diff --git a/DDCore/include/DD4hep/Objects.h b/DDCore/include/DD4hep/Objects.h
index 117d0c5ee191ffba17bfc9c0823aeb0916933ea6..b9af4179125fc593d357645c6a9c41cf5aac918f 100644
--- a/DDCore/include/DD4hep/Objects.h
+++ b/DDCore/include/DD4hep/Objects.h
@@ -202,7 +202,7 @@ namespace DD4hep {
       /// Constructor to be used when creating a new DOM tree
       Constant(const std::string& name, const std::string& val, const std::string& typ="number");
       /// Access the constant
-      std::string type() const;
+      std::string dataType() const;
       /// String representation of this object
       std::string toString() const;
     };
diff --git a/DDCore/include/DD4hep/objects/ObjectsInterna.h b/DDCore/include/DD4hep/objects/ObjectsInterna.h
index 2b57bea937abcf53aa2adcc2b4c7a34a37c82c57..770952e2b6769bc3a3708684da703cbef187c405 100644
--- a/DDCore/include/DD4hep/objects/ObjectsInterna.h
+++ b/DDCore/include/DD4hep/objects/ObjectsInterna.h
@@ -62,7 +62,7 @@ namespace DD4hep {
     class ConstantObject: public NamedObject {
     public:
       /// Constant type
-      std::string m_type;
+      std::string dataType;
       /// Standard constructor
       ConstantObject(const std::string& nam, const std::string& val, const std::string& typ);
       /// Default destructor
diff --git a/DDCore/src/Objects.cpp b/DDCore/src/Objects.cpp
index 32266010719f3165dd9718830a5d5a3772d825cd..b16e8490ca1dfb44d5fa94d41bb5ddc293a550ef 100644
--- a/DDCore/src/Objects.cpp
+++ b/DDCore/src/Objects.cpp
@@ -142,9 +142,9 @@ Constant::Constant(const string& name) {
 }
 
 /// Access the constant
-string Constant::type() const   {
+string Constant::dataType() const   {
   if ( isValid() )  {
-    return m_element->type;
+    return m_element->dataType;
   }
   throw runtime_error("DD4hep: Attempt to access internals from invalid Constant handle!");
 }
@@ -153,7 +153,7 @@ string Constant::type() const   {
 string Constant::toString() const {
   stringstream os;
   os << m_element->GetName() << "  \"" << m_element->GetTitle() << "\"  ";
-  if ( m_element->m_type == "string" ) os << "Value:" << m_element->GetTitle();
+  if ( m_element->dataType == "string" ) os << "Value:" << m_element->GetTitle();
   else os << "Value:" << _toDouble(m_element->GetTitle());
   return os.str();
 }
diff --git a/DDCore/src/ObjectsInterna.cpp b/DDCore/src/ObjectsInterna.cpp
index 68b0d2057bfb15f54f1e8852050568e9adffb1e0..f7d0a4a2f1a02015c6278b26e7cad86da4fc9ca9 100644
--- a/DDCore/src/ObjectsInterna.cpp
+++ b/DDCore/src/ObjectsInterna.cpp
@@ -46,7 +46,7 @@ DD4HEP_INSTANTIATE_HANDLE_NAMED(ConstantObject);
 /// Standard constructor
 ConstantObject::ConstantObject(const string& nam, const string& val, const string& typ)
   : NamedObject(nam.c_str(), val.c_str()) {
-  m_type = typ;
+  dataType = typ;
   InstanceCount::increment(this);
 }
 
diff --git a/DDDetectors/compact/SiD_Markus.xml b/DDDetectors/compact/SiD_Markus.xml
new file mode 100644
index 0000000000000000000000000000000000000000..291df9cd849c7ecc321a8f2e64f05116d4dd8e79
--- /dev/null
+++ b/DDDetectors/compact/SiD_Markus.xml
@@ -0,0 +1,325 @@
