diff --git a/DDCMS/CMakeLists.txt b/DDCMS/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f58733264c21c2833fc5cfb041b6aafa00798a2f
--- /dev/null
+++ b/DDCMS/CMakeLists.txt
@@ -0,0 +1,30 @@
+#==========================================================================
+#  AIDA Detector description implementation 
+#--------------------------------------------------------------------------
+# Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
+# All rights reserved.
+#
+# For the licensing terms see $DD4hepINSTALL/LICENSE.
+# For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+#
+#==========================================================================
+#
+# DDCMS is a detector description convention developed by the CMS experiment.
+#
+#=================================================================================
+
+dd4hep_package(    DDCMS
+  USES             DDCore
+  INCLUDE_DIRS     include
+  INSTALL_INCLUDES include/DDCMS)
+
+#
+# We only create only library for DDCMS. The whole package is a single component
+# library. A priory there is no need to seperate the implementation from the
+# plugins....
+#
+# If need arises, this can be changed easily.
+#
+#---DDCMS plugin library -------------------------------------------------------
+dd4hep_add_plugin ( DDCMS SOURCES src/*.cpp src/plugins/*.cpp
+  USES  DDCore DDAlign DDCond )
diff --git a/DDCMS/README.txt b/DDCMS/README.txt
new file mode 100644
index 0000000000000000000000000000000000000000..020398cad9cf0ba80a9821c875dc7d84cc7661ae
--- /dev/null
+++ b/DDCMS/README.txt
@@ -0,0 +1,9 @@
+Package DDCMS
+=============
+
+This is a small test development to demonstrate how to
+convert a small part of the CMS geometry to DD4hep.
+It is by no means complete.
+
+         M.Frank,   September 2017
+         
diff --git a/DDCMS/include/DDCMS/DDCMS.h b/DDCMS/include/DDCMS/DDCMS.h
new file mode 100644
index 0000000000000000000000000000000000000000..5192332eb2705b48b296527a7dee1d897bc17aa2
--- /dev/null
+++ b/DDCMS/include/DDCMS/DDCMS.h
@@ -0,0 +1,154 @@
+//==========================================================================
+//  AIDA Detector description implementation 
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
+// All rights reserved.
+//
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+//
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// DDCMS is a detector description convention developed by the CMS experiment.
+//
+//==========================================================================
+#ifndef DD4HEP_DDCMS_DDCMS_H
+#define DD4HEP_DDCMS_DDCMS_H
+
+// Framework includes
+#include "XML/XML.h"
+#include "DD4hep/DetElement.h"
+#include "DDCMS/DDCMSTags.h"
+
+// C/C++ include files
+#include <map>
+
+/// Namespace for the AIDA detector description toolkit
+namespace dd4hep {
+
+  /// Namespace of DDCMS conversion namespace
+  namespace cms  {
+
+    // Forward declaration
+    class ParsingContext;
+
+    /// XML namespace for the evaluator
+    /*
+     *
+     * \author  M.Frank
+     * \version 1.0
+     * \ingroup DD4HEP_CORE
+     */
+    class Namespace  {
+    public:
+      /// Reference to the global parsing context
+      ParsingContext* context = 0;
+      std::string     name;
+      bool            pop = false;
+    public:
+      /// NO Default constructor
+      Namespace() = delete;
+      /// Initializing constructor
+      Namespace(ParsingContext* ctx, xml_h element);
+      /// Initializing constructor
+      Namespace(ParsingContext* ctx);
+      /// Initializing constructor
+      Namespace(ParsingContext& ctx);
+      /// NO Copy constructor
+      Namespace(const Namespace& copy) = delete;
+      /// Standard destructor (Non virtual!)
+      ~Namespace();
+      /// NO assignment
+      Namespace& operator=(const Namespace& copy) = delete;
+      /// Prepend name with namespace
+      std::string prepend(const std::string& n)  const;
+      /// Resolve namespace during XML parsing
+      std::string real_name(const std::string& v)  const;
+      template <typename T> T attr(xml_elt_t elt,const xml_tag_t& n) const   {
+        std::string val = real_name(elt.attr<std::string>(n));
+        elt.setAttr(n,val);
+        return elt.attr<T>(n);
+      }
+    };
+
+    /// XML parser context to store intermediate stuff
+    /*
+     *
+     * \author  M.Frank
+     * \version 1.0
+     * \ingroup DD4HEP_CORE
+     */
+    class ParsingContext  {
+    public:
+      std::map<std::string, Rotation3D>  rotations;
+      std::map<std::string, Solid>       shapes;
+      std::map<std::string, Volume>      volumes;
+      std::vector<std::string>           namespaces;
+      bool geo_inited = false;
+
+      // Debug flags
+      bool debug_constants    = false;
+      bool debug_materials    = false;
+      bool debug_shapes       = false;
+      bool debug_volumes      = false;
+      bool debug_placements   = false;
+      bool debug_namespaces   = false;
+      bool debug_visattr      = false;
+
+    public:
+      ParsingContext() { namespaces.push_back(""); }
+      ~ParsingContext() = default;
+      const std::string& ns() const  {  return namespaces.back(); }
+      Volume volume(const std::string& name)  const;
+      const Rotation3D& rotation(const std::string& name)  const;
+    };
+
+    /// Encapsulation of the CMS detector description algorithm arguments
+    /*
+     *
+     * \author  M.Frank
+     * \version 1.0
+     * \ingroup DD4HEP_CORE
+     */
+    class AlgoArguments   {
+    protected:
+      /// Access raw argument as a string by name
+      xml_h       raw_arg(const std::string& name)  const;
+      /// Access namespace resolved argument as a string by name
+      std::string resolved_scalar_arg(const std::string& name)  const;
+
+    public:
+      std::string          name;
+      ParsingContext&      context;
+      xml_h                element;
+      
+      /// Initializing constructor
+      AlgoArguments(ParsingContext& ctxt, xml_h algorithm);
+      /// Default constructor
+      AlgoArguments() = delete;
+      /// Copy constructor
+      AlgoArguments(const AlgoArguments& copy) = delete;
+      /// Assignment operator
+      AlgoArguments& operator=(const AlgoArguments& copy) = delete;
+      /// Standatd destructor
+      ~AlgoArguments() = default;
+
+      /// Access value of rParent child node
+      std::string parentName()  const;
+      /// Check the existence of an argument by name
+      bool find(const std::string& name)  const;
+      /// Access typed argument by name
+      template<typename T> T value(const std::string& name)  const;
+    };
+
+    /// Create 3D rotation matrix from angles.
+    Rotation3D make_rotation3D(double thetaX, double phiX,
+                               double thetaY, double phiY,
+                               double thetaZ, double phiZ);
+
+  }   /* End namespace cms      */
+}     /* End namespace dd4hep   */
+
+#endif /* DD4HEP_DDCMS_DDCMS_H  */
diff --git a/DDCMS/include/DDCMS/DDCMSPlugins.h b/DDCMS/include/DDCMS/DDCMSPlugins.h
new file mode 100644
index 0000000000000000000000000000000000000000..4600936be6a0a4c27dbdbf7218d0d00db204f38c
--- /dev/null
+++ b/DDCMS/include/DDCMS/DDCMSPlugins.h
@@ -0,0 +1,61 @@
+//==========================================================================
+//  AIDA Detector description implementation 
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
+// All rights reserved.
+//
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+//
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// DDCMS is a detector description convention developed by the CMS experiment.
+//
+//==========================================================================
+#ifndef DD4HEP_DDCMS_DDCMSPLUGINS_H
+#define DD4HEP_DDCMS_DDCMSPLUGINS_H
+
+// Framework includes
+#include "DD4hep/Plugins.h"
+#include "DDCMS/DDCMS.h"
+
+/// Namespace for the AIDA detector description toolkit
+namespace dd4hep {
+
+  // Forward declarations
+  class SensitiveDetector;
+  
+  /// Standard factory to create Detector elements from an XML representation.
+  /**
+   *  \author  M.Frank
+   *  \version 1.0
+   *  \date    2012/07/31
+   *  \ingroup DD4HEP_CMS
+   */
+  template <typename T> class DDCMSDetElementFactory : public PluginFactoryBase {
+  public:
+    static Handle<NamedObject> create(Detector& description,cms::ParsingContext& ctxt,xml::Handle_t e,SensitiveDetector& sens);
+  };
+}     /* End namespace dd4hep          */
+namespace {
+  /// Forward declartion of the base factory template
+  template <typename P, typename S> class Factory;
+  DD4HEP_PLUGIN_FACTORY_ARGS_4(ns::Named*,dd4hep::Detector*,dd4hep::cms::ParsingContext*,ns::xml_h*,dd4hep::SensitiveDetector*)
+  {    return dd4hep::DDCMSDetElementFactory<P>::create(*a0,*a1,*a2,*a3).ptr();               }
+}
+
+#define DECLARE_DDCMS_DETELEMENT(name,func)                                                   \
+  DD4HEP_OPEN_PLUGIN(dd4hep,ddcms_det_element_##name) {                                       \
+    template <> Handle<NamedObject>                                                           \
+      DDCMSDetElementFactory< ddcms_det_element_##name >::create(dd4hep::Detector& d,         \
+                                                                 cms::ParsingContext& c,      \
+                                                                 xml::Handle_t e,             \
+                                                                 SensitiveDetector& h)        \
+    {  return func(d,c,e,h);       }                                                          \
+    DD4HEP_PLUGINSVC_FACTORY(ddcms_det_element_##name,name,                                   \
+                             NamedObject*(dd4hep::Detector*,dd4hep::cms::ParsingContext*,     \
+                                          ns::xml_h*,dd4hep::SensitiveDetector*),__LINE__)  }
+
+#endif /* DD4HEP_DDCMS_DDCMSPLUGINS_H  */
diff --git a/DDCMS/include/DDCMS/DDCMSTags.h b/DDCMS/include/DDCMS/DDCMSTags.h
new file mode 100644
index 0000000000000000000000000000000000000000..b11ccf673bf414173890826403493ae6c3620be1
--- /dev/null
+++ b/DDCMS/include/DDCMS/DDCMSTags.h
@@ -0,0 +1,122 @@
+//==========================================================================
+//  AIDA Detector description implementation 
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
+// All rights reserved.
+//
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+//
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// DDCMS is a detector description convention developed by the CMS experiment.
+//
+//==========================================================================
+
+// Framework includes
+#ifndef DD4HEP_DDCMS_DDCMSTAGS_H
+#define DD4HEP_DDCMS_DDCMSTAGS_H
+
+// Framework include files
+#include "XML/XMLElements.h"
+#ifndef UNICODE 
+#define UNICODE(x)  extern const ::dd4hep::xml::Tag_t Unicode_##x 
+#endif
+
+/// Namespace for the AIDA detector description toolkit
+namespace dd4hep {
+
+  /// Namespace of DDCMS conversion namespace
+  namespace DDCMS  {
+    UNICODE(DDCMS);
+
+    UNICODE(DDDefinition);
+
+    UNICODE(ConstantsSection);
+    UNICODE(Constant);
+    
+    UNICODE(MaterialSection);
+    UNICODE(ElementaryMaterial);
+    UNICODE(CompositeMaterial);
+    UNICODE(atomicWeight);
+    UNICODE(density);
+    UNICODE(symbol);
+    UNICODE(atomicNumber);
+    UNICODE(MaterialFraction);
+
+
+    UNICODE(RotationSection);
+    UNICODE(Rotation);
+    UNICODE(rRotation);
+    UNICODE(thetaX);
+    UNICODE(phiX);
+    UNICODE(thetaY);
+    UNICODE(phiY);
+    UNICODE(thetaZ);
+    UNICODE(phiZ);
+
+    UNICODE(TransformationSection);
+    UNICODE(Transformation);
+
+    UNICODE(SolidSection);
+
+    UNICODE(Box);
+    UNICODE(dx);
+    UNICODE(dy);
+    UNICODE(dz);
+
+    UNICODE(Tubs);
+    UNICODE(rMin);
+    UNICODE(rMax);
+    UNICODE(startPhi);
+    UNICODE(deltaPhi);
+    
+    UNICODE(Polycone);
+    UNICODE(ZSection);
+    UNICODE(z);
+    
+    UNICODE(LogicalPartSection);
+    UNICODE(LogicalPart);
+    UNICODE(rSolid);
+    UNICODE(rMaterial);
+    
+    UNICODE(PosPartSection);
+    UNICODE(PosPart);
+    UNICODE(copyNumber);
+    UNICODE(rParent);
+    UNICODE(rChild);
+    UNICODE(Translation);
+
+    UNICODE(Algorithm);
+    UNICODE(String);
+    UNICODE(Numeric);
+    UNICODE(Vector);
+    UNICODE(nEntries);
+
+    UNICODE(VisSection);
+    UNICODE(vis);
+    
+    /// Debug flags
+    UNICODE(debug_constants);
+    UNICODE(debug_materials);
+    UNICODE(debug_shapes);
+    UNICODE(debug_volumes);
+    UNICODE(debug_placements);
+    UNICODE(debug_namespaces);
+    UNICODE(debug_visattr);
+
+    /// DD4hep specific
+    UNICODE(IncludeSection);
+    UNICODE(Include);
+    
+  }   /* End namespace DDCMS       */
+}     /* End namespace dd4hep     */
+
+#undef UNICODE // Do not miss this one!
+#include "XML/XMLTags.h"
+
+#define _CMU(a) ::dd4hep::DDCMS::Unicode_##a
+
+#endif /* DD4HEP_DDCMS_DDCMSTAGS_H  */
diff --git a/DDCMS/src/DDCMS.cpp b/DDCMS/src/DDCMS.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c7f6a22643eefb3d63466c6c1fb21ae696dc969c
--- /dev/null
+++ b/DDCMS/src/DDCMS.cpp
@@ -0,0 +1,261 @@
+//==========================================================================
+//  AIDA Detector description implementation 
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
+// All rights reserved.
+//
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+//
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// DDCMS is a detector description convention developed by the CMS experiment.
+//
+//==========================================================================
+
+// Framework includes
+#include "DD4hep/Printout.h"
+#include "DD4hep/BasicGrammar.h"
+#include "DDCMS/DDCMS.h"
+
+// C/C++ include files
+#include <stdexcept>
+
+using namespace std;
+using namespace dd4hep;
+using namespace dd4hep::cms;
+
+Rotation3D dd4hep::cms::make_rotation3D(double thetaX, double phiX,
+                                          double thetaY, double phiY,
+                                          double thetaZ, double phiZ)   {
+  Position  posX(sin(thetaX) * cos(phiX), sin(thetaX) * sin(phiX), cos(thetaX));
+  Position  posY(sin(thetaY) * cos(phiY), sin(thetaY) * sin(phiY), cos(thetaY));
+  Position  posZ(sin(thetaZ) * cos(phiZ), sin(thetaZ) * sin(phiZ), cos(thetaZ));
+  Rotation3D rot(posX,posY,posZ);
+  return rot;
+}
+
+Volume ParsingContext::volume(const std::string& name)  const   {
+  auto i = volumes.find(name);
+  if ( i != volumes.end() ) return (*i).second;
+  throw runtime_error("Unknown volume identifier:"+name);
+}
+
+const Rotation3D& ParsingContext::rotation(const std::string& name)  const   {
+  static Rotation3D s_null;
+  auto i = rotations.find(name);
+  if ( i != rotations.end() ) return (*i).second;
+  if ( name.find("_NULL") == name.length()-5 ) return s_null;
+  throw runtime_error("Unknown rotation identifier:"+name);
+}
+
+/// Initializing constructor
+Namespace::Namespace(ParsingContext* ctx, xml_h element) : context(ctx)  {
+  xml_dim_t elt(element);
+  bool has_label = elt.hasAttr(_U(label));
+  name = has_label ? elt.labelStr() : "";
+  if ( !has_label )  {
+    if ( !context->namespaces.empty() )  {
+      name = context->namespaces.back();
+    }
+    printout(context->debug_namespaces ? ALWAYS : DEBUG,
+             "DDCMS","+++ Current namespace is now: %s",name.c_str());
+    return;
+  }
+  name = name.substr(0,name.find('.'));
+  context->namespaces.push_back(name.empty() ? name : name+'_');
+  pop = true;
+  printout(context->debug_namespaces ? ALWAYS : DEBUG,
+           "DDCMS","+++ Current namespace is now: %s",name.c_str());
+}
+
+/// Initializing constructor
+Namespace::Namespace(ParsingContext* ctx) : context(ctx)  {
+  name = context->namespaces.back();
+}
+
+/// Initializing constructor
+Namespace::Namespace(ParsingContext& ctx) : context(&ctx)  {
+  name = context->namespaces.back();
+}
+
+/// Standard destructor (Non virtual!)
+Namespace::~Namespace()   {
+  if ( pop )  {
+    context->namespaces.pop_back();
+    printout(context->debug_namespaces ? ALWAYS : DEBUG,
+             "DDCMS","+++ Current namespace is now: %s",context->ns().c_str());
+  }
+}
+
+/// Prepend name with namespace
+std::string Namespace::prepend(const std::string& n)  const   {
+  return name + n;
+}
+
+/// Resolve namespace during XML parsing
+std::string Namespace::real_name(const std::string& v)  const  {
+  size_t idx, idq, idp;
+  string val = v;
+  while ( (idx=val.find('[')) != string::npos )  {
+    val.erase(idx,1);
+    idp = val.find(':');
+    idq = val.find(']');
+    val.erase(idq,1);
+    if ( idp == string::npos || idp > idq )
+      val.insert(idx,name);
+    else if ( idp != string::npos && idp < idq )
+      val[idp] = '_';
+  }
+  while ( (idx=val.find(':')) != string::npos ) val[idx]='_';
+  return val;
+}
+
+
+AlgoArguments::AlgoArguments(ParsingContext& ctxt, xml_h elt)
+  : context(ctxt), element(elt)
+{
+  name = xml_dim_t(element).nameStr();
+}
+
+/// Access value of rParent child node
+std::string AlgoArguments::parentName()  const    {
+  Namespace     ns(context);
+  xml_dim_t e(element);
+  string val = ns.real_name(xml_dim_t(e.child(_CMU(rParent))).nameStr());
+  return val;
+}
+
+/// Check the existence of an argument by name
+bool AlgoArguments::find(const std::string& nam)  const   {
+  for(xml_coll_t p(element,_U(star)); p; ++p)  {
+    string n = p.attr<string>(_U(name));
+    if ( n == nam )  {
+      return true;
+    }
+  }
+  return false;
+}
+
+/// Access raw argument as a string by name
+xml_h AlgoArguments::raw_arg(const string& nam)  const   {
+  for(xml_coll_t p(element,_U(star)); p; ++p)  {
+    string n = p.attr<string>(_U(name));
+    if ( n == nam )  {
+      return p;
+    }
+  }
+  throw runtime_error("DDCMS: Attempt to access non-existing algorithm option: " + name);
+}
+
+/// Access namespace resolved argument as a string by name
+string AlgoArguments::resolved_scalar_arg(const string& nam)  const   {
+  Namespace ns(context);
+  xml_h  arg = raw_arg(nam);
+  string val = arg.attr<string>(_U(value));
+  return ns.real_name(val);
+}
+
+namespace {
+
+  /// Access of raw strings as vector by argument name
+  vector<string> raw_vector(const AlgoArguments* a, xml_h arg)   {
+    xml_dim_t xp(arg);
+    vector<string> data;
+    Namespace ns(a->context);
+    string val = xp.text();
+    string nam = xp.nameStr();
+    string typ = xp.typeStr();
+    int    num = xp.attr<int>(_CMU(nEntries));
+    const BasicGrammar& gr = BasicGrammar::instance<vector<string> >();
+
+    val = '['+ns.real_name(val)+']';
+    val = remove_whitespace(val);
+    int res = gr.fromString(&data,val);
+    if ( !res )  {
+      except("DDCMS","+++ VectorParam<%s>: %s -> %s [Invalid conversion:%d]",
+             typ.c_str(), nam.c_str(), val.c_str(), res);
+    }
+    else if ( num != (int)data.size() )  {
+      except("DDCMS","+++ VectorParam<%s>: %s -> %s [Invalid entry count: %d <> %ld]",
+             typ.c_str(), nam.c_str(), val.c_str(), num, data.size());
+    }
+    printout(INFO,"DDCMS","+++ VectorParam<%s>: ret=%d %s -> %s",
+             typ.c_str(), res, nam.c_str(), gr.str(&data).c_str());
+    return data;
+  }
+
+
+  template <typename T> T __cnv(const string&)       { return 0;}
+  template <> double __cnv<double>(const string& arg)   { return _toDouble(arg); }
+  template <> float  __cnv<float> (const string& arg)   { return _toFloat(arg); }
+  template <> long   __cnv<long>  (const string& arg)   { return _toLong(arg); }
+  template <> int    __cnv<int>   (const string& arg)   { return _toInt(arg);  }
+  template <> string __cnv<string>(const string& arg)   { return arg;  }
+
+  template <typename T> vector<T> __cnvVect(const AlgoArguments* a, const char* req_typ, xml_h xp)   {
+    vector<string> str_data = raw_vector(a, xp);
+    string typ = xp.attr<string>(_U(type));
+    if ( typ != req_typ )   {
+      string nam = xp.attr<string>(_U(name));
+      const BasicGrammar& gr = BasicGrammar::instance<vector<string> >();
+      except("DDCMS",
+             "+++ VectorParam<%s | %s>: %s -> <%s> %s [Incompatible vector-type]",
+             req_typ, typ.c_str(), nam.c_str(), typeName(typeid(T)).c_str(),
+             gr.str(&str_data).c_str());
+    }
+    vector<T> res_data;
+    for(const auto& v : str_data)  {
+      T d = __cnv<T>(v);
+      res_data.push_back(d);
+    }
+    return res_data;
+  }
+}
+
+/// Namespace for the AIDA detector description toolkit
+namespace dd4hep {
+
+  /// Namespace of DDCMS conversion namespace
+  namespace cms  {
+
+    /// Access typed argument by name
+    template<typename T> T AlgoArguments::value(const string& nam)  const   {
+      return __cnv<T>(resolved_scalar_arg(nam));
+    }
+
+    template double AlgoArguments::value<double>(const string& nam)  const;
+    template float  AlgoArguments::value<float>(const string& nam)  const;
+    template long   AlgoArguments::value<long>(const string& nam)  const;
+    template int    AlgoArguments::value<int>(const string& nam)  const;
+    template string AlgoArguments::value<string>(const string& nam)  const;
+
+    /// Access typed vector<string> argument by name
+    template<> vector<string> AlgoArguments::value<vector<string> >(const string& nam)  const   {
+      xml_h xp = raw_arg(nam);
+      return raw_vector(this,xp);    
+    }
+
+    /// Access typed vector<double> argument by name
+    template<> vector<double> AlgoArguments::value<vector<double> >(const string& nam)  const   {
+      return __cnvVect<double>(this,"numeric",raw_arg(nam));
+    }
+
+    /// Access typed vector<float> argument by name
+    template<> vector<float> AlgoArguments::value<vector<float> >(const string& nam)  const   {
+      return __cnvVect<float>(this,"numeric",raw_arg(nam));
+    }
+
+    /// Access typed vector<long> argument by name
+    template<> vector<long> AlgoArguments::value<vector<long> >(const string& nam)  const   {
+      return __cnvVect<long>(this,"numeric",raw_arg(nam));
+    }
+
+    /// Access typed vector<int> argument by name
+    template<> vector<int> AlgoArguments::value<vector<int> >(const string& nam)  const   {
+      return __cnvVect<int>(this,"numeric",raw_arg(nam));
+    }
+  }
+}
diff --git a/DDCMS/src/DDCMSTags.cpp b/DDCMS/src/DDCMSTags.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..0a47c5446e9fb05a1d0304cfa6e52e3ed34ae0e4
--- /dev/null
+++ b/DDCMS/src/DDCMSTags.cpp
@@ -0,0 +1,23 @@
+//==========================================================================
+//  AIDA Detector description implementation 
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
+// All rights reserved.
+//
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+//
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// DDCMS is a detector description convention developed by the CMS experiment.
+//
+//==========================================================================
+
+// Framework include files
+#include "XML/XMLTags.h"
+
+// Define unicode tags
+#define UNICODE(x)  extern const ::dd4hep::xml::Tag_t Unicode_##x ( #x )
+#include "DDCMS/DDCMSTags.h"
diff --git a/DDCMS/src/plugins/DDDefinitions2Objects.cpp b/DDCMS/src/plugins/DDDefinitions2Objects.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..16482c5de5b6ade78fe9f53125ba3815d20aeacf
--- /dev/null
+++ b/DDCMS/src/plugins/DDDefinitions2Objects.cpp
@@ -0,0 +1,620 @@
+//==========================================================================
+//  AIDA Detector description implementation 
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
+// All rights reserved.
+//
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+//
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// DDCMS is a detector description convention developed by the CMS experiment.
+//
+//==========================================================================
+
+// Framework includes
+#include "DD4hep/DetFactoryHelper.h"
+#include "DD4hep/DD4hepUnits.h"
+#include "DD4hep/GeoHandler.h"
+#include "DD4hep/Printout.h"
+#include "DD4hep/Plugins.h"
+#include "DD4hep/Path.h"
+#include "DD4hep/detail/SegmentationsInterna.h"
+#include "DD4hep/detail/DetectorInterna.h"
+#include "DD4hep/detail/ObjectsInterna.h"
+
+#include "XML/Utilities.h"
+#include "DDCMS/DDCMS.h"
+
+// Root/TGeo include files
+#include "TGeoManager.h"
+#include "TGeoMaterial.h"
+
+// C/C++ include files
+#include <climits>
+#include <iostream>
+#include <iomanip>
+#include <set>
+#include <map>
+
+using namespace std;
+using namespace dd4hep;
+using namespace dd4hep::cms;
+
+/// Namespace for the AIDA detector description toolkit
+namespace dd4hep {
+
+  namespace {
+
+    static UInt_t unique_mat_id = 0xAFFEFEED;
+
+    class dddefinition;
+    class include;
+    class constantssection;
+    class constant;
+
+    class materialsection;
+    class elementarymaterial;
+    class compositematerial;
+  
+    class rotationsection;
+    class rotation;
+
+    class pospartsection;
+    class pospart;
+
+    class logicalpartsection;
+    class logicalpart;
+
+    class solidsection;
+    class tubs;
+    class polycone;
+    class box;
+    class algorithm;    
+
+    class vissection;
+    class vis_apply;
+    class vis;
+    class debug;
+  }
+
+  /// Converter instances implemented in this compilation unit
+  template <> void Converter<dddefinition>::operator()(xml_h element) const;
+  template <> void Converter<debug>::operator()(xml_h element) const;
+
+  template <> void Converter<constantssection>::operator()(xml_h element) const;
+  template <> void Converter<constant>::operator()(xml_h element) const;
+
+  template <> void Converter<vissection>::operator()(xml_h element) const;
+  template <> void Converter<vis_apply>::operator()(xml_h element) const;
+  template <> void Converter<vis>::operator()(xml_h element) const;
+
+  template <> void Converter<materialsection>::operator()(xml_h element) const;
+  template <> void Converter<elementarymaterial>::operator()(xml_h element) const;
+  template <> void Converter<compositematerial>::operator()(xml_h element) const;
+
+  template <> void Converter<rotationsection>::operator()(xml_h element) const;
+  template <> void Converter<rotation>::operator()(xml_h element) const;
+
+  template <> void Converter<logicalpartsection>::operator()(xml_h element) const;
+  template <> void Converter<logicalpart>::operator()(xml_h element) const;
+
+  template <> void Converter<pospartsection>::operator()(xml_h element) const;
+  template <> void Converter<pospart>::operator()(xml_h element) const;
+
+  template <> void Converter<solidsection>::operator()(xml_h element) const;
+  template <> void Converter<polycone>::operator()(xml_h element) const;
+  template <> void Converter<tubs>::operator()(xml_h element) const;
+  template <> void Converter<box>::operator()(xml_h element) const;
+
+  template <> void Converter<algorithm>::operator()(xml_h element) const;
+
+  /// DD4hep specific
+  template <> void Converter<include>::operator()(xml_h element) const;
+}
+
+/// Converter for <ConstantsSection/> tags
+template <> void Converter<constantssection>::operator()(xml_h element) const  {
+  ParsingContext* context = _param<ParsingContext>();
+  Namespace ns(context, element);
+  xml_coll_t(element, _CMU(Constant)).for_each(Converter<constant>(description,context));
+}
+
+/// Converter for <VisSection/> tags
+template <> void Converter<vissection>::operator()(xml_h element) const  {
+  ParsingContext* context = _param<ParsingContext>();
+  Namespace ns(context, element);
+  xml_coll_t(element, _CMU(vis)).for_each(Converter<vis>(description,context));
+}
+
+template <> void Converter<materialsection>::operator()(xml_h element) const   {
+  ParsingContext* context = _param<ParsingContext>();
+  Namespace ns(context, element);
+  xml_coll_t(element, _CMU(ElementaryMaterial)).for_each(Converter<elementarymaterial>(description,context));
+  xml_coll_t(element, _CMU(CompositeMaterial)).for_each(Converter<compositematerial>(description,context));
+}
+
+template <> void Converter<rotationsection>::operator()(xml_h element) const   {
+  Namespace ns(_param<ParsingContext>(), element);
+  xml_coll_t(element, _CMU(Rotation)).for_each(Converter<rotation>(description,ns.context));
+}
+
+template <> void Converter<pospartsection>::operator()(xml_h element) const   {
+  Namespace ns(_param<ParsingContext>(), element);
+  xml_coll_t(element, _CMU(PosPart)).for_each(Converter<pospart>(description,ns.context));
+}
+
+template <> void Converter<logicalpartsection>::operator()(xml_h element) const   {
+  Namespace ns(_param<ParsingContext>(), element);
+  xml_coll_t(element, _CMU(LogicalPart)).for_each(Converter<logicalpart>(description,ns.context));
+}
+
+template <> void Converter<solidsection>::operator()(xml_h element) const   {
+  Namespace ns(_param<ParsingContext>(), element);
+  for(xml_coll_t solid(element, _U(star)); solid; ++solid)   {
+    string tag = solid.tag();
+    if ( tag == "Box" )
+      Converter<box>(description,ns.context)(solid);
+    else if ( tag == "Polycone" )
+      Converter<polycone>(description,ns.context)(solid);
+    else if ( tag == "Tubs" )
+      Converter<tubs>(description,ns.context)(solid);
+    else
+      printout(ERROR,"DDCMS","+++ Request to process unknown shape of type %s",tag.c_str());
+  }
+}
+
+/// Converter for <Constant/> tags
+template <> void Converter<constant>::operator()(xml_h element) const  {
+  Namespace ns(_param<ParsingContext>());
+  xml_dim_t constant(element);
+  xml_dim_t parent(constant.parent());
+  bool      eval = parent.hasAttr(_U(eval)) ? parent.attr<bool>(_U(eval)) : false;
+  string    val   = "";//ns.real_name(constant.attr<string>(_U(value)));
+  string    nam   = ns.prepend(constant.nameStr());
+  string    typ   = eval ? "number" : "string";
+
+  if ( constant.hasAttr(_U(type)) ) typ = constant.typeStr();
+  if ( nam == "pixbarladderfull_CFStripY" )   { // debugging
+    val = ns.real_name(constant.attr<string>(_U(value)));
+  }
+  else {
+    val = ns.real_name(constant.attr<string>(_U(value)));
+  }
+  printout(ns.context->debug_constants ? ALWAYS : DEBUG,
+           "DDCMS","+++ Add constant object: %s = %s [type:%s]",
+           nam.c_str(), val.c_str(), typ.c_str());
+  Constant c(nam, val, typ);
+  _toDictionary(nam, val, typ);
+  description.addConstant(c);
+}
+
+/** Convert compact visualization attribute to Detector visualization attribute
+ *
+ *  <vis name="SiVertexBarrelModuleVis"
+ *       alpha="1.0" r="1.0" g="0.75" b="0.76"
+ *       drawingStyle="wireframe"
+ *       showDaughters="false"
+ *       visible="true"/>
+ */
+template <> void Converter<vis>::operator()(xml_h e) const {
+  Namespace ns(_param<ParsingContext>());
+  VisAttr attr(e.attr<string>(_U(name)));
+  float red   = e.hasAttr(_U(r)) ? e.attr<float>(_U(r)) : 1.0f;
+  float green = e.hasAttr(_U(g)) ? e.attr<float>(_U(g)) : 1.0f;
+  float blue  = e.hasAttr(_U(b)) ? e.attr<float>(_U(b)) : 1.0f;
+
+  printout(ns.context->debug_visattr ? ALWAYS : DEBUG, "Compact",
+           "++ Converting VisAttr  structure: %-16s. R=%.3f G=%.3f B=%.3f",
+           attr.name(), red, green, blue);
+  attr.setColor(red, green, blue);
+  if (e.hasAttr(_U(alpha)))
+    attr.setAlpha(e.attr<float>(_U(alpha)));
+  if (e.hasAttr(_U(visible)))
+    attr.setVisible(e.attr<bool>(_U(visible)));
+  if (e.hasAttr(_U(lineStyle))) {
+    string ls = e.attr<string>(_U(lineStyle));
+    if (ls == "unbroken")
+      attr.setLineStyle(VisAttr::SOLID);
+    else if (ls == "broken")
+      attr.setLineStyle(VisAttr::DASHED);
+  }
+  else {
+    attr.setLineStyle(VisAttr::SOLID);
+  }
+  if (e.hasAttr(_U(drawingStyle))) {
+    string ds = e.attr<string>(_U(drawingStyle));
+    if (ds == "wireframe")
+      attr.setDrawingStyle(VisAttr::WIREFRAME);
+    else if (ds == "solid")
+      attr.setDrawingStyle(VisAttr::SOLID);
+  }
+  else {
+    attr.setDrawingStyle(VisAttr::SOLID);
+  }
+  if (e.hasAttr(_U(showDaughters)))
+    attr.setShowDaughters(e.attr<bool>(_U(showDaughters)));
+  else
+    attr.setShowDaughters(true);
+  description.addVisAttribute(attr);
+}
+
+/// Converter for <ElementaryMaterial/> tags
+template <> void Converter<elementarymaterial>::operator()(xml_h element) const   {
+  Namespace     ns(_param<ParsingContext>());
+  xml_dim_t     xmat(element);
+  string        nam = ns.prepend(xmat.nameStr());
+  TGeoManager&  mgr = description.manager();
+  TGeoMaterial* mat = mgr.GetMaterial(nam.c_str());
+  if ( 0 == mat )   {
+    const char* matname = nam.c_str();
+    double density      = xmat.density();
+    //double atomicWeight = xmat.attr<double>(_CMU(atomicWeight));
+    double atomicNumber = xmat.attr<double>(_CMU(atomicNumber));
+    TGeoElementTable* tab = mgr.GetElementTable();
+    TGeoMixture*      mix = new TGeoMixture(nam.c_str(), 1, density);
+    TGeoElement*      elt = tab->FindElement(xmat.nameStr().c_str());
+
+    printout(ns.context->debug_materials ? ALWAYS : DEBUG, "DDCMS",
+             "++ Converting material %-48s  Density: %.3f.",
+             ('"'+nam+'"').c_str(), density);
+
+    if ( !elt )  {
+      printout(WARNING,"DDCMS",
+               "+++ Converter<ElementaryMaterial> No element present with name:%s  [FAKE IT]",
+               matname);
+      int n = int(atomicNumber/2e0);
+      if ( n < 2 ) n = 2;
+      elt = new TGeoElement(xmat.nameStr().c_str(),"CMS element",n,atomicNumber);
+      //return;
+    }
+    if ( elt->Z() == 0 )   {
+      int n = int(atomicNumber/2e0);
+      if ( n < 2 ) n = 2;
+      elt = new TGeoElement((xmat.nameStr()+"-CMS").c_str(),"CMS element",n,atomicNumber);
+    }
+    mix->AddElement(elt, 1.0);
+    mix->SetRadLen(0e0);
+    /// Create medium from the material
+    TGeoMedium* medium = mgr.GetMedium(matname);
+    if (0 == medium) {
+      --unique_mat_id;
+      medium = new TGeoMedium(matname, unique_mat_id, mix);
+      medium->SetTitle("material");
+      medium->SetUniqueID(unique_mat_id);
+    }
+  }
+}
+
+/// Converter for <CompositeMaterial/> tags
+template <> void Converter<compositematerial>::operator()(xml_h element) const   {
+  Namespace     ns(_param<ParsingContext>());
+  xml_dim_t     xmat(element);
+  string        nam = ns.prepend(xmat.nameStr());
+  TGeoManager&  mgr = description.manager();
+  TGeoMaterial* mat = mgr.GetMaterial(nam.c_str());
+  if ( 0 == mat )   {
+    const char*  matname = nam.c_str();
+    double       density = xmat.density();
+    xml_coll_t   composites(xmat,_CMU(MaterialFraction));
+    TGeoMixture* mix = new TGeoMixture(nam.c_str(), composites.size(), density);
+
+    printout(ns.context->debug_materials ? ALWAYS : DEBUG, "DDCMS",
+             "++ Converting material %-48s  Density: %.3f.",
+             ('"'+nam+'"').c_str(), density);
+    
+    for (composites.reset(); composites; ++composites)   {
+      xml_dim_t xfrac(composites);
+      xml_dim_t xfrac_mat(xfrac.child(_CMU(rMaterial)));
+      double    fraction = xfrac.fraction();
+      string    fracname = ns.real_name(xfrac_mat.nameStr());
+
+      TGeoMaterial* frac_mat = mgr.GetMaterial(fracname.c_str());
+      if ( frac_mat )  {
+        mix->AddElement(frac_mat, fraction);
+        continue;
+      }
+      printout(WARNING,"DDCMS","+++ Composite material \"%s\" not present!",
+               fracname.c_str());
+    }
+    mix->SetRadLen(0e0);
+    /// Create medium from the material
+    TGeoMedium* medium = mgr.GetMedium(matname);
+    if (0 == medium) {
+      --unique_mat_id;
+      medium = new TGeoMedium(matname, unique_mat_id, mix);
+      medium->SetTitle("material");
+      medium->SetUniqueID(unique_mat_id);
+    }
+  }
+}
+
+/// Converter for <Rotation/> tags
+template <> void Converter<rotation>::operator()(xml_h element) const  {
+  ParsingContext* ctx = _param<ParsingContext>();
+  Namespace ns(ctx);
+  xml_dim_t xrot(element);
+  string    nam = ns.prepend(xrot.nameStr());
+  double    thetaX = xrot.hasAttr(_CMU(thetaX)) ? xrot.attr<double>(_CMU(thetaX)) : 0e0;
+  double    phiX   = xrot.hasAttr(_CMU(phiX))   ? xrot.attr<double>(_CMU(phiX))   : 0e0;
+  double    thetaY = xrot.hasAttr(_CMU(thetaY)) ? xrot.attr<double>(_CMU(thetaY)) : 0e0;
+  double    phiY   = xrot.hasAttr(_CMU(phiY))   ? xrot.attr<double>(_CMU(phiY))   : 0e0;
+  double    thetaZ = xrot.hasAttr(_CMU(thetaZ)) ? xrot.attr<double>(_CMU(thetaZ)) : 0e0;
+  double    phiZ   = xrot.hasAttr(_CMU(phiZ))   ? xrot.attr<double>(_CMU(phiZ))   : 0e0;
+  
+  Rotation3D rot = make_rotation3D(thetaX, phiX, thetaY, phiY, thetaZ, phiZ);
+  ctx->rotations[nam] = rot;
+}
+
+/// Converter for <Rotation/> tags
+template <> void Converter<logicalpart>::operator()(xml_h element) const {
+  Namespace ns(_param<ParsingContext>());
+  xml_dim_t e(element);
+  string    sol_nam  = xml_dim_t(e.child(_CMU(rSolid))).nameStr();
+  string    mat_nam  = xml_dim_t(e.child(_CMU(rMaterial))).nameStr();
+  Material  material = description.material(ns.real_name(mat_nam));
+  Solid     solid    = ns.context->shapes[sol_nam];
+  Volume    volume(ns.prepend(e.nameStr()), solid, material);
+
+  printout(ns.context->debug_volumes ? ALWAYS : DEBUG, "DDCMS",
+           "+++ Volume:%-24s Solid:%-24s [%-24s] Material:%s",
+           volume.name(), solid.name(), solid.type(), material.name());
+  
+  ns.context->volumes[volume.name()] = volume;
+}
+
+/// Converter for <Rotation/> tags
+template <> void Converter<pospart>::operator()(xml_h element) const {
+  Namespace ns(_param<ParsingContext>());
+  xml_dim_t e(element);
+  int    copy   = e.attr<int>(_CMU(copyNumber));
+  string parent_nam = ns.real_name(xml_dim_t(e.child(_CMU(rParent))).nameStr());
+  string child_nam  = ns.real_name(xml_dim_t(e.child(_CMU(rChild))).nameStr());
+  Volume parent = ns.context->volumes[parent_nam];
+  Volume child  = ns.context->volumes[child_nam];
+  xml_dim_t translation(e.child(_CMU(Translation),false));
+  xml_dim_t rotation(e.child(_CMU(Rotation),false));
+  xml_dim_t refRotation(e.child(_CMU(rRotation),false));
+  Position    pos;
+  RotationZYX rot;
+
+  printout(ns.context->debug_placements ? ALWAYS : DEBUG, "DDCMS",
+           "+++ %s Parent: %-24s [%s] Child: %-32s [%s] copy:%d",
+           e.tag().c_str(),
+           parent_nam.c_str(), parent.isValid() ? "VALID" : "INVALID",
+           child_nam.c_str(),  child.isValid()  ? "VALID" : "INVALID",
+           copy);
+  if ( translation.ptr() )   {
+    double x  = ns.attr<double>(translation,_U(x));
+    double y  = ns.attr<double>(translation,_U(y));
+    double z  = ns.attr<double>(translation,_U(z));
+    pos = Position(x,y,z);
+  }
+  if ( rotation.ptr() )   {
+    double x  = ns.attr<double>(rotation,_U(x));
+    double y  = ns.attr<double>(rotation,_U(y));
+    double z  = ns.attr<double>(rotation,_U(z));
+    rot = RotationZYX(z,y,x);
+  }
+  PlacedVolume pv;
+  if ( child.isValid() )  {
+    if ( !translation.ptr() && !rotation.ptr() )
+      pv = parent.placeVolume(child);
+    else if ( translation.ptr() && !rotation.ptr() )
+      pv = parent.placeVolume(child,pos);
+    else if ( !translation.ptr() && rotation.ptr() )
+      pv = parent.placeVolume(child,rot);
+    else  {
+      Transform3D trafo(rot,pos);
+      pv = parent.placeVolume(child,rot);
+    }
+  }
+  if ( !pv.isValid() )   {
+    printout(ERROR,"DDCMS","+++ Placement FAILED!");
+  }
+}
+
+/// Converter for <Polycone/> tags
+template <> void Converter<polycone>::operator()(xml_h element) const {
+  Namespace ns(_param<ParsingContext>());
+  xml_dim_t e(element);
+  string nam = e.nameStr();
+  double startPhi = ns.attr<double>(e,_CMU(startPhi));
+  double deltaPhi = ns.attr<double>(e,_CMU(deltaPhi));
+  vector<double> z, rmin, rmax;
+  
+  for(xml_coll_t zplane(element, _CMU(ZSection)); zplane; ++zplane)   {
+    rmin.push_back(ns.attr<double>(zplane,_CMU(rMin)));
+    rmax.push_back(ns.attr<double>(zplane,_CMU(rMax)));
+    z.push_back(ns.attr<double>(zplane,_CMU(z)));
+  }
+  printout(ns.context->debug_shapes ? ALWAYS : DEBUG, "DDCMS",
+           "+++ Processing shape of type %s : %s",e.tag().c_str(), nam.c_str());
+  printout(ns.context->debug_shapes ? ALWAYS : DEBUG, "DDCMS",
+           "+++    startPhi=%10.3f [rad] deltaPhi=%10.3f [rad]  %4ld z-planes",
+           startPhi, deltaPhi, z.size());
+  Polycone pc(startPhi,deltaPhi,rmin,rmax,z);
+  ns.context->shapes[nam] = pc.setName(nam);
+}
+
+/// Converter for <Tubs/> tags
+template <> void Converter<tubs>::operator()(xml_h element) const {
+  Namespace ns(_param<ParsingContext>());
+  xml_dim_t e(element);
+  string nam  = e.nameStr();
+  double dz   = ns.attr<double>(e,_CMU(dz));
+  double rmin = ns.attr<double>(e,_CMU(rMin));
+  double rmax = ns.attr<double>(e,_CMU(rMax));
+  double startPhi = ns.attr<double>(e,_CMU(startPhi));
+  double deltaPhi = ns.attr<double>(e,_CMU(deltaPhi));
+
+  printout(ns.context->debug_shapes ? ALWAYS : DEBUG, "DDCMS",
+           "+++ Processing shape of type %s : %s",e.tag().c_str(), nam.c_str());
+  printout(ns.context->debug_shapes ? ALWAYS : DEBUG, "DDCMS",
+           "+++    dz=%10.3f [cm] rmin=%10.3f [cm] rmax=%10.3f [cm]"
+           " startPhi=%10.3f [rad] deltaPhi=%10.3f [rad]", dz, rmin, rmax, startPhi, deltaPhi);
+
+  Tube tube(rmin,rmax,dz,startPhi,deltaPhi);
+  ns.context->shapes[nam] = tube.setName(nam);
+}
+
+/// Converter for <Box/> tags
+template <> void Converter<box>::operator()(xml_h element) const {
+  Namespace ns(_param<ParsingContext>());
+  xml_dim_t e(element);
+  string nam = e.nameStr();
+  double dx  = ns.attr<double>(e,_CMU(dx));
+  double dy  = ns.attr<double>(e,_CMU(dy));
+  double dz  = ns.attr<double>(e,_CMU(dz));
+
+  printout(ns.context->debug_shapes ? ALWAYS : DEBUG, "DDCMS",
+           "+++ Processing shape of type %s : %s",e.tag().c_str(), nam.c_str());
+  printout(ns.context->debug_shapes ? ALWAYS : DEBUG, "DDCMS",
+           "+++    dx=%10.3f [cm] dy=%10.3f [cm] dz=%10.3f [cm]", dx, dy, dz);
+  Box box(dx,dy,dz);
+  ns.context->shapes[nam] = box.setName(nam);
+}
+
+/// DD4hep specific Converter for <Include/> tags
+template <> void Converter<include>::operator()(xml_h element) const   {
+  xml::DocumentHolder doc(xml::DocumentHandler().load(element, element.attr_value(_U(ref))));
+  xml_h  node = doc.root();
+  Converter<dddefinition>(description,_param<ParsingContext>())(node);
+}
+
+/// Converter for <Algorithm/> tags
+template <> void Converter<algorithm>::operator()(xml_h element) const  {
+  Namespace ns(_param<ParsingContext>());
+  xml_dim_t e(element);
+  string name = e.nameStr();
+  try {
+    SensitiveDetector sd;
+    Segmentation      seg;
+    string type = ns.real_name(e.nameStr());
+
+    // SensitiveDetector and Segmentation currently are undefined. Let's keep it like this
+    // until we found something better.....
+
+    DetElement det(PluginService::Create<NamedObject*>(type, &description, ns.context, &element, &sd));
+    if (det.isValid()) {
+      // setChildTitles(make_pair(name, det));
+      if ( sd.isValid() )  {
+        det->flag |= DetElement::Object::HAVE_SENSITIVE_DETECTOR;
+      }
+      if ( seg.isValid() )  {
+        seg->sensitive = sd;
+        seg->detector  = det;
+      }
+    }
+#if 0
+    if (!det.isValid()) {
+      PluginDebug dbg;
+      PluginService::Create<NamedObject*>(type, &description, ns.context, &element, &sd);
+      except("DDCMS","Failed to execute subdetector creation plugin. " + dbg.missingFactory(type));
+    }
+#endif
+    ///description.addDetector(det);
+    printout(ERROR, "DDCMS", "++ FAILED  NOT ADDING SUBDETECTOR %s", name.c_str());
+    return;
+  }
+  catch (const exception& exc) {
+    printout(ERROR, "DDCMS", "++ FAILED    to convert subdetector: %s: %s", name.c_str(), exc.what());
+    terminate();
+  }
+  catch (...) {
+    printout(ERROR, "DDCMS", "++ FAILED    to convert subdetector: %s: %s", name.c_str(), "UNKNONW Exception");
+    terminate();
+  }
+}
+
+template <> void Converter<debug>::operator()(xml_h dbg) const {
+  Namespace ns(_param<ParsingContext>());
+  if ( dbg.hasChild(_CMU(debug_constants)) )  ns.context->debug_constants  = true;
+  if ( dbg.hasChild(_CMU(debug_materials)) )  ns.context->debug_materials  = true;
+  if ( dbg.hasChild(_CMU(debug_shapes)) )     ns.context->debug_shapes     = true;
+  if ( dbg.hasChild(_CMU(debug_volumes)) )    ns.context->debug_volumes    = true;
+  if ( dbg.hasChild(_CMU(debug_placements)) ) ns.context->debug_placements = true;
+  if ( dbg.hasChild(_CMU(debug_namespaces)) ) ns.context->debug_namespaces = true;
+}
+
+template <> void Converter<vis_apply>::operator()(xml_h /* dddefinition */) const {
+  struct VisPatcher: public detail::GeoScan {
+    Detector& detector;
+    VisPatcher(Detector& d) : detail::GeoScan(d.world()), detector(d)  {    }
+    void patch()   const  {
+      printout(INFO,"Detector","+++ Applying DD4hep visualization attributes....");
+      for (auto i = m_data->rbegin(); i != m_data->rend(); ++i) {
+        for( const TGeoNode* n : (*i).second )  {
+          Volume  vol(n->GetVolume());
+          VisAttr vis = detector.visAttributes(vol.name());
+          printout(DEBUG,"Vis","+++ %s  vis-attrs:%s",vol.name(), yes_no(vis.isValid()));
+          vol.setVisAttributes(vis);
+        }
+      }
+    }
+  };
+  VisPatcher(description).patch();
+}
+
+/// Converter for <DDDefinition/> tags
+template <> void Converter<dddefinition>::operator()(xml_h element) const {
+  static int num_calls = 0;
+  static ParsingContext ctxt;
+  xml_elt_t dddef(element);
+  string fname = xml::DocumentHandler::system_path(element);
+  bool open_geometry  = true;
+  bool close_geometry = true;
+  ++num_calls;
+
+  Path   path(fname);
+  string ns = path.filename().substr(0,path.filename().rfind('.'));
+  ctxt.namespaces.push_back(ns+'_');
+  xml_coll_t(dddef, _U(debug)).for_each(Converter<debug>(description,&ctxt));
+  
+  // Here we define the order how XML elements are processed.
+  // Be aware of dependencies. This can only defined once.
+  // At the end it is a limitation of DOM....
+  printout(INFO,"DDCMS","+++ Processing the CMS detector description %s",fname.c_str());
+  xml_coll_t(dddef, _CMU(ConstantsSection)).for_each(Converter<constantssection>(description,&ctxt));
+  xml_coll_t(dddef, _CMU(VisSection)).for_each(Converter<vissection>(description,&ctxt));
+  xml_coll_t(dddef, _CMU(IncludeSection)).for_each(_CMU(Include), Converter<include>(description,&ctxt));
+
+  xml_coll_t(dddef, _CMU(RotationSection)).for_each(Converter<rotationsection>(description,&ctxt));
+  xml_coll_t(dddef, _CMU(MaterialSection)).for_each(Converter<materialsection>(description,&ctxt));
+
+  xml_coll_t(dddef, _CMU(SolidSection)).for_each(Converter<solidsection>(description,&ctxt));
+  xml_coll_t(dddef, _CMU(LogicalPartSection)).for_each(Converter<logicalpartsection>(description,&ctxt));
+  xml_coll_t(dddef, _CMU(PosPartSection)).for_each(Converter<pospartsection>(description,&ctxt));
+
+  /// Analyse algorithms to be called
+  if ( !ctxt.geo_inited && dddef.hasChild(_CMU(Algorithm)) )  {
+    ctxt.geo_inited = true;
+    description.init();
+  }
+  else if ( num_calls == 1 && open_geometry )   {
+    ctxt.geo_inited = true;
+    description.init();
+  }
+  xml_coll_t(dddef, _CMU(Algorithm)).for_each(Converter<algorithm>(description,&ctxt));
+
+  /// This should be the end of all processing....close the geometry
+  if ( --num_calls == 0 && close_geometry )  {
+    Converter<vis_apply> cnv(description,&ctxt);
+    cnv(dddef);
+    description.endDocument();
+  }
+  ctxt.namespaces.pop_back();
+  printout(INFO,"DDDefinition","+++ Finished processing %s",fname.c_str());
+}
+
+static long load_dddefinition(Detector& description, xml_h element) {
+  Converter<dddefinition>converter(description);
+  converter(element);
+  return 1;
+}
+
+// Now declare the factory entry for the plugin mechanism
+DECLARE_XML_DOC_READER(DDDefinition,load_dddefinition)
diff --git a/DDCMS/src/plugins/DDPixBarLayerAlgo.cpp b/DDCMS/src/plugins/DDPixBarLayerAlgo.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..69c649024a4b2fe97669ceec66989e79e5befa80
--- /dev/null
+++ b/DDCMS/src/plugins/DDPixBarLayerAlgo.cpp
@@ -0,0 +1,276 @@
+//==========================================================================
+//  AIDA Detector description implementation 
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
+// All rights reserved.
+//
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+//
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
+
+// Framework include files
+#include "DD4hep/DetFactoryHelper.h"
+#include "DD4hep/Printout.h"
+#include "DDCMS/DDCMSPlugins.h"
+#include "CLHEP/Units/SystemOfUnits.h"
+
+// C/C++ include files
+#include <sstream>
+
+using namespace std;
+using namespace dd4hep;
+using namespace dd4hep::detail;
+using namespace dd4hep::cms;
+
+static Ref_t create_element(Detector& description, ParsingContext& ctxt, xml_h e, SensitiveDetector& /* sens */)  {
+  stringstream  str;
+  PlacedVolume  pv;
+  Namespace     ns(ctxt);
+  AlgoArguments args(ctxt, e);
+  string        parentName = args.parentName();
+
+  printout(INFO,"DDCMS","+++ Parsing arguments for Algorithm:%-24s rParent:%s",
+           args.name.c_str(), parentName.c_str());
+
+  string genMat    = args.value<string>("GeneralMaterial");
+  int    number    = args.value<int>("Ladders");
+  double layerDz   = args.value<double>("LayerDz");
+  double sensorEdge= args.value<double>("SensorEdge");
+  double coolDz    = args.value<double>("CoolDz");
+  double coolWidth = args.value<double>("CoolWidth");
+  double coolSide  = args.value<double>("CoolSide");
+  double coolThick = args.value<double>("CoolThick");
+  double coolDist  = args.value<double>("CoolDist");
+  string coolMat   = args.value<string>("CoolMaterial");
+  string tubeMat   = args.value<string>("CoolTubeMaterial");
+
+  str.str("");
+  str << "DDPixBarLayerAlgo debug: Parent " << parentName 
+      << " NameSpace " << ns.name << "\n"
+      << "\tLadders " << number << "\tGeneral Material " 
+      << genMat << "\tLength " << layerDz << "\tSensorEdge "
+      << sensorEdge << "\tSpecification of Cooling Pieces:\n"
+      << "\tLength " << coolDz << " Width " << coolWidth 
+      << " Side " << coolSide << " Thickness of Shell " 
+      << coolThick << " Radial distance " << coolDist 
+      << " Materials " << coolMat << ", " << tubeMat;
+  printout(DEBUG,"PixelGeom",str.str().c_str());
+
+  vector<string> ladder      = args.value<vector<string> >("LadderName");
+  vector<double> ladderWidth = args.value<vector<double> >("LadderWidth");
+  vector<double> ladderThick = args.value<vector<double> >("LadderThick");
+  
+  str.str("");
+  str << "DDPixBarLayerAlgo debug: Full Ladder " 
+      << ladder[0] << " width/thickness " << ladderWidth[0]
+      << ", " << ladderThick[0] << "\tHalf Ladder " 
+      << ladder[1] << " width/thickness " << ladderWidth[1]
+      << ", " << ladderThick[1];
+  printout(DEBUG,"PixelGeom",str.str().c_str());
+
+  string mother = parentName;
+  const std::string &idName = mother;
+
+  double dphi = CLHEP::twopi/number;
+  double d2   = 0.5*coolWidth;
+  double d1   = d2 - coolSide*sin(0.5*dphi);
+  double x1   = (d1+d2)/(2.*sin(0.5*dphi));
+  double x2   = coolDist*sin(0.5*dphi);
+  double rmin = (coolDist-0.5*(d1+d2))*cos(0.5*dphi)-0.5*ladderThick[0];
+  double rmax = (coolDist+0.5*(d1+d2))*cos(0.5*dphi)+0.5*ladderThick[0];
+  double rmxh = rmax - 0.5*ladderThick[0] + ladderThick[1];
+  str.str("");
+  str << "DDPixBarLayerAlgo test: Rmin/Rmax " << rmin 
+      << ", " << rmax << " d1/d2 " << d1 << ", " << d2 
+      << " x1/x2 " << x1 << ", " << x2;
+  printout(DEBUG,"PixelGeom",str.str().c_str());
+
+  double rtmi = rmin + 0.5*ladderThick[0] - ladderThick[1];
+  double rtmx = sqrt(rmxh*rmxh+ladderWidth[1]*ladderWidth[1]);
+  Solid solid = Tube(rtmi, rtmx, 0.5*layerDz, 0, CLHEP::twopi);
+  solid.setName(idName);
+  str.str("");
+  str << "DDPixBarLayerAlgo test: " 
+      << idName << " Tubs made of " 
+      << genMat << " from 0 to " << CLHEP::twopi/CLHEP::deg 
+      << " with Rin " << rtmi << " Rout " << rtmx 
+      << " ZHalf " << 0.5*layerDz;
+  printout(DEBUG,"PixelGeom",str.str().c_str());
+
+  Material matter;
+  Volume   layer(solid.name(), solid, description.material(genMat));
+
+  double rr = 0.5*(rmax+rmin);
+  double dr = 0.5*(rmax-rmin);
+  double h1 = 0.5*coolSide*cos(0.5*dphi);
+  std::string name = idName + "CoolTube";
+  solid = Trap(0.5*coolDz, 0, 0, h1, d2, d1, 0, h1, d2, d1, 0);
+  solid.setName(idName+"CoolTube");
+  str.str("");
+  str << "DDPixBarLayerAlgo test: " <<solid.name() 
+      << " Trap made of " << tubeMat << " of dimensions " 
+      << 0.5*coolDz << ", 0, 0, " << h1 << ", " << d2 
+      << ", " << d1 << ", 0, " << h1 << ", " << d2 << ", " 
+      << d1 << ", 0";
+  printout(DEBUG,"PixelGeom",str.str().c_str());
+  Volume coolTube(solid.name(), solid, description.material(tubeMat));
+  
+  h1  -= coolThick;
+  d1  -= coolThick;
+  d2  -= coolThick;
+  solid = Trap(0.5*coolDz, 0, 0, h1, d2, d1, 0, h1, d2, d1, 0);
+  solid.setName(idName + "Coolant");
+  
+  str.str("");
+  str << "DDPixBarLayerAlgo test: " <<solid.name() 
+      << " Trap made of " << coolMat << " of dimensions " 
+      << 0.5*coolDz << ", 0, 0, " << h1 << ", " << d2
+      << ", " << d1 << ", 0, " << h1 << ", " << d2 << ", " 
+      << d1 << ", 0";
+  printout(DEBUG,"PixelGeom",str.str().c_str());
+
+  Volume cool(solid.name(), solid, description.material(coolMat));
+
+  //cpv.position(cool, coolTube, 1, DDTranslation(0.0, 0.0, 0.0), DDRotation());
+  pv = coolTube.placeVolume(cool);
+  str.str("");
+  str << "DDPixBarLayerAlgo test: " << cool.name() 
+      << " number 1 positioned in " << coolTube.name() 
+      << " at (0,0,0) with no rotation";
+  printout(DEBUG,"PixelGeom",str.str().c_str());
+
+  string ladderFull = ladder[0];
+  string ladderHalf = ladder[1];
+  int nphi=number/2, copy=1, iup=-1;
+  double phi0 = 90*CLHEP::deg;
+  Volume ladderHalfVol = ctxt.volume(ladderHalf);
+  Volume ladderFullVol = ctxt.volume(ladderFull);
+
+  for (int i=0; i<number; i++) {
+    double phi = phi0 + i*dphi;
+    double phix, phiy, rrr, xx;
+    std::string rots;
+    Position    tran;
+    Rotation3D rot;
+    if (i == 0 || i == nphi) {
+      rrr  = rr + dr + 0.5*(ladderThick[1]-ladderThick[0]);
+      xx   = (0.5*ladderWidth[1] - sensorEdge) * sin(phi);
+      tran = Position(xx, rrr*sin(phi), 0);
+      rots = idName + std::to_string(copy);
+      phix = phi-90*CLHEP::deg;
+      phiy = 90*CLHEP::deg+phix;
+      str.str("");
+      str << "DDPixBarLayerAlgo test: Creating a new "
+                            << "rotation: " << rots << "\t90., " 
+                            << phix/CLHEP::deg << ", 90.," << phiy/CLHEP::deg 
+                            << ", 0, 0";
+      printout(DEBUG,"PixelGeom",str.str().c_str());
+      rot = make_rotation3D(90*CLHEP::deg, phix, 90*CLHEP::deg, phiy, 0.,0.);
+
+      //cpv.position(ladderHalf, layer, copy, tran, rot);
+      pv = layer.placeVolume(ladderHalfVol, Transform3D(rot,tran));
+      if ( !pv.isValid() )  {  }
+      str.str("");
+      str << "DDPixBarLayerAlgo test: " << ladderHalfVol.name()
+          << " number " << copy << " positioned in " 
+          << layer.name() << " at " << tran << " with " 
+          << rot;
+      printout(DEBUG,"PixelGeom",str.str().c_str());
+
+      copy++;
+      iup  = -1;
+      rrr  = rr - dr - 0.5*(ladderThick[1]-ladderThick[0]);
+      tran = Position(-xx, rrr*sin(phi), 0);
+      rots = idName + std::to_string(copy);
+      phix = phi+90*CLHEP::deg;
+      phiy = 90*CLHEP::deg+phix;
+      str.str("");
+      str << "DDPixBarLayerAlgo test: Creating a new "
+          << "rotation: " << rots << "\t90., " 
+          << phix/CLHEP::deg << ", 90.," << phiy/CLHEP::deg 
+          << ", 0, 0";
+      printout(DEBUG,"PixelGeom",str.str().c_str());
+
+      rot = make_rotation3D(90*CLHEP::deg, phix, 90*CLHEP::deg, phiy, 0.,0.);
+      //cpv.position(ladderHalf, layer, copy, tran, rot);
+      pv = layer.placeVolume(ladderHalfVol, Transform3D(rot,tran));
+      if ( !pv.isValid() )  {  }
+      str.str("");
+      str << "DDPixBarLayerAlgo test: " << ladderHalfVol.name()
+          << " number " << copy << " positioned in " 
+          << layer.name() << " at " << tran << " with " 
+          << rot;
+      printout(DEBUG,"PixelGeom",str.str().c_str());
+      copy++;
+    } else {
+      iup  =-iup;
+      rrr  = rr + iup*dr;
+      tran = Position(rrr*cos(phi), rrr*sin(phi), 0);
+      rots = idName + std::to_string(copy);
+      if (iup > 0) phix = phi-90*CLHEP::deg;
+      else         phix = phi+90*CLHEP::deg;
+      phiy = phix+90.*CLHEP::deg;
+      str.str("");
+      str << "DDPixBarLayerAlgo test: Creating a new "
+          << "rotation: " << rots << "\t90., " 
+          << phix/CLHEP::deg << ", 90.," << phiy/CLHEP::deg 
+          << ", 0, 0";
+      printout(DEBUG,"PixelGeom",str.str().c_str());
+
+      rot = make_rotation3D(90*CLHEP::deg, phix, 90*CLHEP::deg, phiy, 0.,0.);
+
+      //cpv.position(ladderFull, layer, copy, tran, rot);
+      pv = layer.placeVolume(ladderFullVol, Transform3D(rot,tran));
+      if ( !pv.isValid() )  {  }
+      str.str("");
+      str << "DDPixBarLayerAlgo test: " << ladderFullVol.name()
+          << " number " << copy << " positioned in " 
+          << layer.name() << " at " << tran << " with " 
+          << rot;
+      printout(DEBUG,"PixelGeom",str.str().c_str());
+      copy++;
+    }
+    rrr  = coolDist*cos(0.5*dphi);
+    tran = Position(rrr*cos(phi)-x2*sin(phi), rrr*sin(phi)+x2*cos(phi), 0);
+    rots = idName + std::to_string(i+100);
+    phix = phi+0.5*dphi;
+    if (iup > 0) phix += 180*CLHEP::deg;
+    phiy = phix+90.*CLHEP::deg;
+    str.str("");
+    str << "DDPixBarLayerAlgo test: Creating a new "
+        << "rotation: " << rots << "\t90., " 
+        << phix/CLHEP::deg << ", 90.," << phiy/CLHEP::deg 
+        << ", 0, 0";
+    printout(DEBUG,"PixelGeom",str.str().c_str());
+    rot = make_rotation3D(90*CLHEP::deg, phix, 90*CLHEP::deg, phiy, 0.,0.);
+    //cpv.position(coolTube, layer, i+1, tran, rot);
+    pv = layer.placeVolume(coolTube,Transform3D(rot,tran));
+    if ( !pv.isValid() )  {  }
+    str.str("");
+    str << "DDPixBarLayerAlgo test: " << coolTube.name() 
+        << " number " << i+1 << " positioned in " 
+        << layer.name() << " at " << tran << " with "<< rot;
+    printout(DEBUG,"PixelGeom",str.str().c_str());
+  }
+
+  // Now we have built the layer.....create the DetElement object
+  string     det_name = "Layer_"+idName;
+  DetElement det_elt(det_name,0);
+  Assembly   assembly(det_name);
+  Volume     motherVol = description.pickMotherVolume(det_elt);
+  pv = assembly.placeVolume(layer);
+  pv = motherVol.placeVolume(assembly);
+  det_elt.setPlacement(pv);
+  return det_elt;
+}
+
+// first argument is the type from the xml file
+DECLARE_DDCMS_DETELEMENT(track_DDPixBarLayerAlgo,create_element)
+
diff --git a/DDCMS/src/plugins/DDTrackerLinear.cpp b/DDCMS/src/plugins/DDTrackerLinear.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..43c75df7099ab6fdac9364511acb64840cf061f2
--- /dev/null
+++ b/DDCMS/src/plugins/DDTrackerLinear.cpp
@@ -0,0 +1,99 @@
+//==========================================================================
+//  AIDA Detector description implementation 
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
+// All rights reserved.
+//
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+//
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
+
+// Framework include files
+#include "DD4hep/DetFactoryHelper.h"
+#include "DD4hep/Printout.h"
+#include "DDCMS/DDCMSPlugins.h"
+
+// C/C++ include files
+#include <sstream>
+
+using namespace std;
+using namespace dd4hep;
+using namespace dd4hep::detail;
+using namespace dd4hep::cms;
+
+static Ref_t create_element(Detector& /* description */,
+                            ParsingContext& ctxt,
+                            xml_h e,
+                            SensitiveDetector& /* sens */)
+{
+  stringstream str;
+  Namespace     ns(ctxt);
+  AlgoArguments args(ctxt, e);
+  xml_det_t      x_det   = e;
+  string         name    = x_det.nameStr();
+  DetElement     det    (name,x_det.id());
+  Assembly       assembly(name);
+  string         parentName = args.parentName();
+  int            startcn    = 1, incrcn = 1;
+  int            number     = args.value<int>("Number");
+  double         theta      = args.value<double>("Theta");
+  double         phi        = args.value<double>("Phi");
+  double         offset     = args.value<double>("Offset");
+  double         delta      = args.value<double>("Delta");
+  vector<double> centre     = args.value<vector<double> >("Center");
+  string         rotMat     = args.value<string>("Rotation");
+  
+  if ( args.find("StartCopyNo") ) {
+    startcn = size_t(args.value<double>("StartCopyNo"));
+  }
+  if ( args.find("IncrCopyNo") ) {
+    incrcn = int(args.value<double>("IncrCopyNo"));
+  }
+  printout(INFO,"DDTrackerLinear","+++ Executing Algorithm:%-24s rParent:%s",
+           name.c_str(), parentName.c_str());
+
+  string childName  = args.value<string>("ChildName");
+  str << "DDTrackerLinear debug: Parent " << parentName 
+      << "\tChild " << childName << " NameSpace " 
+      << ns.name << "\tNumber " << number 
+      << "\tAxis (theta/phi) " << theta/dd4hep::deg << ", "
+      << phi/dd4hep::deg << "\t(Offset/Delta) " << offset 
+      << ", "  << delta << "\tCentre " << centre[0] << ", "
+      << centre[1] << ", " << centre[2] << "\tRotation "
+      << rotMat;
+  printout(INFO,"DDTrackerLinear",str.str().c_str());
+
+  Volume   mother = ctxt.volume(parentName);
+  Volume   child  = ctxt.volume(childName);
+  Position direction(sin(theta)*cos(phi),sin(theta)*sin(phi),cos(theta));
+  Position base(centre[0],centre[1],centre[2]);
+  RotationZYX   rot;
+  if ( !rotMat.empty() ) {
+    rot = ctxt.rotation(rotMat);
+  }
+  for (int i=0, ci=startcn; i<number; i++, ci += incrcn) {
+    Position tran = base + (offset + double(i)*delta)*direction;
+    // Copy number ???
+    /* PlacedVolume pv = */
+    rotMat.empty()
+      ? assembly.placeVolume(child,Transform3D(rot,tran))
+      : assembly.placeVolume(child,tran);
+    str.str("");
+    str << child.name() << " number "
+        << ci << " positioned in " << mother.name() << " at "
+        << tran << " with " << rot;
+    printout(INFO,"DDTrackerLinear",str.str().c_str());
+  }
+  return det;  
+}
+
+// first argument is the type from the xml file
+DECLARE_DDCMS_DETELEMENT(track_DDTrackerLinear,create_element)
+
diff --git a/DDCond/include/DDCond/ConditionsTreePersistency.h b/DDCond/include/DDCond/ConditionsTreePersistency.h
index b3696b7ec367faf4966f56c5ac9cd70fc2bb3ec9..bed2520ed6f876c2fd5db75aae42f1bd96d577c7 100644
--- a/DDCond/include/DDCond/ConditionsTreePersistency.h
+++ b/DDCond/include/DDCond/ConditionsTreePersistency.h
@@ -32,6 +32,82 @@ namespace dd4hep {
   /// Namespace for implementation details of the AIDA detector description toolkit
   namespace cond {
 
