| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | ///////////////////////////////////////////////////////////////////////////////
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| 27 | #include "RE02NestedPhantomParameterisation.hh"
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| 28 |
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| 29 | #include "G4VPhysicalVolume.hh"
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| 30 | #include "G4VTouchable.hh"
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| 31 | #include "G4ThreeVector.hh"
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| 32 | #include "G4Box.hh"
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| 33 | #include "G4LogicalVolume.hh"
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| 34 | #include "G4Material.hh"
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| 35 |
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| 36 | //=======================================================================
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| 37 | // (RE02NestedPhantomParameterisation)
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| 38 | //
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| 39 | // (Description)
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| 40 | // Class for nested parameterisation.
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| 41 | // This parameterisation handles material and transfomation of voxles.
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| 42 | //
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| 43 | // T.Aso Created. Nov.2007.
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| 44 | //
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| 45 | ////////////////////////////////////////////////////////////////////
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| 46 | RE02NestedPhantomParameterisation::RE02NestedPhantomParameterisation(
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| 47 | const G4ThreeVector& voxelSize,
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| 48 | G4int nz,
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| 49 | std::vector<G4Material*>& mat):
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| 50 | G4VNestedParameterisation(),fdX(voxelSize.x()),fdY(voxelSize.y()),fdZ(voxelSize.z()),
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| 51 | fNz(nz),fmat(mat)
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| 52 | {
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| 53 | // Position of voxels.
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| 54 | // x and y positions are already defined in DetectorConstruction
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| 55 | // by using replicated volume. Here only we need to define is z positions of voxles.
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| 56 | fpZ.clear();
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| 57 | G4double zp;
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| 58 | for ( G4int iz = 0; iz < fNz; iz++){
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| 59 | zp = (-fNz+1+2*iz)*fdZ;
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| 60 | fpZ.push_back(zp);
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| 61 | }
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| 62 |
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| 63 | }
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| 64 |
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| 65 | RE02NestedPhantomParameterisation::~RE02NestedPhantomParameterisation(){
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| 66 | fpZ.clear();
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| 67 | }
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| 68 |
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| 69 | //
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| 70 | // Material assignment to geometry.
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| 71 | //
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| 72 | G4Material* RE02NestedPhantomParameterisation::ComputeMaterial(G4VPhysicalVolume* currentVol,
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| 73 | const G4int copyNo,
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| 74 | const G4VTouchable* parentTouch)
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| 75 | {
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| 76 | if(parentTouch==0) return fmat[0]; // protection for initialization and vis at idle state
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| 77 | // Copy number of voxels.
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| 78 | // Copy number of X and Y are obtained from replication number.
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| 79 | // Copy nymber of Z is the copy number of current voxel.
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| 80 | G4int ix = parentTouch->GetReplicaNumber(0);
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| 81 | G4int iy = parentTouch->GetReplicaNumber(1);
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| 82 | G4int iz = copyNo;
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| 83 | // For demonstration purpose,a couple of materials are chosen alternately.
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| 84 | G4Material* mat=0;
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| 85 | if ( ix%2 == 0 && iy%2 == 0 && iz%2 == 0 ) mat = fmat[0];
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| 86 | else mat = fmat[1];
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| 87 |
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| 88 | return mat;
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| 89 | }
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| 90 |
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| 91 | //
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| 92 | // Number of Materials
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| 93 | // Material scanner is required for preparing physics tables and so on before
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| 94 | // stating simulation, so that G4 has to know number of materials.
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| 95 | G4int RE02NestedPhantomParameterisation::GetNumberOfMaterials() const{
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| 96 | return fmat.size();
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| 97 | }
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| 98 |
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| 99 | //
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| 100 | // GetMaterial
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| 101 | // This is needed for material scanner and realizing geometry.
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| 102 | //
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| 103 | G4Material* RE02NestedPhantomParameterisation::GetMaterial(G4int i) const{
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| 104 | return fmat[i];
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| 105 | }
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| 106 |
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| 107 | //
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| 108 | // Transformation of voxels.
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| 109 | //
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| 110 | void RE02NestedPhantomParameterisation::ComputeTransformation(const G4int copyNo,
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| 111 | G4VPhysicalVolume* physVol)const{
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| 112 | G4ThreeVector position(0.,0.,fpZ[copyNo]);
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| 113 | physVol->SetTranslation(position);
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| 114 | }
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| 115 |
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| 116 | //
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| 117 | // Dimensions are always same in this RE02 example.
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| 118 | //
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| 119 | void RE02NestedPhantomParameterisation::ComputeDimensions(G4Box& box,
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| 120 | const G4int ,
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| 121 | const G4VPhysicalVolume* ) const{
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| 122 | box.SetXHalfLength(fdX);
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| 123 | box.SetYHalfLength(fdY);
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| 124 | box.SetZHalfLength(fdZ);
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| 125 | }
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