DicomRegularDetectorConstruction.cc

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// $Id: DicomRegularDetectorConstruction.cc 74592 2013-10-15 21:20:11Z jmadsen 
//
//
// History:
//        Pedro Arce  
//
//*******************************************************

#include "globals.hh"

#include "G4Box.hh"
#include "G4LogicalVolume.hh"
#include "G4VPhysicalVolume.hh"
#include "G4PVPlacement.hh"
#include "G4PVParameterised.hh"
#include "G4Material.hh"
#include "G4Element.hh"
#include "G4VisAttributes.hh"
#include "G4Colour.hh"
#include "G4ios.hh"

#include "DicomRegularDetectorConstruction.hh"
#include "DicomPhantomParameterisationColour.hh"

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
DicomRegularDetectorConstruction::DicomRegularDetectorConstruction() 
 : DicomDetectorConstruction()
{
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
DicomRegularDetectorConstruction::~DicomRegularDetectorConstruction()
{
}

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
void DicomRegularDetectorConstruction::ConstructPhantom()
{
#ifdef G4VERBOSE
  G4cout << "DicomRegularDetectorConstruction::ConstructPhantom " << G4endl;
#endif

  //----- Create parameterisation 
  DicomPhantomParameterisationColour* param = 
    new DicomPhantomParameterisationColour();

  //----- Set voxel dimensions
  param->SetVoxelDimensions( fVoxelHalfDimX, fVoxelHalfDimY, fVoxelHalfDimZ );

  //----- Set number of voxels 
  param->SetNoVoxel( fNVoxelX, fNVoxelY, fNVoxelZ );

  //----- Set list of materials
  param->SetMaterials( fMaterials ); 

  //----- Set list of material indices: for each voxel it is a number that
  // correspond to the index of its material in the vector of materials
  // defined above
  param->SetMaterialIndices( fMateIDs );

  //----- Define voxel logical volume
  G4Box* voxel_solid = 
    new G4Box( "Voxel", fVoxelHalfDimX, fVoxelHalfDimY, fVoxelHalfDimZ);
  G4LogicalVolume* voxel_logic = 
    new G4LogicalVolume(voxel_solid,fMaterials[0],"VoxelLogical",
                             0,0,0);
  // material is not relevant, it will be changed by the
  // ComputeMaterial method of the parameterisation

    voxel_logic->SetVisAttributes(
                     new G4VisAttributes(G4VisAttributes::GetInvisible()));
    
  //--- Assign the fContainer volume of the parameterisation
  param->BuildContainerSolid(fContainer_phys);

  //--- Assure yourself that the voxels are completely filling the 
  // fContainer volume
  param->CheckVoxelsFillContainer( fContainer_solid->GetXHalfLength(), 
                                   fContainer_solid->GetYHalfLength(), 
                                   fContainer_solid->GetZHalfLength() );

  //----- The G4PVParameterised object that uses the created parameterisation
  // should be placed in the fContainer logical volume
  G4PVParameterised * phantom_phys = 
    new G4PVParameterised("phantom",voxel_logic,fContainer_logic,
                          kXAxis, fNVoxelX*fNVoxelY*fNVoxelZ, param);
  // if axis is set as kUndefined instead of kXAxis, GEANT4 will 
  //  do an smart voxel optimisation 
  // (not needed if G4RegularNavigation is used)

  //----- Set this physical volume as having a regular structure of type 1, 
  // so that G4RegularNavigation is used
  phantom_phys->SetRegularStructureId(1); // if not set, G4VoxelNavigation
  //will be used instead 

  SetScorer(voxel_logic);
}