+    /*
+     *   event (iov)
+     *       |
+     *       |
+     *       |           Link attribute:
+     *       |           (priority,tag-id)
+     *       V            0..*                       valid for mutiple conditions
+     *   global tag ---------------->  condition tag (iov,version,pool-id)
+     *   (named,iov)                       | 1       [cached, # of consecutive iov]
+     *   [in memory]                       |
+     *                                     |
+     *                                     |
+     *                                     V 0..1
+     *                               conditions pool (pool-id)
+     *                                     |         [DDCond cache/management]
+     *                                     |
+     *                                     |
+     *                                     |
+     *                                     V 0..*
+     *                                 condition
+     *                                                              
+     *
+     */
+    
+    /** Class representing a conditions tag
+     *
+     *  \author  M.Frank
+     *  \version 1.0
+     */
+    class ConditionsTag  {
+    public:
+      /// Tag name
+      std::string name;
+      /// Interval of validity
+      IOV         iov{0};
+      /// Version number of the condition
+      int         version = -1;
+      /// The collections contributing to this tag
+      int         collectionID = -1;
+      /// Default destructor
+      ~ConditionsTag() = default;
+      /// Default constructor
+      ConditionsTag() = default;
+      /// Copy contructor
+      ConditionsTag(const ConditionsTag& copy) =  default;
+      /// Assignment operator
+      ConditionsTag& operator=(const ConditionsTag& copy) =  default;
+    };
+
+    /** Class representing a global tag
+     *
+     *  \author  M.Frank
+     *  \version 1.0
+     */
+    class GlobalTag  {
+    public:
+      /// Name of the global tag
+      std::string       name;
+      /// The interval of validity for this global tag
+      IOV               iov{0};
+
+      /// This vector contains all the individual tags contributing to this global tag
+      /** Tuple: (priority,tag-id)   ->   tree collection identifier          */
+      std::map<std::pair<int,int>, int>  tags;
+
+
+      /// Default detructor
+      ~GlobalTag()   = default;
+      /// Default constructor
+      GlobalTag()    = default;
+      /// Copy contructor
+      GlobalTag(const GlobalTag& copy) =  default;
+      /// Assignment operator
+      GlobalTag& operator=(const GlobalTag& copy) =  default;
+    };
+
     /// Forward declarations
     class ConditionsSlice;
     class ConditionsIOVPool;
@@ -56,7 +132,6 @@ namespace dd4hep {
       typedef std::list<std::pair<iov_key_type, pool_type> >          persistent_type;
 
