diff --git a/DDDetectors/CMakeLists.txt b/DDDetectors/CMakeLists.txt
index 9183ebaa3da90c7deffcd9f5b4a4c65f88868239..d156d1dc852a762e9b94cf6889b4f8410b418885 100644
--- a/DDDetectors/CMakeLists.txt
+++ b/DDDetectors/CMakeLists.txt
@@ -1,25 +1,36 @@
-#-----------------------------------------------------------------------------------
+# $Id: Handle.h 570 2013-05-17 07:47:11Z markus.frank $
+#==========================================================================
+#  AIDA Detector description implementation for LCD
+#--------------------------------------------------------------------------
+# Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+# All rights reserved.
+#
+# For the licensing terms see $DD4hepINSTALL/LICENSE.
+# For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
+#
+#==========================================================================
+#--------------------------------------------------------------------------
 #  DDDetectors
 #
 #  Author:  M.Frank
 #  Date:    13/11/2014
 #
-#-----------------------------------------------------------------------------------
+#--------------------------------------------------------------------------
 #
-#---Find ROOT-----------------------------------------------------------------------
+#---Find ROOT--------------------------------------------------------------
 find_package( ROOT REQUIRED COMPONENTS Geom )
-#---Find and configure DD4hep basics------------------------------------------------
+#---Find and configure DD4hep basics---------------------------------------
 include(DD4hep)
-#---Find and configure Xerces-------------------------------------------------------
+#---Find and configure Xerces----------------------------------------------
 include(DD4hep_XML_setup)
 #
-#---Includedirs---------------------------------------------------------------------
+#---Includedirs------------------------------------------------------------
 include_directories(${CMAKE_SOURCE_DIR}/DDCore/include
 	            ${CMAKE_SOURCE_DIR}/DDRec/include	
 	            ${CMAKE_SOURCE_DIR}/DDSurfaces/include	
 	            ${CMAKE_SOURCE_DIR}/DDSegmentation/include	
                     ${ROOT_INCLUDE_DIR} )
-#---Add Library---------------------------------------------------------------------
+#---Add Library------------------------------------------------------------
 file(GLOB sources src/*.cpp )
 
 add_dd4hep_plugin( DDDetectors SHARED ${sources})
@@ -28,7 +39,7 @@ SET_TARGET_PROPERTIES(DDDetectors PROPERTIES VERSION ${DD4hep_VERSION} SOVERSION
 
 
 #
-#--- install target-----------------------------------------------------------------
+#--- install target--------------------------------------------------------
 install( TARGETS DDDetectors LIBRARY DESTINATION lib )
 
 install( DIRECTORY compact
@@ -36,4 +47,4 @@ install( DIRECTORY compact
   PATTERN ".svn" EXCLUDE )
 
 # to do: add corresponding uninstall...
-#-----------------------------------------------------------------------------------
+#--------------------------------------------------------------------------
diff --git a/DDDetectors/src/BoxSegment_geo.cpp b/DDDetectors/src/BoxSegment_geo.cpp
index 305f4d4eeb467e6d84dd690692e866fcbdfd72ec..78dad4e246ad4ad894d92c218b958883571f8863 100644
--- a/DDDetectors/src/BoxSegment_geo.cpp
+++ b/DDDetectors/src/BoxSegment_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: BoxDetector_geo.cpp 633 2013-06-21 13:50:50Z markus.frank $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 
 using namespace std;
diff --git a/DDDetectors/src/CylindricalBarrelCalorimeter_geo.cpp b/DDDetectors/src/CylindricalBarrelCalorimeter_geo.cpp
index d5faddfc3505fd90494ed115db171fc57ddf5d94..2f89637fb15079dd17b3b278b41a17b9c5118231 100644
--- a/DDDetectors/src/CylindricalBarrelCalorimeter_geo.cpp
+++ b/DDDetectors/src/CylindricalBarrelCalorimeter_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: CylindricalBarrelCalorimeter_geo.cpp 1306 2014-08-22 12:29:38Z markus.frank@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 
 using namespace std;
@@ -34,21 +43,21 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)   {
       Volume layer_vol(layer_name,layer_tub,air);
         
       for(xml_coll_t l(x_layer,_U(slice)); l; ++l, ++m)  {
-	xml_comp_t x_slice = l;
-	double     router = r + x_slice.thickness();
-	Material   slice_mat  = lcdd.material(x_slice.materialStr());
-	string     slice_name = layer_name + _toString(m,"slice%d");
-	Tube       slice_tube(r,router,z*2);
-	Volume     slice_vol (slice_name,slice_tube,slice_mat);
+        xml_comp_t x_slice = l;
+        double     router = r + x_slice.thickness();
+        Material   slice_mat  = lcdd.material(x_slice.materialStr());
+        string     slice_name = layer_name + _toString(m,"slice%d");
+        Tube       slice_tube(r,router,z*2);
+        Volume     slice_vol (slice_name,slice_tube,slice_mat);
           