+<lccdd xmlns:compact="http://www.lcsim.org/schemas/compact/1.0" 
+       xmlns:xs="http://www.w3.org/2001/XMLSchema" 
+       xs:noNamespaceSchemaLocation="http://www.lcsim.org/schemas/compact/1.0/compact.xsd">
+
+  <info name="clic_sid_cdr"
+        title="CLIC Silicon Detector CDR"
+        author="Christian Grefe"
+        url="https://twiki.cern.ch/twiki/bin/view/CLIC/ClicSidCdr"
+        status="development"
+        version="$Id: compact.xml 1374 2014-11-05 10:49:55Z markus.frank@cern.ch $">
+    <comment>The compact format for the CLIC Silicon Detector used for the conceptual design report</comment>        
+  </info>
+
+  <includes>
+    <gdmlFile  ref="${materials_dir}/elements.xml"/>
+    <gdmlFile  ref="${materials_dir}/materials.xml"/>
+  </includes>
+  
+  <define>
+    <constant name="materials_dir" value="." type="string"/>;
+    <constant name="SiD_dir" value="./SiD" type="string"/>;
+    <constant name="world_side" value="30000*mm"/>
+    <constant name="world_x" value="world_side"/>
+    <constant name="world_y" value="world_side"/>
+    <constant name="world_z" value="world_side"/>
+    
+    <constant name="CrossingAngle" value="0.020*rad"/>
+    
+    <constant name="CaloSides" value="12"/>
+    <constant name="MuonSides" value="8"/>
+    
+    <constant name="EcalBarrel_ID" value="6"/>
+    <constant name="EcalBarrel_rmin" value="126.50*cm + world_side - world_side"/>
+    <constant name="EcalBarrel_rmin" value="126.50*cm"/>
+    <constant name="EcalBarrel_zmax" value="176.50*cm"/>
+
+    <constant name="EcalEndcap_ID" value="7"/>
+    <constant name="EcalEndcap_rmin" value="21.0*cm"/>
+    <!-- Correction from going from inner circle to outer circle -->
+    <constant name="EcalEndcap_rmax" value="(EcalBarrel_rmin - 1.5*cm) / (cos(pi/CaloSides))"/> 
+    <constant name="EcalEndcap_zmin" value="165.70*cm"/>
+    
+    <constant name="HcalBarrel_ID" value="8"/>
+    <constant name="HcalBarrel_rmin" value="141.90*cm"/>
+    <constant name="HcalBarrel_layers" value="(int) 75"/>
+    <constant name="HcalBarrel_layer_thickness" value="1.0*cm + 0.65*cm"/>
+
+    <constant name="HcalEndcap_ID" value="9"/>
+    <constant name="HcalEndcap_zmin" value="EcalBarrel_zmax + 4.0*cm"/> <!-- Gap for cables -->
+    <constant name="HcalEndcap_rmin" value="50.0*cm"/>
+    <!-- Correction from going from inner circle to outer circle -->
+    <constant name="HcalEndcap_rmax" value="(HcalBarrel_rmin + HcalBarrel_layers * HcalBarrel_layer_thickness) / (cos(pi/CaloSides))"/>
+    <constant name="HcalEndcap_layers" value="60"/>
+    <constant name="HcalEndcap_layer_thickness" value="2.0*cm + 0.65*cm"/>
+    <constant name="HcalEndcap_zmax" value="HcalEndcap_zmin + HcalEndcap_layers * HcalEndcap_layer_thickness"/>
+
+    <constant name="HcalPlug_ID" value="10"/>
+
+    
+    <constant name="tracking_region_radius" value="EcalBarrel_rmin - 1.0*mm"/>
+    <constant name="tracking_region_zmax" value="EcalEndcap_zmin - 1.0*mm"/>
+    <constant name="VXD_CF_sensor" value="0.026*cm"/>
+    <constant name="VXD_CF_support" value="0.05*cm"/>
+    