       persistent_type conditionPools;
-      persistent_type userPools;
       persistent_type iovPools;
       float           duration;
       enum ImportStrategy  {
@@ -98,14 +173,13 @@ namespace dd4hep {
       static TFile* openFile(const std::string& fname);      
       
       /// Add conditions content to be saved. Note, that dependent conditions shall not be saved!
-      size_t add(const std::string& identifier, const IOV& iov, std::vector<Condition>& conditions);
+      size_t add(const std::string& tag, const IOV& iov, std::vector<Condition>& conditions);
       /// Add conditions content to be saved. Note, that dependent conditions shall not be saved!
-      size_t add(const std::string& identifier, ConditionsPool& pool);
+      size_t add(const std::string& tag, ConditionsPool& pool);
       /// Add conditions content to be saved. Note, that dependent conditions shall not be saved!
-      size_t add(const std::string& identifier, const UserPool& pool);
-      /// Add conditions content to be saved. Note, that dependent conditions shall not be saved!
-      size_t add(const std::string& identifier, const ConditionsIOVPool& pool);
+      size_t add(const std::string& tag, const ConditionsIOVPool& pool);
 
+      
       /// Load conditions content from file.
       static std::unique_ptr<ConditionsTreePersistency> load(TFile* file,const std::string& object);
       
@@ -116,11 +190,8 @@ namespace dd4hep {
       
       /// Load conditions IOV pool and populate conditions manager
       size_t importIOVPool(const std::string& id, const std::string& iov_type, ConditionsManager mgr);
-      /// Load conditions user pool and populate conditions manager
-      size_t importUserPool(const std::string& id, const std::string& iov_type, ConditionsManager mgr);
       /// Load conditions pool and populate conditions manager
       size_t importConditionsPool(const std::string& id, const std::string& iov_type, ConditionsManager mgr);
-
       /// Load conditions pool and populate conditions manager. Allow tro be selective also for the key
       size_t importConditionsPool(ImportStrategy     strategy,
                                   const std::string& id,
diff --git a/DDCond/src/ConditionsTreePersistency.cpp b/DDCond/src/ConditionsTreePersistency.cpp
index 23868711afdf538fe26bc4beb0a200efc8e76e0b..cb0fff8461b70a3c6b85d852fad598f8226c1db0 100644
--- a/DDCond/src/ConditionsTreePersistency.cpp
+++ b/DDCond/src/ConditionsTreePersistency.cpp
@@ -125,21 +125,6 @@ size_t ConditionsTreePersistency::add(const string& identifier, const Conditions
   return count;
 }
 
-/// Add conditions content to the saved. Note, that dependent conditions shall not be saved!
-size_t ConditionsTreePersistency::add(const string& identifier, const UserPool& pool)    {
-  DurationStamp stamp(this);
-  userPools.push_back(pair<iov_key_type, pool_type>());
-  pool_type&    ent = userPools.back().second;
-  iov_key_type& key = userPools.back().first;
-  const IOV&    iov = pool.validity();
-  key.first         = identifier;
-  key.second.first  = make_pair(iov.iovType->name,iov.type);
-  key.second.second = iov.key();
-  pool.scan(Scanner(ent));
-  for(auto c : ent) c.ptr()->addRef();
-  return ent.size();
-}
-
 /// Open ROOT file in read mode
 TFile* ConditionsTreePersistency::openFile(const string& fname)     {
   TDirectory::TContext context;
@@ -164,7 +149,6 @@ void ConditionsTreePersistency::_clear(persistent_type& pool)  {
 void ConditionsTreePersistency::clear()  {
   /// Cleanup all the stuff not useful....
   _clear(conditionPools);
-  _clear(userPools);
   _clear(iovPools);
 }
 
@@ -267,15 +251,6 @@ size_t ConditionsTreePersistency::importIOVPool(const std::string& identifier,
   return _import(IMPORT_ALL,iovPools,identifier,iov_type,IOV::Key(),mgr);
 }
 
-/// Load ConditionsIOVPool and populate conditions manager
-size_t ConditionsTreePersistency::importUserPool(const std::string& identifier,
-                                                 const std::string& iov_type,
-                                                 ConditionsManager  mgr)
-{
-  DurationStamp stamp(this);
-  return _import(IMPORT_ALL,userPools,identifier,iov_type,IOV::Key(),mgr);
-}
-
 /// Load ConditionsIOVPool and populate conditions manager
 size_t ConditionsTreePersistency::importConditionsPool(const std::string& identifier,
                                                        const std::string& iov_type,
diff --git a/DDCore/include/DD4hep/Handle.h b/DDCore/include/DD4hep/Handle.h
index 9f72bc4e96148d6d8c16de3659a3356868341418..58f478a7bd65501593a73bdfc7061795fd795c53 100644
--- a/DDCore/include/DD4hep/Handle.h
+++ b/DDCore/include/DD4hep/Handle.h
@@ -228,6 +228,9 @@ namespace dd4hep {
     }
   }
   
+  /// String manipulations: Remove unconditionally all white spaces
+  std::string remove_whitespace(const std::string& v);
+
   /// String conversions: boolean value to string  \ingroup DD4HEP_CORE
   std::string _toString(bool value);
   /// String conversions: integer value to string  \ingroup DD4HEP_CORE
diff --git a/DDCore/include/DD4hep/Shapes.h b/DDCore/include/DD4hep/Shapes.h
index 1662f8647efc6a79b71e1c02d174c31efc18e3cd..3a0ff3e83a27b104091e8a854229b62b2c2155ce 100644
--- a/DDCore/include/DD4hep/Shapes.h
+++ b/DDCore/include/DD4hep/Shapes.h
@@ -86,6 +86,11 @@ namespace dd4hep {
 
     /// Access to shape name
     const char* name() const;
+    /// Set new shape name
+    Solid_type<T>& setName(const char* value);
+    /// Set new shape name
+    Solid_type<T>& setName(const std::string& value);
+
     /// Access to shape type (The TClass name of the ROOT implementation)
     const char* type() const;
     /// Auto conversion to underlying ROOT object
diff --git a/DDCore/include/XML/UnicodeValues.h b/DDCore/include/XML/UnicodeValues.h
index 6172f47147b5c59b6229547f148e2bbaf0d84a92..ec2da27df565d8bfb6fb1296080b7a2cd7562695 100644
--- a/DDCore/include/XML/UnicodeValues.h
+++ b/DDCore/include/XML/UnicodeValues.h
@@ -127,6 +127,7 @@ UNICODE (eunit);
 UNICODE (end_x);
 UNICODE (end_y);
 UNICODE (end_z);
+UNICODE (eval);
 
 UNICODE (f);
 UNICODE (F);
diff --git a/DDCore/include/XML/detail/Dimension.h b/DDCore/include/XML/detail/Dimension.h
index bfa9f50cd7a82479b73399bcfcb96c89c4c3044c..6a6e87522e48c996f8f7a01ea60a35e60d55aa2a 100644
--- a/DDCore/include/XML/detail/Dimension.h
+++ b/DDCore/include/XML/detail/Dimension.h
@@ -169,6 +169,10 @@ namespace dd4hep {
       double distance() const;
       ///Access parameters: distance
       double distance(double default_value) const;
+      /// Access parameters: fraction
+      double fraction()  const;
+      /// Access parameters: fraction
+      double fraction(double default_value)  const;
       /// Access parameters: B
       double B() const;
       /// Access parameters: B
@@ -562,6 +566,10 @@ namespace dd4hep {
       std::string typeStr() const;
       /// Access "value" attribute as STL string
       std::string valueStr() const;
+      /// Access "label" attribute as STL string
+      std::string labelStr() const;
+      /// Access "symbol" attribute as STL string
+      std::string symbolStr() const;
       /// Access "module" attribute as STL string
       std::string moduleStr() const;
       /// Access "readout" attribute as STL string
diff --git a/DDCore/include/XML/detail/Dimension.imp b/DDCore/include/XML/detail/Dimension.imp
index d3fdb3d27f4e9a62b702a02c2272b484a054c9f3..ec1932619dfa668d4601a82b8989da7b374c5dc4 100644
--- a/DDCore/include/XML/detail/Dimension.imp
+++ b/DDCore/include/XML/detail/Dimension.imp
@@ -95,6 +95,7 @@ XML_ATTR_ACCESSOR_DOUBLE(beta)
 XML_ATTR_ACCESSOR_DOUBLE(gamma)
 XML_ATTR_ACCESSOR_DOUBLE(delta)
 XML_ATTR_ACCESSOR_DOUBLE(epsilon)
+XML_ATTR_ACCESSOR_DOUBLE(fraction)
 XML_ATTR_ACCESSOR_DOUBLE(theta)
 XML_ATTR_ACCESSOR_DOUBLE(deltatheta)
 XML_ATTR_ACCESSOR(int, thetaBins)
@@ -208,22 +209,37 @@ std::string dd4hep::DD4HEP_DIMENSION_NS::Dimension::valueStr() const   {
   return m_element.attr < std::string > (_U(value));
 }
 
+/// Access "label" attribute as STL std::string
+std::string dd4hep::DD4HEP_DIMENSION_NS::Dimension::labelStr() const   {
+  return m_element.attr < std::string > (_U(label));
+}
+
+/// Access "symbol" attribute as STL std::string
+std::string dd4hep::DD4HEP_DIMENSION_NS::Dimension::symbolStr() const   {
+  return m_element.attr < std::string > (_U(symbol));
+}
+
+/// Access "region" attribute as STL std::string. If not present returns empty string.
 std::string dd4hep::DD4HEP_DIMENSION_NS::Dimension::regionStr() const {
   return m_element.hasAttr(_U(region)) ? m_element.attr < std::string > (_U(region)) : std::string();
 }
 
+/// Access "limits" attribute as STL std::string. If not present returns empty string.
 std::string dd4hep::DD4HEP_DIMENSION_NS::Dimension::limitsStr() const {
   return m_element.hasAttr(_U(limits)) ? m_element.attr < std::string > (_U(limits)) : std::string();
 }
 
+/// Access "vis" attribute as STL std::string. If not present returns empty string.
 std::string dd4hep::DD4HEP_DIMENSION_NS::Dimension::visStr() const {
   return m_element.hasAttr(_U(vis)) ? m_element.attr < std::string > (_U(vis)) : std::string();
 }
 
+/// Access "readout" attribute as STL std::string. If not present returns empty string.
 std::string dd4hep::DD4HEP_DIMENSION_NS::Dimension::readoutStr() const {
   return m_element.hasAttr(_U(readout)) ? m_element.attr < std::string > (_U(readout)) : std::string();
 }
 
+/// Access "module" attribute as STL std::string. If not present returns empty string.
 std::string dd4hep::DD4HEP_DIMENSION_NS::Dimension::moduleStr() const {
   return m_element.hasAttr(_U(module)) ? m_element.attr < std::string > (_U(module)) : std::string();
 }
diff --git a/DDCore/src/DetectorImp.cpp b/DDCore/src/DetectorImp.cpp
index b3474a32a06fb482e82042fceb9f8d3f4c7141f2..7e5eb2f98976f8fad8e572704d13e0301f49d8cb 100644
--- a/DDCore/src/DetectorImp.cpp
+++ b/DDCore/src/DetectorImp.cpp
@@ -17,8 +17,9 @@
 #include "DD4hep/GeoHandler.h"
 #include "DD4hep/DetectorHelper.h"
 #include "DD4hep/InstanceCount.h"
-#include "DD4hep/detail/VolumeManagerInterna.h"
+#include "DD4hep/detail/ObjectsInterna.h"
 #include "DD4hep/detail/DetectorInterna.h"
+#include "DD4hep/detail/VolumeManagerInterna.h"
 #include "DetectorImp.h"
 
 // C/C++ include files
@@ -178,11 +179,16 @@ void DetectorImp::declareMotherVolume(const string& detector_name, const Volume&
         m_motherVolumes.insert(make_pair(detector_name,vol));
         return;
       }
-      throw runtime_error("Detector: A mother volume to the detector "+detector_name+" was already registered.");
+      except("DD4hep",
+             "+++ A mother volume to the detector %s was already registered.",
+             detector_name.c_str());
     }
-    throw runtime_error("Detector: Attempt to register invalid mother volume for detector:"+detector_name+" [Invalid-Handle].");
+    except("DD4hep",
+           "+++ Attempt to register invalid mother volume for detector: %s [Invalid-Handle].",
+           detector_name.c_str());
   }
-  throw runtime_error("Detector: Attempt to register mother volume to invalid detector [Invalid-detector-name].");
+  except("DD4hep",
+         "+++ Attempt to register mother volume to invalid detector [Invalid-detector-name].");
 }
 
 /// Access mother volume by detector element
@@ -191,11 +197,22 @@ Volume DetectorImp::pickMotherVolume(const DetElement& de) const {
     string de_name = de.name();
     auto i = m_motherVolumes.find(de_name);
     if (i == m_motherVolumes.end())   {
-      return m_worldVol;
+      if ( m_worldVol.isValid() )  {
+        return m_worldVol;
+      }
+      except("DD4hep",
+             "+++ The world volume is not (yet) valid. Are you correctly building detector %s?",
+             de.name());
     }
-    return (*i).second;
+    if ( (*i).second.isValid() )  {
+      return (*i).second;
+    }
+    except("DD4hep",
+           "+++ The mother volume of %s is not valid. Are you correctly building detectors?",
+           de.name());
   }
-  throw runtime_error("Detector: Attempt access mother volume of invalid detector [Invalid-handle]");
+  except("DD4hep","Detector: Attempt access mother volume of invalid detector [Invalid-handle]");
+  return 0;
 }
 
