diff --git a/DDCore/include/XML/detail/Detector.imp b/DDCore/include/XML/detail/Detector.imp
index d08bda102db75abceef02ad7762e755730e73463..bc983bea5e131e6e321c7136edbf50ed864e9815 100644
--- a/DDCore/include/XML/detail/Detector.imp
+++ b/DDCore/include/XML/detail/Detector.imp
@@ -24,22 +24,20 @@
 #include "DD4hep/Plugins.h"
 #include "DD4hep/Detector.h"
 
-using namespace std;
-
 namespace detail { class Detector; }
 
-string Component::materialStr() const {
-  return m_element.attr < string > (_U(material));
+std::string Component::materialStr() const {
+  return m_element.attr < std::string > (_U(material));
 }
 
 bool Component::isSensitive() const {
-  char val = m_element.hasAttr(_U(sensitive)) ? m_element.attr < string > (_U(sensitive))[0] : 'f';
+  char val = m_element.hasAttr(_U(sensitive)) ? m_element.attr < std::string > (_U(sensitive))[0] : 'f';
   val = ::toupper(val);
   return val == 'T' || val == 'Y';
 }
 
 bool Component::isRadiator() const {
-  char val = m_element.hasAttr(_U(radiator)) ? m_element.attr < string > (_U(radiator))[0] : 'f';
+  char val = m_element.hasAttr(_U(radiator)) ? m_element.attr < std::string > (_U(radiator))[0] : 'f';
   val = ::toupper(val);
   return val == 'T' || val == 'Y';
 }
@@ -47,15 +45,15 @@ bool Component::isRadiator() const {
 dd4hep::NamedObject* Component::createShape() const {
   using namespace dd4hep::detail;
   Dimension child_dim(m_element);
-  string typ = child_dim.typeStr();
-  string fac = typ + "__shape_constructor";
+  std::string typ = child_dim.typeStr();
+  std::string fac = typ + "__shape_constructor";
   Handle_t solid_elt = m_element;
   Detector* description = 0;
   NamedObject* solid = PluginService::Create<NamedObject*>(fac, description, &solid_elt);
   if ( !solid )  {
     PluginDebug dbg;
     PluginService::Create<NamedObject*>(typ, description, &solid_elt);
-    throw runtime_error("Failed to create solid of type " + typ + ". " + dbg.missingFactory(typ));
+    throw std::runtime_error("Failed to create solid of type " + typ + ". " + dbg.missingFactory(typ));
   }
   return solid;
 }
@@ -65,29 +63,29 @@ int DetElement::id() const {
 }
 
 bool DetElement::isSensitive() const {
-  char val = m_element.hasAttr(_U(sensitive)) ? m_element.attr < string > (_U(sensitive))[0] : 'f';
+  char val = m_element.hasAttr(_U(sensitive)) ? m_element.attr < std::string > (_U(sensitive))[0] : 'f';
   val = ::toupper(val);
   return val == 'T' || val == 'Y';
 }
 
-string DetElement::materialStr() const {
+std::string DetElement::materialStr() const {
   Handle_t h = m_element.child(_U(material));
   if (h && h.hasAttr(_U(name))) {
-    return h.attr < string > (_U(name));
+    return h.attr < std::string > (_U(name));
   }
   return "";
 }
 
-void DetElement::check(bool condition, const string& msg) const {
+void DetElement::check(bool condition, const std::string& msg) const {
   if (condition) {
-    throw runtime_error(msg);
+    throw std::runtime_error(msg);
   }
 }
 
 bool DetElement::isTracker() const {
   if (m_element) {
-    string typ = attr < string > (_U(type));
-    if (typ.find("Tracker") != string::npos && hasAttr(_U(readout))) {
+    std::string typ = attr < std::string > (_U(type));
+    if (typ.find("Tracker") != std::string::npos && hasAttr(_U(readout))) {
       return true;
     }
   }
@@ -96,8 +94,8 @@ bool DetElement::isTracker() const {
 
 bool DetElement::isCalorimeter() const {
   if (m_element) {
-    string typ = attr < string > (_U(type));
-    if (typ.find("Calorimeter") != string::npos && hasAttr(_U(readout))) {
+    std::string typ = attr < std::string > (_U(type));
+    if (typ.find("Calorimeter") != std::string::npos && hasAttr(_U(readout))) {
       return true;
     }
   }
diff --git a/DDCore/src/plugins/LCDDConverter.cpp b/DDCore/src/plugins/LCDDConverter.cpp
index 79ff884e4559db976008f6e655cf0d0ebcabe0d6..dfbb8d3c84335fb54b8be42d9c6a110dd9dde1bd 100644
--- a/DDCore/src/plugins/LCDDConverter.cpp
+++ b/DDCore/src/plugins/LCDDConverter.cpp
@@ -161,8 +161,8 @@ xml_h LCDDConverter::handleMaterial(const string& name, Material medium) const {
   xml_h mat = geo.xmlMaterials[medium];
   if (!mat) {
     xml_h obj;
-    TGeoMaterial* m = medium->GetMaterial();
-    double d = m->GetDensity();   //*(gram/cm3);
+    TGeoMaterial* geo_mat = medium->GetMaterial();
+    double d = geo_mat->GetDensity();   //*(gram/cm3);
     if (d < 1e-10) d = 1e-10;
     mat = xml_elt_t(geo.doc, _U(material));
     mat.setAttr(_U(name), medium->GetName());
@@ -173,10 +173,10 @@ xml_h LCDDConverter::handleMaterial(const string& name, Material medium) const {
 
     geo.checkMaterial(name, medium);
 