+    <constant name="SolenoidBarrelInnerRadius" value="HcalEndcap_rmax + 2.0*cm"/>
+    <constant name="SolenoidCoilOuterZ" value="HcalEndcap_zmax"/> <!-- Aligned with HCAL endcap -->
+    <constant name="SolenoidBarrelInnerCryostatThickness" value="3.0*cm"/>
+    <constant name="SolenoidBarrelInnerAirgapThickness" value="11.0*cm"/>
+    <constant name="SolenoidBarrelAlConductorThickness" value="38.4*cm"/>
+    <constant name="SolenoidBarrelQuenchbackThickness" value="5.0*cm"/>
+    <constant name="SolenoidBarrelOuterAirgapThickness" value="18.7*cm"/>
+    <constant name="SolenoidBarrelOuterCryostatThickness" value="4.0*cm"/>
+    <constant name="SolenoidEndcapCryostatThickness" value="6.0*cm"/>
+    <constant name="SolenoidEndcapAirgapThickness" value="12.0*cm"/>
+    <constant name="SolenoidBarrelOuterZ" value="SolenoidCoilOuterZ+SolenoidEndcapAirgapThickness"/>
+    <constant name="SolenoidBarrelConductorInnerRadius" value="SolenoidBarrelInnerRadius + SolenoidBarrelInnerCryostatThickness + SolenoidBarrelInnerAirgapThickness"/>
+    <constant name="SolenoidBarrelOuterCryostatInnerRadius" value="SolenoidBarrelConductorInnerRadius + SolenoidBarrelAlConductorThickness + SolenoidBarrelQuenchbackThickness"/>
+    <constant name="SolenoidBarrelOuterRadius" value="SolenoidBarrelOuterCryostatInnerRadius + SolenoidBarrelOuterAirgapThickness + SolenoidBarrelOuterCryostatThickness"/>
+    <constant name="SolenoidalFieldRadius" value="(SolenoidBarrelConductorInnerRadius + SolenoidBarrelAlConductorThickness / 2.0)"/>
+    
+
+    <constant name="MuonBarrel_ID" value="11"/>
+    <constant name="MuonBarrel_rmin" value="SolenoidBarrelOuterRadius + 1.0*cm"/>
+    <constant name="MuonBarrel_zmax" value="SolenoidBarrelOuterZ + SolenoidEndcapCryostatThickness"/>
+    <constant name="MuonBarrel_layers" value="15"/>
+    <constant name="MuonBarrel_layer_thickness" value="10.0*cm + 4.0*cm"/>
+
+    <constant name="MuonEndcap_ID" value="12"/>
+    <constant name="MuonEndcap_zmin" value="MuonBarrel_zmax + 10.0*cm"/> <!-- Space for cables etc. -->
+    <constant name="MuonEndcap_rmin" value="69.0*cm"/> <!-- Space for QD0 and anti-solenoid-->
+    <!-- Correction from going from inner circle to outer circle -->
+    <constant name="MuonEndcap_rmax" value="(MuonBarrel_rmin + 57.0*cm + MuonBarrel_layers*MuonBarrel_layer_thickness) / (cos(pi/MuonSides))"/> 
+    <constant name="MuonEndcap_layers" value="18"/>
+    <constant name="MuonEndcap_layer_thickness" value="10.0*cm + 4.0*cm"/>
+    <constant name="MuonEndcap_zmax" value="MuonEndcap_zmin + MuonEndcap_layers * MuonEndcap_layer_thickness"/>
+    
+    <constant name="LumiCal_rmin" value="6.4*cm"/>
+    <constant name="LumiCal_rmax" value="EcalEndcap_rmin + 3.0*cm"/>
+    <constant name="LumiCal_zmin" value="HcalEndcap_zmin"/>
+    <constant name="LumiCal_thickness" value="20*0.371*cm + 15*0.643*cm"/>
+    <constant name="LumiCal_zmax" value="LumiCal_zmin + LumiCal_thickness"/>
+    <constant name="LumiCalElectronics_rmax" value="LumiCal_rmax+5.0*cm"/>
+    
+    <constant name="SupportTube_thickness" value="1.0*cm"/>
+    <constant name="ForwardVacuumValve_thickness" value="36.0*cm"/>