-	if ( x_slice.isSensitive() ) {
-	  sens.setType("calorimeter");
-	  slice_vol.setSensitiveDetector(sens);
-	}
-	r = router;
-	slice_vol.setAttributes(lcdd,x_slice.regionStr(),x_slice.limitsStr(),x_slice.visStr());
-	// Instantiate physical volume
-	layer_vol.placeVolume(slice_vol);
+        if ( x_slice.isSensitive() ) {
+          sens.setType("calorimeter");
+          slice_vol.setSensitiveDetector(sens);
+        }
+        r = router;
+        slice_vol.setAttributes(lcdd,x_slice.regionStr(),x_slice.limitsStr(),x_slice.visStr());
+        // Instantiate physical volume
+        layer_vol.placeVolume(slice_vol);
       }
       layer_vol.setVisAttributes(lcdd,x_layer.visStr());
       layer_tub.setDimensions(rlayer,r,z*2,0,2*M_PI);
diff --git a/DDDetectors/src/CylindricalEndcapCalorimeter_geo.cpp b/DDDetectors/src/CylindricalEndcapCalorimeter_geo.cpp
index 0387d11ddda7181dcb43c1d6010da7fe27d3c190..e6b9b23ecaa855173f0acaa8be79d3408d45b006 100644
--- a/DDDetectors/src/CylindricalEndcapCalorimeter_geo.cpp
+++ b/DDDetectors/src/CylindricalEndcapCalorimeter_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: CylindricalEndcapCalorimeter_geo.cpp 1306 2014-08-22 12:29:38Z markus.frank@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 #include "XML/Layering.h"
 
@@ -41,20 +50,20 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
       Volume     layer_vol(layer_name,Tube(rmin,rmax,layerWidth),air);
 
       for(xml_coll_t l(x_layer,_U(slice)); l; ++l, ++m)  {
-	xml_comp_t x_slice = l;
-	double     w = x_slice.thickness();
-	string     slice_name = layer_name + _toString(m+1,"slice%d");
-	Material   slice_mat  = lcdd.material(x_slice.materialStr());
-	Volume     slice_vol (slice_name,Tube(rmin,rmax,w),slice_mat);
+        xml_comp_t x_slice = l;
+        double     w = x_slice.thickness();
+        string     slice_name = layer_name + _toString(m+1,"slice%d");
+        Material   slice_mat  = lcdd.material(x_slice.materialStr());
+        Volume     slice_vol (slice_name,Tube(rmin,rmax,w),slice_mat);
 
-	if ( x_slice.isSensitive() )  {
-	  sens.setType("calorimeter");
-	  slice_vol.setSensitiveDetector(sens);
-	}
-	slice_vol.setAttributes(lcdd,x_slice.regionStr(),x_slice.limitsStr(),x_slice.visStr());
-	pv = layer_vol.placeVolume(slice_vol,Position(0,0,z-zlayer-layerWidth/2+w/2));
-	pv.addPhysVolID("slice",m+1);
-	z += w;
+        if ( x_slice.isSensitive() )  {
+          sens.setType("calorimeter");
+          slice_vol.setSensitiveDetector(sens);
+        }
+        slice_vol.setAttributes(lcdd,x_slice.regionStr(),x_slice.limitsStr(),x_slice.visStr());
+        pv = layer_vol.placeVolume(slice_vol,Position(0,0,z-zlayer-layerWidth/2+w/2));
+        pv.addPhysVolID("slice",m+1);
+        z += w;
       }
       layer_vol.setVisAttributes(lcdd,x_layer.visStr());
 
diff --git a/DDDetectors/src/DiskTracker_geo.cpp b/DDDetectors/src/DiskTracker_geo.cpp
index fe97527c6b01e14514264096a6b3e3b35663be11..6dbe6aed4e91338af72a92ae2680ad59b0e16e13 100644
--- a/DDDetectors/src/DiskTracker_geo.cpp
+++ b/DDDetectors/src/DiskTracker_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: DiskTracker_geo.cpp 1306 2014-08-22 12:29:38Z markus.frank@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 
 using namespace std;
diff --git a/DDDetectors/src/EcalBarrel_geo.cpp b/DDDetectors/src/EcalBarrel_geo.cpp
index 45b88d4875632e8aed31b86978ea94a70739a55c..b2fb695f422d649f032b6fa2341d345df22454df 100644
--- a/DDDetectors/src/EcalBarrel_geo.cpp
+++ b/DDDetectors/src/EcalBarrel_geo.cpp
@@ -1,14 +1,22 @@
-// $Id: EcalBarrel_geo.cpp 1306 2014-08-22 12:29:38Z markus.frank@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 #include "XML/Layering.h"
-#include "TGeoTrd2.h"
 
 using namespace std;
 using namespace DD4hep;
@@ -53,10 +61,10 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
 		
   // Create the trapezoid for the stave.
   Trapezoid trd(trd_x1, // Outer side, i.e. the "short" X side.
-		trd_x2, // Inner side, i.e. the "long"  X side.
-		trd_y1, // Corresponds to subdetector (or module) Z.
-		trd_y2, //
-		trd_z); // Thickness, in Y for top stave, when rotated.
+                trd_x2, // Inner side, i.e. the "long"  X side.
+                trd_y1, // Corresponds to subdetector (or module) Z.
+                trd_y2, //
+                trd_z); // Thickness, in Y for top stave, when rotated.
 
   Volume mod_vol("stave",trd,air);
 