 Detector& DetectorImp::addDetector(const Handle<NamedObject>& ref_det) {
@@ -209,8 +226,7 @@ Detector& DetectorImp::addDetector(const Handle<NamedObject>& ref_det) {
       stringstream str;
       str << "Detector: The sensitive sub-detectors " << det_element.name() << " and "
           << existing_det.name() << " have the identical ID:" << det_element.id() << ".";
-      printout(ERROR,"Detector",str.str());
-      throw runtime_error(str.str());
+      except("DD4hep",str.str());
     }
   }
   m_detectors.append(ref_det);
@@ -231,7 +247,8 @@ Detector& DetectorImp::addDetector(const Handle<NamedObject>& ref_det) {
       return *this;
     }
   }
-  throw runtime_error("Detector: The detector " + string(det_element.name()) + " has no known parent.");
+  except("DD4hep","Detector: The detector %s has no known parent.", det_element.name());
+  throw runtime_error("Detector-Error"); // Never called....
 }
 
 /// Add a new constant by named reference to the detector description
@@ -464,6 +481,7 @@ namespace {
 
 }
 
+/// Finalize/close the geometry
 void DetectorImp::endDocument() {
   TGeoManager* mgr = m_manager;
   if (!mgr->IsClosed()) {
@@ -488,15 +506,17 @@ void DetectorImp::endDocument() {
   }
 }
 
+/// Initialize the geometry and set the bounding box of the world volume
 void DetectorImp::init() {
   if (!m_world.isValid()) {
     TGeoManager* mgr = m_manager;
+    Constant     air_const = getRefChild(m_define, "Air", false);
+    Constant     vac_const = getRefChild(m_define, "Vacuum", false);
     Box worldSolid("world_x", "world_y", "world_z");
     printout(INFO,"Detector"," *********** created World volume with size : %7.0f %7.0f %7.0f",
              worldSolid->GetDX(), worldSolid->GetDY(), worldSolid->GetDZ());
-
-    m_materialAir = material("Air");
-    m_materialVacuum = material("Vacuum");
+    m_materialAir    = material(air_const.isValid() ? air_const->GetTitle() : "Air");
+    m_materialVacuum = material(vac_const.isValid() ? vac_const->GetTitle() : "Vacuum");
 
     Volume world_vol("world_volume", worldSolid, m_materialAir);
     m_world = DetElement(new WorldObject(*this,"world"));
diff --git a/DDCore/src/Handle.cpp b/DDCore/src/Handle.cpp
index f6e6a097eb2c9b21612f014a2e880030ff3c1227..f61c0e0a08b625443be88a73bfbe0c12816a3b53 100644
--- a/DDCore/src/Handle.cpp
+++ b/DDCore/src/Handle.cpp
@@ -203,6 +203,16 @@ void dd4hep::_toDictionary(const std::string& name, const std::string& value, co
   }
 }
 
+/// String manipulations: Remove unconditionally all white spaces
+string dd4hep::remove_whitespace(const string& v)    {
+  string value;
+  value.reserve(v.length()+1);
+  for(const char* p = v.c_str(); *p; ++p)   {
+    if ( !::isspace(*p) ) value += *p;
+  }
+  return value;
+}
+
 template <typename T> static inline string __to_string(T value, const char* fmt) {
   char text[128];
   ::snprintf(text, sizeof(text), fmt, value);
diff --git a/DDCore/src/Shapes.cpp b/DDCore/src/Shapes.cpp
index 7eccfc7fa3698c6719e783cc9da8088ac7b63900..c4598b411ee790d5f3388e15d226a47a63a43908 100644
--- a/DDCore/src/Shapes.cpp
+++ b/DDCore/src/Shapes.cpp
@@ -173,6 +173,18 @@ template <typename T> const char* Solid_type<T>::name() const {
   return this->ptr()->GetName();
 }
 
+/// Set new shape name
+template <typename T> Solid_type<T>& Solid_type<T>::setName(const char* value)    {
+  this->access()->SetName(value);
+  return *this;
+}
+
+/// Set new shape name
+template <typename T> Solid_type<T>& Solid_type<T>::setName(const std::string& value)    {
+  this->access()->SetName(value.c_str());
+  return *this;
+}
+
 /// Access to shape type (The TClass name of the ROOT implementation)
 template <typename T> const char* Solid_type<T>::type() const  {
   if ( this->ptr() )  {
diff --git a/DDCore/src/plugins/Compact2Objects.cpp b/DDCore/src/plugins/Compact2Objects.cpp
index 4be2a4521c3413e032e128ad51e96f2d364f49fb..14852f8bcb3049e1b9f08897bc8141d55c3022a0 100644
--- a/DDCore/src/plugins/Compact2Objects.cpp
+++ b/DDCore/src/plugins/Compact2Objects.cpp
@@ -38,7 +38,9 @@
 using namespace std;
 using namespace dd4hep;
 
+/// Namespace for the AIDA detector description toolkit
 namespace dd4hep {
+
   class Debug;
   class Isotope;
   class Plugin;
@@ -50,6 +52,7 @@ namespace dd4hep {
   class JsonFile;
   class DetElementInclude;
 
+  /// Converter instances implemented in this compilation unit
   template <> void Converter<Debug>::operator()(xml_h element) const;
   template <> void Converter<Plugin>::operator()(xml_h element) const;
   template <> void Converter<Constant>::operator()(xml_h element) const;
@@ -219,12 +222,12 @@ static Ref_t create_MultipoleField(Detector& description, xml_h e) {
 }
 DECLARE_XMLELEMENT(MultipoleMagnet,create_MultipoleField)
 
-static long create_Compact(Detector& description, xml_h element) {
+static long load_Compact(Detector& description, xml_h element) {
   Converter<Compact>converter(description);
   converter(element);
   return 1;
 }
-DECLARE_XML_DOC_READER(lccdd,create_Compact)
+DECLARE_XML_DOC_READER(lccdd,load_Compact)
 
 /** Convert parser debug flags.
  */
diff --git a/DDDB/src/DDDBTags.cpp b/DDDB/src/DDDBTags.cpp
index 4a7a9726ff19b6b3458905ad3da0936bd77b662a..81da32c8a9caf0a8b2215da3fd0e234698bded0e 100644
--- a/DDDB/src/DDDBTags.cpp
+++ b/DDDB/src/DDDBTags.cpp
@@ -21,7 +21,5 @@
 #include "XML/XMLTags.h"
 
 // Define unicode tags
-#ifndef UNICODE
 #define UNICODE(x)  extern const ::dd4hep::xml::Tag_t Unicode_##x ( #x )
-#endif
 #include "DDDB/DDDBTags.h"
diff --git a/DDDetectors/src/DiskTracker_geo.cpp b/DDDetectors/src/DiskTracker_geo.cpp
index 75bb698b9140ac6089b23fb3fd171bfc19e74cf4..a6e91eb8261f48b90e03ed5cbb1f738ef6ec6038 100644
--- a/DDDetectors/src/DiskTracker_geo.cpp
+++ b/DDDetectors/src/DiskTracker_geo.cpp
@@ -54,8 +54,8 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
       Volume s_vol(s_nam, Tube(rmin,rmax,thick), mat);
         
       if ( x_slice.isSensitive() ) {
-	sens.setType("tracker");
-	s_vol.setSensitiveDetector(sens);
+        sens.setType("tracker");
+        s_vol.setSensitiveDetector(sens);
       }
       s_vol.setAttributes(description,x_slice.regionStr(),x_slice.limitsStr(),x_slice.visStr());
       pv = l_vol.placeVolume(s_vol,Position(0,0,z-zmin-layerWidth/2+thick/2));
diff --git a/DDDetectors/src/LayeringExtensionPlugin.cpp b/DDDetectors/src/LayeringExtensionPlugin.cpp
index 4779057c92b6f5289a86e3f10ee4312bf090a3da..c316364fc8b926a2624002a5b86312f1fbd57f32 100644
--- a/DDDetectors/src/LayeringExtensionPlugin.cpp
+++ b/DDDetectors/src/LayeringExtensionPlugin.cpp
@@ -25,8 +25,8 @@ namespace  {
   public:
     DetElement det, parent;
     std::map<int,DetElement> layers;
-    LayeringContext() {}
-    ~LayeringContext()  {
+    LayeringContext()   noexcept(true)     {}
+    ~LayeringContext()   {
       LayeringExtensionImpl* e = new LayeringExtensionImpl();
       det.addExtension<LayeringExtension>(e);
       for(std::map<int,DetElement>::const_iterator i=layers.begin(); i!=layers.end();++i)   {
diff --git a/DDG4/src/Geant4InputAction.cpp b/DDG4/src/Geant4InputAction.cpp
index 16ad21e6b5c6e5d0d8a0ec437de7ad78f8ffff06..cbba3e42288ec2649453c47c75a764203bc517b9 100644
--- a/DDG4/src/Geant4InputAction.cpp
+++ b/DDG4/src/Geant4InputAction.cpp
@@ -67,7 +67,7 @@ void Geant4EventReader::checkParameters(std::map< std::string, std::string > &pa
 
 }
 
-/// Move to the indicated event number.
+#if 0
 Geant4EventReader::EventReaderStatus
 Geant4EventReader::moveToEvent(int event_number)   {
   if ( event_number >= INT_MIN )   {
@@ -92,6 +92,13 @@ Geant4EventReader::moveToEvent(int event_number)   {
   }
   return EVENT_READER_ERROR;
 }
+#else
+/// Move to the indicated event number.
+Geant4EventReader::EventReaderStatus
+Geant4EventReader::moveToEvent(int event_number)   {
+  return EVENT_READER_OK;
+}
+#endif
 