+    <constant name="ForwardShielding_thickness" value="5.0*cm"/>
+    <constant name="ForwardMask_thickness" value="10.0*cm"/>
+    <constant name="ForwardMask_zmin" value="LumiCal_zmax + ForwardShielding_thickness + ForwardVacuumValve_thickness"/>
+    
+    <constant name="VertexSupport_r1" value="16.87*cm"/>
+    <constant name="VertexSupport_r2" value="18.42*cm"/>
+    <constant name="VertexSupport_zmax" value="89.48*cm"/>
+    
+
+    <constant name="VertexBarrel_ID" value="1"/>
+    <constant name="VertexBarrel_zmax" value="10.0*cm"/>
+    <constant name="VertexBarrel_r1" value="2.7*cm"/>
+    <constant name="VertexBarrel_r2" value="3.8*cm"/>
+    <constant name="VertexBarrel_r3" value="5.1*cm"/>
+    <constant name="VertexBarrel_r4" value="6.4*cm"/>
+    <constant name="VertexBarrel_r5" value="7.7*cm"/>
+
+    
+    <constant name="CentralBeamPipe_zmax" value="23.0*cm"/>
+    <constant name="CentralBeamPipe_rmax" value="VertexBarrel_r1 - 0.2*cm"/>
+    <constant name="CentralBeamPipe_thickness" value="CentralBeamPipe_rmax * 0.02"/> <!-- 1% of the diameter -->
+    <constant name="CentralBeamPipe_rmin" value="CentralBeamPipe_rmax - CentralBeamPipe_thickness"/>
+    <constant name="BeamPipe_thickness" value="0.4*cm"/>
+    <constant name="BeamPipe_endThickness" value="0.1*cm"/>
+    <constant name="BeamPipe_zmax" value="LumiCal_zmin - 0.5*cm"/>
+    <constant name="BeamPipe_rmax" value="19.0*cm"/>
+    <constant name="BeamPipe_rmin" value="BeamPipe_rmax - BeamPipe_thickness"/>
+    <constant name="bp_cone_slope" value="(BeamPipe_rmax-CentralBeamPipe_rmax)/(tracking_region_zmax-CentralBeamPipe_zmax)"/>
+    <constant name="BeamPipe_zmin" value="CentralBeamPipe_zmax + (BeamPipe_thickness - CentralBeamPipe_thickness)/bp_cone_slope"/>
+    <constant name="BeamPipeLiner_thickness" value="0.0*cm"/>
+
+    <constant name="VertexEndcap_ID" value="2"/>
+    <constant name="VertexEndcap_rmax" value="11.5*cm"/>
+    <constant name="VertexEndcap_z1" value="12.0*cm"/>
+    <constant name="VertexEndcap_z2" value="16.0*cm"/>
+    <constant name="VertexEndcap_z3" value="20.0*cm"/>
+    <constant name="VertexEndcap_z4" value="24.0*cm"/>
+    <constant name="VertexEndcap_offset" value="0.2*cm"/>
+    <constant name="VertexEndcapModules" value="16"/>
+    <constant name="VertexEndcap_rmin1" value="CentralBeamPipe_rmax + VertexEndcap_offset"/>
+    <constant name="VertexEndcap_rmin2" value="CentralBeamPipe_rmax + VertexEndcap_offset"/>
+    <constant name="VertexEndcap_rmin3" value="CentralBeamPipe_rmax + VertexEndcap_offset"/>
+    <constant name="VertexEndcap_rmin4" value="(VertexEndcap_z4 - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax + VertexEndcap_offset"/>
+    
+    <constant name="SiTrackerBarrel_ID" value="3"/>
+    <constant name="SiTrackerEndcap_ID" value="4"/>
+
+    <constant name="ForwardTracker_ID" value="5"/>
+    <constant name="ForwardTrackerModules" value="16"/>
+    <constant name="ForwardTracker_rmax" value="16.87*cm"/>
+    <constant name="ForwardTracker_z1" value="28.0*cm"/>
+    <constant name="ForwardTracker_z2" value="50.0*cm"/>
