PCB in BuildEpic (identical to what is done in FissionChamber)

NPSimulation/Detectors/Epic/Epic.cc

@@ -187,12 +187,34 @@ G4AssemblyVolume* Epic::BuildEpic(){
   G4Material* Al_material = MaterialManager::getInstance()->GetMaterialFromLibrary("Al");
   G4Material* Cu_material = MaterialManager::getInstance()->GetMaterialFromLibrary("Cu");
   G4Material* Ti_material = MaterialManager::getInstance()->GetMaterialFromLibrary("Ti");
+  G4Material* Rogers_material = MaterialManager::getInstance()->GetMaterialFromLibrary("Rogers4003C");
+
+
+  // --- PCB material (6 layers of Cu)
+  double posY_PCB   = -85.0*mm;    // @the 6-Cu layers
+  double PCB_width  = 180.0*mm;
+  double PCB_length = 330.0*mm;
+  double PCB_Rogers_height = 1.6*mm;     
+  double PCB_Cu_height     = 6*35.*um;     
 
+  G4Box* PCB_Rogers_solid = new G4Box("PCB_Rogers",0.5*PCB_width,0.5*PCB_Rogers_height,0.5*PCB_length); 
+  G4Box* PCB_Cu_solid = new G4Box("PCB_Cu",0.5*PCB_width,0.5*PCB_Cu_height,0.5*PCB_length); 
+  
+  G4LogicalVolume* PCB_Rogers_vol = new G4LogicalVolume(PCB_Rogers_solid, Rogers_material,"PCB_Rogers_logic",0,0,0);
+  G4LogicalVolume* PCB_Cu_vol     = new G4LogicalVolume(PCB_Cu_solid, Cu_material,"PCB_Cu_logic",0,0,0);
+  
+  PCB_Rogers_vol->SetVisAttributes(m_VisRogers4003C);
+  Tv.setY(posY_PCB + 0.5*PCB_Cu_height + 0.5*PCB_Rogers_height);
+  m_EpicVolume->AddPlacedVolume(PCB_Rogers_vol, Tv, Rv);
+  
+  PCB_Cu_vol->SetVisAttributes(m_VisCu);
+  Tv.setY(posY_PCB);
+  m_EpicVolume->AddPlacedVolume(PCB_Cu_vol, Tv, Rv);
 
   // --- Flange in Aluminium
-  double flange_full_width  = 180.*mm;
-  double flange_full_height =   5.*mm;
-  double flange_full_length = 330.*mm;
+  double flange_full_width  = PCB_width;
+  double flange_full_length = PCB_length;
+  double flange_full_height =   5.*mm;   double posY_flange = posY_PCB - 0.5*PCB_Cu_height - 0.5*flange_full_height ;
   double flange_open_width   = 150.0*mm; 
   double flange_open_height  =   5.1*mm; 
   double flange_open1_length =  42.0*mm; double posZ_open1 = -73.5*mm;
@@ -210,7 +232,7 @@ G4AssemblyVolume* Epic::BuildEpic(){
 
   G4LogicalVolume* flange_vol = new G4LogicalVolume(flange_final, Al_material, "flange_logic", 0,0,0);
   flange_vol->SetVisAttributes(m_VisAl);
-  Tv.setY(0);
+  Tv.setY(posY_flange);
   m_EpicVolume->AddPlacedVolume(flange_vol, Tv, Rv);
 
 
@@ -237,27 +259,6 @@ G4AssemblyVolume* Epic::BuildEpic(){
   m_EpicVolume->AddPlacedVolume(gas_volume, Tv, Rv);
 
   
-  // Bottom PCB plate //
-  double PCB_width = 18.*cm;
-  double PCB_length = 33.*cm;
-  double PCB_Rogers_height = 1.6*mm;
-  double PCB_Cu_height = 6*35.*um;
-  double PCB_PosY = -8.5*cm; 
-  // Cu layers
-  G4Box* PCB_Cu_solid = new G4Box("PCB_Cu_solid",0.5*PCB_width,0.5*PCB_Cu_height,0.5*PCB_length); 
-  G4Material* Cu_material = MaterialManager::getInstance()->GetMaterialFromLibrary("Cu");
-  G4LogicalVolume* PCB_Cu_vol = new G4LogicalVolume(PCB_Cu_solid, Cu_material,"PCB_Cu_logic",0,0,0);
-  PCB_Cu_vol->SetVisAttributes(m_VisCu);
-  Tv.setY(PCB_PosY);
-  m_EpicVolume->AddPlacedVolume(PCB_Cu_vol, Tv, Rv);
-
-  // Rogers 4003C layers
-  G4Box* PCB_Rogers_solid = new G4Box("PCB_Rogers_solid",0.5*PCB_width,0.5*PCB_Rogers_height,0.5*PCB_length); 
-  G4Material* Rogers_material = MaterialManager::getInstance()->GetMaterialFromLibrary("Rogers4003C");
-  G4LogicalVolume* PCB_Rogers_vol = new G4LogicalVolume(PCB_Rogers_solid, Rogers_material,"PCB_Rogers_logic",0,0,0);
-  PCB_Rogers_vol->SetVisAttributes(m_VisRogers4003C);
-  Tv.setY(PCB_PosY + 0.5*PCB_Cu_height + 0.5*PCB_Rogers_height);
-  m_EpicVolume->AddPlacedVolume(PCB_Rogers_vol, Tv, Rv);
 
   // Al frame //
   double frame1_width = 18.*cm;