@@ -78,30 +86,30 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
       int repeat = x_layer.repeat();
       // Loop over number of repeats for this layer.
       for (int j=0; j<repeat; j++)    {
-	string l_name = _toString(l_num,"layer%d");
-	double l_thickness = layering.layer(l_num-1)->thickness();  // Layer's thickness.
-	double xcut = (l_thickness / tan_beta);                     // X dimension for this layer.
-	l_dim_x -= xcut/2;
-
-	Position   l_pos(0,0,l_pos_z+l_thickness/2);      // Position of the layer.
-	Box        l_box(l_dim_x*2-tolerance,stave_z*2-tolerance,l_thickness-tolerance);
-	Volume     l_vol(l_name,l_box,air);
-	DetElement layer(stave_det, l_name, det_id);
-
-	// Loop over the sublayers or slices for this layer.
-	int s_num = 1;
-	double s_pos_z = -(l_thickness / 2);
-	for(xml_coll_t si(x_layer,_U(slice)); si; ++si)  {
-	  xml_comp_t x_slice = si;
-	  string     s_name  = _toString(s_num,"slice%d");
-	  double     s_thick = x_slice.thickness();
-	  Box        s_box(l_dim_x*2-tolerance,stave_z*2-tolerance,s_thick-tolerance);
-	  Volume     s_vol(s_name,s_box,lcdd.material(x_slice.materialStr()));
+        string l_name = _toString(l_num,"layer%d");
+        double l_thickness = layering.layer(l_num-1)->thickness();  // Layer's thickness.
+        double xcut = (l_thickness / tan_beta);                     // X dimension for this layer.
+        l_dim_x -= xcut/2;
+
+        Position   l_pos(0,0,l_pos_z+l_thickness/2);      // Position of the layer.
+        Box        l_box(l_dim_x*2-tolerance,stave_z*2-tolerance,l_thickness-tolerance);
+        Volume     l_vol(l_name,l_box,air);
+        DetElement layer(stave_det, l_name, det_id);
+
+        // Loop over the sublayers or slices for this layer.
+        int s_num = 1;
+        double s_pos_z = -(l_thickness / 2);
+        for(xml_coll_t si(x_layer,_U(slice)); si; ++si)  {
+          xml_comp_t x_slice = si;
+          string     s_name  = _toString(s_num,"slice%d");
+          double     s_thick = x_slice.thickness();
+          Box        s_box(l_dim_x*2-tolerance,stave_z*2-tolerance,s_thick-tolerance);
+          Volume     s_vol(s_name,s_box,lcdd.material(x_slice.materialStr()));
           DetElement slice(layer,s_name,det_id);
 
           if ( x_slice.isSensitive() ) {
-	    s_vol.setSensitiveDetector(sens);
-	  }
+            s_vol.setSensitiveDetector(sens);
+          }
           slice.setAttributes(lcdd,s_vol,x_slice.regionStr(),x_slice.limitsStr(),x_slice.visStr());
 
           // Slice placement.
diff --git a/DDDetectors/src/ForwardDetector_geo.cpp b/DDDetectors/src/ForwardDetector_geo.cpp
index 91de3974a7e8beb7f6c9b5474bf2eb8098d6241f..c1ba5162aa8465a3730535e5ebc0bf1e3b9a8277 100644
--- a/DDDetectors/src/ForwardDetector_geo.cpp
+++ b/DDDetectors/src/ForwardDetector_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: ForwardDetector_geo.cpp 1306 2014-08-22 12:29:38Z markus.frank@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "XML/Layering.h"
 #include "DD4hep/DetFactoryHelper.h"
 