+    <constant name="ForwardTracker_z3" value="83.0*cm"/>
+    <constant name="ForwardTracker_offset" value="0.2*cm"/>
+    <constant name="ForwardTracker_rmin1" value="(ForwardTracker_z1 - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax + ForwardTracker_offset"/>
+    <constant name="ForwardTracker_rmin2" value="(ForwardTracker_z2 - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax + ForwardTracker_offset"/>
+    <constant name="ForwardTracker_rmin3" value="(ForwardTracker_z3 - CentralBeamPipe_zmax)*bp_cone_slope + CentralBeamPipe_rmax + ForwardTracker_offset"/>
+    
+    <constant name="VertexService_zmin" value="ForwardTracker_z1 + 1.0*cm"/>
+    <constant name="VertexService_zmax" value="VertexService_zmin + 2.0*cm"/>
+    <constant name="VertexServiceThickness" value="0.3*cm"/>
+    <constant name="VertexCableThickness" value="0.005*cm"/>
+    
+    <constant name="BeamCal_rmax" value="13.0*cm"/>
+    <constant name="BeamCal_zmin" value="ForwardMask_zmin + ForwardMask_thickness"/>
+
+    <constant name="IncomingBP_radius" value="0.25*cm"/>
+    <constant name="IncomingBP_thickness" value="0.05*cm"/>
+    <constant name="OutgoingBP_radius" value="tan(CrossingAngle/2/rad)*BeamCal_zmin"/>
+    <constant name="OutgoingBP_thickness" value="0.1*cm"/>    
+
+    <constant name="BeamCal_crossingAngle" value="CrossingAngle"/>    
+    <constant name="BeamCal_outgoing_r" value="OutgoingBP_radius + 0.05*cm"/>    
+    <constant name="BeamCal_incoming_r" value="IncomingBP_radius + 0.05*cm"/>    
+
+  </define>
+
+
+  <limits>
+    <limitset name="cal_limits">
+      <limit name="step_length_max" particles="*" value="5.0" unit="mm" />
+    </limitset>
+    <limitset name="SiTrackerBarrelRegionLimitSet">
+      <limit name="step_length_max" particles="*" value="5.0" unit="mm" />
+      <limit name="track_length_max" particles="*" value="5.0" unit="mm" />
+      <limit name="time_max" particles="*" value="5.0" unit="ns" />
+      <limit name="ekin_min" particles="*" value="0.01" unit="MeV" />
+      <limit name="range_min" particles="*" value="5.0" unit="mm" />
+    </limitset>
+  </limits>
+  <regions>
+    <region name="SiTrackerBarrelRegion" eunit="MeV" lunit="mm" cut="0.001" threshold="0.001">
+      <limitsetref name="SiTrackerBarrelRegionLimitSet"/>
+    </region>
+  </regions>
+
+
+  <comment>Common Generic visualization attributes</comment>
+  <display>
+    <vis name="InvisibleNoDaughters"      showDaughters="false" visible="false"/>
+    <vis name="InvisibleWithDaughters"    showDaughters="true" visible="false"/>
+    <vis name="GreenVis"   alpha="1" r="0.0" g="1.0" b="0.0" showDaughters="true" visible="true"/>
+    <vis name="RedVis"     alpha="1" r="1.0" g="0.0" b="0.0" showDaughters="true" visible="true"/>
+    <vis name="BlueVis"    alpha="1" r="0.0" g="0.0" b="1.0" showDaughters="true" visible="true"/>
+  </display>
+
+  <comment>Additional design specific material definitions</comment>
+  <include ref="${SiD_dir}/SiD_Materials.xml"/>
+<!--
+  <display>
+    <vis name="SiTrackerLayerVis"   alpha="1.0" r="1.0" g="1.0" b="0.6" showDaughters="true" visible="true"/>