 /// Standard constructor
 Geant4InputAction::Geant4InputAction(Geant4Context* ctxt, const string& nam)
diff --git a/examples/DDCMS/CMS-tracker.png b/examples/DDCMS/CMS-tracker.png
new file mode 100644
index 0000000000000000000000000000000000000000..9e55ffe9c20f6133294dece1453bb294ce062988
Binary files /dev/null and b/examples/DDCMS/CMS-tracker.png differ
diff --git a/examples/DDCMS/CMakeLists.txt b/examples/DDCMS/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..083efadc72950a1d2607fb34d9d98532060d9404
--- /dev/null
+++ b/examples/DDCMS/CMakeLists.txt
@@ -0,0 +1,32 @@
+#==========================================================================
+#  AIDA Detector description implementation 
+#--------------------------------------------------------------------------
+# Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
+# All rights reserved.
+#
+# For the licensing terms see $DD4hepINSTALL/LICENSE.
+# For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+#
+#==========================================================================
+#
+# DDCMS is a detector description convention developed by the CMS experiment.
+#
+#==========================================================================
+cmake_minimum_required(VERSION 3.3 FATAL_ERROR)
+
+include ( ${DD4hep_DIR}/cmake/DD4hep.cmake )
+#------------------------------------------------------------------------------
+dd4hep_configure_output ()
+dd4hep_package (DDCMS MAJOR 0 MINOR 0 PATCH 1
+  USES         [ROOT   REQUIRED COMPONENTS Geom GenVector] 
+  [DD4hep REQUIRED COMPONENTS DDCore DDCMS]
+  OPTIONAL     XERCESC
+  INCLUDE_DIRS include )
+
+#------------------------------------------------------------------------------
+dd4hep_add_plugin(DDCMSexample SOURCES src/*.cpp)
+#---Package installation procedure(s) -----------------------------------------
+dd4hep_install_dir( data DESTINATION ${DD4hep_DIR}/examples/DDCMS )
+#---Testing--------------------------------------------------------------------
+dd4hep_configure_scripts ( DDCMS DEFAULT_SETUP WITH_TESTS )
+
diff --git a/examples/DDCMS/data/cms.xml b/examples/DDCMS/data/cms.xml
new file mode 100644
index 0000000000000000000000000000000000000000..7289b660af080ac777534e41c2bd438f1412dfc5
--- /dev/null
+++ b/examples/DDCMS/data/cms.xml
@@ -0,0 +1,120 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+	<ConstantsSection label="cms.xml" eval="true">
+		<Constant name="Rmin" value="[cmsextent:Rmin]"/>
+		<Constant name="Zmin" value="[cmsextent:Zmin]"/>
+		<Constant name="HallZ" value="[cmsextent:HallZ]"/>
+		<Constant name="HallR" value="[cmsextent:HallR]"/>
+		<Constant name="HallRMax" value="[cmsextent:HallRMax]"/>
+		<Constant name="CMSR1" value="[cmsextent:CMSR1]"/>
+		<Constant name="CMSR2" value="[cmsextent:CMSR2]"/>
+		<Constant name="CMSZ1" value="[cmsextent:CMSZ1]"/>
+		<Constant name="CMSZ2" value="[cmsextent:CMSZ2]"/>
+		<Constant name="TrackCalorR" value="1.233*m"/>
+		<Constant name="CalorMuonR"  value="2.950*m"/>
+		<Constant name="CalorMuonR2" value="2.810*m"/>
+		<Constant name="TrackBeamZ1" value="1.948*m"/>
+		<Constant name="TrackBeamZ2" value="2.935*m"/>
+		<Constant name="TrackBeamR1" value="3.15*cm"/>
+		<Constant name="TrackBeamR2" value="7.40*cm"/>
+		<Constant name="TrackLumiR1" value="7.70*cm"/>
+                <Constant name="TrackLumiR2Min"  value="3.3*cm"/>
+		<Constant name="TrackLumiZ1" value="1.722*m"/>
+		<Constant name="TrackLumiZ2" value="1.800*m"/>
+		<Constant name="CalorBeamZ1" value="3.180*m"/>
+		<Constant name="CalorBeamZ2" value="5.541*m"/>
+		<Constant name="CalorBeamZ3" value="5.245*m"/>
+		<Constant name="CalorBeamR1" value="8.00*cm"/>
+		<Constant name="CalorBeamR2" value="8.93*cm"/>
+		<Constant name="MuonBeamZ0" value="6.50*m"/>
+		<Constant name="MuonBeamZ1" value="7.499*m"/>
+		<Constant name="MuonBeamZ2" value="10.86*m"/>
+		<Constant name="MuonBeamR0" value="10.50*cm"/>
+		<Constant name="MuonBeamR1" value="11.785*cm"/>
+		<Constant name="MuonBeamR2" value="76.80*cm"/>
+		<Constant name="TotemMuonZ1" value="10.165*m"/>
+		<Constant name="TotemMuonZ2" value="10.50*m"/>
+		<Constant name="TotemMuonR1" value="1.0411*m"/>
+		<Constant name="TotemMuonR2" value="1.1300*m"/>
+		<Constant name="TotemBeamZ1" value="7.9500*m"/>
+		<Constant name="TotemBeamZ2" value="13.381*m"/>
+		<Constant name="TotemBeamZ3" value="13.439*m"/>
+		<Constant name="TotemBeamZ4" value="13.465*m"/>
+		<Constant name="TotemBeamR1" value="[MuonBeamR1]"/>
+		<Constant name="TotemBeamR2" value="12.15*cm"/>
+		<Constant name="TotemBeamR3" value="12.20*cm"/>
+		<Constant name="TotemBeamR4" value="3.675*cm"/>
+		<Constant name="TotemBeamR5" value="3.575*cm"/>
+		<Constant name="ForwdBeamZ1" value="10.539*m"/>
+		<Constant name="ForwdBeamZ2" value="13.109*m"/>
+		<Constant name="ForwdBeamZ3" value="13.290*m"/>
+		<Constant name="ForwdBeamZ4" value="16.0305*m"/>
+		<Constant name="ForwdBeamZ5" value="16.424*m"/>
+		<Constant name="ForwdBeamZ6" value="17.058*m"/>
+		<Constant name="ForwdBeamZ7" value="17.920*m"/>
+		<Constant name="ForwdBeamZ8" value="18.562*m"/>
+		<Constant name="ForwdBeamZ9" value="18.905*m"/>
+		<Constant name="ForwdBeamR0" value="15.95*cm"/>
+		<Constant name="ForwdBeamR1" value="12.495*cm"/>
+		<Constant name="ForwdBeamR2" value="12.50*cm"/>
+		<Constant name="ForwdBeamR3" value="25.0*cm"/>
+		<Constant name="ForwdBeamR4" value="2.85*cm"/>
+		<Constant name="ForwdBeamR5" value="7.50*cm"/>
+		<Constant name="ForwdBeamR6" value="20.5*cm"/>
+		<Constant name="ForwdBeamR7" value="4.00*cm"/>
+		<Constant name="ForwdBeamR8" value="2.15*cm"/>
+		<Constant name="ForwdVcalZ1" value="11.1495*m"/>
+		<Constant name="ForwdVcalZ2" value="12.8005*m"/>
+		<Constant name="ForwdVcalR1" value="1.595*m"/>
+		<Constant name="ForwdDetsZ1" value="16.0065*m"/>
+		<Constant name="ForwdDetsR1" value="33.00*cm"/>
+		<Constant name="MBarRmin" value="3.80*m"/>
+		<Constant name="MBarRmax" value="8.05*m"/>
+		<Constant name="MBarZ" value="6.61*m"/>
+		<Constant name="MBRingZ" value="1.268*m"/>
+		<Constant name="MBRing1Zpos" value="2.686*m"/>
+		<Constant name="MBRing2Zpos" value="5.342*m"/>
+		<Constant name="MEndcapZ0" value="6.59*m"/>
+		<Constant name="MEndcapZ1" value="6.835*m"/>
+		<Constant name="MERmin0" value="66.569*cm"/>
+		<Constant name="MERmin1" value="67.50*cm"/>
+		<Constant name="MERmin2" value="70.00*cm"/>
+		<Constant name="MERmin3" value="108.60*cm"/>
+	</ConstantsSection>
+	<SolidSection label="cms.xml">
+		<Polycone name="OCMS" startPhi="0*deg" deltaPhi="360*deg">
+			<ZSection z="-[CMSZ1]" rMin="[Rmin]" rMax="[CMSR2]"/>
+			<ZSection z="-[HallZ]" rMin="[Rmin]" rMax="[CMSR2]"/>
+			<ZSection z="-[HallZ]" rMin="[Rmin]" rMax="[HallRMax]"/>
+			<ZSection z="[HallZ]" rMin="[Rmin]" rMax="[HallRMax]"/>
+			<ZSection z="[HallZ]" rMin="[Rmin]" rMax="[CMSR2]"/>
+			<ZSection z="[CMSZ1]" rMin="[Rmin]" rMax="[CMSR2]"/>
+		</Polycone>
+		<Polycone name="CMSE" startPhi="0*deg" deltaPhi="360*deg">
+			<ZSection z="-[CMSZ1]" rMin="[Rmin]" rMax="[CMSR2]"/>
+			<ZSection z="-[CMSZ2]" rMin="[Rmin]" rMax="[CMSR2]"/>
+			<ZSection z="-[CMSZ2]" rMin="[Rmin]" rMax="[CMSR1]"/>
+			<ZSection z="[CMSZ2]" rMin="[Rmin]" rMax="[CMSR1]"/>
+			<ZSection z="[CMSZ2]" rMin="[Rmin]" rMax="[CMSR2]"/>
+			<ZSection z="[CMSZ1]" rMin="[Rmin]" rMax="[CMSR2]"/>
+		</Polycone>
+	</SolidSection>
+	<LogicalPartSection label="cms.xml">
+		<LogicalPart name="World" category="unspecified">
+			<rSolid name="OCMS"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="OCMS" category="unspecified">
+			<rSolid name="OCMS"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="MCMS" category="unspecified">
+			<rSolid name="OCMS"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="CMSE" category="unspecified">
+			<rSolid name="CMSE"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+	</LogicalPartSection>
+</DDDefinition>
diff --git a/examples/DDCMS/data/cms_tracker.xml b/examples/DDCMS/data/cms_tracker.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a48ea6be8461f7fbbbf3aa44c08390737804d168
--- /dev/null
+++ b/examples/DDCMS/data/cms_tracker.xml
@@ -0,0 +1,89 @@
+<?xml version="1.0"?>
+<DDDefinition>
+  <debug>
+    <debug_shapes/>
+    <debug_volumes/>
+    <debug_placements/>
+  </debug>
+  <ConstantsSection label="" eval="true">
+    <Constant name="world_x" value="5*m"/>
+    <Constant name="world_y" value="5*m"/>
+    <Constant name="world_z" value="5*m"/>
+    <Constant name="fm"      value="1e-12*m"/>
+    <Constant name="Air"     value="materials_Air"     type="string"/>
+    <Constant name="Vacuum"  value="materials_Vacuum"  type="string"/>
+  </ConstantsSection>
+
+  <VisSection>
+<!--   Unused stuff:
+    <vis name="Layer_pixbarlayer0_PixelBarrelLayer0"         alpha="1.0" r="1"    g="0"  b="1" showDaughters="true" visible="true"/>
+
+    <vis name="pixbarladderhalf_PixelBarrelModuleHalfMinus"         alpha="0.3" r="0.3"    g="0.3"  b="0.3" showDaughters="true" visible="true"/>
+    <vis name="pixbarladderhalf_PixelBarrelModuleHalfPlus"         alpha="0.3" r="0.3"    g="0.3"  b="0.3" showDaughters="true" visible="true"/>
+
+    <vis name="pixbarladderhalf_PixelBarrelROChipHalf"         alpha="0.5" r="0.3"    g="0.3"  b="0.3" showDaughters="true" visible="true"/>
+    <vis name="pixbarladderhalf_PixelBarrelSensorHalf"         alpha="1.0" r="0.9"    g="0.9"  b="0" showDaughters="true" visible="true"/>
+    <vis name="pixbarladderhalf_PixelBarrelActiveHalf"         alpha="1.0" r="0.9"    g="0.9"  b="0" showDaughters="true" visible="true"/>
+
+    <vis name="pixbarladderfull_PixelBarrelCFStripHoleFull"    alpha="0.3" r="0.3"  g="0.3"  b="0.3" showDaughters="true" visible="true"/>
+    <vis name="pixbarladderfull_PixelBarrelModuleFullMinus"         alpha="0.3" r="0.3"    g="0.3"  b="0.3" showDaughters="true" visible="true"/>
+    <vis name="pixbarladderfull_PixelBarrelModuleFullPlus"         alpha="0.3" r="0.3"    g="0.3"  b="0.3" showDaughters="true" visible="true"/>
+
+    <vis name="pixbarladderfull_PixelBarrelROChipFull"         alpha="1" r="0.1"    g="0.1"  b="0.1" showDaughters="true" visible="true"/>
+    <vis name="pixbarladderfull_PixelBarrelSensorFull"         alpha="1" r="0.9"    g="0.9"  b="0" showDaughters="true" visible="true"/>
+    <vis name="pixbarladderfull_PixelBarrelActiveFull"         alpha="1" r="0.9"    g="0.9"  b="0" showDaughters="true" visible="true"/>
+-->      
+
+ <!--  DO NOT REFORMAT PLEASE!!!!  Vis attributes represent volume hierarchy!  -->
+
+          <vis name="pixbarladderhalf_PixelBarrelCable1Half"     alpha="1.0"   r="0"    g="1"    b="1"   showDaughters="true" visible="true"/>
+          <vis name="pixbarladderhalf_PixelBarrelCable2Half"     alpha="1.0"   r="0"    g="1"    b="1"   showDaughters="true" visible="true"/>
+          <vis name="pixbarladderhalf_PixelBarrelCable3Half"     alpha="1.0"   r="0"    g="1"    b="1"   showDaughters="true" visible="true"/>
+          <vis name="pixbarladderhalf_PixelBarrelCable4Half"     alpha="1.0"   r="0"    g="1"    b="1"   showDaughters="true" visible="true"/>
+        <vis name="pixbarladderhalf_PixelBarrelCableBoxHalf"     alpha="0.4"   r="0.4"  g="0.2"  b="0.2" showDaughters="true" visible="true"/>
+        <vis name="pixbarladderhalf_PixelBarrelModuleBoxHalf"    alpha="0.6"   r="0.2"  g="0.2"  b="0.2" showDaughters="true" visible="true"/>
+        <vis name="pixbarladderhalf_PixelBarrelCFStripHalf"      alpha="1"     r="1"    g="0.1"  b="0.1" showDaughters="true" visible="true"/>
+      <vis name="pixbarladderhalf_PixelBarrelLadderHalf"         alpha="0.8"   r="0.6"  g="0.6"  b="0.0" showDaughters="true" visible="true"/>
+
+          <vis name="pixbarladderfull_PixelBarrelCable1Full"     alpha="1.0"   r="0"    g="1"    b="1"   showDaughters="true" visible="true"/>
+          <vis name="pixbarladderfull_PixelBarrelCable2Full"     alpha="1.0"   r="0"    g="1"    b="1"   showDaughters="true" visible="true"/>
+          <vis name="pixbarladderfull_PixelBarrelCable3Full"     alpha="1.0"   r="0"    g="1"    b="1"   showDaughters="true" visible="true"/>
+          <vis name="pixbarladderfull_PixelBarrelCable4Full"     alpha="1.0"   r="0"    g="1"    b="1"   showDaughters="true" visible="true"/>
+        <vis name="pixbarladderfull_PixelBarrelCableBoxFull"     alpha="0.4"   r="0.4"  g="0.2"  b="0.2" showDaughters="true" visible="true"/>
+        <vis name="pixbarladderfull_PixelBarrelModuleBoxFull"    alpha="0.6"   r="0.2"  g="0.2"  b="0.2" showDaughters="true" visible="true"/>
+        <vis name="pixbarladderfull_PixelBarrelCFStripFull"      alpha="1"     r="1"    g="0.1"  b="0.1" showDaughters="true" visible="true"/>
+      <vis name="pixbarladderfull_PixelBarrelLadderFull"         alpha="0.8"   r="0.6"  g="0.6"  b="0.0" showDaughters="true" visible="true"/>
+
+        <vis name="pixbarlayer0_PixelBarrelLayer0Coolant"        alpha="0.5"   r="0"    g="0.4"  b="0.6" showDaughters="true" visible="false"/>
+      <vis name="pixbarlayer0_PixelBarrelLayer0CoolTube"         alpha="1.0"   r="0"    g="0.2"  b="0.8" showDaughters="true" visible="true"/>
+    <vis name="pixbarlayer0_PixelBarrelLayer0"                   alpha="0.5"   r="0.6"  g="0.6"  b="0.6" showDaughters="true" visible="true"/>
+
+        <vis name="pixbarlayer1_PixelBarrelLayer1Coolant"        alpha="0.5"   r="0"    g="0.4"  b="0.6" showDaughters="true" visible="false"/>
+      <vis name="pixbarlayer1_PixelBarrelLayer1CoolTube"         alpha="1.0"   r="0"    g="0.2"  b="0.8" showDaughters="true" visible="true"/>
+    <vis name="pixbarlayer1_PixelBarrelLayer1"                   alpha="0.5"   r="0.6"  g="0.6"  b="0.6" showDaughters="true" visible="true"/>
+
+        <vis name="pixbarlayer2_PixelBarrelLayer2Coolant"        alpha="0.5"   r="0"    g="0.4"  b="0.6" showDaughters="true" visible="false"/>
+      <vis name="pixbarlayer2_PixelBarrelLayer2CoolTube"         alpha="1.0"   r="0"    g="0.2"  b="0.8" showDaughters="true" visible="true"/>
+    <vis name="pixbarlayer2_PixelBarrelLayer2"                   alpha="0.5"   r="0.6"  g="0.6"  b="0.6" showDaughters="true" visible="true"/>
+
+  </VisSection>
+
+  <IncludeSection>
+    <Include ref="materials.xml"/>
+    <Include ref="trackermaterial.xml"/>
+    <Include ref="pixfwdMaterials.xml"/>
+    <Include ref="pixbarmaterial.xml"/>
+    <Include ref="vacuum.xml"/>
+    <Include ref="cmsextent.xml"/>
+    <Include ref="cms.xml"/>
+    <Include ref="pixbar.xml"/>
+    <Include ref="pixbarladder.xml"/>
+    <Include ref="pixbarladderfull.xml"/>
+    <Include ref="pixbarladderhalf.xml"/>
+    <Include ref="pixbarlayer.xml"/>
+    <Include ref="pixbarlayer0.xml"/>
+    <Include ref="pixbarlayer1.xml"/>
+    <Include ref="pixbarlayer2.xml"/>
+
+  </IncludeSection>
+</DDDefinition>
diff --git a/examples/DDCMS/data/cmsextent.xml b/examples/DDCMS/data/cmsextent.xml
new file mode 100644
index 0000000000000000000000000000000000000000..e5f25f0bccf4ac73dfff50f71faa5cb383f4177c
--- /dev/null
+++ b/examples/DDCMS/data/cmsextent.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../../DetectorDescription/Schema/DDLSchema.xsd">
+	<ConstantsSection label="cmsextent.xml" eval="true">
+		<Constant name="Rmin" value="0*fm"/>
+		<Constant name="Zmin" value="0*fm"/>
+		<Constant name="HallZ" value="27.0*m"/>
+		<Constant name="HallR" value="13.0*m"/>
+		<Constant name="HallRMax" value="[HallR]"/>
+		<Constant name="CMSR1" value="8.30*m"/>
+		<Constant name="CMSR2" value="1.00*m"/>
+		<Constant name="CMSZ1" value="27.1*m"/>
+		<Constant name="CMSZ2" value="26.0*m"/>
+	</ConstantsSection>
+</DDDefinition>
diff --git a/examples/DDCMS/data/materials.xml b/examples/DDCMS/data/materials.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a159d384806b62e50d9d60d1821c97bbf27a2ec1
--- /dev/null
+++ b/examples/DDCMS/data/materials.xml
@@ -0,0 +1,4680 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+ <MaterialSection label="materials.xml">
+  <ElementaryMaterial name="Aluminium" density="2.7*g/cm3" symbol=" " atomicWeight="26.98*g/mole" atomicNumber="13"/>
+ <ElementaryMaterial name="TD_Aluminium" density="8.1*g/cm3" symbol=" " atomicWeight="26.98*g/mole" atomicNumber="13"/>
+  <ElementaryMaterial name="Antimony" density="6.679*g/cm3" symbol=" " atomicWeight="121.75*g/mole" atomicNumber="51"/>
+  <ElementaryMaterial name="Argon" density="1.639*mg/cm3" symbol=" " atomicWeight="39.948*g/mole" atomicNumber="18"/>
+  <ElementaryMaterial name="Arsenic" density="5.72*g/cm3" symbol=" " atomicWeight="74.922*g/mole" atomicNumber="33"/>
+  <ElementaryMaterial name="Barium" density="3.5*g/cm3" symbol=" " atomicWeight="137.33*g/mole" atomicNumber="56"/>
+  <ElementaryMaterial name="Beryllium" density="1.848*g/cm3" symbol=" " atomicWeight="9.0122*g/mole" atomicNumber="4"/>
+  <ElementaryMaterial name="Bismuth" density="9.37*g/cm3" symbol=" " atomicWeight="208.98*g/mole" atomicNumber="83"/>
+  <ElementaryMaterial name="Bor 10" density="2.34*g/cm3" symbol=" " atomicWeight="10*g/mole" atomicNumber="5"/>
+  <ElementaryMaterial name="Bor 11" density="2.34*g/cm3" symbol=" " atomicWeight="11*g/mole" atomicNumber="5"/>
+  <ElementaryMaterial name="Bromine" density="3.11*g/cm3" symbol=" " atomicWeight="79.904*g/mole" atomicNumber="35"/>
+  <ElementaryMaterial name="Cadmium" density="8.63*g/cm3" symbol=" " atomicWeight="112.41*g/mole" atomicNumber="48"/>
+  <ElementaryMaterial name="Calcium" density="1.55*g/cm3" symbol=" " atomicWeight="40.078*g/mole" atomicNumber="20"/>
+  <ElementaryMaterial name="Carbon" density="2.265*g/cm3" symbol=" " atomicWeight="12.011*g/mole" atomicNumber="6"/>
+  <ElementaryMaterial name="Cerium" density="6.637*g/cm3" symbol=" " atomicWeight="140.12*g/mole" atomicNumber="58"/>
+  <ElementaryMaterial name="Cesium" density="1.87*g/cm3" symbol=" " atomicWeight="132.9054*g/mole" atomicNumber="55"/>
+  <ElementaryMaterial name="Chlorine" density="1.56*g/cm3" symbol=" " atomicWeight="35.45*g/mole" atomicNumber="17"/>
+  <ElementaryMaterial name="Chromium" density="7.18*g/cm3" symbol=" " atomicWeight="51.996*g/mole" atomicNumber="24"/>
+  <ElementaryMaterial name="Cobalt" density="8.9*g/cm3" symbol=" " atomicWeight="58.933*g/mole" atomicNumber="27"/>
+  <ElementaryMaterial name="Copper" density="8.96*g/cm3" symbol=" " atomicWeight="63.546*g/mole" atomicNumber="29"/>
+  <ElementaryMaterial name="Deuterium" density="162*mg/cm3" symbol=" " atomicWeight="2.01*g/mole" atomicNumber="1"/>
+  <ElementaryMaterial name="Fluorine" density="1.108*g/cm3" symbol=" " atomicWeight="18.998*g/mole" atomicNumber="9"/>
+  <ElementaryMaterial name="Gallium" density="5.877*g/cm3" symbol=" " atomicWeight="69.723*g/mole" atomicNumber="31"/>
+  <ElementaryMaterial name="Germanium" density="5.323*g/cm3" symbol=" " atomicWeight="72.61*g/mole" atomicNumber="32"/>
+  <ElementaryMaterial name="Gold" density="18.85*g/cm3" symbol=" " atomicWeight="196.97*g/mole" atomicNumber="79"/>
+  <ElementaryMaterial name="Helium" density="125*mg/cm3" symbol=" " atomicWeight="4.0026*g/mole" atomicNumber="2"/>
+  <ElementaryMaterial name="Hydrogen" density="70.8*mg/cm3" symbol=" " atomicWeight="1.00794*g/mole" atomicNumber="1"/>
+  <ElementaryMaterial name="Indium" density="7.3*g/cm3" symbol=" " atomicWeight="114.82*g/mole" atomicNumber="49"/>
+  <ElementaryMaterial name="Iodine" density="7.3*g/cm3" symbol=" " atomicWeight="114.82*g/mole" atomicNumber="53"/>
+  <ElementaryMaterial name="Iron" density="7.87*g/cm3" symbol=" " atomicWeight="55.85*g/mole" atomicNumber="26"/>
+  <ElementaryMaterial name="Krypton" density="2.6*g/cm3" symbol=" " atomicWeight="83.8*g/mole" atomicNumber="36"/>
+  <ElementaryMaterial name="Lanthanum" density="6.127*g/cm3" symbol=" " atomicWeight="138.9055*g/mole" atomicNumber="57"/>
+  <ElementaryMaterial name="Lead" density="11.35*g/cm3" symbol=" " atomicWeight="207.19*g/mole" atomicNumber="82"/>
+  <ElementaryMaterial name="Lithium" density="534*mg/cm3" symbol=" " atomicWeight="6.941*g/mole" atomicNumber="3"/>
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+   <MaterialFraction fraction="0.12285748">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.035749337">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.29734771">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="2.9095785e-05">
+    <rMaterial name="materials:Nitrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.071569642">
+    <rMaterial name="materials:Argon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.093102596">
+    <rMaterial name="materials:Fluorine"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Cable_Si_1" density="1*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.61618264">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.082694045">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.044364552">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2563757">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00037658981">
+    <rMaterial name="materials:Nitrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="6.4825308e-06">
+    <rMaterial name="materials:Argon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Carbon fib.str." density="1.45*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.6470534">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.3529466">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Carbon fibre str." density="1.69*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.84491305">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.042542086">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.11254487">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Carbon_fibre_str_Upgrade2" density="0.845*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.84491305">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.042542086">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.11254487">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>  
+  <CompositeMaterial name="Carbon fibre st_b" density="1.69*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Carbon fibre str."/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <!-- Phase1 BPIX CFStrip material as defined by W. Bertl-->
+  <CompositeMaterial name="CFK" density="1.575*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <!-- Phase1 BPIX micro-twisted pairs signal cables material as defined by W. Bertl -->
+  <CompositeMaterial name="micro_twisted_signal_cable" density="4.09*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.476683">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.274139">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.1494102">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.02006116">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.07960754">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <!-- Phase1 BPIX micro-twisted pairs power cables material as defined by W. Bertl -->
+  <CompositeMaterial name="micro_twisted_power_cable" density="3.42*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.751011">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.138483">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.066287">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0089008">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0353182">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+
+  <!--OUTDATED Phase1 BPIX micro-twisted pairs boundle material as defined by W. Bertl, effective density defined to matcht the measured weigth (0.0071+0.0208 g/cm) in a single 1.5mm diam. boundle-->
+  <CompositeMaterial name="micro_twisted_boundle" density="1.585*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.7455">
+    <rMaterial name="materials:micro_twisted_power_cable"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2545">
+    <rMaterial name="materials:micro_twisted_signal_cable"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+
+  <!--Phase1 BPIX micro-twisted pairs boundle material as defined by L. Caminada-->
+  <CompositeMaterial name="micro_twisted_power_cable" density="3.639*g/cm3" symbol=" " method="mixture by weight">
+    <MaterialFraction fraction="0.36933">
+      <rMaterial name="trackermaterial:T_Copper"/>
+    </MaterialFraction>
+    <MaterialFraction fraction="0.63067">
+      <rMaterial name="trackermaterial:T_Aluminium"/>
+    </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="micro_twisted_boundle_1" density="2.93382*g/cm3" symbol=" " method="mixture by weight"> <!--for L1-->
+   <MaterialFraction fraction="0.04631">
+    <rMaterial name="trackermaterial:T_Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.95369">
+    <rMaterial name="materials:micro_twisted_power_cable"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="micro_twisted_boundle_2" density="2.91735*g/cm3" symbol=" " method="mixture by weight"> <!--for L2,3,4-->
+   <MaterialFraction fraction="0.04964">
+    <rMaterial name="trackermaterial:T_Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.95036">
+    <rMaterial name="materials:micro_twisted_power_cable"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+
+  <CompositeMaterial name="Carbon_fibre_str_Upgrade" density="0.293*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Carbon fibre str."/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Ce F_3" density="6.16*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.71085768">
+    <rMaterial name="materials:Cerium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.28914232">
+    <rMaterial name="materials:Fluorine"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Ceramic" density="3.96525*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.52924272">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.47075728">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Coil average" density="5.10794*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.98933034">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.010669663">
+    <rMaterial name="materials:Helium"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Colmanite Barite" density="3.2*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.0033244208">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.32054568">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.019644903">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00631619">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.021681066">
+    <rMaterial name="materials:Iron"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.024762714">
+    <rMaterial name="materials:Calcium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00091831559">
+    <rMaterial name="materials:Magnesium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0071874954">
+    <rMaterial name="materials:Sodium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00057930956">
+    <rMaterial name="materials:Potassium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="8.1400861e-05">
+    <rMaterial name="materials:Manganese"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0019024847">
+    <rMaterial name="materials:Bor 10"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0083709328">
+    <rMaterial name="materials:Bor 11"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.47400649">
+    <rMaterial name="materials:Barium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.1106786">
+    <rMaterial name="materials:Sulfur"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Connector" density="1.119*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.12175975">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.029972928">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.075860931">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.77184835">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00054859821">
+    <rMaterial name="materials:Nitrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="9.4434439e-06">
+    <rMaterial name="materials:Argon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Coolant" density="1.52*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.012092387">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.063980691">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.24016253">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.68376439">
+    <rMaterial name="materials:Fluorine"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Thick_Copper" density="8.96*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Crack average" density="1.85*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.1922">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0242">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2836">
+    <rMaterial name="materials:Chlorine"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.5">
+    <rMaterial name="materials:Phosphor"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Cu/Quartz" density="1*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.0081131524">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0092418886">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0011862487">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00011002641">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.98134868">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Cu/Sci spaghetti mix" density="1*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.012637483">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0017671321">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00040177288">
+    <rMaterial name="materials:Bor 11"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00010044322">
+    <rMaterial name="materials:Bor 10"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0022298395">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.98286333">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Cu/Scintillator/PolB" density="1*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.013621137">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0018577191">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.98179207">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00040133497">
+    <rMaterial name="materials:Bor 11"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00010033374">
+    <rMaterial name="materials:Bor 10"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0022274091">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="DTBX gas" density="1.695*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.049996061">
+    <rMaterial name="materials:Argon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.25927645">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.69072749">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Dead_Argon CF_4 CO_2" density="2.14154*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.22960113">
+    <rMaterial name="materials:Argon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.16306585">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.29868266">
+    <rMaterial name="materials:Fluorine"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.30865037">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Doped Quartz" density="2.5*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.28638718">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.32623058">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.38738224">
+    <rMaterial name="materials:Fluorine"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Double-sided MSGC el" density="2.35*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.15487536">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0062815446">
+    <rMaterial name="materials:Tin"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.062222733">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.30743601">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.12068891">
+    <rMaterial name="materials:Beryllium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.30724234">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.041253098">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Double-sided MSGCsub" density="2.207*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.20936607">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.36666251">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.01999014">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.36881246">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.035168818">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Double-sided Si elec" density="2.392*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.25534309">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.013472574">
+    <rMaterial name="materials:Tin"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.058711815">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.1751292">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.023514409">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.24970935">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.22411956">
+    <rMaterial name="materials:Beryllium"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="DropsPolyethylene" density="450*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.85628451">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.14371549">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="EAPD_Silicon" density="2.33*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="E_Air" density="1.205*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.7494">
+    <rMaterial name="materials:Nitrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2369">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0129">
+    <rMaterial name="materials:Argon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0008">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="E_Aluminium" density="2.7*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="E_CablPP1" density="1.6*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.51322876">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.33317259">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.12086275">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.032735911">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="E_CablPP2" density="700*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.51322876">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.33317259">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.12086275">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.032735911">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="E_CablPP3" density="400*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.51322876">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.33317259">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.12086275">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.032735911">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="E_CablPP4" density="300*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.51322876">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.33317259">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.12086275">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.032735911">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="E_Cables" density="2.68*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.586">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.259">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.138">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.017">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="DD_E_Cables" density="5.36*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.586">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.259">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.138">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.017">
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+   <MaterialFraction fraction="0.0008">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Argon CF_4 CO_2" density="2.1416*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.22960113">
+    <rMaterial name="materials:Argon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.16306585">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.29868266">
+    <rMaterial name="materials:Fluorine"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.30865037">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Bronze" density="8.89*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.94059406">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.059405941">
+    <rMaterial name="materials:Tin"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Carbon fibre str." density="1.69*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.84491305">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.042542086">
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+   </MaterialFraction>
+   <MaterialFraction fraction="0.11254487">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Foam" density="100*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.85628451">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.14371549">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Kapton" density="1.4*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.59985105">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.080541353">
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+   </MaterialFraction>
+   <MaterialFraction fraction="0.31960759">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_MSGC-Average" density="230*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.8">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_OPC" density="1.05917*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.33154227">
+    <rMaterial name="materials:Iron"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.38182349">
+    <rMaterial name="materials:Carbon"/>
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+   <MaterialFraction fraction="0.064261825">
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+   <MaterialFraction fraction="0.16677931">
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+   <MaterialFraction fraction="0.052722204">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0028709009">
+    <rMaterial name="materials:Argon"/>
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+  </CompositeMaterial>
+  <CompositeMaterial name="T_OP_cable" density="601.463*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.0086851733">
+    <rMaterial name="materials:Silicon"/>
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+   <MaterialFraction fraction="0.10083068">
+    <rMaterial name="materials:Oxygen"/>
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+   <MaterialFraction fraction="0.51167977">
+    <rMaterial name="materials:Carbon"/>
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+   <MaterialFraction fraction="0.086185453">
+    <rMaterial name="materials:Hydrogen"/>
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+   <MaterialFraction fraction="0.28766708">
+    <rMaterial name="materials:Nitrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0049518353">
+    <rMaterial name="materials:Argon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Pix_Bar_Det" density="2.33*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Pix_Bar_Hybrid" density="3.918*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.12227401">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.020384302">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.23710889">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.24417229">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.17802235">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.19803815">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Pix_Bar_Readout" density="2.33*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Pix_Fwd_Det" density="2.33*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Pix_Fwd_Readout" density="2.17525*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.84842968">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.063360581">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.015596821">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.039385794">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.033227128">
+    <rMaterial name="materials:Indium"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Silicon" density="2.33*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="T_Silicon Detector" density="2.33*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Teflon" density="2.2*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.24018637">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.75981363">
+    <rMaterial name="materials:Fluorine"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Ti_2 O_3" density="4.6*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.66612408">
+    <rMaterial name="materials:Titanium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.33387592">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Tk_Cable_1" density="942.8*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.4364364">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.19550706">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.031331664">
+    <rMaterial name="materials:Hydrogen"/>
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+   <MaterialFraction fraction="0.060965631">
+    <rMaterial name="materials:Iron"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.043156039">
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+   <MaterialFraction fraction="0.041667015">