-    if (m->IsMixture()) {
-      TGeoMixture *mix = (TGeoMixture*) m;
+    if (geo_mat->IsMixture()) {
+      TGeoMixture   *mix = (TGeoMixture*)geo_mat;
       const double *wmix = mix->GetWmixt();
-      const int *nmix = mix->GetNmixt();
+      const int    *nmix = mix->GetNmixt();
       double sum = 0e0;
       for (int i = 0, n = mix->GetNelements(); i < n; i++) {
         TGeoElement *elt = mix->GetElement(i);
@@ -200,15 +200,15 @@ xml_h LCDDConverter::handleMaterial(const string& name, Material medium) const {
     else if ( name != "dummy" )   {  
       // Do not exactly know where dummy comes from,
       // but it causes havoc in Geant4 later
-      TGeoElement *elt = m->GetElement(0);
+      TGeoElement *elt = geo_mat->GetElement(0);
       printout(INFO,"++ Converting non mixing material: %s",name.c_str());
       xml_elt_t atom(geo.doc, _U(atom));
       handleElement(elt->GetName(), Atom(elt));
       mat.append(atom);
-      mat.setAttr(_U(Z), m->GetZ());
+      mat.setAttr(_U(Z), geo_mat->GetZ());
       atom.setAttr(_U(type), "A");
       atom.setAttr(_U(unit), "g/mol");
-      atom.setAttr(_U(value), m->GetA() /*  *(g/mole)  */);
+      atom.setAttr(_U(value), geo_mat->GetA() /*  *(g/mole)  */);
     }
     geo.doc_materials.append(mat);
     geo.xmlMaterials[medium] = mat;
@@ -486,7 +486,7 @@ xml_h LCDDConverter::handleSolid(const string& name, const TGeoShape* shape) con
       TGeoShape* rs = boolean->GetRightShape();
       xml_h left    = handleSolid(ls->GetName(), ls);
       xml_h right   = handleSolid(rs->GetName(), rs);
-      xml_h first(0), second(0);
+      xml_h first_solid(0), second_solid(0);
       if (!left) {
         throw runtime_error("G4Converter: No left Detector Solid present for composite shape:" + name);
       }
@@ -536,13 +536,13 @@ xml_h LCDDConverter::handleSolid(const string& name, const TGeoShape* shape) con
       string rnam = right.attr<string>(_U(name));
 
       geo.doc_solids.append(solid);
-      solid.append(first = xml_elt_t(geo.doc, _U(first)));
+      solid.append(first_solid = xml_elt_t(geo.doc, _U(first)));
       solid.setAttr(_U(name), Unicode(shape_name));
-      first.setAttr(_U(ref),  lnam);
+      first_solid.setAttr(_U(ref),  lnam);
       const double *tr = lm->GetTranslation();
 
       if ((tr[0] != 0.0) || (tr[1] != 0.0) || (tr[2] != 0.0)) {
-        first.append(obj = xml_elt_t(geo.doc, _U(firstposition)));
+        first_solid.append(obj = xml_elt_t(geo.doc, _U(firstposition)));
         obj.setAttr(_U(name), name+"_"+lnam+"_pos");
         obj.setAttr(_U(x), tr[0]);
         obj.setAttr(_U(y), tr[1]);
@@ -551,9 +551,9 @@ xml_h LCDDConverter::handleSolid(const string& name, const TGeoShape* shape) con
       }
       if (lm->IsRotation()) {
         TGeoMatrix& linv = lm->Inverse();
-        XYZRotation rot = getXYZangles(linv.GetRotationMatrix());
+        XYZRotation  rot = getXYZangles(linv.GetRotationMatrix());
         if ((rot.X() != 0.0) || (rot.Y() != 0.0) || (rot.Z() != 0.0)) {
-          first.append(obj = xml_elt_t(geo.doc, _U(firstrotation)));
+          first_solid.append(obj = xml_elt_t(geo.doc, _U(firstrotation)));
           obj.setAttr(_U(name), name+"_"+lnam+"_rot");
           obj.setAttr(_U(x), rot.X());
           obj.setAttr(_U(y), rot.Y());
@@ -562,8 +562,8 @@ xml_h LCDDConverter::handleSolid(const string& name, const TGeoShape* shape) con
         }
       }
       tr = rm->GetTranslation();
-      solid.append(second = xml_elt_t(geo.doc, _U(second)));
-      second.setAttr(_U(ref), rnam);
+      solid.append(second_solid = xml_elt_t(geo.doc, _U(second)));
+      second_solid.setAttr(_U(ref), rnam);
       if ((tr[0] != 0.0) || (tr[1] != 0.0) || (tr[2] != 0.0)) {
         xml_ref_t pos = handlePosition(rnam+"_pos", rm);
         solid.setRef(_U(positionref), pos.name());
@@ -962,7 +962,7 @@ xml_h LCDDConverter::handleVis(const string& /* name */, VisAttr attr) const {
   GeometryInfo& geo = data();
   xml_h vis = geo.xmlVis[attr];
   if (!vis) {
-    float r = 0, g = 0, b = 0;
+    float red = 0, green = 0, blue = 0;
     int style = attr.lineStyle();
     int draw = attr.drawingStyle();
 