@@ -103,45 +112,45 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
       double slicePosZ = -layerThickness / 2;
       double sliceDisplZ = 0;
       for(xml_coll_t l(x_layer,_U(slice)); l; ++l)  {
-	xml_comp_t x_slice = l;
-	string slice_nam = _toString(sliceCount,"slice%d");
-	/** Get slice parameters. */
-	double sliceThickness = x_slice.thickness();
-	Material slice_mat = lcdd.material(x_slice.materialStr());
-
-	// Go to mid of this slice.
-	sliceDisplZ += sliceThickness / 2;
-	slicePosZ   += sliceThickness / 2;
-
-	// Slice's basic tube.
-	Tube sliceTube(rmin,rmax,sliceThickness);
-	DetElement slice(layer,slice_nam,sdet.id());
-	double sliceGlobalZ = zinner + (layerDisplZ - layerThickness / 2) + sliceDisplZ;
-	double slicePosX    = std::tan(xangleHalf) * sliceGlobalZ;
-
-	// First slice subtraction solid.
-	SubtractionSolid sliceSubtraction1(sliceTube,beamInTube,Transform3D(beamInRot,Position(slicePosX,0,0)));
-	// Second slice subtraction solid.
-	SubtractionSolid sliceSubtraction2(sliceSubtraction1,beamOutTube,Transform3D(beamOutRot,Position(-slicePosX,0,0))); 
-	// Slice LV.
-	Volume sliceVol(det_name+"_"+layer_nam+"_"+slice_nam, sliceSubtraction2, slice_mat);
-
-	if ( x_slice.isSensitive() ) {
-	  sens.setType("calorimeter");
-	  sliceVol.setSensitiveDetector(sens);
-	}
-	// Set attributes of slice
-	slice.setAttributes(lcdd, sliceVol, x_slice.regionStr(), x_slice.limitsStr(), x_slice.visStr());
-
-	// Place volume in layer
-	PlacedVolume pv = layerVol.placeVolume(sliceVol,Position(0,0,slicePosZ));
-	pv.addPhysVolID("slice",sliceCount);
-	slice.setPlacement(pv);
-
-	// Start of next slice.
-	sliceDisplZ += sliceThickness / 2;
-	slicePosZ   += sliceThickness / 2;
-	++sliceCount;
+        xml_comp_t x_slice = l;
+        string slice_nam = _toString(sliceCount,"slice%d");
+        /** Get slice parameters. */
+        double sliceThickness = x_slice.thickness();
+        Material slice_mat = lcdd.material(x_slice.materialStr());
+
+        // Go to mid of this slice.
+        sliceDisplZ += sliceThickness / 2;
+        slicePosZ   += sliceThickness / 2;
+
+        // Slice's basic tube.
+        Tube sliceTube(rmin,rmax,sliceThickness);
+        DetElement slice(layer,slice_nam,sdet.id());
+        double sliceGlobalZ = zinner + (layerDisplZ - layerThickness / 2) + sliceDisplZ;
+        double slicePosX    = std::tan(xangleHalf) * sliceGlobalZ;
+
+        // First slice subtraction solid.
+        SubtractionSolid sliceSubtraction1(sliceTube,beamInTube,Transform3D(beamInRot,Position(slicePosX,0,0)));
+        // Second slice subtraction solid.
+        SubtractionSolid sliceSubtraction2(sliceSubtraction1,beamOutTube,Transform3D(beamOutRot,Position(-slicePosX,0,0))); 
+        // Slice LV.
+        Volume sliceVol(det_name+"_"+layer_nam+"_"+slice_nam, sliceSubtraction2, slice_mat);
+
+        if ( x_slice.isSensitive() ) {
+          sens.setType("calorimeter");
+          sliceVol.setSensitiveDetector(sens);
+        }
+        // Set attributes of slice
+        slice.setAttributes(lcdd, sliceVol, x_slice.regionStr(), x_slice.limitsStr(), x_slice.visStr());
+
+        // Place volume in layer
+        PlacedVolume pv = layerVol.placeVolume(sliceVol,Position(0,0,slicePosZ));
+        pv.addPhysVolID("slice",sliceCount);
+        slice.setPlacement(pv);
+
+        // Start of next slice.
+        sliceDisplZ += sliceThickness / 2;
+        slicePosZ   += sliceThickness / 2;
+        ++sliceCount;
       }
       // Set attributes of slice
       layer.setAttributes(lcdd, layerVol, x_layer.regionStr(), x_layer.limitsStr(), x_layer.visStr());
diff --git a/DDDetectors/src/LayeringExtensionPlugin.cpp b/DDDetectors/src/LayeringExtensionPlugin.cpp
index d564117d9364132375b9d3c9ab30b84b92d77e80..23aa6f3ae88828764f938785f706c34850f4401e 100644
--- a/DDDetectors/src/LayeringExtensionPlugin.cpp
+++ b/DDDetectors/src/LayeringExtensionPlugin.cpp
@@ -1,11 +1,21 @@
-// $Id: SiTrackerBarrel_geo.cpp 1360 2014-10-27 16:32:06Z Nikiforos.Nikiforou@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector plugin
+// 
+//==========================================================================
+
 #include <map>
 #include "DDRec/Extensions/LayeringExtensionImpl.h"
 using namespace DD4hep::DDRec;
@@ -21,11 +31,11 @@ namespace  {
       LayeringExtensionImpl* e = new LayeringExtensionImpl();
       det.addExtension<LayeringExtension>(e);
       for(std::map<int,DetElement>::const_iterator i=layers.begin(); i!=layers.end();++i)   {
-	DetElement de = (*i).second;
-	e->setLayer(de.id(), de, Position(0,0,1));
-	std::cout << " Add layer:" << de.name() 
-		  << " ID: " << de.id() 
-		  << " Parent:" << de.parent().name() << std::endl;
+        DetElement de = (*i).second;
+        e->setLayer(de.id(), de, Position(0,0,1));
+        std::cout << " Add layer:" << de.name() 
+                  << " ID: " << de.id() 
+                  << " Parent:" << de.parent().name() << std::endl;
       }
     }
   };
diff --git a/DDDetectors/src/MultiLayerTracker_geo.cpp b/DDDetectors/src/MultiLayerTracker_geo.cpp
index 5a8f502766b64da1c6d3a323c9ec0350270b99df..726ed1603309983b41cf179cef02317b38682c20 100644
--- a/DDDetectors/src/MultiLayerTracker_geo.cpp
+++ b/DDDetectors/src/MultiLayerTracker_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: MultiLayerTracker_geo.cpp 1306 2014-08-22 12:29:38Z markus.frank@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 
 using namespace std;
diff --git a/DDDetectors/src/PolyconeSupport_geo.cpp b/DDDetectors/src/PolyconeSupport_geo.cpp
index 954323ab884b7ef9cb34a1c51eec93b81fc18d17..0e09b8fb938bf34f1214bb126dc368357c893964 100644
--- a/DDDetectors/src/PolyconeSupport_geo.cpp
+++ b/DDDetectors/src/PolyconeSupport_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: PolyconeSupport_geo.cpp 1360 2014-10-27 16:32:06Z Nikiforos.Nikiforou@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 
 using namespace std;
diff --git a/DDDetectors/src/PolyhedraBarrelCalorimeter2_geo.cpp b/DDDetectors/src/PolyhedraBarrelCalorimeter2_geo.cpp
index 7c3390699a95c91a78899276e5c0330a9d60eb44..1a3c69a0dad53ee44368071cccd84edac6fbf158 100644
--- a/DDDetectors/src/PolyhedraBarrelCalorimeter2_geo.cpp
+++ b/DDDetectors/src/PolyhedraBarrelCalorimeter2_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: PolyhedraBarrelCalorimeter2_geo.cpp 1390 2014-11-14 16:32:48Z Christian.Grefe@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 #include "XML/Layering.h"
 
@@ -14,7 +23,7 @@ using namespace DD4hep;
 using namespace DD4hep::Geometry;
 