+    <vis name="SiTrackerModuleVis"  alpha="0.1" r="0.0" g="1.0" b="0.6" showDaughters="false" visible="true"/>
+    <vis name="SiTrackerForwardVis" alpha="1.0" r="0.8" g="0.1" b="0.1" showDaughters="false" visible="true"/>
+  </display>
+
+  <readouts>
+    <readout name="SiTrackerBarrelHits">
+      <id>system:8,barrel:3,layer:4,module:14,sensor:2,side:32:-2,strip:20</id>
+    </readout>
+  </readouts>
+-->  
+  <!--  Includes for sensitives and support                -->
+  <!-- include ref="SiD/SiD_TrackerBarrel.xml" -->
+
+  <comment>Tracking detectors</comment>
+   <include ref="${SiD_dir}/SiD_Tracker.xml"/>
+   <plugins>
+    <plugin name="DD4hep_SiTrackerBarrelSurfacePlugin">
+      <argument value="SiTrackerBarrel"/>
+    </plugin>
+  </plugins>
+
+<!--
+
+  <include ref="SiD/SiD_Ecal.xml"/>
+  <plugins>
+    <plugin name="TestSurfaces"><argument value="EcalEndcap"/></plugin>
+    <plugin name="DD4hep_PolyhedraEndcapCalorimeterSurfacePlugin"><argument value="EcalEndcap"/></plugin>
+    <plugin name="DD4hep_SiTrackerBarrelSurfacePlugin"><argument value="EcalBarrel"/></plugin>
+  </plugins>
+
+    <plugin name="DD4hep_SiTrackerBarrelSurfacePlugin">
+      <argument value="SiTrackerBarrel"/>
+    </plugin>
+    <plugin name="TestSurfaces"><argument value="SiTrackerBarrel"/></plugin>
+
+    <plugin name="TestSurfaces">                       <argument value="EcalEndcap"/></plugin>
+    <plugin name="DD4hep_SiTrackerEndcapSurfacePlugin"><argument value="EcalEndcap"/></plugin>
+
+    <plugin name="SubdetectorExtensionPlugin">         <argument value="EcalEndcap"/></plugin>
+    <plugin name="LayeringExtensionPlugin">            <argument value="EcalEndcap"/></plugin>
+
+  <include ref="SiD/SiD_Ecal.xml"/>
+    <plugin name="TestSurfaces">                       <argument value="EcalBarrel"/></plugin>
+    <plugin name="SubdetectorExtensionPlugin">         <argument value="EcalBarrel"/></plugin>
+    <plugin name="LayeringExtensionPlugin">            <argument value="EcalBarrel"/></plugin>
+    <plugin name="DD4hep_SiTrackerBarrelSurfacePlugin"><argument value="EcalBarrel"/></plugin>
+
+  <include ref="SiD/SiD_HcalBarrel.xml"/>
+    <plugin name="TestSurfaces">                       <argument value="HcalBarrel"/></plugin>
+    <plugin name="SubdetectorExtensionPlugin">         <argument value="HcalBarrel"/></plugin>
+    <plugin name="LayeringExtensionPlugin">            <argument value="HcalBarrel"/></plugin>
+    <plugin name="DD4hep_SiTrackerBarrelSurfacePlugin"><argument value="HcalBarrel"/></plugin>
+
+  <include ref="SiD/SiD_Muon.xml"/>
+  <plugins>
+    <plugin name="SubdetectorExtensionPlugin">         <argument value="MuonBarrel"/></plugin>
+    <plugin name="LayeringExtensionPlugin">            <argument value="MuonBarrel"/></plugin>
+    <plugin name="DD4hep_SiTrackerBarrelSurfacePlugin"><argument value="MuonBarrel"/></plugin>
+  </plugins>
+-->
+<!--
+  <plugins>
+    <plugin name="TestSurfaces">
+      <argument value="SiTrackerEndcap"/>
+    </plugin>
+  </plugins>
+
+  <include ref="SiD/SiD_Tracker.xml"/>