@@ -980,11 +980,11 @@ xml_h LCDDConverter::handleVis(const string& /* name */, VisAttr attr) const {
       vis.setAttr(_U(drawing_style), "wireframe");
 
     xml_h col = xml_elt_t(geo.doc, _U(color));
-    attr.rgb(r, g, b);
+    attr.rgb(red, green, blue);
     col.setAttr(_U(alpha), attr.alpha());
-    col.setAttr(_U(R), r);
-    col.setAttr(_U(G), g);
-    col.setAttr(_U(B), b);
+    col.setAttr(_U(R), red);
+    col.setAttr(_U(B), blue);
+    col.setAttr(_U(G), green);
     vis.append(col);
     geo.xmlVis[attr] = vis;
   }
diff --git a/DDDetectors/src/CylinderShell_geo.cpp b/DDDetectors/src/CylinderShell_geo.cpp
index 453f4c8aef06b87bc3f066eb4ad3dd9361d1054a..8029d6876e4147a1d3523aeee990946d86439190 100644
--- a/DDDetectors/src/CylinderShell_geo.cpp
+++ b/DDDetectors/src/CylinderShell_geo.cpp
@@ -1,4 +1,3 @@
-// $Id$
 //====================================================================
 //  AIDA Detector description implementation 
 //--------------------------------------------------------------------
@@ -55,12 +54,12 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
   PlacedVolume pv;
 
   sensitive.setType("escape_counter");
-  for(xml_coll_t m(e,_U(module)); m; ++m)  {
-    xml_comp_t mod = m;
+  for(xml_coll_t xm(e,_U(module)); xm; ++xm)  {
+    xml_comp_t mod = xm;
     vector<double> rmin,rmax,z;
     string vis = mod.visStr().empty() ? x_det.visStr() : mod.visStr();
     int num = 0;
-    for(xml_coll_t c(m,_U(zplane)); c; ++c, ++num)  {
+    for(xml_coll_t c(mod,_U(zplane)); c; ++c, ++num)  {
       xml_comp_t dim(c);
       rmin.push_back(dim.rmin());
       rmax.push_back(dim.rmax());
diff --git a/DDDetectors/src/CylindricalBarrelCalorimeter_geo.cpp b/DDDetectors/src/CylindricalBarrelCalorimeter_geo.cpp
index 6256d2ff5eac694e9e0a4748f43cd60df4ae26b3..83f6e1df76b9bd3fa628dd75c55f3d181c46e1c0 100644
--- a/DDDetectors/src/CylindricalBarrelCalorimeter_geo.cpp
+++ b/DDDetectors/src/CylindricalBarrelCalorimeter_geo.cpp
@@ -1,4 +1,3 @@
-// $Id: $
 //==========================================================================
 //  AIDA Detector description implementation 
 //--------------------------------------------------------------------------
@@ -36,17 +35,17 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
     
   for(xml_coll_t c(x_det,_U(layer)); c; ++c)  {
     xml_comp_t x_layer = c;
-    for(int i=0, m=0, repeat=x_layer.repeat(); i<repeat; ++i, m=0)  {
+    for(int i=0, im=0, repeat=x_layer.repeat(); i<repeat; ++i, im=0)  {
       string layer_name = det_name + _toString(n,"_layer%d");
       double rlayer = r;
       Tube   layer_tub(rmin,rlayer,2*z);
       Volume layer_vol(layer_name,layer_tub,air);
         