+    <rMaterial name="materials:Fluorine"/>
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+   <MaterialFraction fraction="0.15813109">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.032805106">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Tk_square_bundles" density="971*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.45591441">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.20422984">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.032729696">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.063679098">
+    <rMaterial name="materials:Iron"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.045081214">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.043521896">
+    <rMaterial name="materials:Fluorine"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.12057473">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.03426911">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Tk_support" density="5.25617*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Iron"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="V_Air" density="1.205*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.7494">
+    <rMaterial name="materials:Nitrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2369">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0129">
+    <rMaterial name="materials:Argon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0008">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="V_Iron" density="7.87*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Iron"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="V_Quartz" density="2.64*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.46748103">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.53251897">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Vcal C4H10" density="2.67*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.82658619">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.17341381">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Vcal CO2" density="1.98*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.27292145">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.72707855">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Vcal average" density="7.55*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.0012701968">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0015979957">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0042923919">
+    <rMaterial name="materials:Manganese"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00017895477">
+    <rMaterial name="materials:Sulfur"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00012825134">
+    <rMaterial name="materials:Phosphor"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="9.5096736e-05">
+    <rMaterial name="materials:Nickel"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0002974393">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00069942512">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.99136248">
+    <rMaterial name="materials:Iron"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="7.7766882e-05">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="W/Sci spaghetti mix" density="1*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.0059212984">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00082799058">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00018825087">
+    <rMaterial name="materials:Bor 11"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="4.7062717e-05">
+    <rMaterial name="materials:Bor 10"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0010447923">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.99197061">
+    <rMaterial name="materials:Tungsten"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Water" density="1*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.11190083">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.88809917">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Wood" density="500*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.11684213">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.88315787">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="YokeSteel" density="7.87*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.001">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.001">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.004">
+    <rMaterial name="materials:Manganese"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.01">
+    <rMaterial name="materials:Nickel"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0015">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.9825">
+    <rMaterial name="materials:Iron"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="active_screen" density="11.197*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.025418913">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.085235146">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.50483588">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.38451007">
+    <rMaterial name="materials:Fluorine"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="c_Peek" density="1.8*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.45427914">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.11182521">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.36306779">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.070827858">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="HV_Cu/QFib_mx." density="7.30515*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.0247913">
+    <rMaterial name="materials:QuartzFibers"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00471238  ">
+    <rMaterial name="materials:Polystyrene"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.04296 ">
+    <rMaterial name="materials:Air"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.927536">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Borosilicate_Glass" density="2.51*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.303594">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0452533">
+    <rMaterial name="materials:Sodium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0556199">
+    <rMaterial name="materials:Potassium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0449903">
+    <rMaterial name="materials:Zinc"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0222285">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0245335">
+    <rMaterial name="materials:Boron"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0239803">
+    <rMaterial name="materials:Titanium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00459437">
+    <rMaterial name="materials:Antimony"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00001">
+    <rMaterial name="materials:Chromium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.475195">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Silicone_Gel" density="0.965*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.3866">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0973">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.3616">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.1545">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Barium_Titanate" density="6.02*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.5889">
+    <rMaterial name="materials:Barium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2053">
+    <rMaterial name="materials:Titanium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2058">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="E_PolyGrains" density="589*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.85628451">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.14371549">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="CuNi" density="8.94*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.7">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.3">
+    <rMaterial name="materials:Nickel"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Acrylate" density="1170*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.55814">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.06977">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.37209">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Inconel600" density="8.47*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.7200">
+    <rMaterial name="materials:Nickel"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0285">
+    <rMaterial name="materials:Cobalt"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.1500">
+    <rMaterial name="materials:Chromium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0800">
+    <rMaterial name="materials:Iron"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0015">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0100">
+    <rMaterial name="materials:Manganese"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0050">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0050">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Kevlar" density="1.44*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.71180785">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.11852895">
+    <rMaterial name="materials:Nitrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.12699531">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.04266788">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <!-- Tracker Cooling Fluids INIT -->
+  <!-- 3M type is the old one used for Thermal Screen only -->
+  <CompositeMaterial name="C6F14_3M_-15C" density="1.80340*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:C6F14"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <!-- F2 type is the new one used for subdetectors and preshower -->
+  <CompositeMaterial name="C6F14_F2_-30C" density="1.87917*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:C6F14"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="C6F14_F2_-20C" density="1.84675*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:C6F14"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="C6F14_F2_-10C" density="1.82033*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:C6F14"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="CO2_Upgrade" density="0.2033*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00000000">
+    <rMaterial name="materials:Vcal CO2"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Bpix_CO2_-20C" density="1.0327*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.27292145">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.72707855">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>  
+  <!-- Tracker Cooling Fluids END -->
+  <!-- CASTOR materials -->
+  <CompositeMaterial name="Castor_QuartzFibers/Air_mx" density="2.1743080*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.9999233027749">
+    <rMaterial name="materials:QuartzFibers"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0000766972251">
+    <rMaterial name="materials:Air"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Castor_Bundle6_QF/Air_mx" density="0.4808336*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.99800842127">
+    <rMaterial name="materials:QuartzFibers"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00199157873">
+    <rMaterial name="materials:Air"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Castor_Bundle5_QF/Air_mx" density="0.5726188*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.99841066074">
+    <rMaterial name="materials:QuartzFibers"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00158933926">
+    <rMaterial name="materials:Air"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Castor_Bundle4_QF/Air_mx" density="0.7092276*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.99881654262">
+    <rMaterial name="materials:QuartzFibers"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00118345738">
+    <rMaterial name="materials:Air"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Castor_Bundle3_QF/Air_mx" density="1.1048788*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.99942577695">
+    <rMaterial name="materials:QuartzFibers"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00057422305">
+    <rMaterial name="materials:Air"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Castor_Bundle2_QF/Air_mx" density="1.5612536*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.99974500842">
+    <rMaterial name="materials:QuartzFibers"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00025499158">
+    <rMaterial name="materials:Air"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Castor_Bundle1_QF/Air_mx" density="2.2522530*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.99998212349">
+    <rMaterial name="materials:QuartzFibers"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00001787651">
+    <rMaterial name="materials:Air"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Castor_LMixer_QF/Air_mx" density="2.2834241*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.99998943692">
+    <rMaterial name="materials:QuartzFibers"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.00001056308">
+    <rMaterial name="materials:Air"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Castor_Electronics averag" density="1.4881*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.000560">
+    <rMaterial name="materials:Air"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.999440">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Castor_Paper" density="1.55*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.448">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.056">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.496">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Castor_Coolant" density="1.52*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.012092387">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.063980691">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.24016253">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.68376439">
+    <rMaterial name="materials:Fluorine"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="AlBeMet" density="2.071*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.380">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.615">
+    <rMaterial name="materials:Beryllium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0005">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0045">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="M_Rdout_Brd" density="1.79*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.98667">
+    <rMaterial name="materials:G10"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.01333">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="M_Kapton_Cu" density="1.24*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.9836">
+    <rMaterial name="materials:Kapton"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0164">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="M_GEM_Gas" density="1.8*mg/cm3" symbol=" " method="mixture by weight">
+    <MaterialFraction fraction="0.60">
+    <rMaterial name="materials:Argon"/>
+    </MaterialFraction>
+   <MaterialFraction fraction="0.083">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.145">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.172">
+    <rMaterial name="materials:Fluorine"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="M_GEM_Foil" density="1.74*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.6565">
+    <rMaterial name="materials:Kapton"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.1013">
+    <rMaterial name="materials:Copper"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2422">
+    <rMaterial name="materials:M_GEM_Gas"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Diamond" density="3.52*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="1.00">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+  </CompositeMaterial>   
+  <!--Materials added for BHM-->
+    <CompositeMaterial name="BorosilicateGlass" density="2.23*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.377220">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.028191">
+    <rMaterial name="materials:Sodium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.003321">
+    <rMaterial name="materials:Potassium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.539562">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.011644">
+    <rMaterial name="materials:Aluminium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.040064">
+    <rMaterial name="materials:Boron"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Bialkali" density="4.28*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.133">
+    <rMaterial name="materials:Potassium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.452">
+    <rMaterial name="materials:Cesium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.415">
+    <rMaterial name="materials:Antimony"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="RTV" density="1.02*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.0811">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.3790">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.3241">
+    <rMaterial name="materials:Carbon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2158">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="LYSO" density="7.11*g/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.7145">
+    <rMaterial name="materials:Lutecium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0403">
+    <rMaterial name="materials:Yttrium"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0637">
+    <rMaterial name="materials:Silicon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.1815">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+ </MaterialSection>
+</DDDefinition>
diff --git a/examples/DDCMS/data/pixbar.xml b/examples/DDCMS/data/pixbar.xml
new file mode 100644
index 0000000000000000000000000000000000000000..87748ba044e7a973e4106476ef2de9f64d658469
--- /dev/null
+++ b/examples/DDCMS/data/pixbar.xml
@@ -0,0 +1,495 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+	<ConstantsSection label="pixbar.xml" eval="true">
+		<Constant name="zero" value="0.0*fm"/>
+		<Constant name="Rin1" value="[cms:TrackBeamR1]"/>
+		<Constant name="Rin2" value="18.00*cm"/>
+		<Constant name="Rin3" value="18.50*cm"/>
+		<Constant name="RinSupTubCab" value="15.00*cm"/>
+		<Constant name="Rout1" value="21.80*cm"/>
+		<Constant name="Rout2" value="21.00*cm"/>
+		<Constant name="Zv1" value="30.00*cm"/>
+		<Constant name="Zv2" value="56.00*cm"/>
+		<Constant name="Zv3" value="110.5*cm"/>
+		<Constant name="Zv4" value="282.0*cm"/>
+		<Constant name="ZvSupTubCab" value="248.0*cm"/>
+		<Constant name="SupportL" value="221.0*cm"/>
+		<Constant name="SupportRin" value="21.65*cm"/>
+		<Constant name="SupportW" value="20.00*cm"/>
+		<Constant name="SupportT" value="0.350*cm"/>
+		<Constant name="SupportY" value="19.00*cm"/>
+		<Constant name="ShieldL" value="55.40*cm"/>
+		<Constant name="Shield1Rin" value="3.700*cm"/>
+		<Constant name="Shield1Rout" value="3.705*cm"/>
+		<Constant name="Shield2Rout" value="3.730*cm"/>
+		<Constant name="Shield3Rin" value="18.470*cm"/>
+		<Constant name="Shield3Rout" value="18.475*cm"/>
+		<Constant name="FlangeRin" value="10.600*cm"/>
+		<Constant name="FlangeT" value="0.600*cm"/>
+		<Constant name="FlangeZ" value="28.00*cm"/>
+		<Constant name="FlangeHCT" value="0.528*cm"/>
+		<Constant name="Cable1Rin" value="4.500*cm"/>
+		<Constant name="Cable1T1" value="0.0127*cm"/>
+		<Constant name="Cable1T2" value="0.0479*cm"/>
+		<Constant name="Cable2Rin" value="7.500*cm"/>
+		<Constant name="Cable2T1" value="0.0207*cm"/>
+		<Constant name="Cable2T2" value="0.0469*cm"/>
+		<Constant name="Cable3Rin" value="11.00*cm"/>
+		<Constant name="Cable3T1" value="0.0410*cm"/>
+		<Constant name="Cable3T2" value="0.06336*cm"/>
+		<Constant name="CableRout" value="17.0*cm"/>
+		<Constant name="Conn1T" value="0.190*cm"/>
+		<Constant name="Cable3Z1" value="[FlangeZ]-[FlangeT]/2-[Conn1T]"/>
+		<Constant name="Cable3Z2" value="[Cable3Z1]-[Cable3T1]"/>
+		<Constant name="Cable3Z3" value="[Cable3Z1]-[Cable3T2]"/>
+		<Constant name="Cable2Z1" value="[FlangeZ]+[FlangeT]/2+[Conn1T]"/>
+		<Constant name="Cable2Z2" value="[Cable2Z1]+[Cable2T1]"/>
+		<Constant name="Cable2Z3" value="[Cable2Z1]+[Cable2T2]"/>
+		<Constant name="Cable1Z1" value="[Cable2Z3]"/>
+		<Constant name="Cable1Z2" value="[Cable1Z1]+[Cable1T1]"/>
+		<Constant name="Cable1Z3" value="[Cable1Z1]+[Cable2T2]"/>
+		<!--
+		     <Constant name="Cable3Z1"          value="[FlangeZ]+[FlangeT]/2"/>
+		     <Constant name="Cable3Z2"          value="[Cable3Z1]+[Cable3T]"/>
+		     <Constant name="Cable2Z1"          value="[Cable3Z1]+[CableT]"/>
+		     <Constant name="Cable2Z2"          value="[Cable2Z1]+[Cable2T]"/>
+		     <Constant name="Cable1Z1"          value="[Cable2Z1]+[CableT]"/>
+		     <Constant name="Cable1Z2"          value="[Cable1Z1]+[Cable1T]"/>
+		     <Constant name="Cable0Z1"          value="[Cable1Z1]+[CableT]"/>
+		     -->
+		<Constant name="Cool1Rin" value="4.00*cm"/>
+		<Constant name="Cool2Rin" value="6.90*cm"/>
+		<Constant name="Cool3Rin" value="9.70*cm"/>
+		<Constant name="CoolDR" value="0.88*cm"/>
+		<Constant name="CoolT" value="0.50*cm"/>
+		<Constant name="CoolZ" value="[FlangeZ]"/>
+		<Constant name="Cool1Rout" value="[Cool1Rin]+[CoolDR]"/>
+		<Constant name="Cool2Rout" value="[Cool2Rin]+[CoolDR]"/>
+		<Constant name="Cool3Rout" value="[Cool3Rin]+[CoolDR]"/>
+		<Constant name="Conn1Rin" value="12.00*cm"/>
+		<Constant name="Conn2Rin" value="11.00*cm"/>
+		<Constant name="Conn1Z" value="[FlangeZ]-[FlangeT]/2-[Conn1T]/2"/>
+		<Constant name="Conn2Z" value="[FlangeZ]+[FlangeT]/2+[Conn1T]/2"/>
+		<Constant name="Conn3Rout" value="19.0*cm"/>
+		<Constant name="Conn3Rin" value="18.0*cm"/>
+		<Constant name="Conn4Rin" value="18.0*cm"/>
+		<Constant name="ConnToSTT" value="3.00*cm"/>
+		<Constant name="ConnToSTRin" value="18.0*cm"/>
+		<Constant name="ConnToSTRout" value="18.8*cm"/>
+		<Constant name="Conn3T" value="49.3*cm"/>
+		<Constant name="Conn4T" value="120.00*cm"/>
+		<Constant name="ConnToSTZ" value="30.50*cm"/>
+		<Constant name="Conn3Z" value="56.65*cm"/>
+		<Constant name="Conn4Z" value="[Conn3Z]+                                            ([Conn3T]+[Conn4T])/2"/>
+		<Constant name="ServiceRout" value="21.0*cm"/>
+		<Constant name="ServiceRin" value="18.0*cm"/>
+		<Constant name="ServT" value="48.5*cm"/>
+		<Constant name="ServZ" value="[Conn4Z]+                                            ([Conn4T]+[ServT])/2"/>
+		<Constant name="ServCablT" value="32.2*cm"/>
+		<Constant name="ServCablZ" value="[ServZ]+[ServT]/2+[ServCablT]/2"/>
+		<Constant name="RadialCoolZ" value="29.5*cm"/>
+		<Constant name="RadialCoolDZ" value="1.0*cm"/>
+		<Constant name="RadialCoolRin" value="4.0*cm"/>
+	</ConstantsSection>
+	<RotationSection label="pixbar.xml">
+		<Rotation name="180D" thetaX="90*deg" phiX="180*deg" thetaY="90*deg" phiY="90*deg" thetaZ="180*deg" phiZ="0*deg"/>
+	</RotationSection>
+	<SolidSection label="pixbar.xml">
+		<Polycone name="PixelBarrel" startPhi="0*deg" deltaPhi="360*deg">
+			<ZSection z="-[Zv4]" rMin="[RinSupTubCab]" rMax="[Rout2]"/>
+			<ZSection z="-[ZvSupTubCab]" rMin="[RinSupTubCab]" rMax="[Rout2]"/>
+			<ZSection z="-[ZvSupTubCab]" rMin="[Rin2]" rMax="[Rout2]"/>
+			<ZSection z="-[Zv3]" rMin="[Rin2]" rMax="[Rout2]"/>
+			<ZSection z="-[Zv3]" rMin="[Rin2]" rMax="[Rout1]"/>
+			<ZSection z="-[Zv1]" rMin="[Rin2]" rMax="[Rout1]"/>
+			<ZSection z="-[Zv1]" rMin="[Rin1]" rMax="[Rout1]"/>
+			<ZSection z="[Zv1]" rMin="[Rin1]" rMax="[Rout1]"/>
+			<ZSection z="[Zv1]" rMin="[Rin2]" rMax="[Rout1]"/>
+			<ZSection z="[Zv3]" rMin="[Rin2]" rMax="[Rout1]"/>
+			<ZSection z="[Zv3]" rMin="[Rin2]" rMax="[Rout2]"/>
+			<ZSection z="[ZvSupTubCab]" rMin="[Rin2]" rMax="[Rout2]"/>
+			<ZSection z="[ZvSupTubCab]" rMin="[RinSupTubCab]" rMax="[Rout2]"/>
+			<ZSection z="[Zv4]" rMin="[RinSupTubCab]" rMax="[Rout2]"/>
+		</Polycone>
+		<Tubs name="PixelBarrelSuppTub" rMin="[SupportRin]" rMax="[Rout1]" dz="[SupportL]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<Box name="PixelBarrelSuppBox" dx="[SupportW]/2" dy="[SupportT]/2" dz="[SupportL]/2"/>
+		<Tubs name="PixelBarrelShield1" rMin="[Shield1Rin]" rMax="[Shield1Rout]" dz="[ShieldL]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<Tubs name="PixelBarrelShield2" rMin="[Shield1Rout]" rMax="[Shield2Rout]" dz="[ShieldL]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<Tubs name="PixelBarrelShield3" rMin="[Shield3Rin]" rMax="[Shield3Rout]" dz="[ShieldL]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<Tubs name="PixelBarrelShield4" rMin="[Shield3Rout]" rMax="[Rin3]" dz="[ShieldL]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<Tubs name="PixelBarrelFlange" rMin="[FlangeRin]" rMax="[Rin2]" dz="[FlangeT]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<!-- <Tubs name="PixelBarrelFlangIn" rMin="[FlangeRin]"      rMax="[Rin2]"
+		     dz="[FlangeHCT]/2"        startPhi="0*deg"        deltaPhi="360*deg"/> -->
+		<Tubs name="PixelBarrelRadialCooling" rMin="[RadialCoolRin]" rMax="[Rin2]" dz="[RadialCoolDZ]/2" startPhi="290*deg" deltaPhi="140*deg"/>
+		<Polycone name="PixelBarrelCable1" startPhi="0*deg" deltaPhi="360*deg">
+			<ZSection z="[Cable1Z1]" rMin="[Cable1Rin]" rMax="[CableRout]"/>
+			<ZSection z="[Cable1Z2]" rMin="[Cable1Rin]" rMax="[CableRout]"/>
+			<ZSection z="[Cable1Z3]" rMin="[Cable1Rin]" rMax="[Cable1Rin]"/>
+		</Polycone>
+		<Polycone name="PixelBarrelCable2" startPhi="0*deg" deltaPhi="360*deg">
+			<ZSection z="[Cable2Z1]" rMin="[Cable2Rin]" rMax="[CableRout]"/>
+			<ZSection z="[Cable2Z2]" rMin="[Cable2Rin]" rMax="[CableRout]"/>
+			<ZSection z="[Cable2Z3]" rMin="[Cable2Rin]" rMax="[Cable2Rin]"/>
+		</Polycone>
+		<Polycone name="PixelBarrelCable3" startPhi="0*deg" deltaPhi="360*deg">
+			<ZSection z="[Cable3Z1]" rMin="[Cable3Rin]" rMax="[CableRout]"/>
+			<ZSection z="[Cable3Z2]" rMin="[Cable3Rin]" rMax="[CableRout]"/>
+			<ZSection z="[Cable3Z3]" rMin="[Cable3Rin]" rMax="[Cable3Rin]"/>
+		</Polycone>
+		<Tubs name="PixelBarrelCool1" rMin="[Cool1Rin]" rMax="[Cool1Rout]" dz="[CoolT]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<Tubs name="PixelBarrelCool2" rMin="[Cool2Rin]" rMax="[Cool2Rout]" dz="[CoolT]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<Tubs name="PixelBarrelCool3" rMin="[Cool3Rin]" rMax="[Cool3Rout]" dz="[CoolT]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<Tubs name="PixelBarrelConn1" rMin="[Conn1Rin]" rMax="[Shield3Rin]" dz="[Conn1T]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<Tubs name="PixelBarrelConn2" rMin="[Conn2Rin]" rMax="[Shield3Rin]" dz="[Conn1T]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<Tubs name="PixelBarrelConnToST" rMin="[ConnToSTRin]" rMax="[ConnToSTRout]" dz="[ConnToSTT]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+		<Tubs name="PixelBarrelConn3" rMin="[Conn3Rin]" rMax="[Conn3Rout]" dz="[Conn3T]/2" startPhi="285*deg" deltaPhi="150*deg"/>
+		<Tubs name="PixelBarrelConn4" rMin="[Conn4Rin]" rMax="[Conn3Rout]" dz="[Conn4T]/2" startPhi="285*deg" deltaPhi="150*deg"/>
+		<Tubs name="PixelBarrelService" rMin="[ServiceRin]" rMax="[ServiceRout]" dz="[ServT]/2" startPhi="293*deg" deltaPhi="134*deg"/>
+		<Tubs name="PixelBarrelSupTubCables" rMin="[RinSupTubCab]" rMax="[Conn3Rout]" dz="[ServCablT]/2" startPhi="0*deg" deltaPhi="360*deg"/>
+	</SolidSection>
+	<LogicalPartSection label="pixbar.xml">
+		<LogicalPart name="PixelBarrel" category="unspecified">
+			<rSolid name="PixelBarrel"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelSuppTub" category="unspecified">
+			<rSolid name="PixelBarrelSuppTub"/>
+			<rMaterial name="trackermaterial:T_CarbonFibreStr"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelSuppBox" category="unspecified">
+			<rSolid name="PixelBarrelSuppBox"/>
+			<rMaterial name="trackermaterial:T_CarbonFibreStr"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelShield1" category="unspecified">
+			<rSolid name="PixelBarrelShield1"/>
+			<rMaterial name="trackermaterial:T_Aluminium"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelShield2" category="unspecified">
+			<rSolid name="PixelBarrelShield2"/>
+			<rMaterial name="trackermaterial:T_Kevlar"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelShield3" category="unspecified">
+			<rSolid name="PixelBarrelShield3"/>
+			<rMaterial name="trackermaterial:T_Aluminium"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelShield4" category="unspecified">
+			<rSolid name="PixelBarrelShield4"/>
+			<rMaterial name="trackermaterial:T_Kevlar"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelFlange" category="unspecified">
+			<rSolid name="PixelBarrelFlange"/>
+			<rMaterial name="pixbarmaterial:FlangeOuter_Layer3"/>
+		</LogicalPart>
+		<!-- <LogicalPart name="PixelBarrelFlangIn" category="unspecified">
+		     <rSolid name="PixelBarrelFlangIn"/>
+		     <rMaterial name="pixbarmaterial:Pix_Bar_Ring_HC"/>
+		</LogicalPart> -->
+		<LogicalPart name="PixelBarrelRadialCooling" category="unspecified">
+			<rSolid name="PixelBarrelRadialCooling"/>
+			<rMaterial name="pixbarmaterial:silicone_pipes_plus_coolant"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCable1" category="unspecified">
+			<rSolid name="PixelBarrelCable1"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Cable"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCable2" category="unspecified">
+			<rSolid name="PixelBarrelCable2"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Cable"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCable3" category="unspecified">
+			<rSolid name="PixelBarrelCable3"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Cable"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCool1" category="unspecified">
+			<rSolid name="PixelBarrelCool1"/>
+			<rMaterial name="pixbarmaterial:Flange_with_Manifold_Layer1"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCool2" category="unspecified">
+			<rSolid name="PixelBarrelCool2"/>
+			<rMaterial name="pixbarmaterial:Flange_with_Manifold_Layer2"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCool3" category="unspecified">
+			<rSolid name="PixelBarrelCool3"/>
+			<rMaterial name="pixbarmaterial:FlangeInner_with_Manifold_Layer3"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelConn1" category="unspecified">
+			<rSolid name="PixelBarrelConn1"/>
+			<rMaterial name="pixbarmaterial:Layer3_EndringPrints"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelConn2" category="unspecified">
+			<rSolid name="PixelBarrelConn2"/>
+			<rMaterial name="pixbarmaterial:Layer1_2_EndringPrints"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelConnToST" category="unspecified">
+			<rSolid name="PixelBarrelConnToST"/>
+			<rMaterial name="pixbarmaterial:cable_endring_to_tube"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelConn3" category="unspecified">
+			<rSolid name="PixelBarrelConn3"/>
+			<rMaterial name="pixbarmaterial:SectorC"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelConn4" category="unspecified">
+			<rSolid name="PixelBarrelConn4"/>
+			<rMaterial name="pixbarmaterial:SectorB"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelService" category="unspecified">
+			<rSolid name="PixelBarrelService"/>
+			<rMaterial name="pixbarmaterial:SectorA"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelSupTubCables" category="unspecified">
+			<rSolid name="PixelBarrelSupTubCables"/>
+			<rMaterial name="pixbarmaterial:PixelBarrelSupTubCables2"/>
+		</LogicalPart>
+	</LogicalPartSection>
+	<PosPartSection label="pixbar.xml">
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelSuppTub"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelSuppBox"/>
+			<Translation x="[zero]" y="[SupportY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelSuppBox"/>
+			<Translation x="[zero]" y="-[SupportY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelShield1"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelShield2"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelShield3"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelShield4"/>
+		</PosPart>
+		<!-- <PosPart copyNumber="1">
+		     <rParent name="pixbar:PixelBarrelFlange"/>
+		     <rChild name="pixbar:PixelBarrelFlangIn"/>
+		</PosPart> -->
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelFlange"/>
+			<Translation x="[zero]" y="[zero]" z="[FlangeZ]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelFlange"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[FlangeZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelRadialCooling"/>
+			<Translation x="[zero]" y="[zero]" z="[RadialCoolZ]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelRadialCooling"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="[RadialCoolZ]"/>
+		</PosPart>
+		<PosPart copyNumber="3">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelRadialCooling"/>
+			<Translation x="[zero]" y="[zero]" z="-[RadialCoolZ]"/>
+		</PosPart>
+		<PosPart copyNumber="4">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelRadialCooling"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[RadialCoolZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCable1"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCable1"/>
+			<rRotation name="pixbar:180D"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCable2"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCable2"/>
+			<rRotation name="pixbar:180D"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCable3"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCable3"/>
+			<rRotation name="pixbar:180D"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCool1"/>
+			<Translation x="[zero]" y="[zero]" z="[CoolZ]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCool1"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[CoolZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCool2"/>
+			<Translation x="[zero]" y="[zero]" z="[CoolZ]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCool2"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[CoolZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCool3"/>
+			<Translation x="[zero]" y="[zero]" z="[CoolZ]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelCool3"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[CoolZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn1"/>
+			<Translation x="[zero]" y="[zero]" z="[Conn1Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn1"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[Conn1Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn2"/>
+			<Translation x="[zero]" y="[zero]" z="[Conn2Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn2"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[Conn2Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConnToST"/>
+			<Translation x="[zero]" y="[zero]" z="[ConnToSTZ]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConnToST"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[ConnToSTZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn3"/>
+			<Translation x="[zero]" y="[zero]" z="[Conn3Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn3"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="[Conn3Z]"/>
+		</PosPart>
+		<PosPart copyNumber="3">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn3"/>
+			<Translation x="[zero]" y="[zero]" z="-[Conn3Z]"/>
+		</PosPart>
+		<PosPart copyNumber="4">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn3"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[Conn3Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn4"/>
+			<Translation x="[zero]" y="[zero]" z="[Conn4Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn4"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="[Conn4Z]"/>
+		</PosPart>
+		<PosPart copyNumber="3">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn4"/>
+			<Translation x="[zero]" y="[zero]" z="-[Conn4Z]"/>
+		</PosPart>
+		<PosPart copyNumber="4">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelConn4"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[Conn4Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelService"/>
+			<Translation x="[zero]" y="[zero]" z="[ServZ]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelService"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="[ServZ]"/>
+		</PosPart>
+		<PosPart copyNumber="3">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelService"/>
+			<Translation x="[zero]" y="[zero]" z="-[ServZ]"/>
+		</PosPart>
+		<PosPart copyNumber="4">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelService"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[ServZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelSupTubCables"/>
+			<Translation x="[zero]" y="[zero]" z="[ServCablZ]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbar:PixelBarrelSupTubCables"/>
+			<rRotation name="pixbar:180D"/>
+			<Translation x="[zero]" y="[zero]" z="-[ServCablZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbarlayer0:PixelBarrelLayer0"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbarlayer1:PixelBarrelLayer1"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbar:PixelBarrel"/>
+			<rChild name="pixbarlayer2:PixelBarrelLayer2"/>
+		</PosPart>
+	</PosPartSection>
+</DDDefinition>
diff --git a/examples/DDCMS/data/pixbarladder.xml b/examples/DDCMS/data/pixbarladder.xml
new file mode 100644
index 0000000000000000000000000000000000000000..93389062b0b24b54a908bbafd5011780d15b8482
--- /dev/null
+++ b/examples/DDCMS/data/pixbarladder.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+	<ConstantsSection label="pixbarladder.xml" eval="true">
+		<Constant name="Length" value="53.6*cm"/>
+		<Constant name="ExternalLength" value="55.4*cm"/>
+		<Constant name="Modules" value="8"/>
+		<Constant name="ModulesPerSide" value="[Modules]/2"/>
+		<Constant name="BaseThick" value="0.30*mm"/>
+		<Constant name="ROChipThick" value="0.18*mm"/>
+		<Constant name="SensorThick" value="0.285*mm"/>
+		<Constant name="SensorDz" value="6.66*cm"/>
+		<Constant name="SensorEdge" value="1.20*mm"/>
+		<Constant name="ActiveDz" value="6.48*cm"/>
+		<Constant name="HybridThick" value="0.044*mm"/>
+		<Constant name="HybridDz" value="6.50*cm"/>
+		<Constant name="CableThick" value="0.300*mm"/>
+		<Constant name="Cable1Length" value="21.02*cm"/>
+		<Constant name="Cable2Length" value="14.32*cm"/>
+		<Constant name="Cable3Length" value="7.62*cm"/>
+		<Constant name="Cable4Length" value="0.92*cm"/>
+		<Constant name="CableDzOverModule" value="1.93*cm"/>
+		<Constant name="Cable1Dz" value="[Cable1Length]+[CableDzOverModule]"/>
+		<Constant name="Cable2Dz" value="[Cable2Length]+[CableDzOverModule]"/>
+		<Constant name="Cable3Dz" value="[Cable3Length]+[CableDzOverModule]"/>
+		<Constant name="Cable4Dz" value="[Cable4Length]+[CableDzOverModule]"/>
+		<Constant name="CableBoxThick" value="[CableThick]*4"/>
+		<Constant name="CapacitorZ" value="2.80*cm"/>
+		<Constant name="CapacitorThick" value="1.50*mm"/>
+		<Constant name="CapacitorDx" value="3.20*mm"/>
+		<Constant name="CapacitorDz" value="2.50*mm"/>
+		<Constant name="CapacitorStripThick" value="0.50*mm"/>
+		<Constant name="CapacitorStripDx" value="0.50*mm"/>
+		<Constant name="CapacitorStripDz" value="([HybridDz])"/>
+		<Constant name="TBMchipThick" value="0.30*mm"/>
+		<Constant name="TBMchipDx" value="3.20*mm"/>
+		<Constant name="TBMchipDz" value="4.80*mm"/>
+		<!-- Module thick uses CapacitorThick since it is the highest object on the Hybrid surface -->
+		<Constant name="ModuleThick" value="([BaseThick]+[ROChipThick]+            [SensorThick]+[HybridThick]+[CapacitorThick])"/>
+		<Constant name="ModuleDz" value="[Length]/[Modules]"/>
+		<Constant name="ModuleZ" value="-([Length]-[ModuleDz])/2"/>
+		<Constant name="Cable1Y" value="([CableBoxThick]-[CableThick])/2"/>
+		<Constant name="Cable1Z" value="([ExternalLength]-[Cable1Dz])/2"/>
+		<Constant name="Cable2Y" value="[Cable1Y]-[CableThick]"/>
+		<Constant name="Cable2Z" value="([ExternalLength]-[Cable2Dz])/2"/>
+		<Constant name="Cable3Y" value="[Cable2Y]-[CableThick]"/>
+		<Constant name="Cable3Z" value="([ExternalLength]-[Cable3Dz])/2"/>
+		<Constant name="Cable4Y" value="[Cable3Y]-[CableThick]"/>
+		<Constant name="Cable4Z" value="([ExternalLength]-[Cable4Dz])/2"/>
+	</ConstantsSection>
+	<RotationSection label="pixbarladder.xml">
+		<Rotation name="Z2XY" thetaX="90*deg" phiX="0*deg" thetaY="180*deg" phiY="0*deg" thetaZ="90*deg" phiZ="90*deg"/>
+	</RotationSection>
+</DDDefinition>
diff --git a/examples/DDCMS/data/pixbarladderfull.xml b/examples/DDCMS/data/pixbarladderfull.xml
new file mode 100644
index 0000000000000000000000000000000000000000..b72869d958d93b15884f89445101a85ce2783904
--- /dev/null
+++ b/examples/DDCMS/data/pixbarladderfull.xml
@@ -0,0 +1,320 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+	<ConstantsSection label="pixbarladderfull.xml" eval="true">
+		<Constant name="zero" value="0.0*fm"/>
+		<Constant name="CFStripThick" value="0.25*mm"/>
+		<Constant name="CFStripWidth" value="26.00*mm"/>
+		<Constant name="CFHoleWidth" value="11.00*mm"/>
+		<Constant name="CFHoleDz" value="22.00*mm"/>
+		<Constant name="CFHoles" value="16"/>
+		<Constant name="CFHoleStep" value="33.00*mm"/>
+		<Constant name="VirtualBaseWidth" value="21.76*mm"/>
