Gabriele Cosmo
140 lines
5.4 KiB
C++
140 lines
5.4 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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/// \file runAndEvent/RE02/src/RE02NestedPhantomParameterisation.cc
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/// \brief Implementation of the RE02NestedPhantomParameterisation class
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//
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "RE02NestedPhantomParameterisation.hh"
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#include "G4VPhysicalVolume.hh"
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#include "G4VTouchable.hh"
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#include "G4ThreeVector.hh"
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#include "G4Box.hh"
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#include "G4LogicalVolume.hh"
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#include "G4Material.hh"
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//=======================================================================
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// (RE02NestedPhantomParameterisation)
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//
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// (Description)
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// Class for nested parameterisation.
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// This parameterisation handles material and transfomation of voxles.
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//
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// T.Aso Created. Nov.2007.
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//
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////////////////////////////////////////////////////////////////////
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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RE02NestedPhantomParameterisation
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::RE02NestedPhantomParameterisation(const G4ThreeVector& voxelSize,
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G4int nz,
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std::vector<G4Material*>& mat):
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G4VNestedParameterisation(),
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fdX(voxelSize.x()),fdY(voxelSize.y()),fdZ(voxelSize.z()),
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fNz(nz),fMat(mat)
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{
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// Position of voxels.
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// x and y positions are already defined in DetectorConstruction
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// by using replicated volume. Here only we need to define is z positions
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// of voxles.
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fpZ.clear();
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G4double zp;
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for ( G4int iz = 0; iz < fNz; iz++){
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zp = (-fNz+1+2*iz)*fdZ;
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fpZ.push_back(zp);
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}
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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RE02NestedPhantomParameterisation::~RE02NestedPhantomParameterisation(){
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fpZ.clear();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//
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// Material assignment to geometry.
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//
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G4Material* RE02NestedPhantomParameterisation
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::ComputeMaterial(G4VPhysicalVolume* /*currentVol*/, const G4int copyNo,
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const G4VTouchable* parentTouch)
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{
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if(parentTouch==0) return fMat[0]; // protection for initialization and
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// vis at idle state
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// Copy number of voxels.
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// Copy number of X and Y are obtained from replication number.
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// Copy nymber of Z is the copy number of current voxel.
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G4int ix = parentTouch->GetReplicaNumber(0);
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G4int iy = parentTouch->GetReplicaNumber(1);
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G4int iz = copyNo;
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// For demonstration purpose,a couple of materials are chosen alternately.
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G4Material* mat=0;
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if ( ix%2 == 0 && iy%2 == 0 && iz%2 == 0 ) mat = fMat[0];
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else mat = fMat[1];
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return mat;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//
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// Number of Materials
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// Material scanner is required for preparing physics tables and so on before
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// stating simulation, so that G4 has to know number of materials.
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G4int RE02NestedPhantomParameterisation::GetNumberOfMaterials() const{
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return fMat.size();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//
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// GetMaterial
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// This is needed for material scanner and realizing geometry.
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//
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G4Material* RE02NestedPhantomParameterisation::GetMaterial(G4int i) const{
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return fMat[i];
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//
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// Transformation of voxels.
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//
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void RE02NestedPhantomParameterisation
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::ComputeTransformation(const G4int copyNo, G4VPhysicalVolume* physVol) const{
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G4ThreeVector position(0.,0.,fpZ[copyNo]);
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physVol->SetTranslation(position);
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//
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// Dimensions are always same in this RE02 example.
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//
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void RE02NestedPhantomParameterisation
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::ComputeDimensions(G4Box& box, const G4int, const G4VPhysicalVolume* ) const{
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box.SetXHalfLength(fdX);
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box.SetYHalfLength(fdY);
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box.SetZHalfLength(fdZ);
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}
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