-      for(xml_coll_t l(x_layer,_U(slice)); l; ++l, ++m)  {
+      for(xml_coll_t l(x_layer,_U(slice)); l; ++l, ++im)  {
         xml_comp_t x_slice = l;
         double     router = r + x_slice.thickness();
         Material   slice_mat  = description.material(x_slice.materialStr());
-        string     slice_name = layer_name + _toString(m,"slice%d");
+        string     slice_name = layer_name + _toString(im,"slice%d");
         Tube       slice_tube(r,router,z*2);
         Volume     slice_vol (slice_name,slice_tube,slice_mat);
           
diff --git a/DDDetectors/src/CylindricalEndcapCalorimeter_geo.cpp b/DDDetectors/src/CylindricalEndcapCalorimeter_geo.cpp
index 4530d1836a3f9c72ba6a6911d0178e5c97c237f2..ff9417d5147cb81d1d54df35c38ab0edb7461361 100644
--- a/DDDetectors/src/CylindricalEndcapCalorimeter_geo.cpp
+++ b/DDDetectors/src/CylindricalEndcapCalorimeter_geo.cpp
@@ -1,4 +1,3 @@
-// $Id: $
 //==========================================================================
 //  AIDA Detector description implementation 
 //--------------------------------------------------------------------------
@@ -45,12 +44,12 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
     double layerWidth = 0;
     for(xml_coll_t l(x_layer,_U(slice)); l; ++l)
       layerWidth += xml_comp_t(l).thickness();
-    for(int i=0, m=0, repeat=x_layer.repeat(); i<repeat; ++i)  {
+    for(int i=0, im=0, repeat=x_layer.repeat(); i<repeat; ++i)  {
       double     zlayer = z;
       string     layer_name = det_name + _toString(layer_num,"_layer%d");
       Volume     layer_vol(layer_name,Tube(rmin,rmax,layerWidth),air);
 
-      for(xml_coll_t l(x_layer,_U(slice)); l; ++l, ++m)  {
+      for(xml_coll_t l(x_layer,_U(slice)); l; ++l, ++im)  {
         xml_comp_t x_slice = l;
         double     w = x_slice.thickness();
         string     slice_name = layer_name + _toString(m+1,"slice%d");
diff --git a/DDDetectors/src/MultiLayerTracker_geo.cpp b/DDDetectors/src/MultiLayerTracker_geo.cpp
index 114dd3706cd3c8016e335fdc07a694086d3db213..4798586af1f5f73fa3ef8d33dec1a87bb3ca393b 100644
--- a/DDDetectors/src/MultiLayerTracker_geo.cpp
+++ b/DDDetectors/src/MultiLayerTracker_geo.cpp
@@ -38,12 +38,12 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
     DetElement layer(sdet,_toString(n,"layer%d"),x_layer.id());
     Tube    l_tub (rmin,2*rmin,z);
     Volume  l_vol(l_name,l_tub,air);
-    int m = 0;
+    int im = 0;
 
-    for(xml_coll_t j(x_layer,_U(slice)); j; ++j, ++m)  {
+    for(xml_coll_t j(x_layer,_U(slice)); j; ++j, ++im)  {
       xml_comp_t x_slice = j;
       Material mat = description.material(x_slice.materialStr());
-      string s_name= l_name+_toString(m,"_slice%d");
+      string s_name= l_name+_toString(im,"_slice%d");
       double thickness = x_slice.thickness();
       Tube   s_tub(r,r+thickness,z,2*M_PI);
       Volume s_vol(s_name, s_tub, mat);
@@ -57,7 +57,7 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
       s_vol.setAttributes(description,x_slice.regionStr(),x_slice.limitsStr(),x_slice.visStr());
       pv = l_vol.placeVolume(s_vol);
       // Slices have no extra id. Take the ID of the layer!
-      pv.addPhysVolID("slice",m);
+      pv.addPhysVolID("slice",im);
     }
     l_tub.setDimensions(rmin,r,z);
     //cout << l_name << " " << rmin << " " << r << " " << z << endl;
diff --git a/DDDetectors/src/PolyhedraEndcapCalorimeter2_geo.cpp b/DDDetectors/src/PolyhedraEndcapCalorimeter2_geo.cpp
index c5b6eb8215eddb9e4fb0c3f4dfbd74ac00c8e7da..8d92071d07c931d78e4ac9e24dc3609d83cfb51c 100644
--- a/DDDetectors/src/PolyhedraEndcapCalorimeter2_geo.cpp
+++ b/DDDetectors/src/PolyhedraEndcapCalorimeter2_geo.cpp
@@ -65,9 +65,9 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
       PlacedVolume s_phv = l_vol.placeVolume(s_vol,Position(0,0,sliceZ));
       s_phv.addPhysVolID("slice",s_num);
       if ( x_slice.isSensitive() )  {
-	sens.setType("calorimeter");
-	s_vol.setSensitiveDetector(sens);
-	sensitives.push_back(s_phv);
+        sens.setType("calorimeter");
+        s_vol.setSensitiveDetector(sens);
+        sensitives.push_back(s_phv);
       }
       sliceZ += s_thick/2;
       s_num++;
@@ -82,9 +82,9 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
       pv.addPhysVolID("layer", l_num);
       layer_elt.setPlacement(pv);
       for(size_t ic=0; ic<sensitives.size(); ++ic)  {
-	PlacedVolume sens_pv = sensitives[ic];
-	DetElement comp_elt(layer_elt,sens_pv.volume().name(),l_num);
-	comp_elt.setPlacement(sens_pv);
+        PlacedVolume sens_pv = sensitives[ic];
+        DetElement comp_elt(layer_elt,sens_pv.volume().name(),l_num);
+        comp_elt.setPlacement(sens_pv);
       }
       layerZ += l_thick/2;
       ++l_num;
@@ -104,12 +104,12 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
     DetElement  sdetB = endcap.clone(det_name+"_B",x_det.id());
 