 static void placeStaves(DetElement& parent, DetElement& stave, double rmin, int numsides, double total_thickness,
-			Volume envelopeVolume, double innerAngle, Volume sectVolume) {
+                        Volume envelopeVolume, double innerAngle, Volume sectVolume) {
   double innerRotation = innerAngle;
   double offsetRotation = -innerRotation / 2;
   double sectCenterRadius = rmin + total_thickness / 2;
@@ -109,31 +118,31 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens) {
       double slice_pos_z = -(layer_thickness / 2);
       int slice_number = 1;
       for (xml_coll_t k(x_layer, _U(slice)); k; ++k) {
-	xml_comp_t x_slice = k;
-	string slice_name = _toString(slice_number, "slice%d");
-	double slice_thickness = x_slice.thickness();
-	Material slice_material = lcdd.material(x_slice.materialStr());
-	DetElement slice(layer, slice_name, slice_number);
-
-	slice_pos_z += slice_thickness / 2;
-	// Slice volume & box
-	Volume slice_vol(slice_name, Box(layer_dim_x, detZ / 2, slice_thickness / 2), slice_material);
-
-	if (x_slice.isSensitive()) {
-	  sens.setType("calorimeter");
-	  slice_vol.setSensitiveDetector(sens);
-	}
-	// Set region, limitset, and vis.
-	slice_vol.setAttributes(lcdd, x_slice.regionStr(), x_slice.limitsStr(), x_slice.visStr());
-	// slice PlacedVolume
-	PlacedVolume slice_phv = layer_vol.placeVolume(slice_vol, Position(0, 0, slice_pos_z));
-	slice_phv.addPhysVolID("slice", slice_number);
-
-	slice.setPlacement(slice_phv);
-	// Increment Z position for next slice.
-	slice_pos_z += slice_thickness / 2;
-	// Increment slice number.
-	++slice_number;
+        xml_comp_t x_slice = k;
+        string slice_name = _toString(slice_number, "slice%d");
+        double slice_thickness = x_slice.thickness();
+        Material slice_material = lcdd.material(x_slice.materialStr());
+        DetElement slice(layer, slice_name, slice_number);
+
+        slice_pos_z += slice_thickness / 2;
+        // Slice volume & box
+        Volume slice_vol(slice_name, Box(layer_dim_x, detZ / 2, slice_thickness / 2), slice_material);
+
+        if (x_slice.isSensitive()) {
+          sens.setType("calorimeter");
+          slice_vol.setSensitiveDetector(sens);
+        }
+        // Set region, limitset, and vis.
+        slice_vol.setAttributes(lcdd, x_slice.regionStr(), x_slice.limitsStr(), x_slice.visStr());
+        // slice PlacedVolume
+        PlacedVolume slice_phv = layer_vol.placeVolume(slice_vol, Position(0, 0, slice_pos_z));
+        slice_phv.addPhysVolID("slice", slice_number);
+
+        slice.setPlacement(slice_phv);
+        // Increment Z position for next slice.
+        slice_pos_z += slice_thickness / 2;
+        // Increment slice number.
+        ++slice_number;
       }
       // Set region, limitset, and vis.
       layer_vol.setAttributes(lcdd, x_layer.regionStr(), x_layer.limitsStr(), x_layer.visStr());
diff --git a/DDDetectors/src/PolyhedraEndcapCalorimeter2_geo.cpp b/DDDetectors/src/PolyhedraEndcapCalorimeter2_geo.cpp
index 5c60bcdf200395d8bfb7969b6146e0fcbf40bea1..814a6e4e4ef8017210ffcc5d420bef7cc62251db 100644
--- a/DDDetectors/src/PolyhedraEndcapCalorimeter2_geo.cpp
+++ b/DDDetectors/src/PolyhedraEndcapCalorimeter2_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: PolyhedraEndcapCalorimeter2_geo.cpp 1306 2014-08-22 12:29:38Z markus.frank@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 #include "XML/Layering.h"
 
diff --git a/DDDetectors/src/PolyhedraEndcapCalorimeter2_surfaces.cpp b/DDDetectors/src/PolyhedraEndcapCalorimeter2_surfaces.cpp
index 9318d3a9d3de64b931fc2be1e7973a016562f026..ff10f05186d51d33212e45229452bb19243516dc 100644
--- a/DDDetectors/src/PolyhedraEndcapCalorimeter2_surfaces.cpp
+++ b/DDDetectors/src/PolyhedraEndcapCalorimeter2_surfaces.cpp
@@ -1,11 +1,20 @@
-// $Id: $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// 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
 #define  DD4HEP_USE_SURFACEINSTALL_HELPER  DD4hep_PolyhedraEndcapCalorimeterSurfacePlugin
 #include "DD4hep/SurfaceInstaller.h"
@@ -35,11 +44,11 @@ void Installer<UserData>::install(DetElement component, PlacedVolume pv)   {
       std::cout << " Module:    " << mod_shape.toString() << std::endl;
       std::cout << " Component: " << comp_shape.toString() << std::endl;
       std::cout << "dz:" << dz << " Si-pos:" << si_position 
-		<< " Mod-thickness:" << half_mod_thickness 
-		<< " Comp-thickness:" << half_comp_thickness 
-		<< std::endl;
+                << " Mod-thickness:" << half_mod_thickness 
+                << " Comp-thickness:" << half_comp_thickness 
+                << std::endl;
       VolPlane surf(comp_vol,Type(Type::Sensitive,Type::Measurement1D),
-		    inner_thickness, outer_thickness, u, v, n, o);
+                    inner_thickness, outer_thickness, u, v, n, o);
       addSurface(component,surf);
     }
   }
diff --git a/DDDetectors/src/SiTrackerBarrel_geo.cpp b/DDDetectors/src/SiTrackerBarrel_geo.cpp
index dceead3356f4eb7f0b8deae33c2c9d3fb953fa2f..3dd201e260429c6c3fd81b662a7acc0bc41b936b 100644
--- a/DDDetectors/src/SiTrackerBarrel_geo.cpp
+++ b/DDDetectors/src/SiTrackerBarrel_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: SiTrackerBarrel_geo.cpp 1360 2014-10-27 16:32:06Z Nikiforos.Nikiforou@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 #include "DD4hep/Printout.h"
 
@@ -67,7 +76,7 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
       if ( x_comp.isSensitive() ) {
         pv.addPhysVolID(_U(sensor),sensor_number++);
         c_vol.setSensitiveDetector(sens);
-	sensitives[m_nam].push_back(pv);
+        sensitives[m_nam].push_back(pv);
       }
     }
   }
@@ -112,8 +121,8 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
 
