source: trunk/examples/extended/medical/DICOM/src/RegularDicomDetectorConstruction.cc @ 1337

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// 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 "RegularDicomDetectorConstruction.hh"
#include "DicomPhantomParameterisationColour.hh"

RegularDicomDetectorConstruction::RegularDicomDetectorConstruction() : DicomDetectorConstruction()
{
}

RegularDicomDetectorConstruction::~RegularDicomDetectorConstruction()
{
}

//-------------------------------------------------------------
void RegularDicomDetectorConstruction::ConstructPatient()
{
#ifdef G4VERBOSE
  G4cout << "RegularDicomDetectorConstruction::ConstructPatient " << G4endl;
#endif

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

  //----- Set voxel dimensions
  param->SetVoxelDimensions( voxelHalfDimX, voxelHalfDimY, voxelHalfDimZ );

  //----- Set number of voxels 
  param->SetNoVoxel( nVoxelX, nVoxelY, nVoxelZ );

  //----- 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", voxelHalfDimX, voxelHalfDimY, voxelHalfDimZ);
  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

  //--- Assign the container volume of the parameterisation
  param->BuildContainerSolid(container_phys);

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


  //----- The G4PVParameterised object that uses the created parameterisation should be placed in the container logical volume
  G4PVParameterised * patient_phys = new G4PVParameterised("Patient",voxel_logic,container_logic,
                        kXAxis, nVoxelX*nVoxelY*nVoxelZ, 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
  patient_phys->SetRegularStructureId(1); // if not set, G4VoxelNavigation will be used instead 

  SetScorer(voxel_logic);
}