     pv = assembly.placeVolume(endcapVol,Transform3D(RotationZYX(M_PI/numsides,0,0),
-						    Position(0,0,z_pos)));
+                                                    Position(0,0,z_pos)));
     pv.addPhysVolID("barrel", 1);
     sdetA.setPlacement(pv);
 
     pv = assembly.placeVolume(endcapVol,Transform3D(RotationZYX(M_PI/numsides,M_PI,0),
-						    Position(0,0,-z_pos)));
+                                                    Position(0,0,-z_pos)));
     pv.addPhysVolID("barrel", 2);
     sdetB.setPlacement(pv);
 
@@ -122,7 +122,7 @@ static Ref_t create_detector(Detector& description, xml_h e, SensitiveDetector s
   }
   Volume motherVol = description.pickMotherVolume(endcap);
   pv = motherVol.placeVolume(endcapVol,Transform3D(RotationZYX(M_PI/numsides,0,0),
-						 Position(0,0,z_pos)));
+                                                   Position(0,0,z_pos)));
   pv.addPhysVolID("system", det_id);
   pv.addPhysVolID("barrel", 1);
   endcap.setPlacement(pv);
diff --git a/DDG4/src/Geant4Converter.cpp b/DDG4/src/Geant4Converter.cpp
index bcd500e16bad3035a32607103fc680be66639f7f..aa62584ecaf969ed293991214840500b99e7fa71 100644
--- a/DDG4/src/Geant4Converter.cpp
+++ b/DDG4/src/Geant4Converter.cpp
@@ -416,103 +416,103 @@ void* Geant4Converter::handleSolid(const string& name, const TGeoShape* shape) c
       return solid;
     }
     else if (shape->IsA() == TGeoBBox::Class()) {
-      const TGeoBBox* s = (const TGeoBBox*) shape;
-      solid = new G4Box(name, s->GetDX() * CM_2_MM, s->GetDY() * CM_2_MM, s->GetDZ() * CM_2_MM);
+      const TGeoBBox* sh = (const TGeoBBox*) shape;
+      solid = new G4Box(name, sh->GetDX() * CM_2_MM, sh->GetDY() * CM_2_MM, sh->GetDZ() * CM_2_MM);
     }
     else if (shape->IsA() == TGeoTube::Class()) {
-      const TGeoTube* s = (const TGeoTube*) shape;
-      solid = new G4Tubs(name, s->GetRmin() * CM_2_MM, s->GetRmax() * CM_2_MM, s->GetDz() * CM_2_MM, 0, 2. * M_PI);
+      const TGeoTube* sh = (const TGeoTube*) shape;
+      solid = new G4Tubs(name, sh->GetRmin() * CM_2_MM, sh->GetRmax() * CM_2_MM, sh->GetDz() * CM_2_MM, 0, 2. * M_PI);
     }
     else if (shape->IsA() == TGeoTubeSeg::Class()) {
-      const TGeoTubeSeg* s = (const TGeoTubeSeg*) shape;
-      solid = new G4Tubs(name, s->GetRmin() * CM_2_MM, s->GetRmax() * CM_2_MM, s->GetDz() * CM_2_MM,
-                         s->GetPhi1() * DEGREE_2_RAD, (s->GetPhi2()-s->GetPhi1()) * DEGREE_2_RAD);
+      const TGeoTubeSeg* sh = (const TGeoTubeSeg*) shape;
+      solid = new G4Tubs(name, sh->GetRmin() * CM_2_MM, sh->GetRmax() * CM_2_MM, sh->GetDz() * CM_2_MM,
+                         sh->GetPhi1() * DEGREE_2_RAD, (sh->GetPhi2()-sh->GetPhi1()) * DEGREE_2_RAD);
     }
     else if (shape->IsA() == TGeoEltu::Class()) {
-      const TGeoEltu* s = (const TGeoEltu*) shape;
-      solid = new G4EllipticalTube(name,s->GetA() * CM_2_MM, s->GetB() * CM_2_MM, s->GetDz() * CM_2_MM);
+      const TGeoEltu* sh = (const TGeoEltu*) shape;
+      solid = new G4EllipticalTube(name,sh->GetA() * CM_2_MM, sh->GetB() * CM_2_MM, sh->GetDz() * CM_2_MM);
     }
     else if (shape->IsA() == TGeoTrd1::Class()) {
-      const TGeoTrd1* s = (const TGeoTrd1*) shape;
-      solid = new G4Trd(name, s->GetDx1() * CM_2_MM, s->GetDx2() * CM_2_MM, s->GetDy() * CM_2_MM, s->GetDy() * CM_2_MM,
-                        s->GetDz() * CM_2_MM);
+      const TGeoTrd1* sh = (const TGeoTrd1*) shape;
+      solid = new G4Trd(name, sh->GetDx1() * CM_2_MM, sh->GetDx2() * CM_2_MM, sh->GetDy() * CM_2_MM, sh->GetDy() * CM_2_MM,
+                        sh->GetDz() * CM_2_MM);
     }
     else if (shape->IsA() == TGeoTrd2::Class()) {
-      const TGeoTrd2* s = (const TGeoTrd2*) shape;
-      solid = new G4Trd(name, s->GetDx1() * CM_2_MM, s->GetDx2() * CM_2_MM, s->GetDy1() * CM_2_MM, s->GetDy2() * CM_2_MM,
-                        s->GetDz() * CM_2_MM);
+      const TGeoTrd2* sh = (const TGeoTrd2*) shape;
+      solid = new G4Trd(name, sh->GetDx1() * CM_2_MM, sh->GetDx2() * CM_2_MM, sh->GetDy1() * CM_2_MM, sh->GetDy2() * CM_2_MM,
+                        sh->GetDz() * CM_2_MM);
     }
     else if (shape->IsA() == TGeoHype::Class()) {