       // Loop over the number of modules in z.
       for (int j = 0; j < nz; j++)          {
-	string module_name = _toString(module,"module%d");
-	DetElement mod_elt(lay_elt,module_name,module);
+        string module_name = _toString(module,"module%d");
+        DetElement mod_elt(lay_elt,module_name,module);
         // Module PhysicalVolume.
         //         Transform3D tr(RotationZYX(0,-((M_PI/2)-phic-phi_tilt),M_PI/2),Position(x,y,module_z));
         //NOTE (Nikiforos, 26/08 Rotations needed to be fixed so that component1 (silicon) is on the outside
@@ -121,15 +130,15 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
 
         pv = lay_vol.placeVolume(m_env,tr);
         pv.addPhysVolID("module", module);
-	mod_elt.setPlacement(pv);
-	for(size_t ic=0; ic<sensVols.size(); ++ic)  {
-	  PlacedVolume sens_pv = sensVols[ic];
-	  DetElement comp_elt(mod_elt,sens_pv.volume().name(),module);
-	  comp_elt.setPlacement(sens_pv);
-	}
+        mod_elt.setPlacement(pv);
+        for(size_t ic=0; ic<sensVols.size(); ++ic)  {
+          PlacedVolume sens_pv = sensVols[ic];
+          DetElement comp_elt(mod_elt,sens_pv.volume().name(),module);
+          comp_elt.setPlacement(sens_pv);
+        }
 
-	/// Increase counters etc.
-	module++;
+        /// Increase counters etc.
+        module++;
         // Adjust the x and y coordinates of the module.
         x += dx;
         y += dy;
diff --git a/DDDetectors/src/SiTrackerBarrel_surfaces.cpp b/DDDetectors/src/SiTrackerBarrel_surfaces.cpp
index 2d597708ae047432bc96a1b2e50d27f09642a68f..59d599aaadec824b65ebff2c3c49b2a12a218821 100644
--- a/DDDetectors/src/SiTrackerBarrel_surfaces.cpp
+++ b/DDDetectors/src/SiTrackerBarrel_surfaces.cpp
@@ -1,18 +1,28 @@
-// $Id: SiTrackerBarrel_geo.cpp 1360 2014-10-27 16:32:06Z Nikiforos.Nikiforou@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
-// Framework include files
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
+
 namespace { 
   struct UserData { 
     int dimension ;
   }; 
 }
 
+// Framework include files
 #define SURFACEINSTALLER_DATA UserData
 #define DD4HEP_USE_SURFACEINSTALL_HELPER DD4hep_SiTrackerBarrelSurfacePlugin
 #include "DD4hep/SurfaceInstaller.h"
@@ -23,11 +33,11 @@ namespace{
       double value = -1;
       char* ptr = ::strchr(argv[i],'=');
       if ( ptr )  {
-	std::string name( argv[i] , ptr ) ;
-	value = DD4hep::Geometry::_toDouble(++ptr);
-	if( name=="dimension" ) data.dimension = value ; 
-	std::cout << "DD4hep_SiTrackerBarrelSurfacePlugin: argument[" << i << "] = " << name 
-		  << " = " << value << std::endl;
+        std::string name( argv[i] , ptr ) ;
+        value = DD4hep::Geometry::_toDouble(++ptr);
+        if( name=="dimension" ) data.dimension = value ; 
+        std::cout << "DD4hep_SiTrackerBarrelSurfacePlugin: argument[" << i << "] = " << name 
+                  << " = " << value << std::endl;
       }
     }
   }  
@@ -41,27 +51,28 @@ namespace{
       DD4hep::Geometry::Box mod_shape(mod_vol.solid()), comp_shape(comp_vol.solid());
       
       if ( !comp_shape.isValid() || !mod_shape.isValid() )   {
-	invalidInstaller("Components and/or modules are not boxes -- invalid shapes");
+        invalidInstaller("Components and/or modules are not boxes -- invalid shapes");
       }
       else if ( !handleUsingCache(component,comp_vol) )  {
-	const double* trans = placementTranslation(component);
-	double half_module_thickness = mod_shape->GetDZ();
-	double sensitive_z_position  = trans[2];
-	double outer_thickness = half_module_thickness + sensitive_z_position;
-	double inner_thickness = half_module_thickness - sensitive_z_position;
-	//Surface is placed at the center of the volume, no need to shift origin
-	//Make sure u,v,n form a right-handed coordinate system, v along the final z
-	Vector3D u(-1.,0.,0.), v(0.,-1.,0.), n(0.,0.,1.), o(0.,0.,0.);
+        const double* trans = placementTranslation(component);
+        double half_module_thickness = mod_shape->GetDZ();
+        double sensitive_z_position  = trans[2];
+        double outer_thickness = half_module_thickness + sensitive_z_position;
+        double inner_thickness = half_module_thickness - sensitive_z_position;
+        //Surface is placed at the center of the volume, no need to shift origin
+        //Make sure u,v,n form a right-handed coordinate system, v along the final z
+        Vector3D u(-1.,0.,0.), v(0.,-1.,0.), n(0.,0.,1.), o(0.,0.,0.);
 	
-	Type type( Type::Sensitive ) ;
+        Type type( Type::Sensitive ) ;
 
