FDsimG4CameraSupport.cc

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#include "FDsimG4CameraSupport.hh"

#include "G4UnitsTable.hh"
#include "G4OpticalSurface.hh"
#include "G4LogicalBorderSurface.hh"
#include "G4LogicalSkinSurface.hh"
#include "G4Material.hh"
#include "G4MaterialTable.hh"
#include "G4Cons.hh"
#include "G4Sphere.hh"
#include "G4LogicalVolume.hh"
#include "G4ThreeVector.hh"
#include "G4VisAttributes.hh"

using namespace TelescopeSimulatorLX ;

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FDsimG4CameraSupport::FDsimG4CameraSupport(G4double OuRad){

  Thickness =   60.0*mm ;
  InRadius  = OuRad-Thickness;
  //  InRadius  = 1641.0*mm ;
          
  Hside=930*mm;
  Vside=860*mm;

  G4double Dphi  =asin(Hside/InRadius);
  G4double Dtheta=asin(Vside/InRadius);

  fThetaMin = (pi/2.-Dtheta/2.) ; 
  fThetaMax = Dtheta ;
  fPhiMin   = pi/2.-Dphi/2. ; 
  fPhiMax   = Dphi ;

  CameraSupportMaterial = G4Material::GetMaterial("Aluminum");
  MakeCameraSupportLogicalVolume();
  //  CheckParameters() ;

}

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FDsimG4CameraSupport::~FDsimG4CameraSupport(){;}
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// void FDsimG4CameraSupport::CheckParameters(){

//   if (pitchAtZ2 < pixelSizeAtZ2 &&  NumOfPixels > 1) 
//   {
//    DumpInfo() ;
//    G4Exception("Error in FDsimG4Mercedes parameters: pitch at Z2 is smaller than pixel size !!!");
//   }


//   if (!MercedesMaterial)
//   {
//    G4Exception("Error in FDsimG4Mercedes constructor: G4Material of Mercedes not specified !!!");
//   }

// }

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void FDsimG4CameraSupport::DumpInfo(){

  G4cerr << " ================================================================  " << G4endl ;
  G4cerr << " =                    CameraSupport parameters                          " << G4endl ;
  G4cerr << " =                                                                 " << G4endl ;
  G4cerr << " =  Material                : " << CameraSupportMaterial->GetName()      << G4endl ;
  G4cerr << " =                                                                 " << G4endl ;    
  G4cerr << " ================================================================  " << G4endl ;

}
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void FDsimG4CameraSupport::MakeCameraSupportLogicalVolume(){

  // Build Sphere 
  //--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__

  G4Sphere * CameraSupport = 
    new G4Sphere("sphere",InRadius,InRadius+Thickness,fThetaMin,fThetaMax,fPhiMin,fPhiMax) ; 

  //--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__--__

  CameraSupport_log =  new G4LogicalVolume(CameraSupport,(G4Material *)CameraSupportMaterial,"CameraSupport",0,0,0);

  //  CameraSupport_log->SetVisAttributes(new G4VisAttributes(gray)) ;

  // define camera - air optical surface 

  G4OpticalSurface * OpticalAirCameraSupport= new G4OpticalSurface("CameraSupportSurface");
  OpticalAirCameraSupport->SetModel(unified);
  OpticalAirCameraSupport->SetType(dielectric_metal);   

  G4MaterialPropertiesTable *CameraSupportMPT = new G4MaterialPropertiesTable();
  CameraSupportMPT->AddProperty("REFLECTIVITY", new G4MaterialPropertyVector()) ;
  CameraSupportMPT->AddEntry("REFLECTIVITY", 0.0*eV,0.);
  CameraSupportMPT->AddEntry("REFLECTIVITY",10.0*eV,0.);

  OpticalAirCameraSupport->SetMaterialPropertiesTable(CameraSupportMPT) ;       

  new G4LogicalSkinSurface("CameraSupportSurface",CameraSupport_log,OpticalAirCameraSupport);
}
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