-      const TGeoHype* s = (const TGeoHype*) shape;
-      solid = new G4Hype(name, s->GetRmin() * CM_2_MM, s->GetRmax() * CM_2_MM,
-                         s->GetStIn() * DEGREE_2_RAD, s->GetStOut() * DEGREE_2_RAD,
-                         s->GetDz() * CM_2_MM);
+      const TGeoHype* sh = (const TGeoHype*) shape;
+      solid = new G4Hype(name, sh->GetRmin() * CM_2_MM, sh->GetRmax() * CM_2_MM,
+                         sh->GetStIn() * DEGREE_2_RAD, sh->GetStOut() * DEGREE_2_RAD,
+                         sh->GetDz() * CM_2_MM);
     }
     else if (shape->IsA() == TGeoPgon::Class()) {
-      const TGeoPgon* s = (const TGeoPgon*) shape;
-      double phi_start = s->GetPhi1() * DEGREE_2_RAD;
-      double phi_total = (s->GetDphi() + s->GetPhi1()) * DEGREE_2_RAD;
+      const TGeoPgon* sh = (const TGeoPgon*) shape;
+      double phi_start = sh->GetPhi1() * DEGREE_2_RAD;
+      double phi_total = (sh->GetDphi() + sh->GetPhi1()) * DEGREE_2_RAD;
       vector<double> rmin, rmax, z;
-      for (Int_t i = 0; i < s->GetNz(); ++i) {
-        rmin.push_back(s->GetRmin(i) * CM_2_MM);
-        rmax.push_back(s->GetRmax(i) * CM_2_MM);
-        z.push_back(s->GetZ(i) * CM_2_MM);
+      for (Int_t i = 0; i < sh->GetNz(); ++i) {
+        rmin.push_back(sh->GetRmin(i) * CM_2_MM);
+        rmax.push_back(sh->GetRmax(i) * CM_2_MM);
+        z.push_back(sh->GetZ(i) * CM_2_MM);
       }
-      solid = new G4Polyhedra(name, phi_start, phi_total, s->GetNedges(), s->GetNz(), &z[0], &rmin[0], &rmax[0]);
+      solid = new G4Polyhedra(name, phi_start, phi_total, sh->GetNedges(), sh->GetNz(), &z[0], &rmin[0], &rmax[0]);
     }
     else if (shape->IsA() == TGeoPcon::Class()) {
-      const TGeoPcon* s = (const TGeoPcon*) shape;
-      double phi_start = s->GetPhi1() * DEGREE_2_RAD;
-      double phi_total = (s->GetDphi() + s->GetPhi1()) * DEGREE_2_RAD;
+      const TGeoPcon* sh = (const TGeoPcon*) shape;
+      double phi_start = sh->GetPhi1() * DEGREE_2_RAD;
+      double phi_total = (sh->GetDphi() + sh->GetPhi1()) * DEGREE_2_RAD;
       vector<double> rmin, rmax, z;
-      for (Int_t i = 0; i < s->GetNz(); ++i) {
-        rmin.push_back(s->GetRmin(i) * CM_2_MM);
-        rmax.push_back(s->GetRmax(i) * CM_2_MM);
-        z.push_back(s->GetZ(i) * CM_2_MM);
+      for (Int_t i = 0; i < sh->GetNz(); ++i) {
+        rmin.push_back(sh->GetRmin(i) * CM_2_MM);
+        rmax.push_back(sh->GetRmax(i) * CM_2_MM);
+        z.push_back(sh->GetZ(i) * CM_2_MM);
       }
-      solid = new G4Polycone(name, phi_start, phi_total, s->GetNz(), &z[0], &rmin[0], &rmax[0]);
+      solid = new G4Polycone(name, phi_start, phi_total, sh->GetNz(), &z[0], &rmin[0], &rmax[0]);
     }
     else if (shape->IsA() == TGeoCone::Class()) {
-      const TGeoCone* s = (const TGeoCone*) shape;
-      solid = new G4Cons(name, s->GetRmin1() * CM_2_MM, s->GetRmax1() * CM_2_MM, s->GetRmin2() * CM_2_MM,
-                         s->GetRmax2() * CM_2_MM, s->GetDz() * CM_2_MM, 0.0, 2.*M_PI);
+      const TGeoCone* sh = (const TGeoCone*) shape;
+      solid = new G4Cons(name, sh->GetRmin1() * CM_2_MM, sh->GetRmax1() * CM_2_MM, sh->GetRmin2() * CM_2_MM,
+                         sh->GetRmax2() * CM_2_MM, sh->GetDz() * CM_2_MM, 0.0, 2.*M_PI);
     }
     else if (shape->IsA() == TGeoConeSeg::Class()) {
-      const TGeoConeSeg* s = (const TGeoConeSeg*) shape;
-      solid = new G4Cons(name, s->GetRmin1() * CM_2_MM, s->GetRmax1() * CM_2_MM,
-                         s->GetRmin2() * CM_2_MM, s->GetRmax2() * CM_2_MM,
-                         s->GetDz() * CM_2_MM,
-                         s->GetPhi1() * DEGREE_2_RAD, (s->GetPhi2()-s->GetPhi1()) * DEGREE_2_RAD);
+      const TGeoConeSeg* sh = (const TGeoConeSeg*) shape;
+      solid = new G4Cons(name, sh->GetRmin1() * CM_2_MM, sh->GetRmax1() * CM_2_MM,
+                         sh->GetRmin2() * CM_2_MM, sh->GetRmax2() * CM_2_MM,
+                         sh->GetDz() * CM_2_MM,
+                         sh->GetPhi1() * DEGREE_2_RAD, (sh->GetPhi2()-sh->GetPhi1()) * DEGREE_2_RAD);
     }
     else if (shape->IsA() == TGeoParaboloid::Class()) {