+		<Constant name="BaseWidth" value="4.48*mm"/>
+		<Constant name="BaseX" value="[VirtualBaseWidth]/2-[BaseWidth]/2"/>
+		<Constant name="ROChipWidth" value="19.955*mm"/>
+		<Constant name="SensorWidth" value="18.60*mm"/>
+		<Constant name="CableWidth" value="6.70*mm"/>
+		<Constant name="HybridWidth" value="18.80*mm"/>
+		<Constant name="CapacitorStripX" value="8.25*mm"/>
+		<Constant name="ActiveWidth" value="[SensorWidth]-            2*[pixbarladder:SensorEdge]"/>
+		<Constant name="LadderWidth" value="[CFStripWidth]"/>
+		<Constant name="LadderThick" value="[CFStripThick]+            [pixbarladder:ModuleThick]+[pixbarladder:CableBoxThick]"/>
+		<Constant name="CableBoxY" value="([LadderThick]-            [pixbarladder:CableBoxThick])/2"/>
+		<Constant name="ModuleBoxY" value="[CableBoxY]-            ([pixbarladder:CableBoxThick]+[pixbarladder:ModuleThick])/2"/>
+		<Constant name="CFStripY" value="[ModuleBoxY]-            ([pixbarladder:ModuleThick]+[CFStripThick])/2"/>
+		<Constant name="BaseY" value="-([pixbarladder:ModuleThick]-            [pixbarladder:BaseThick])/2"/>
+		<Constant name="ROChipY" value="[BaseY]+            ([pixbarladder:BaseThick]+[pixbarladder:ROChipThick])/2"/>
+		<Constant name="SensorY" value="[ROChipY]+            ([pixbarladder:ROChipThick]+[pixbarladder:SensorThick])/2"/>
+		<Constant name="HybridY" value="[SensorY]+            ([pixbarladder:SensorThick]+[pixbarladder:HybridThick])/2"/>
+		<Constant name="CapacitorY" value="[HybridY]+            ([pixbarladder:HybridThick]+[pixbarladder:CapacitorThick])/2"/>
+		<Constant name="CapacitorStripY" value="[HybridY]+            ([pixbarladder:HybridThick]+[pixbarladder:CapacitorStripThick])/2"/>
+		<Constant name="TBMchipY" value="[HybridY]+            ([pixbarladder:HybridThick]+[pixbarladder:TBMchipThick])/2"/>
+		<Constant name="CFHoleZ" value="-([CFHoles]-1)*[CFHoleStep]/2"/>
+	</ConstantsSection>
+	<SolidSection label="pixbarladderfull.xml">
+		<Box name="PixelBarrelLadderFull" dx="[pixbarladderfull:LadderWidth]/2" dy="[pixbarladderfull:LadderThick]/2" dz="[pixbarladder:ExternalLength]/2"/>
+		<Box name="PixelBarrelModuleBoxFull" dx="[pixbarladderfull:LadderWidth]/2" dy="[pixbarladder:ModuleThick]/2" dz="[pixbarladder:Length]/2"/>
+		<Box name="PixelBarrelCFStripFull" dx="[pixbarladderfull:CFStripWidth]/2" dy="[pixbarladderfull:CFStripThick]/2" dz="[pixbarladder:Length]/2"/>
+		<Box name="PixelBarrelCableBoxFull" dx="[pixbarladderfull:LadderWidth]/2" dy="[pixbarladder:CableBoxThick]/2" dz="[pixbarladder:ExternalLength]/2"/>
+		<Box name="PixelBarrelModuleFull" dx="[pixbarladderfull:LadderWidth]/2" dy="[pixbarladder:ModuleThick]/2" dz="[pixbarladder:ModuleDz]/2"/>
+		<Box name="PixelBarrelBaseFull" dx="[pixbarladderfull:BaseWidth]/2" dy="[pixbarladder:BaseThick]/2" dz="[pixbarladder:SensorDz]/2"/>
+		<Box name="PixelBarrelROChipFull" dx="[pixbarladderfull:ROChipWidth]/2" dy="[pixbarladder:ROChipThick]/2" dz="[pixbarladder:ActiveDz]/2"/>
+		<Box name="PixelBarrelSensorFull" dx="[pixbarladderfull:SensorWidth]/2" dy="[pixbarladder:SensorThick]/2" dz="[pixbarladder:SensorDz]/2"/>
+		<Box name="PixelBarrelActiveFull" dx="[pixbarladderfull:ActiveWidth]/2" dy="[pixbarladder:ActiveDz]/2" dz="[pixbarladder:SensorThick]/2"/>
+		<Box name="PixelBarrelHybridFull" dx="[pixbarladderfull:HybridWidth]/2" dy="[pixbarladder:HybridThick]/2" dz="[pixbarladder:HybridDz]/2"/>
+		<Box name="PixelBarrelCable1Full" dx="[pixbarladderfull:CableWidth]/2" dy="[pixbarladder:CableThick]/2" dz="[pixbarladder:Cable1Dz]/2"/>
+		<Box name="PixelBarrelCable2Full" dx="[pixbarladderfull:CableWidth]/2" dy="[pixbarladder:CableThick]/2" dz="[pixbarladder:Cable2Dz]/2"/>
+		<Box name="PixelBarrelCable3Full" dx="[pixbarladderfull:CableWidth]/2" dy="[pixbarladder:CableThick]/2" dz="[pixbarladder:Cable3Dz]/2"/>
+		<Box name="PixelBarrelCable4Full" dx="[pixbarladderfull:CableWidth]/2" dy="[pixbarladder:CableThick]/2" dz="[pixbarladder:Cable4Dz]/2"/>
+		<Box name="PixelBarrelCFStripHoleFull" dx="[pixbarladderfull:CFHoleWidth]/2" dy="[pixbarladderfull:CFStripThick]/2" dz="[pixbarladderfull:CFHoleDz]/2"/>
+		<Box name="PixelBarrelCapacitorFull" dx="[pixbarladder:CapacitorDx]/2" dy="[pixbarladder:CapacitorThick]/2" dz="[pixbarladder:CapacitorDz]/2"/>
+		<Box name="PixelBarrelCapacitorStripFull" dx="[pixbarladder:CapacitorStripDx]/2" dy="[pixbarladder:CapacitorStripThick]/2" dz="[pixbarladder:CapacitorStripDz]/2"/>
+		<Box name="PixelBarrelTBMFull" dx="[pixbarladder:TBMchipDx]/2" dy="[pixbarladder:TBMchipThick]/2" dz="[pixbarladder:TBMchipDz]/2"/>
+	</SolidSection>
+	<LogicalPartSection label="pixbarladderfull.xml">
+		<LogicalPart name="PixelBarrelLadderFull" category="unspecified">
+			<rSolid name="PixelBarrelLadderFull"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelModuleBoxFull" category="unspecified">
+			<rSolid name="PixelBarrelModuleBoxFull"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCFStripFull" category="unspecified">
+			<rSolid name="PixelBarrelCFStripFull"/>
+			<rMaterial name="trackermaterial:T_CarbonFibreStr"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCableBoxFull" category="unspecified">
+			<rSolid name="PixelBarrelCableBoxFull"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelModuleFullMinus" category="unspecified">
+			<rSolid name="PixelBarrelModuleFull"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelModuleFullPlus" category="unspecified">
+			<rSolid name="PixelBarrelModuleFull"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelBaseFull" category="unspecified">
+			<rSolid name="PixelBarrelBaseFull"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Baseplate_Full"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelROChipFull" category="unspecified">
+			<rSolid name="PixelBarrelROChipFull"/>
+			<rMaterial name="materials:Silicon"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelSensorFull" category="unspecified">
+			<rSolid name="PixelBarrelSensorFull"/>
+			<rMaterial name="materials:Silicon"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelActiveFull" category="unspecified">
+			<rSolid name="PixelBarrelActiveFull"/>
+			<rMaterial name="materials:Silicon"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelHybridFull" category="unspecified">
+			<rSolid name="PixelBarrelHybridFull"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Hybrid_Full"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCable1Full" category="unspecified">
+			<rSolid name="PixelBarrelCable1Full"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Cable"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCable2Full" category="unspecified">
+			<rSolid name="PixelBarrelCable2Full"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Cable"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCable3Full" category="unspecified">
+			<rSolid name="PixelBarrelCable3Full"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Cable"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCable4Full" category="unspecified">
+			<rSolid name="PixelBarrelCable4Full"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Cable"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCFStripHoleFull" category="unspecified">
+			<rSolid name="PixelBarrelCFStripHoleFull"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCapacitorFull" category="unspecified">
+			<rSolid name="PixelBarrelCapacitorFull"/>
+			<rMaterial name="trackermaterial:T_Barium_Titanate"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCapacitorStripFull" category="unspecified">
+			<rSolid name="PixelBarrelCapacitorStripFull"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Capacitor"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelTBMFull" category="unspecified">
+			<rSolid name="PixelBarrelTBMFull"/>
+			<rMaterial name="materials:Silicon"/>
+		</LogicalPart>
+	</LogicalPartSection>
+	<PosPartSection label="pixbarladderfull.xml">
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelLadderFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelCableBoxFull"/>
+			<Translation x="[zero]" y="[CableBoxY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelLadderFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelModuleBoxFull"/>
+			<Translation x="[zero]" y="[ModuleBoxY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelLadderFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelCFStripFull"/>
+			<Translation x="[zero]" y="[CFStripY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelSensorFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelActiveFull"/>
+			<rRotation name="pixbarladder:Z2XY"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullMinus"/>
+			<rChild name="pixbarladderfull:PixelBarrelBaseFull"/>
+			<Translation x="[BaseX]" y="[BaseY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullMinus"/>
+			<rChild name="pixbarladderfull:PixelBarrelBaseFull"/>
+			<Translation x="-[BaseX]" y="[BaseY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullMinus"/>
+			<rChild name="pixbarladderfull:PixelBarrelROChipFull"/>
+			<Translation x="[zero]" y="[ROChipY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullMinus"/>
+			<rChild name="pixbarladderfull:PixelBarrelSensorFull"/>
+			<Translation x="[zero]" y="[SensorY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullMinus"/>
+			<rChild name="pixbarladderfull:PixelBarrelHybridFull"/>
+			<Translation x="[zero]" y="[HybridY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullPlus"/>
+			<rChild name="pixbarladderfull:PixelBarrelBaseFull"/>
+			<Translation x="[BaseX]" y="[BaseY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullPlus"/>
+			<rChild name="pixbarladderfull:PixelBarrelBaseFull"/>
+			<Translation x="-[BaseX]" y="[BaseY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullPlus"/>
+			<rChild name="pixbarladderfull:PixelBarrelROChipFull"/>
+			<Translation x="[zero]" y="[ROChipY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullPlus"/>
+			<rChild name="pixbarladderfull:PixelBarrelSensorFull"/>
+			<Translation x="[zero]" y="[SensorY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullPlus"/>
+			<rChild name="pixbarladderfull:PixelBarrelHybridFull"/>
+			<Translation x="[zero]" y="[HybridY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelCableBoxFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelCable1Full"/>
+			<Translation x="[zero]" y="[pixbarladder:Cable1Y]" z="[pixbarladder:Cable1Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderfull:PixelBarrelCableBoxFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelCable1Full"/>
+			<Translation x="[zero]" y="[pixbarladder:Cable1Y]" z="-[pixbarladder:Cable1Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelCableBoxFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelCable2Full"/>
+			<Translation x="[zero]" y="[pixbarladder:Cable2Y]" z="[pixbarladder:Cable2Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderfull:PixelBarrelCableBoxFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelCable2Full"/>
+			<Translation x="[zero]" y="[pixbarladder:Cable2Y]" z="-[pixbarladder:Cable2Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelCableBoxFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelCable3Full"/>
+			<Translation x="[zero]" y="[pixbarladder:Cable3Y]" z="[pixbarladder:Cable3Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderfull:PixelBarrelCableBoxFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelCable3Full"/>
+			<Translation x="[zero]" y="[pixbarladder:Cable3Y]" z="-[pixbarladder:Cable3Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelCableBoxFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelCable4Full"/>
+			<Translation x="[zero]" y="[pixbarladder:Cable4Y]" z="[pixbarladder:Cable4Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderfull:PixelBarrelCableBoxFull"/>
+			<rChild name="pixbarladderfull:PixelBarrelCable4Full"/>
+			<Translation x="[zero]" y="[pixbarladder:Cable4Y]" z="-[pixbarladder:Cable4Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullPlus"/>
+			<rChild name="pixbarladderfull:PixelBarrelCapacitorFull"/>
+			<Translation x="[zero]" y="[pixbarladderfull:CapacitorY]" z="[pixbarladder:CapacitorZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullPlus"/>
+			<rChild name="pixbarladderfull:PixelBarrelCapacitorStripFull"/>
+			<Translation x="[pixbarladderfull:CapacitorStripX]" y="[pixbarladderfull:CapacitorStripY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullPlus"/>
+			<rChild name="pixbarladderfull:PixelBarrelCapacitorStripFull"/>
+			<Translation x="-[pixbarladderfull:CapacitorStripX]" y="[pixbarladderfull:CapacitorStripY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullMinus"/>
+			<rChild name="pixbarladderfull:PixelBarrelCapacitorFull"/>
+			<Translation x="[zero]" y="[pixbarladderfull:CapacitorY]" z="-[pixbarladder:CapacitorZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullMinus"/>
+			<rChild name="pixbarladderfull:PixelBarrelCapacitorStripFull"/>
+			<Translation x="[pixbarladderfull:CapacitorStripX]" y="[pixbarladderfull:CapacitorStripY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullMinus"/>
+			<rChild name="pixbarladderfull:PixelBarrelCapacitorStripFull"/>
+			<Translation x="-[pixbarladderfull:CapacitorStripX]" y="[pixbarladderfull:CapacitorStripY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullMinus"/>
+			<rChild name="pixbarladderfull:PixelBarrelTBMFull"/>
+			<Translation x="[zero]" y="[pixbarladderfull:TBMchipY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderfull:PixelBarrelModuleFullPlus"/>
+			<rChild name="pixbarladderfull:PixelBarrelTBMFull"/>
+			<Translation x="[zero]" y="[pixbarladderfull:TBMchipY]" z="[zero]"/>
+		</PosPart>
+	</PosPartSection>
+	<Algorithm name="track:DDTrackerLinear">
+		<rParent name="pixbarladderfull:PixelBarrelModuleBoxFull"/>
+		<String name="ChildName" value="pixbarladderfull:PixelBarrelModuleFullMinus"/>
+		<Numeric name="Number" value="[pixbarladder:ModulesPerSide]"/>
+		<Numeric name="Theta" value="0*deg"/>
+		<Numeric name="Phi" value="0*deg"/>
+		<Numeric name="Offset" value="[pixbarladder:ModuleZ]"/>
+		<Numeric name="Delta" value="[pixbarladder:ModuleDz]"/>
+		<String name="Rotation" value="pixbarladder:NULL"/>
+		<Vector name="Center" type="numeric" nEntries="3"> 
+			[zero], [zero], [zero] </Vector>
+	</Algorithm>
+	<Algorithm name="track:DDTrackerLinear">
+		<rParent name="pixbarladderfull:PixelBarrelModuleBoxFull"/>
+		<String name="ChildName" value="pixbarladderfull:PixelBarrelModuleFullPlus"/>
+		<Numeric name="Number" value="[pixbarladder:ModulesPerSide]"/>
+		<Numeric name="Theta" value="0*deg"/>
+		<Numeric name="Phi" value="0*deg"/>
+		<Numeric name="Offset" value="[pixbarladder:ModuleZ]+[pixbarladder:ModuleDz]*[pixbarladder:ModulesPerSide]"/>
+		<Numeric name="Delta" value="[pixbarladder:ModuleDz]"/>
+		<String name="Rotation" value="pixbarladder:NULL"/>
+		<Vector name="Center" type="numeric" nEntries="3"> 
+			[zero], [zero], [zero] </Vector>
+	</Algorithm>
+	<Algorithm name="track:DDTrackerLinear">
+		<rParent name="pixbarladderfull:PixelBarrelCFStripFull"/>
+		<String name="ChildName" value="pixbarladderfull:PixelBarrelCFStripHoleFull"/>
+		<Numeric name="Number" value="[pixbarladderfull:CFHoles]"/>
+		<Numeric name="Theta" value="0*deg"/>
+		<Numeric name="Phi" value="0*deg"/>
+		<Numeric name="Offset" value="[pixbarladderfull:CFHoleZ]"/>
+		<Numeric name="Delta" value="[pixbarladderfull:CFHoleStep]"/>
+		<String name="Rotation" value="pixbarladder:NULL"/>
+		<Vector name="Center" type="numeric" nEntries="3"> 
+			[zero], [zero], [zero] </Vector>
+	</Algorithm>
+</DDDefinition>
diff --git a/examples/DDCMS/data/pixbarladderhalf.xml b/examples/DDCMS/data/pixbarladderhalf.xml
new file mode 100644
index 0000000000000000000000000000000000000000..bd6e70d80eacb33a5e00ac8fb455dc77df2f921c
--- /dev/null
+++ b/examples/DDCMS/data/pixbarladderhalf.xml
@@ -0,0 +1,288 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+	<ConstantsSection label="pixbarladderhalf.xml" eval="true">
+		<Constant name="zero" value="0.0*fm"/>
+		<Constant name="CFStripThick" value="0.25*mm"/>
+		<Constant name="CFStripWidth" value="13.00*mm"/>
+		<Constant name="BaseWidth" value="12.9*mm"/>
+		<Constant name="ROChipWidth" value="9.935*mm"/>
+		<Constant name="SensorWidth" value="10.20*mm"/>
+		<Constant name="HybridWidth" value="10.30*mm"/>
+		<Constant name="SensorEdge" value="0.90*mm"/>
+		<Constant name="CableWidth" value="6.70*mm"/>
+		<Constant name="CapacitorStripDistToEdge" value="1.15*mm"/>
+		<Constant name="ActiveWidth" value="[SensorWidth]-[SensorEdge]-            [pixbarladder:SensorEdge]"/>
+		<Constant name="LadderWidth" value="[CFStripWidth]+[SensorEdge]"/>
+		<Constant name="LadderThick" value="[CFStripThick]+            [pixbarladder:ModuleThick]+[pixbarladder:CableBoxThick]"/>
+		<Constant name="CableBoxY" value="([LadderThick]-            [pixbarladder:CableBoxThick])/2"/>
+		<Constant name="ModuleBoxY" value="[CableBoxY]-            ([pixbarladder:CableBoxThick]+[pixbarladder:ModuleThick])/2"/>
+		<Constant name="CFStripX" value="[SensorEdge]-            ([LadderWidth]-[CFStripWidth])/2"/>
+		<Constant name="CFStripY" value="[ModuleBoxY]-            ([pixbarladder:ModuleThick]+[CFStripThick])/2"/>
+		<Constant name="ActiveX" value="[SensorEdge]-            ([SensorWidth]-[ActiveWidth])/2"/>
+		<Constant name="BaseX" value="[SensorEdge]-            ([LadderWidth]-[BaseWidth])/2"/>
+		<Constant name="BaseY" value="-([pixbarladder:ModuleThick]-            [pixbarladder:BaseThick])/2"/>
+		<Constant name="ROChipX" value="[SensorEdge]-            ([LadderWidth]-[ROChipWidth])/2"/>
+		<Constant name="ROChipY" value="[BaseY]+            ([pixbarladder:BaseThick]+[pixbarladder:ROChipThick])/2"/>
+		<Constant name="SensorX" value="-([LadderWidth]-[SensorWidth])/2"/>
+		<Constant name="SensorY" value="[ROChipY]+            ([pixbarladder:ROChipThick]+[pixbarladder:SensorThick])/2"/>
+		<Constant name="HybridX" value="([HybridWidth]-[LadderWidth])/2"/>
+		<Constant name="HybridY" value="[SensorY]+            ([pixbarladder:SensorThick]+[pixbarladder:HybridThick])/2"/>
+		<Constant name="CapacitorX" value="[HybridX]"/>
+		<Constant name="CapacitorStripX" value="[HybridX]+[HybridWidth]/2-[CapacitorStripDistToEdge]-[pixbarladder:CapacitorStripDx]/2"/>
+		<Constant name="TBMchipX" value="[HybridX]-[HybridWidth]/2+[pixbarladder:TBMchipDx]/2"/>
+		<Constant name="CapacitorY" value="[HybridY]+            ([pixbarladder:HybridThick]+[pixbarladder:CapacitorThick])/2"/>
+		<Constant name="CapacitorStripY" value="[HybridY]+            ([pixbarladder:HybridThick]+[pixbarladder:CapacitorStripThick])/2"/>
+		<Constant name="TBMchipY" value="[HybridY]+            ([pixbarladder:HybridThick]+[pixbarladder:TBMchipThick])/2"/>
+		<Constant name="CableX" value="[SensorEdge]-            ([LadderWidth]-[CableWidth])/2"/>
+	</ConstantsSection>
+	<SolidSection label="pixbarladderhalf.xml">
+		<Box name="PixelBarrelLadderHalf" dx="[pixbarladderhalf:LadderWidth]/2" dy="[pixbarladderhalf:LadderThick]/2" dz="[pixbarladder:ExternalLength]/2"/>
+		<Box name="PixelBarrelModuleBoxHalf" dx="[pixbarladderhalf:LadderWidth]/2" dy="[pixbarladder:ModuleThick]/2" dz="[pixbarladder:Length]/2"/>
+		<Box name="PixelBarrelCFStripHalf" dx="[pixbarladderhalf:CFStripWidth]/2" dy="[pixbarladderhalf:CFStripThick]/2" dz="[pixbarladder:Length]/2"/>
+		<Box name="PixelBarrelCableBoxHalf" dx="[pixbarladderhalf:LadderWidth]/2" dy="[pixbarladder:CableBoxThick]/2" dz="[pixbarladder:ExternalLength]/2"/>
+		<Box name="PixelBarrelModuleHalf" dx="[pixbarladderhalf:LadderWidth]/2" dy="[pixbarladder:ModuleThick]/2" dz="[pixbarladder:ModuleDz]/2"/>
+		<Box name="PixelBarrelBaseHalf" dx="[pixbarladderhalf:BaseWidth]/2" dy="[pixbarladder:BaseThick]/2" dz="[pixbarladder:SensorDz]/2"/>
+		<Box name="PixelBarrelROChipHalf" dx="[pixbarladderhalf:ROChipWidth]/2" dy="[pixbarladder:ROChipThick]/2" dz="[pixbarladder:ActiveDz]/2"/>
+		<Box name="PixelBarrelSensorHalf" dx="[pixbarladderhalf:SensorWidth]/2" dy="[pixbarladder:SensorThick]/2" dz="[pixbarladder:SensorDz]/2"/>
+		<Box name="PixelBarrelActiveHalf" dx="[pixbarladderhalf:ActiveWidth]/2" dy="[pixbarladder:ActiveDz]/2" dz="[pixbarladder:SensorThick]/2"/>
+		<Box name="PixelBarrelHybridHalf" dx="[pixbarladderhalf:HybridWidth]/2" dy="[pixbarladder:HybridThick]/2" dz="[pixbarladder:HybridDz]/2"/>
+		<Box name="PixelBarrelCable1Half" dx="[pixbarladderhalf:CableWidth]/2" dy="[pixbarladder:CableThick]/2" dz="[pixbarladder:Cable1Dz]/2"/>
+		<Box name="PixelBarrelCable2Half" dx="[pixbarladderhalf:CableWidth]/2" dy="[pixbarladder:CableThick]/2" dz="[pixbarladder:Cable2Dz]/2"/>
+		<Box name="PixelBarrelCable3Half" dx="[pixbarladderhalf:CableWidth]/2" dy="[pixbarladder:CableThick]/2" dz="[pixbarladder:Cable3Dz]/2"/>
+		<Box name="PixelBarrelCable4Half" dx="[pixbarladderhalf:CableWidth]/2" dy="[pixbarladder:CableThick]/2" dz="[pixbarladder:Cable4Dz]/2"/>
+		<Box name="PixelBarrelCapacitorHalf" dx="[pixbarladder:CapacitorDx]/2" dy="[pixbarladder:CapacitorThick]/2" dz="[pixbarladder:CapacitorDz]/2"/>
+		<Box name="PixelBarrelCapacitorStripHalf" dx="[pixbarladder:CapacitorStripDx]/2" dy="[pixbarladder:CapacitorStripThick]/2" dz="[pixbarladder:CapacitorStripDz]/2"/>
+		<Box name="PixelBarrelTBMHalf" dx="[pixbarladder:TBMchipDx]/2" dy="[pixbarladder:TBMchipThick]/2" dz="[pixbarladder:TBMchipDz]/2"/>
+	</SolidSection>
+	<LogicalPartSection label="pixbarladderhalf.xml">
+		<LogicalPart name="PixelBarrelLadderHalf" category="unspecified">
+			<rSolid name="PixelBarrelLadderHalf"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelModuleBoxHalf" category="unspecified">
+			<rSolid name="PixelBarrelModuleBoxHalf"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCFStripHalf" category="unspecified">
+			<rSolid name="PixelBarrelCFStripHalf"/>
+			<rMaterial name="trackermaterial:T_CarbonFibreStr"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCableBoxHalf" category="unspecified">
+			<rSolid name="PixelBarrelCableBoxHalf"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelModuleHalfMinus" category="unspecified">
+			<rSolid name="PixelBarrelModuleHalf"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelModuleHalfPlus" category="unspecified">
+			<rSolid name="PixelBarrelModuleHalf"/>
+			<rMaterial name="materials:Air"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelBaseHalf" category="unspecified">
+			<rSolid name="PixelBarrelBaseHalf"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Baseplate_Half"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelROChipHalf" category="unspecified">
+			<rSolid name="PixelBarrelROChipHalf"/>
+			<rMaterial name="materials:Silicon"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelSensorHalf" category="unspecified">
+			<rSolid name="PixelBarrelSensorHalf"/>
+			<rMaterial name="materials:Silicon"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelActiveHalf" category="unspecified">
+			<rSolid name="PixelBarrelActiveHalf"/>
+			<rMaterial name="materials:Silicon"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelHybridHalf" category="unspecified">
+			<rSolid name="PixelBarrelHybridHalf"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Hybrid_Half"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCable1Half" category="unspecified">
+			<rSolid name="PixelBarrelCable1Half"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Cable"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCable2Half" category="unspecified">
+			<rSolid name="PixelBarrelCable2Half"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Cable"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCable3Half" category="unspecified">
+			<rSolid name="PixelBarrelCable3Half"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Cable"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCable4Half" category="unspecified">
+			<rSolid name="PixelBarrelCable4Half"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Cable"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCapacitorHalf" category="unspecified">
+			<rSolid name="PixelBarrelCapacitorHalf"/>
+			<rMaterial name="trackermaterial:T_Barium_Titanate"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelCapacitorStripHalf" category="unspecified">
+			<rSolid name="PixelBarrelCapacitorStripHalf"/>
+			<rMaterial name="pixbarmaterial:Pix_Bar_Capacitor"/>
+		</LogicalPart>
+		<LogicalPart name="PixelBarrelTBMHalf" category="unspecified">
+			<rSolid name="PixelBarrelTBMHalf"/>
+			<rMaterial name="materials:Silicon"/>
+		</LogicalPart>
+	</LogicalPartSection>
+	<PosPartSection label="pixbarladderhalf.xml">
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelLadderHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCableBoxHalf"/>
+			<Translation x="[zero]" y="[CableBoxY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelLadderHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelModuleBoxHalf"/>
+			<Translation x="[zero]" y="[ModuleBoxY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelLadderHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCFStripHalf"/>
+			<Translation x="[CFStripX]" y="[CFStripY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelSensorHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelActiveHalf"/>
+			<rRotation name="pixbarladder:Z2XY"/>
+			<Translation x="[ActiveX]" y="[zero]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfMinus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelBaseHalf"/>
+			<Translation x="[BaseX]" y="[BaseY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfMinus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelROChipHalf"/>
+			<Translation x="[ROChipX]" y="[ROChipY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfMinus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelSensorHalf"/>
+			<Translation x="[SensorX]" y="[SensorY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfMinus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelHybridHalf"/>
+			<Translation x="[HybridX]" y="[HybridY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfPlus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelBaseHalf"/>
+			<Translation x="[BaseX]" y="[BaseY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfPlus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelROChipHalf"/>
+			<Translation x="[ROChipX]" y="[ROChipY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfPlus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelSensorHalf"/>
+			<Translation x="[SensorX]" y="[SensorY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfPlus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelHybridHalf"/>
+			<Translation x="[HybridX]" y="[HybridY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelCableBoxHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCable1Half"/>
+			<Translation x="[CableX]" y="[pixbarladder:Cable1Y]" z="[pixbarladder:Cable1Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderhalf:PixelBarrelCableBoxHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCable1Half"/>
+			<Translation x="[CableX]" y="[pixbarladder:Cable1Y]" z="-[pixbarladder:Cable1Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelCableBoxHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCable2Half"/>
+			<Translation x="[CableX]" y="[pixbarladder:Cable2Y]" z="[pixbarladder:Cable2Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderhalf:PixelBarrelCableBoxHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCable2Half"/>
+			<Translation x="[CableX]" y="[pixbarladder:Cable2Y]" z="-[pixbarladder:Cable2Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelCableBoxHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCable3Half"/>
+			<Translation x="[CableX]" y="[pixbarladder:Cable3Y]" z="[pixbarladder:Cable3Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderhalf:PixelBarrelCableBoxHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCable3Half"/>
+			<Translation x="[CableX]" y="[pixbarladder:Cable3Y]" z="-[pixbarladder:Cable3Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelCableBoxHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCable4Half"/>
+			<Translation x="[CableX]" y="[pixbarladder:Cable4Y]" z="[pixbarladder:Cable4Z]"/>
+		</PosPart>
+		<PosPart copyNumber="2">
+			<rParent name="pixbarladderhalf:PixelBarrelCableBoxHalf"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCable4Half"/>
+			<Translation x="[CableX]" y="[pixbarladder:Cable4Y]" z="-[pixbarladder:Cable4Z]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfPlus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCapacitorHalf"/>
+			<Translation x="[pixbarladderhalf:CapacitorX]" y="[pixbarladderhalf:CapacitorY]" z="[pixbarladder:CapacitorZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfPlus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCapacitorStripHalf"/>
+			<Translation x="[pixbarladderhalf:CapacitorStripX]" y="[pixbarladderhalf:CapacitorStripY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfMinus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCapacitorHalf"/>
+			<Translation x="[pixbarladderhalf:CapacitorX]" y="[pixbarladderhalf:CapacitorY]" z="-[pixbarladder:CapacitorZ]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfMinus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelCapacitorStripHalf"/>
+			<Translation x="[pixbarladderhalf:CapacitorStripX]" y="[pixbarladderhalf:CapacitorStripY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfMinus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelTBMHalf"/>
+			<Translation x="[pixbarladderhalf:TBMchipX]" y="[pixbarladderhalf:TBMchipY]" z="[zero]"/>
+		</PosPart>
+		<PosPart copyNumber="1">
+			<rParent name="pixbarladderhalf:PixelBarrelModuleHalfPlus"/>
+			<rChild name="pixbarladderhalf:PixelBarrelTBMHalf"/>
+			<Translation x="[pixbarladderhalf:TBMchipX]" y="[pixbarladderhalf:TBMchipY]" z="[zero]"/>
+		</PosPart>
+	</PosPartSection>
+	<Algorithm name="track:DDTrackerLinear">
+		<rParent name="pixbarladderhalf:PixelBarrelModuleBoxHalf"/>
+		<String name="ChildName" value="pixbarladderhalf:PixelBarrelModuleHalfMinus"/>
+		<Numeric name="Number" value="[pixbarladder:ModulesPerSide]"/>
+		<Numeric name="Theta" value="0*deg"/>
+		<Numeric name="Phi" value="0*deg"/>
+		<Numeric name="Offset" value="[pixbarladder:ModuleZ]"/>
+		<Numeric name="Delta" value="[pixbarladder:ModuleDz]"/>
+		<String name="Rotation" value="pixbarladder:NULL"/>
+		<Vector name="Center" type="numeric" nEntries="3">
+			[zero], [zero], [zero] </Vector>
+	</Algorithm>
+	<Algorithm name="track:DDTrackerLinear">
+		<rParent name="pixbarladderhalf:PixelBarrelModuleBoxHalf"/>
+		<String name="ChildName" value="pixbarladderhalf:PixelBarrelModuleHalfPlus"/>
+		<Numeric name="Number" value="[pixbarladder:ModulesPerSide]"/>
+		<Numeric name="Theta" value="0*deg"/>
+		<Numeric name="Phi" value="0*deg"/>
+		<Numeric name="Offset" value="[pixbarladder:ModuleZ]+[pixbarladder:ModuleDz]*[pixbarladder:ModulesPerSide]"/>
+		<Numeric name="Delta" value="[pixbarladder:ModuleDz]"/>
+		<String name="Rotation" value="pixbarladder:NULL"/>
+		<Vector name="Center" type="numeric" nEntries="3">
+			[zero], [zero], [zero] </Vector>
+	</Algorithm>
+</DDDefinition>
diff --git a/examples/DDCMS/data/pixbarlayer.xml b/examples/DDCMS/data/pixbarlayer.xml
new file mode 100644
index 0000000000000000000000000000000000000000..257fc7323295ce4937b658d3e82c21850c575bb0
--- /dev/null
+++ b/examples/DDCMS/data/pixbarlayer.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+	<ConstantsSection label="pixbarlayer.xml" eval="true">
+		<Constant name="LayerDz" value="55.40*cm"/>
+		<Constant name="CoolDz" value="55.40*cm"/>
+		<Constant name="CoolSide" value="0.40*cm"/>
+		<Constant name="CoolThick" value="0.03*cm"/>
+	</ConstantsSection>
+</DDDefinition>
diff --git a/examples/DDCMS/data/pixbarlayer0.xml b/examples/DDCMS/data/pixbarlayer0.xml
new file mode 100644
index 0000000000000000000000000000000000000000..8a93309c44c729158e79858c8a4a4c517e3befab
--- /dev/null
+++ b/examples/DDCMS/data/pixbarlayer0.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+	<ConstantsSection label="pixbarlayer0.xml" eval="true">
+		<Constant name="Ladders" value="18"/>
+		<Constant name="CoolDist" value="4.4429*cm"/>
+		<Constant name="CoolWidth" value="0.3747*cm"/>
+	</ConstantsSection>
+	<Algorithm name="track:DDPixBarLayerAlgo">
+		<rParent name="pixbarlayer0:PixelBarrelLayer0"/>
+		<String name="GeneralMaterial" value="materials:Air"/>
+		<Numeric name="Ladders" value="[pixbarlayer0:Ladders]"/>
+		<Numeric name="LayerDz" value="[pixbarlayer:LayerDz]"/>
+		<Numeric name="SensorEdge" value="[pixbarladderhalf:SensorEdge]"/>
+		<Numeric name="CoolDz" value="[pixbarlayer:CoolDz]"/>
+		<Numeric name="CoolWidth" value="[pixbarlayer0:CoolWidth]"/>
+		<Numeric name="CoolSide" value="[pixbarlayer:CoolSide]"/>
+		<Numeric name="CoolThick" value="[pixbarlayer:CoolThick]"/>
+		<Numeric name="CoolDist" value="[pixbarlayer0:CoolDist]"/>
+		<String name="CoolMaterial" value="trackermaterial:T_C6F14_F2_-20C"/>
+		<String name="CoolTubeMaterial" value="trackermaterial:T_Aluminium"/>
+		<Vector name="LadderName" type="string" nEntries="2">
+			pixbarladderfull:PixelBarrelLadderFull, 
+			pixbarladderhalf:PixelBarrelLadderHalf</Vector>
+		<Vector name="LadderWidth" type="numeric" nEntries="2">
+			[pixbarladderfull:LadderWidth], [pixbarladderhalf:LadderWidth]
+		</Vector>
+		<Vector name="LadderThick" type="numeric" nEntries="2">
+			[pixbarladderfull:LadderThick], [pixbarladderhalf:LadderThick]
+		</Vector>
+	</Algorithm>
+</DDDefinition>
diff --git a/examples/DDCMS/data/pixbarlayer1.xml b/examples/DDCMS/data/pixbarlayer1.xml
new file mode 100644
index 0000000000000000000000000000000000000000..b02d3ec1d149fda4c351b267c03988f4db1ab8e8
--- /dev/null
+++ b/examples/DDCMS/data/pixbarlayer1.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+	<ConstantsSection label="pixbarlayer1.xml" eval="true">
+		<Constant name="Ladders" value="30"/>
+		<Constant name="CoolDist" value="7.32575*cm"/>
+		<Constant name="CoolWidth" value="0.3432*cm"/>
+	</ConstantsSection>
+	<Algorithm name="track:DDPixBarLayerAlgo">
+		<rParent name="pixbarlayer1:PixelBarrelLayer1"/>
+		<String name="GeneralMaterial" value="materials:Air"/>
+		<Numeric name="Ladders" value="[pixbarlayer1:Ladders]"/>
+		<Numeric name="LayerDz" value="[pixbarlayer:LayerDz]"/>
+		<Numeric name="SensorEdge" value="[pixbarladderhalf:SensorEdge]"/>
+		<Numeric name="CoolDz" value="[pixbarlayer:CoolDz]"/>
+		<Numeric name="CoolWidth" value="[pixbarlayer1:CoolWidth]"/>
+		<Numeric name="CoolSide" value="[pixbarlayer:CoolSide]"/>
+		<Numeric name="CoolThick" value="[pixbarlayer:CoolThick]"/>
+		<Numeric name="CoolDist" value="[pixbarlayer1:CoolDist]"/>
+		<String name="CoolMaterial" value="trackermaterial:T_C6F14_F2_-20C"/>
+		<String name="CoolTubeMaterial" value="trackermaterial:T_Aluminium"/>
+		<Vector name="LadderName" type="string" nEntries="2">
+			pixbarladderfull:PixelBarrelLadderFull, 
+			pixbarladderhalf:PixelBarrelLadderHalf</Vector>
+		<Vector name="LadderWidth" type="numeric" nEntries="2">
+			[pixbarladderfull:LadderWidth], [pixbarladderhalf:LadderWidth]
+		</Vector>
+		<Vector name="LadderThick" type="numeric" nEntries="2">
+			[pixbarladderfull:LadderThick], [pixbarladderhalf:LadderThick]
+		</Vector>
+	</Algorithm>
+</DDDefinition>
diff --git a/examples/DDCMS/data/pixbarlayer2.xml b/examples/DDCMS/data/pixbarlayer2.xml
new file mode 100644
index 0000000000000000000000000000000000000000..f57b7d15d83c768dd361ddf97246b47e019a2a5f
--- /dev/null
+++ b/examples/DDCMS/data/pixbarlayer2.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+	<ConstantsSection label="pixbarlayer2.xml" eval="true">
+		<Constant name="Ladders" value="42"/>
+		<Constant name="CoolDist" value="10.1853*cm"/>
+		<Constant name="CoolWidth" value="0.3283*cm"/>
+	</ConstantsSection>
+	<Algorithm name="track:DDPixBarLayerAlgo">
+		<rParent name="pixbarlayer2:PixelBarrelLayer2"/>
+		<String name="GeneralMaterial" value="materials:Air"/>
+		<Numeric name="Ladders" value="[pixbarlayer2:Ladders]"/>
+		<Numeric name="LayerDz" value="[pixbarlayer:LayerDz]"/>
+		<Numeric name="SensorEdge" value="[pixbarladderhalf:SensorEdge]"/>
+		<Numeric name="CoolDz" value="[pixbarlayer:CoolDz]"/>
+		<Numeric name="CoolWidth" value="[pixbarlayer2:CoolWidth]"/>
+		<Numeric name="CoolSide" value="[pixbarlayer:CoolSide]"/>
+		<Numeric name="CoolThick" value="[pixbarlayer:CoolThick]"/>
+		<Numeric name="CoolDist" value="[pixbarlayer2:CoolDist]"/>
+		<String name="CoolMaterial" value="trackermaterial:T_C6F14_F2_-20C"/>
+		<String name="CoolTubeMaterial" value="trackermaterial:T_Aluminium"/>
+		<Vector name="LadderName" type="string" nEntries="2">
+			pixbarladderfull:PixelBarrelLadderFull, 
+			pixbarladderhalf:PixelBarrelLadderHalf</Vector>
+		<Vector name="LadderWidth" type="numeric" nEntries="2">
+			[pixbarladderfull:LadderWidth], [pixbarladderhalf:LadderWidth]
+		</Vector>
+		<Vector name="LadderThick" type="numeric" nEntries="2">
+			[pixbarladderfull:LadderThick], [pixbarladderhalf:LadderThick]
+		</Vector>
+	</Algorithm>
+</DDDefinition>
diff --git a/examples/DDCMS/data/pixbarmaterial.xml b/examples/DDCMS/data/pixbarmaterial.xml
new file mode 100644
index 0000000000000000000000000000000000000000..2619b1648c9ae66e293ff9fab1ed4d37267af23c
--- /dev/null
+++ b/examples/DDCMS/data/pixbarmaterial.xml
@@ -0,0 +1,455 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+  <MaterialSection label="pixbarmaterial.xml">
+    <CompositeMaterial name="Polyoxymethylene" density="1.4*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.4">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06667">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.5333">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="BPix_Silicone" density="1.3*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.3787448">
+        <rMaterial name="materials:Silicon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.21575329">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.3239468">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.08155498">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="LCP_Glass_Enforced" density="2.0*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.08">
+        <rMaterial name="materials:Silicon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.52">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.39">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Silicon_Nitride" density="3.4*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.6006">
+        <rMaterial name="materials:Silicon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.3994">
+        <rMaterial name="materials:Nitrogen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Bar_Baseplate_Full" density="3.67256*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.75244">
+        <rMaterial name="pixbarmaterial:Silicon_Nitride" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.15186">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04271">
+        <rMaterial name="trackermaterial:T_Silicone_Gel" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.05299">
+        <rMaterial name="materials:Epoxy" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Bar_Baseplate_Half" density="3.18369*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.86861">
+        <rMaterial name="pixbarmaterial:Silicon_Nitride" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06085">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04931">
+        <rMaterial name="trackermaterial:T_Silicone_Gel" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02123">
+        <rMaterial name="materials:Epoxy" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Bar_Hybrid_Full" density="4.41590*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.0063">
+        <rMaterial name="materials:Indium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.09358">
+        <rMaterial name="materials:Lead" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.05034">
+        <rMaterial name="materials:Nickel" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.3217">
+        <rMaterial name="materials:T_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02405">
+        <rMaterial name="materials:Gold" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04379">
+        <rMaterial name="materials:Epoxy" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.1596">
+        <rMaterial name="materials:Tin" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.23875">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00379">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00741">
+        <rMaterial name="materials:Alumina" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.0507">
+        <rMaterial name="trackermaterial:T_Barium_Titanate" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Bar_Hybrid_Half" density="5.70663*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.00443">
+        <rMaterial name="materials:Indium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.1322">
+        <rMaterial name="materials:Lead" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.03912">
+        <rMaterial name="materials:Nickel" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.24865">