+  <plugins>
+    <plugin name="DD4hep_SiTrackerEndcapSurfacePlugin">
+      <argument value="SiTrackerEndcap"/>
+    </plugin>
+  </plugins>
+  <plugins>
+    <plugin name="DD4hep_SiTrackerBarrelSurfacePlugin">
+      <argument value="SiTrackerBarrel"/>
+    </plugin>
+  </plugins>
+  <include ref="SiD/SiD_TrackerEndcap.xml"/>
+  <include ref="SiD/SiD_TrackerBarrel.xml"/>
+-->
+<!--
+  <include ref="SiD/SiD_Vertex.xml"/>
+
+  <comment>Calorimeters</comment>
+  <include ref="SiD/SiD_Ecal.xml"/>
+  <include ref="SiD/SiD_Hcal.xml"/>
+  <include ref="SiD/SiD_HcalPlug.xml"/>
+  <include ref="SiD/SiD_Muon.xml"/>
+  <include ref="SiD/SiD_Lumical.xml"/>
+  <include ref="SiD/SiD_Beamcal.xml"/>
+
+  <comment>Dead material and supports</comment>
+  <include ref="SiD/SiD_Solenoid.xml"/>
+  <include ref="SiD/SiD_Shields.xml"/>
+
+  <comment>Beampipe</comment>
+  <include ref="SiD/SiD_Beampipe.xml"/>
+  
+  <fields>
+    <field name="GlobalSolenoid" type="solenoid" 
+	   inner_field="5.0*tesla"
+	   outer_field="-1.5*tesla" 
+	   zmax="SolenoidCoilOuterZ"
+	   outer_radius="SolenoidalFieldRadius">
+    </field>
+  </fields>
+-->
+</lccdd>
diff --git a/DDG4/examples/CLICSidSimuLCIO.py b/DDG4/examples/CLICSidSimuLCIO.py
index f3ad1b4e89441fcbe61719b407ca1c0b514a23ef..49f8861de38df01eefc17890bc751bae044a94c1 100644
--- a/DDG4/examples/CLICSidSimuLCIO.py
+++ b/DDG4/examples/CLICSidSimuLCIO.py
@@ -78,18 +78,21 @@ def run():
   kernel.generatorAction().add(rdr)
   """
 
-  # Setup global filters fur use in sensntive detectors
+  # Setup global filters fur use in sensintive detectors
   f1 = DDG4.Filter(kernel,'GeantinoRejectFilter/GeantinoRejector')
+  kernel.registerGlobalFilter(f1)
+
   f2 = DDG4.Filter(kernel,'ParticleRejectFilter/OpticalPhotonRejector')
   f2.particle = 'opticalphoton'
+  kernel.registerGlobalFilter(f2)
+
   f3 = DDG4.Filter(kernel,'ParticleSelectFilter/OpticalPhotonSelector') 
   f3.particle = 'opticalphoton'
+  kernel.registerGlobalFilter(f3)
+
   f4 = DDG4.Filter(kernel,'EnergyDepositMinimumCut')
   f4.Cut = 10*MeV
   f4.enableUI()
-  kernel.registerGlobalFilter(f1)
-  kernel.registerGlobalFilter(f2)
-  kernel.registerGlobalFilter(f3)
   kernel.registerGlobalFilter(f4)
 
   # First the tracking detectors
diff --git a/DDG4/lcio/LCIOEventReader.cpp b/DDG4/lcio/LCIOEventReader.cpp
index 0272241b6c8514649113cce1926feeb504344551..a6a94eaa6f61be7b104849f79da349cf45e95245 100644
--- a/DDG4/lcio/LCIOEventReader.cpp
+++ b/DDG4/lcio/LCIOEventReader.cpp
@@ -30,6 +30,7 @@ typedef DD4hep::ReferenceBitMask<int> PropertyMask;
 namespace DD4hep{namespace Simulation{typedef Geant4InputAction LCIOInputAction;}}
 DECLARE_GEANT4ACTION(LCIOInputAction)
 
+
 namespace {
   inline int GET_ENTRY(const map<EVENT::MCParticle*,int>& mcparts, EVENT::MCParticle* part)  {
     map<EVENT::MCParticle*,int>::const_iterator ip=mcparts.find(part);
@@ -76,13 +77,12 @@ LCIOEventReader::readParticles(int event_number, vector<Particle*>& particles)
 
   mcpcoll.resize(NHEP,0);
   for(int i=0; i<NHEP; ++i ) {
-    EVENT::MCParticle* p=dynamic_cast<EVENT::MCParticle*>(primaries->getElementAt(i));