-      const TGeoParaboloid* s = (const TGeoParaboloid*) shape;
-      solid = new G4Paraboloid(name, s->GetDz() * CM_2_MM, s->GetRlo() * CM_2_MM, s->GetRhi() * CM_2_MM);
+      const TGeoParaboloid* sh = (const TGeoParaboloid*) shape;
+      solid = new G4Paraboloid(name, sh->GetDz() * CM_2_MM, sh->GetRlo() * CM_2_MM, sh->GetRhi() * CM_2_MM);
     }
 #if 0  /* Not existent */
     else if (shape->IsA() == TGeoEllisoid::Class()) {
-      const TGeoParaboloid* s = (const TGeoParaboloid*) shape;
-      solid = new G4Paraboloid(name, s->GetDz() * CM_2_MM, s->GetRlo() * CM_2_MM, s->GetRhi() * CM_2_MM);
+      const TGeoParaboloid* sh = (const TGeoParaboloid*) shape;
+      solid = new G4Paraboloid(name, sh->GetDz() * CM_2_MM, sh->GetRlo() * CM_2_MM, sh->GetRhi() * CM_2_MM);
     }
 #endif
     else if (shape->IsA() == TGeoSphere::Class()) {
-      const TGeoSphere* s = (const TGeoSphere*) shape;
-      solid = new G4Sphere(name, s->GetRmin() * CM_2_MM, s->GetRmax() * CM_2_MM, s->GetPhi1() * DEGREE_2_RAD,
-                           s->GetPhi2() * DEGREE_2_RAD, s->GetTheta1() * DEGREE_2_RAD, s->GetTheta2() * DEGREE_2_RAD);
+      const TGeoSphere* sh = (const TGeoSphere*) shape;
+      solid = new G4Sphere(name, sh->GetRmin() * CM_2_MM, sh->GetRmax() * CM_2_MM, sh->GetPhi1() * DEGREE_2_RAD,
+                           sh->GetPhi2() * DEGREE_2_RAD, sh->GetTheta1() * DEGREE_2_RAD, sh->GetTheta2() * DEGREE_2_RAD);
     }
     else if (shape->IsA() == TGeoTorus::Class()) {
-      const TGeoTorus* s = (const TGeoTorus*) shape;
-      solid = new G4Torus(name, s->GetRmin() * CM_2_MM, s->GetRmax() * CM_2_MM, s->GetR() * CM_2_MM,
-                          s->GetPhi1() * DEGREE_2_RAD, s->GetDphi() * DEGREE_2_RAD);
+      const TGeoTorus* sh = (const TGeoTorus*) shape;
+      solid = new G4Torus(name, sh->GetRmin() * CM_2_MM, sh->GetRmax() * CM_2_MM, sh->GetR() * CM_2_MM,
+                          sh->GetPhi1() * DEGREE_2_RAD, sh->GetDphi() * DEGREE_2_RAD);
     }
     else if (shape->IsA() == TGeoTrap::Class()) {
-      const TGeoTrap* s = (const TGeoTrap*) shape;
-      solid = new G4Trap(name, s->GetDz() * CM_2_MM, s->GetTheta(), s->GetPhi(),
-                         s->GetH1() * CM_2_MM, s->GetBl1() * CM_2_MM, s->GetTl1() * CM_2_MM, s->GetAlpha1() * DEGREE_2_RAD,
-                         s->GetH2() * CM_2_MM, s->GetBl2() * CM_2_MM, s->GetTl2() * CM_2_MM, s->GetAlpha2() * DEGREE_2_RAD);
+      const TGeoTrap* sh = (const TGeoTrap*) shape;
+      solid = new G4Trap(name, sh->GetDz() * CM_2_MM, sh->GetTheta(), sh->GetPhi(),
+                         sh->GetH1() * CM_2_MM, sh->GetBl1() * CM_2_MM, sh->GetTl1() * CM_2_MM, sh->GetAlpha1() * DEGREE_2_RAD,
+                         sh->GetH2() * CM_2_MM, sh->GetBl2() * CM_2_MM, sh->GetTl2() * CM_2_MM, sh->GetAlpha2() * DEGREE_2_RAD);
     }
     else if (shape->IsA() == TGeoCompositeShape::Class()) {
-      const TGeoCompositeShape* s = (const TGeoCompositeShape*) shape;
-      const TGeoBoolNode* boolean = s->GetBoolNode();
+      const TGeoCompositeShape* sh = (const TGeoCompositeShape*) shape;
+      const TGeoBoolNode* boolean = sh->GetBoolNode();
       TGeoBoolNode::EGeoBoolType oper = boolean->GetBooleanOperator();
       TGeoMatrix* m = boolean->GetRightMatrix();
       G4VSolid* left = (G4VSolid*) handleSolid(name + "_left", boolean->GetLeftShape());
@@ -598,12 +598,12 @@ void* Geant4Converter::handleVolume(const string& name, const TGeoVolume* volume
     PrintLevel lvl = debugVolumes ? ALWAYS : outputLevel;
     const TGeoVolume* v = volume;
     Volume _v = Ref_t(v);
-    string n = v->GetName();
-    TGeoMedium* m = v->GetMedium();
-    TGeoShape* s = v->GetShape();
-    G4VSolid* solid = (G4VSolid*) handleSolid(s->GetName(), s);
+    string  n = v->GetName();
+    TGeoMedium* med = v->GetMedium();
+    TGeoShape* sh = v->GetShape();
+    G4VSolid* solid = (G4VSolid*) handleSolid(sh->GetName(), sh);
     G4Material* medium = 0;
-    bool assembly = s->IsA() == TGeoShapeAssembly::Class() || v->IsA() == TGeoVolumeAssembly::Class();
+    bool assembly = sh->IsA() == TGeoShapeAssembly::Class() || v->IsA() == TGeoVolumeAssembly::Class();
 