-	if( data.dimension == 1 ) {
-	  type.setProperty( Type::Measurement1D , true ) ;
-	} else if( data.dimension != 2 ) {
-	  throw std::runtime_error("**** DD4hep_SiTrackerBarrelSurfacePlugin: no or wrong 'dimension' argument given - has to be 1 or 2") ;
-	}
-	VolPlane surf(comp_vol, type, inner_thickness, outer_thickness, u, v, n, o);
-	addSurface(component,surf);
+        if( data.dimension == 1 ) {
+          type.setProperty( Type::Measurement1D , true ) ;
+        } else if( data.dimension != 2 ) {
+          throw std::runtime_error("**** DD4hep_SiTrackerBarrelSurfacePlugin: no or wrong "
+                                   "'dimension' argument given - has to be 1 or 2") ;
+        }
+        VolPlane surf(comp_vol, type, inner_thickness, outer_thickness, u, v, n, o);
+        addSurface(component,surf);
       }
     }
   }
diff --git a/DDDetectors/src/SiTrackerEndcap2_geo.cpp b/DDDetectors/src/SiTrackerEndcap2_geo.cpp
index 68ced8f8251ca566105ce76992b3295b0e7efe85..b393147fed24b9c3898736ff220a9fd41e8716d0 100644
--- a/DDDetectors/src/SiTrackerEndcap2_geo.cpp
+++ b/DDDetectors/src/SiTrackerEndcap2_geo.cpp
@@ -1,12 +1,20 @@
-// $Id: SiTrackerEndcap2_geo.cpp 1306 2014-08-22 12:29:38Z markus.frank@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
-
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 #include <map>
 
@@ -60,11 +68,11 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
       c_vol.setVisAttributes(lcdd.visAttributes(c.visStr()));
       pv = m_volume.placeVolume(c_vol,Position(0,posY+c_thick/2,0));
       if ( c.isSensitive() ) {
-	sdet.check(n_sensor > 2,"SiTrackerEndcap2::fromCompact: "+c_name+" Max of 2 modules allowed!");
-	pv.addPhysVolID("sensor",n_sensor);
-	c_vol.setSensitiveDetector(sens);
-	sensitives[m_nam].push_back(pv);
-	++n_sensor;
+        sdet.check(n_sensor > 2,"SiTrackerEndcap2::fromCompact: "+c_name+" Max of 2 modules allowed!");
+        pv.addPhysVolID("sensor",n_sensor);
+        c_vol.setSensitiveDetector(sens);
+        sensitives[m_nam].push_back(pv);
+        ++n_sensor;
       }
       posY += c_thick;
     }
@@ -89,33 +97,33 @@ static Ref_t create_detector(LCDD& lcdd, xml_h e, SensitiveDetector sens)  {
       Placements& sensVols = sensitives[m_nam];
 
       for(int k=0; k<nmodules; ++k) {
-	string m_base = _toString(l_id,"layer%d") + _toString(mod_num,"_module%d");
-	double x = -r*std::cos(phi);
-	double y = -r*std::sin(phi);
-	DetElement module(sdet,m_base+"_pos",det_id);
-	pv = assembly.placeVolume(m_vol,Transform3D(RotationZYX(0,-M_PI/2-phi,-M_PI/2),Position(x,y,zstart+dz)));
-	pv.addPhysVolID("barrel",1).addPhysVolID("layer", l_id).addPhysVolID("module",mod_num);
-	module.setPlacement(pv);
-	for(size_t ic=0; ic<sensVols.size(); ++ic)  {
-	  PlacedVolume sens_pv = sensVols[ic];
-	  DetElement comp_elt(module,sens_pv.volume().name(),mod_num);
-	  comp_elt.setPlacement(sens_pv);
-	}
+        string m_base = _toString(l_id,"layer%d") + _toString(mod_num,"_module%d");
+        double x = -r*std::cos(phi);
+        double y = -r*std::sin(phi);
+        DetElement module(sdet,m_base+"_pos",det_id);
+        pv = assembly.placeVolume(m_vol,Transform3D(RotationZYX(0,-M_PI/2-phi,-M_PI/2),Position(x,y,zstart+dz)));
+        pv.addPhysVolID("barrel",1).addPhysVolID("layer", l_id).addPhysVolID("module",mod_num);
+        module.setPlacement(pv);
+        for(size_t ic=0; ic<sensVols.size(); ++ic)  {
+          PlacedVolume sens_pv = sensVols[ic];
+          DetElement comp_elt(module,sens_pv.volume().name(),mod_num);
+          comp_elt.setPlacement(sens_pv);
+        }
 
-	if ( reflect ) {
-	  pv = assembly.placeVolume(m_vol,Transform3D(RotationZYX(M_PI,-M_PI/2-phi,-M_PI/2),Position(x,y,-zstart-dz)));
-	  pv.addPhysVolID("barrel",2).addPhysVolID("layer",l_id).addPhysVolID("module",mod_num);
-	  DetElement r_module(sdet,m_base+"_neg",det_id);
-	  r_module.setPlacement(pv);
-	  for(size_t ic=0; ic<sensVols.size(); ++ic)  {
-	    PlacedVolume sens_pv = sensVols[ic];
-	    DetElement comp_elt(r_module,sens_pv.volume().name(),mod_num);
-	    comp_elt.setPlacement(sens_pv);
-	  }
-	}
-	dz   = -dz;
-	phi += iphi;
-	++mod_num;
+        if ( reflect ) {
+          pv = assembly.placeVolume(m_vol,Transform3D(RotationZYX(M_PI,-M_PI/2-phi,-M_PI/2),Position(x,y,-zstart-dz)));
+          pv.addPhysVolID("barrel",2).addPhysVolID("layer",l_id).addPhysVolID("module",mod_num);
+          DetElement r_module(sdet,m_base+"_neg",det_id);
+          r_module.setPlacement(pv);
+          for(size_t ic=0; ic<sensVols.size(); ++ic)  {
+            PlacedVolume sens_pv = sensVols[ic];
+            DetElement comp_elt(r_module,sens_pv.volume().name(),mod_num);
+            comp_elt.setPlacement(sens_pv);
+          }
+        }
+        dz   = -dz;
+        phi += iphi;
+        ++mod_num;
       }
     }
   }
diff --git a/DDDetectors/src/SiTrackerEndcap_surfaces.cpp b/DDDetectors/src/SiTrackerEndcap_surfaces.cpp
index bcd52d2c875745c28bec3e16820c4c4e4e03c318..54dab20f1f475f41e496504586ba6cac943fdca2 100644
--- a/DDDetectors/src/SiTrackerEndcap_surfaces.cpp
+++ b/DDDetectors/src/SiTrackerEndcap_surfaces.cpp
@@ -1,11 +1,20 @@
-// $Id: $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// 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
 #define  DD4HEP_USE_SURFACEINSTALL_HELPER  DD4hep_SiTrackerEndcapSurfacePlugin
 #include "DD4hep/SurfaceInstaller.h"
@@ -31,7 +40,7 @@ void Installer<UserData>::install(DetElement component, PlacedVolume pv)   {
       Vector3D u(0.,0.,-1.), v(-1.,0.,0.), n(0.,-1.,0.), o(0.,0.,0.);
 