+        <rMaterial name="materials:T_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.0185">
+        <rMaterial name="materials:Gold" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06187">
+        <rMaterial name="materials:Epoxy" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.22547">
+        <rMaterial name="materials:Tin" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00267">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.185">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01047">
+        <rMaterial name="materials:Alumina" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.07162">
+        <rMaterial name="trackermaterial:T_Barium_Titanate" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Bar_Capacitor" density="2.22277*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1">
+        <rMaterial name="trackermaterial:T_Barium_Titanate" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_Pix_Bar_Cool" density="1.95447*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.61432">
+        <rMaterial name="materials:C6F14_F2_-10C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.38568">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Bar_Cable" density="1.67629*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.43796">
+        <rMaterial name="materials:T_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02339">
+        <rMaterial name="materials:Gold" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.19088">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.34777">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Flange_with_Manifold_Layer1" density="6.001116*g/cm3" method="mixture by weight"  symbol=" ">
+      <MaterialFraction fraction="0.1636">
+        <rMaterial name="trackermaterial:T_FR4" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.25809">
+        <rMaterial name="materials:C6F14_F2_-10C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.23898">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.12917">
+        <rMaterial name="trackermaterial:T_CarbonFibreStr" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.19713">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01304">
+        <rMaterial name="trackermaterial:T_Nomex" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Flange_with_Manifold_Layer2" density="6.415752*g/cm3" method="mixture by weight"  symbol=" ">
+      <MaterialFraction fraction="0.14778">
+        <rMaterial name="trackermaterial:T_FR4" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.28678">
+        <rMaterial name="materials:C6F14_F2_-10C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.20276">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.15657">
+        <rMaterial name="trackermaterial:T_CarbonFibreStr" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.18269">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02342">
+        <rMaterial name="trackermaterial:T_Nomex" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FlangeInner_with_Manifold_Layer3" density="5.8872*g/cm3" method="mixture by weight"  symbol=" ">
+      <MaterialFraction fraction="0.10879">
+        <rMaterial name="trackermaterial:T_FR4" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.35422">
+        <rMaterial name="materials:C6F14_F2_-10C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.36829">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.16871">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FlangeOuter_Layer3" density="0.517704*g/cm3" method="mixture by weight"  symbol=" ">
+      <MaterialFraction fraction="0.11657">
+        <rMaterial name="trackermaterial:T_FR4" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.87067">
+        <rMaterial name="trackermaterial:T_CarbonFibreStr" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00339">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00938">
+        <rMaterial name="materials:Air" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="cable_endring_to_tube" density="2.331588*g/cm3" method="mixture by weight"  symbol=" ">
+      <MaterialFraction fraction="0.10301">
+        <rMaterial name="materials:T_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.15922">
+        <rMaterial name="pixfwdMaterials:FPix_Silicone" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06696">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04431">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_Noryl" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02972">
+        <rMaterial name="materials:Epoxy" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.40314">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.19365">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Layer1_2_EndringPrints" density="1.402032*g/cm3" method="mixture by weight"  symbol=" ">
+      <MaterialFraction fraction="0.01765">
+        <rMaterial name="materials:Lead" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.23843">
+        <rMaterial name="pixbarmaterial:LCP_Glass_Enforced" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.3061">
+        <rMaterial name="trackermaterial:T_FR4" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00657">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01658">
+        <rMaterial name="materials:Tin" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.41468">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Layer3_EndringPrints" density="1.303776*g/cm3" method="mixture by weight"  symbol=" ">
+      <MaterialFraction fraction="0.01766">
+        <rMaterial name="materials:Lead" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.238">
+        <rMaterial name="pixbarmaterial:LCP_Glass_Enforced" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.30544">
+        <rMaterial name="trackermaterial:T_FR4" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00789">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01706">
+        <rMaterial name="materials:Tin" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.41396">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="silicone_pipes_plus_coolant" density="0.31236*g/cm3" method="mixture by weight"  symbol=" ">
+      <MaterialFraction fraction="0.53007">
+        <rMaterial name="materials:C6F14_F2_-10C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.46993">
+        <rMaterial name="pixbarmaterial:BPix_Silicone" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="SectorA" density="0.47813*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.10443">
+        <rMaterial name="materials:C6F14_F2_-10C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00283">
+        <rMaterial name="pixbarmaterial:Polyoxymethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.20588">
+        <rMaterial name="trackermaterial:T_FR4" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.08188">
+        <rMaterial name="materials:Acrylate" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.11064">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.0145">
+        <rMaterial name="materials:Brass" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.10724">
+        <rMaterial name="materials:Epoxy" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00283">
+        <rMaterial name="pixfwdMaterials:FPix_TinLeadSolder" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01613">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.19232">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.1272">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_Polyester" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.009">
+        <rMaterial name="materials:Polyvinylchloride" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02513">
+        <rMaterial name="trackermaterial:T_Nomex" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="SectorB" density="1.049454*g/cm3" method="mixture by weight"  symbol=" ">
+      <MaterialFraction fraction="0.19011">
+        <rMaterial name="materials:C6F14_F2_-10C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00494">
+        <rMaterial name="pixbarmaterial:Polyoxymethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.1187">
+        <rMaterial name="trackermaterial:T_FR4" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.14233">
+        <rMaterial name="materials:Acrylate" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.0512">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.18915">
+        <rMaterial name="materials:Epoxy" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06486">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.17137">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.05152">
+        <rMaterial name="materials:Polyvinylchloride" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01581">
+        <rMaterial name="trackermaterial:T_Nomex" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="SectorC" density="1.375654*g/cm3" method="mixture by weight"  symbol=" ">
+      <MaterialFraction fraction="0.14778">
+        <rMaterial name="materials:C6F14_F2_-10C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.0139">
+        <rMaterial name="pixbarmaterial:Polyoxymethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.22693">
+        <rMaterial name="trackermaterial:T_FR4" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.11069">
+        <rMaterial name="materials:Acrylate" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.03989">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.14938">
+        <rMaterial name="materials:Epoxy" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01005">
+        <rMaterial name="pixfwdMaterials:FPix_TinLeadSolder" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06396">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.20077">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02082">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_Polyester" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00319">
+        <rMaterial name="materials:Polyvinylchloride" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01264">
+        <rMaterial name="trackermaterial:T_Nomex" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="PixelBarrelSupTubCables" density="2.25064*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.09162">
+        <rMaterial name="materials:C6F14_F2_-10C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.14907">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.28441">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.4749">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="PixelBarrelSupTubCables2" density="0.61235*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.09162">
+        <rMaterial name="materials:C6F14_F2_-10C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.14907">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.28441">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.4749">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+    </CompositeMaterial>
+  </MaterialSection>
+</DDDefinition>
diff --git a/examples/DDCMS/data/pixfwdMaterials.xml b/examples/DDCMS/data/pixfwdMaterials.xml
new file mode 100644
index 0000000000000000000000000000000000000000..b450254d8c7637f8acb78510c482fd10f22b69a7
--- /dev/null
+++ b/examples/DDCMS/data/pixfwdMaterials.xml
@@ -0,0 +1,380 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+  <MaterialSection label="pixfwdMaterials.xml">
+    <CompositeMaterial name="FPix_Alumina" density="3.96*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.52924272">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.47075728">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_TinLeadSolder" density="8.8*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.49377422">
+        <rMaterial name="materials:Tin" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.50622577">
+        <rMaterial name="materials:Lead" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_Epoxy" density="1.1*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.7367217">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.0529922">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.21028601">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_BNPowder" density="3.5*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.4356165">
+        <rMaterial name="materials:Bor 11" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.564383">
+        <rMaterial name="materials:Nitrogen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_Silicone" density="1.3*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.3787448">
+        <rMaterial name="materials:Silicon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.21575329">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.3239468">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.08155498">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_Kapton" density="1.4*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.6911352">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.026363">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.20923002">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.0732717">
+        <rMaterial name="materials:Nitrogen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_Cylind_CF" density="1.495*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.7498836">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.05034303">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.1997733">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_Cylind_G10" density="1.7*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.58320025">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04194946">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.27744272">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.09740755">
+        <rMaterial name="materials:Silicon" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_Cylind_SnCu" density="8.86*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.08950548">
+        <rMaterial name="materials:Tin" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.91049451">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_Cylind_POLIAX" density="1.27*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.74992040">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04082067">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.16198633">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04727259">
+        <rMaterial name="materials:Nitrogen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_Cylind_Polyester" density="1.4*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.492">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.065">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.263">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.091">
+        <rMaterial name="materials:Chlorine" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.089">
+        <rMaterial name="materials:Antimony" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_Cylind_Noryl" density="1.08*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.7997302">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06711181">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.1331579">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="FPix_Cylind_PMMA" density="1.2*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.59985105">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.080541353">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.31960759">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_Bump" density="0.41391*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00">
+        <rMaterial name="pixfwdMaterials:FPix_TinLeadSolder" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_AgEpoxy" density="1.60005*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.09823">
+        <rMaterial name="pixfwdMaterials:FPix_Epoxy" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.31254">
+        <rMaterial name="pixfwdMaterials:FPix_BNPowder" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.46422">
+        <rMaterial name="pixfwdMaterials:FPix_Silicone" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.12502">
+        <rMaterial name="pixfwdMaterials:FPix_Kapton" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_AdhFilm" density="1.57984*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.55706">
+        <rMaterial name="pixfwdMaterials:FPix_Epoxy" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.44294">
+        <rMaterial name="pixfwdMaterials:FPix_BNPowder" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_VHDI" density="3.10741*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.34454">
+        <rMaterial name="pixfwdMaterials:FPix_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.58810">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04589">
+        <rMaterial name="trackermaterial:T_Barium_Titanate" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02147">
+        <rMaterial name="pixfwdMaterials:FPix_TinLeadSolder" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_ROChip" density="2.33*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1">
+        <rMaterial name="materials:Silicon" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_HDI" density="2.23694*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.3718">
+        <rMaterial name="pixfwdMaterials:FPix_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.13869">
+        <rMaterial name="pixfwdMaterials:FPix_Epoxy" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.42221">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00315">
+        <rMaterial name="trackermaterial:T_Barium_Titanate" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00240">
+        <rMaterial name="pixfwdMaterials:FPix_Alumina" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04968">
+        <rMaterial name="pixfwdMaterials:FPix_TinLeadSolder" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01206">
+        <rMaterial name="materials:Indium" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="PixelForwardCoolant" density="1.79*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.213189">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.7868109">
+        <rMaterial name="materials:Fluorine" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Aluminium_OuterRing" density="1.82*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.0">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Aluminium_InnerRing" density="1.92*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.0">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_Servi_Cylind" density="0.20113*g/cm3" method="mixture by weight" pork="true" symbol=" ">
+      <MaterialFraction fraction="0.96427">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_CF" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02453">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_G10" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00899">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00220">
+        <rMaterial name="materials:Ceramic" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_End_Flange" density="1.66566*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.75148">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.14202">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_SnCu" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06477">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_POLIAX" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04173">
+        <rMaterial name="pixfwdMaterials:PixelForwardCoolant" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_End_Electro_1" density="0.29369*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.34432">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_SnCu" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.33033">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_G10" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.14807">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_POLIAX" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.10279">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_CF" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.05357">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02093">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_Polyester" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_End_Electro_2" density="0.27714*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.35884">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_SnCu" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.338">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_G10" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.14496">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_POLIAX" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.10459">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_CF" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.03299">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02062">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_Polyester" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_End_Coil_Fiber" density="0.19983*g/cm3" method="mixture by weight" pork="true" symbol=" ">
+      <MaterialFraction fraction="0.55642">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_Polyester" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.27369">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_POLIAX" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.09910">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_G10" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04960">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_Noryl" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02120">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_PMMA" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_End_Pipe_1" density="2.87036*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.47886">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_SnCu" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.27978">
+        <rMaterial name="pixfwdMaterials:PixelForwardCoolant" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.15973">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.08163">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_POLIAX" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_End_Pipe_2" density="3.05434*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.48346">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_SnCu" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.25159">
+        <rMaterial name="pixfwdMaterials:PixelForwardCoolant" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.18305">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.08190">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_POLIAX" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Pix_Fwd_Port_Cards" density="1.2278*g/cm3" method="mixture by weight" pork="true" symbol=" ">
+      <MaterialFraction fraction="0.54216">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_G10" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.24179">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.11334">
+        <rMaterial name="pixfwdMaterials:FPix_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04121">
+        <rMaterial name="pixfwdMaterials:FPix_Cylind_Polyester" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02159">
+        <rMaterial name="pixfwdMaterials:FPix_TinLeadSolder" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01943">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01477">
+        <rMaterial name="trackermaterial:T_Barium_Titanate" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00572">
+        <rMaterial name="materials:Silicon" />
+      </MaterialFraction>
+    </CompositeMaterial>
+  </MaterialSection>
+</DDDefinition>
diff --git a/examples/DDCMS/data/trackermaterial.xml b/examples/DDCMS/data/trackermaterial.xml
new file mode 100644
index 0000000000000000000000000000000000000000..5147bf314dae16d6e80e48c2bf2c13738fedbf2b
--- /dev/null
+++ b/examples/DDCMS/data/trackermaterial.xml
@@ -0,0 +1,504 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+  <MaterialSection label="trackermaterial.xml">
+    <CompositeMaterial name="T_Barium_Titanate" density="6.02*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:Barium_Titanate" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_Aluminium" density="2.7*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:Aluminium" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_Beryllium" density="1.848*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:Beryllium" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_C6F14_F2_-30C" density="1.87917*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:C6F14" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_C6F14_F2_-20C" density="1.84675*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:C6F14" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_CarbonFibreStr" density="1.69*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:Carbon fibre str." />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_Copper" density="8.96*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:Copper" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_CuNi" density="8.94*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:CuNi" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_Kevlar" density="1.44*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:Kevlar" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_Nomex" density="32*mg/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:Nomex" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_Rohacell" density="52*mg/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:Rohacell" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_FR4" density="1.7*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.18077359">
+        <rMaterial name="materials:Silicon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.4056325">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.27804208">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.068442752">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.067109079">
+        <rMaterial name="materials:Bromine" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_G10" density="1.9*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.13232243">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.032572448">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.48316123">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.35194389">
+        <rMaterial name="materials:Silicon" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_Silicone_Gel" density="0.965*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:Silicone_Gel" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_StainlessSteel" density="8.02*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1.00000000">
+        <rMaterial name="materials:StainlessSteel" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Fibre_Ribbon" density="1.219*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.16050082">
+        <rMaterial name="materials:Silicon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.18283037">
+        <rMaterial name="materials:Oxygen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.56229533">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.094373484">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="MS_Cu60" density="2.382*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.85086214">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.12770444">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.021433422">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="MS_cntrl_cable" density="1.63*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.74181259">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.22108188">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.037105532">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="TS_Cooling" density="1.62562*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.82993">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.17007">
+        <rMaterial name="materials:C6F14_3M_-15C" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="TS_Shield" density="0.35161*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.60198">
+        <rMaterial name="materials:Inconel600" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.39802">
+        <rMaterial name="materials:T_Kapton" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Optical_Fiber" density="1.08326*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.40031">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.49827">
+        <rMaterial name="materials:Acrylate" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06248">
+        <rMaterial name="materials:Acrylate" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.03895">
+        <rMaterial name="materials:Silica" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_RuggRibbon" density="0.83457*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.67776">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.13932">
+        <rMaterial name="trackermaterial:T_Kevlar" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06569">
+        <rMaterial name="materials:Acrylate" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04524">
+        <rMaterial name="materials:Silica" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.07199">
+        <rMaterial name="materials:Acrylate" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="T_Ribbon12xMUConn" density="0.86000*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.78488">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.18412">
+        <rMaterial name="materials:Ceramic" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01163">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01937">
+        <rMaterial name="materials:Iron" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="TOB_Ribbon12xMUConn" density="0.77667*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.7618">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.20388">
+        <rMaterial name="materials:Ceramic" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01287">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02145">
+        <rMaterial name="materials:Iron" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="TOB_DOHM_PowerConn" density="3.73770*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.0271">
+        <rMaterial name="materials:T_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.05322">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.13372">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.78596">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="MS_Al36" density="1.403*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.379586">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.27524785">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.26823734">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.045019923">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.03190889">
+        <rMaterial name="materials:Silver" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="MS_Al48" density="1.373*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.40684004">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.25552552">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.26144891">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.043880579">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.032304952">
+        <rMaterial name="materials:Silver" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="MS_Al60" density="971*mg/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.43940244">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.22781143">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.25517545">
+        <rMaterial name="materials:Carbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.042827665">
+        <rMaterial name="materials:Hydrogen" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.034783015">
+        <rMaterial name="materials:Silver" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="MS_CntrlTIBTID" density="1.58489*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.44981">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.51013">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04006">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="CAB_Al60TIBTID" density="1.16581*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.30189">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.38768">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.22266">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02323">
+        <rMaterial name="materials:T_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06455">
+        <rMaterial name="materials:Silver" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="CAB_Al60" density="1.37448*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.29872">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.35518">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.2691">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02224">
+        <rMaterial name="materials:T_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.05475">
+        <rMaterial name="materials:Silver" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="CAB_Al48" density="1.14748*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.31894">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.32994">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.28131">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02411">
+        <rMaterial name="materials:T_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.0457">
+        <rMaterial name="materials:Silver" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="CAB_Al36" density="1.06783*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.32521">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.31456">
+        <rMaterial name="trackermaterial:T_Aluminium" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.29435">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.02564">
+        <rMaterial name="materials:T_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.04024">
+        <rMaterial name="materials:Silver" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="TS_PowerCable" density="4.02080*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.10028">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.89972">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="TS_SignalCable" density="3.13035*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.10018">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.89982">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Tk_Cables_PP1" density="2.07590*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.00998">
+        <rMaterial name="trackermaterial:TS_PowerCable" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.06704">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0">
+        <rMaterial name="materials:C6F14_3M_-15C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.22783">
+        <rMaterial name="trackermaterial:CAB_Al60" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01863">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.13358">
+        <rMaterial name="trackermaterial:T_C6F14_F2_-30C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.10686">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.08857">
+        <rMaterial name="trackermaterial:T_RuggRibbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.12643">
+        <rMaterial name="trackermaterial:CAB_Al48" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.21136">
+        <rMaterial name="trackermaterial:CAB_Al36" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.00972">
+        <rMaterial name="trackermaterial:TS_SignalCable" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Tk_Connectors_PP1" density="0.30245*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.22194">
+        <rMaterial name="trackermaterial:CAB_Al36" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.08451">
+        <rMaterial name="trackermaterial:CAB_Al48" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.27443">
+        <rMaterial name="trackermaterial:CAB_Al60" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.13535">
+        <rMaterial name="trackermaterial:T_RuggRibbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01331">
+        <rMaterial name="trackermaterial:T_RuggRibbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01320">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.22420">
+        <rMaterial name="trackermaterial:T_C6F14_F2_-30C" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01676">
+        <rMaterial name="trackermaterial:TS_PowerCable" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.01631">
+        <rMaterial name="trackermaterial:TS_SignalCable" />
+      </MaterialFraction>
+    </CompositeMaterial>
+      <CompositeMaterial name="Tk_panels_mid1" density="1.17876*0.67*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1e-05">
+        <rMaterial name="materials:Quartz" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.08405">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.84501">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.07094">
+        <rMaterial name="materials:C6F14" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Tk_panels_mid1b" density="1.17876*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1e-05">
+         <rMaterial name="materials:Quartz"/>
+      </MaterialFraction>
+      <MaterialFraction fraction="0.08405">
+         <rMaterial name="materials:Polyethylene"/>
+      </MaterialFraction>
+      <MaterialFraction fraction="0.84501">
+         <rMaterial name="trackermaterial:T_Copper"/>
+      </MaterialFraction>
+      <MaterialFraction fraction="0.07094">
+         <rMaterial name="materials:C6F14"/>
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Tk_panels_mid2" density="0.35866*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="1e-05">
+        <rMaterial name="materials:Quartz" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.14595">
+        <rMaterial name="materials:T_Kapton" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.11911">
+        <rMaterial name="materials:Polyethylene" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.73492">
+        <rMaterial name="trackermaterial:T_Copper" />
+      </MaterialFraction>
+    </CompositeMaterial>
+    <CompositeMaterial name="Tk_panels_up" density="0.221000*g/cm3" method="mixture by weight" symbol=" ">
+      <MaterialFraction fraction="0.281640">
+        <rMaterial name="trackermaterial:CAB_Al36" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.044540">
+        <rMaterial name="trackermaterial:CAB_Al48" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.058950">
+        <rMaterial name="trackermaterial:CAB_Al60" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.058290">
+        <rMaterial name="trackermaterial:MS_cntrl_cable" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.380440">
+        <rMaterial name="trackermaterial:MS_Cu60" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.013530">
+        <rMaterial name="trackermaterial:Fibre_Ribbon" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.026340">
+        <rMaterial name="materials:Steel-008" />
+      </MaterialFraction>
+      <MaterialFraction fraction="0.136270">
+        <rMaterial name="materials:C6F14" />
+      </MaterialFraction>
+    </CompositeMaterial>
+  </MaterialSection>
+</DDDefinition>
diff --git a/examples/DDCMS/data/vacuum.xml b/examples/DDCMS/data/vacuum.xml
new file mode 100644
index 0000000000000000000000000000000000000000..1ca4a19f39acf06f23d64411e9c84de06126f97b
--- /dev/null
+++ b/examples/DDCMS/data/vacuum.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0"?>
+<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
+ <MaterialSection>
+  <CompositeMaterial name="Air" density="1.214*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.7494">
+    <rMaterial name="materials:Nitrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2369">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0129">
+    <rMaterial name="materials:Argon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0008">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+  <CompositeMaterial name="Vacuum" density="1e-10*mg/cm3" symbol=" " method="mixture by weight">
+   <MaterialFraction fraction="0.7494">
+    <rMaterial name="materials:Nitrogen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.2369">
+    <rMaterial name="materials:Oxygen"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0129">
+    <rMaterial name="materials:Argon"/>
+   </MaterialFraction>
+   <MaterialFraction fraction="0.0008">
+    <rMaterial name="materials:Hydrogen"/>
+   </MaterialFraction>
+  </CompositeMaterial>
+ </MaterialSection>
+</DDDefinition>
diff --git a/examples/DDCMS/src/Example.cpp b/examples/DDCMS/src/Example.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391