     LimitSet lim = _v.limitSet();
     G4UserLimits* user_limits = 0;
@@ -629,13 +629,13 @@ void* Geant4Converter::handleVolume(const string& name, const TGeoVolume* volume
       }
     }
     printout(lvl, "Geant4Converter", "++ Convert Volume %-32s: %p %s/%s assembly:%s",
-             n.c_str(), v, s->IsA()->GetName(), v->IsA()->GetName(), yes_no(assembly));
+             n.c_str(), v, sh->IsA()->GetName(), v->IsA()->GetName(), yes_no(assembly));
 
     if (assembly) {
       //info.g4AssemblyVolumes[v] = new Geant4AssemblyVolume();
       return 0;
     }
-    medium = (G4Material*) handleMaterial(m->GetName(), Material(m));
+    medium = (G4Material*) handleMaterial(med->GetName(), Material(med));
     if (!solid) {
       throw runtime_error("G4Converter: No Geant4 Solid present for volume:" + n);
     }
@@ -884,10 +884,10 @@ void* Geant4Converter::handleVis(const string& /* name */, VisAttr attr) const {
   Geant4GeometryInfo& info = data();
   G4VisAttributes* g4 = info.g4Vis[attr];
   if (!g4) {
-    float r = 0, g = 0, b = 0;
+    float red = 0, green = 0, blue = 0;
     int style = attr.lineStyle();
-    attr.rgb(r, g, b);
-    g4 = new G4VisAttributes(attr.visible(), G4Colour(r, g, b, attr.alpha()));
+    attr.rgb(red, green, blue);
+    g4 = new G4VisAttributes(attr.visible(), G4Colour(red, green, blue, attr.alpha()));
     //g4->SetLineWidth(attr->GetLineWidth());
     g4->SetDaughtersInvisible(!attr.showDaughters());
     if (style == VisAttr::SOLID) {