       VolPlane surf(comp_vol,Type(Type::Sensitive,Type::Measurement1D),
-		    inner_thickness, outer_thickness, u, v, n, o);
+                    inner_thickness, outer_thickness, u, v, n, o);
       addSurface(component,surf);
     }
   }
diff --git a/DDDetectors/src/SubdetectorAssembly_geo.cpp b/DDDetectors/src/SubdetectorAssembly_geo.cpp
index a459a9ecf1194304bb7a0fc3377d9d5f57604e79..594dd7e859c8ceb85dec8a0f26c9e199dac47856 100644
--- a/DDDetectors/src/SubdetectorAssembly_geo.cpp
+++ b/DDDetectors/src/SubdetectorAssembly_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: SubdetectorAssembly_geo.cpp 1306 2014-08-22 12:29:38Z markus.frank@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 #include "DD4hep/Printout.h"
 #include "XML/Utilities.h"
diff --git a/DDDetectors/src/SubdetectorExtensionPlugin.cpp b/DDDetectors/src/SubdetectorExtensionPlugin.cpp
index 4e904a4cb23d0e568fee6269aff439da855fbd05..316c32d40599fea58c52cff5765741faa49208dd 100644
--- a/DDDetectors/src/SubdetectorExtensionPlugin.cpp
+++ b/DDDetectors/src/SubdetectorExtensionPlugin.cpp
@@ -1,11 +1,20 @@
-// $Id: SiTrackerBarrel_geo.cpp 1360 2014-10-27 16:32:06Z Nikiforos.Nikiforou@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector plugin
+// 
+//==========================================================================
 // Framework include files
 #include "DDRec/Extensions/SubdetectorExtensionImpl.h"
 #define DD4HEP_USE_SURFACEINSTALL_HELPER SubdetectorExtensionPlugin
diff --git a/DDDetectors/src/SurfaceExamplePlugin.cpp b/DDDetectors/src/SurfaceExamplePlugin.cpp
index 4b3faefc3a446d317a0e977c658bb184ee8373cc..45561c5f1d784ca516099a819742f03e64a695d8 100644
--- a/DDDetectors/src/SurfaceExamplePlugin.cpp
+++ b/DDDetectors/src/SurfaceExamplePlugin.cpp
@@ -1,11 +1,20 @@
-// $Id: SiTrackerBarrel_geo.cpp 1360 2014-10-27 16:32:06Z Nikiforos.Nikiforou@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector plugin
+// 
+//==========================================================================
 // Framework include files
 namespace { struct UserData { int a,b,c; }; }
 #define SURFACEINSTALLER_DATA UserData
@@ -18,10 +27,10 @@ namespace {
       double value = -1;
       char* ptr = ::strchr(argv[i],'=');
       if ( ptr )  {
-	value = DD4hep::Geometry::_toDouble(++ptr);
+        value = DD4hep::Geometry::_toDouble(++ptr);
       }
       std::cout << "SurfaceExamplePlugin: argument[" << i << "] = " << argv[i] 
-		<< " value = " << value << std::endl;
+                << " value = " << value << std::endl;
     }
   }
 
diff --git a/DDDetectors/src/TubeSegment_geo.cpp b/DDDetectors/src/TubeSegment_geo.cpp
index 9d31f211bd60b2830d30a8fe312b200d3f178ba5..3bba3b0ab79d64edf4a08f7eb4a69fbcc537f0f7 100644
--- a/DDDetectors/src/TubeSegment_geo.cpp
+++ b/DDDetectors/src/TubeSegment_geo.cpp
@@ -1,11 +1,20 @@
-// $Id: TubeSegment_geo.cpp 1306 2014-08-22 12:29:38Z markus.frank@cern.ch $
-//====================================================================
+// $Id: run_plugin.h 1663 2015-03-20 13:54:53Z gaede $
+//==========================================================================
 //  AIDA Detector description implementation for LCD
-//--------------------------------------------------------------------
+//--------------------------------------------------------------------------
+// Copyright (C) Organisation europ茅enne pour la Recherche nucl茅aire (CERN)
+// All rights reserved.
 //
-//  Author     : M.Frank
+// For the licensing terms see $DD4hepINSTALL/LICENSE.
+// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
 //
-//====================================================================
+// Author     : M.Frank
+//
+//==========================================================================
+//
+// Specialized generic detector constructor
+// 
+//==========================================================================
 #include "DD4hep/DetFactoryHelper.h"
 
 using namespace std;