+    EVENT::MCParticle* p = dynamic_cast<EVENT::MCParticle*>(primaries->getElementAt(i));
     mcparts[p] = i;
     mcpcoll[i] = p;
   }
 
   // build collection of MCParticles
-  G4ParticleTable*      tab = G4ParticleTable::GetParticleTable();
   for(int i=0; i<NHEP; ++i )   {
     EVENT::MCParticle* mcp = mcpcoll[i];
     Geant4ParticleHandle p(new Particle(i));
@@ -91,11 +91,9 @@ LCIOEventReader::readParticles(int event_number, vector<Particle*>& particles)
     const double *vex   = mcp->getEndpoint();
     const float  *spin  = mcp->getSpin();
     const int    *color = mcp->getColorFlow();
-    int     pdg   = mcp->getPDG();
-    //if ( 0 == pdg ) pdg = 211;
-    const G4ParticleDefinition* def = tab->FindParticle(pdg);
+    const int     pdg   = mcp->getPDG();
     PropertyMask status(p->status);
-    p->pdgID        = pdg;//mcp->getPDG();
+    p->pdgID        = pdg;
     p->charge       = int(mcp->getCharge()*3.0);
     p->psx          = mom[0]*GeV;
     p->psy          = mom[1]*GeV;
@@ -108,7 +106,6 @@ LCIOEventReader::readParticles(int event_number, vector<Particle*>& particles)
     p->vex          = vex[0]*mm;
     p->vey          = vex[1]*mm;
     p->vez          = vex[2]*mm;
-    //p->definition   = def;
     p->process      = 0;
     p->spin[0]      = spin[0];
     p->spin[1]      = spin[1];
diff --git a/DDG4/python/DDG4.py b/DDG4/python/DDG4.py
index 5f606ad060d198478a9e8e1e6050cd82e2bd3cd8..99d178d9459d30d04e8407e2803d9101ab293669 100644
--- a/DDG4/python/DDG4.py
+++ b/DDG4/python/DDG4.py
@@ -55,8 +55,12 @@ def importConstants(lcdd,namespace=None,debug=False):
   cnt = 0
   num = 0
   todo = {}
-  for c in lcdd.constants(): 
-    todo[c.first] = c.second.GetTitle().replace('(int)','')
+  strings = {}
+  for c in lcdd.constants():
+    if c.second.dataType != 'string':
+      strings[c.first] = c.second.GetTitle()
+    else:
+      todo[c.first] = c.second.GetTitle().replace('(int)','')
   while len(todo) and cnt<100:
     cnt = cnt + 1
     if cnt == 100:
@@ -264,6 +268,8 @@ class Simple:
   def setupDetector(self,name,sensitive_type):
     seq = SensitiveSequence(self.kernel,'Geant4SensDetActionSequence/'+name)
     act = SensitiveAction(self.kernel,sensitive_type+'/'+name+'Handler',name)
+    seq.enableUI()
+    act.enableUI()
     seq.add(act)
     return (seq,act)
 
diff --git a/doc/doxygen/DD4hepMainpage.dox b/doc/doxygen/DD4hepMainpage.dox
index be887d8cd110110fdcc63799c6ae2ce751b8cc23..129a4ae67bf2a2edde43789bedeff3f5cd11ed18 100644
--- a/doc/doxygen/DD4hepMainpage.dox
+++ b/doc/doxygen/DD4hepMainpage.dox
@@ -221,6 +221,7 @@ Here you can find the manuals:
 - The <A href="../DDEveManual.pdf">DDEve manual</A> to visualize DD4hep geometries.
   (Under construction though).
 - <A href="../DD4hep_Diagrams.pdf">UML diagrams</A> from the design phase
+- <A href="../refman.pdf">Doxygen Manual</A> in pdf format
 - <A href="../DD4hep_Tutorial.pdf">Tutorial</A>. Relatively old...
 - <A href="http://cds.cern.ch/record/1473120/files/AIDA-D2_3.pdf">Design document</A>
 - <A href="https://sft.its.cern.ch/jira/browse/DDFORHEP">DD4hep bug tracker</A>