[807] | 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 "DicomNestedPhantomParameterisation.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 | DicomNestedPhantomParameterisation::DicomNestedPhantomParameterisation( |
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| 37 | const G4ThreeVector& voxelSize, |
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| 38 | std::vector<G4Material*>& mat): |
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| 39 | G4VNestedParameterisation(),fdX(voxelSize.x()),fdY(voxelSize.y()),fdZ(voxelSize.z()),fMaterials(mat) |
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| 40 | { |
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| 41 | // Position of voxels. |
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| 42 | // x and y positions are already defined in DetectorConstruction |
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| 43 | // by using replicated volume. Here only we need to define is z positions of voxes. |
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| 44 | } |
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| 45 | |
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| 46 | DicomNestedPhantomParameterisation::~DicomNestedPhantomParameterisation() |
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| 47 | { |
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| 48 | } |
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| 49 | |
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| 50 | void DicomNestedPhantomParameterisation::SetNoVoxel( size_t nx, size_t ny, size_t nz ) |
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| 51 | { |
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| 52 | fnX = nx; |
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| 53 | fnY = ny; |
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| 54 | fnZ = nz; |
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| 55 | } |
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| 56 | |
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| 57 | // |
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| 58 | // Material assignment to geometry. |
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| 59 | // |
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| 60 | G4Material* DicomNestedPhantomParameterisation::ComputeMaterial(G4VPhysicalVolume* , |
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| 61 | const G4int copyNoZ, |
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| 62 | const G4VTouchable* parentTouch) |
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| 63 | { |
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| 64 | if(parentTouch==0) return fMaterials[0]; // protection for initialization and vis at idle state |
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| 65 | // Copy number of voxels. |
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| 66 | // Copy number of X and Y are obtained from replication number. |
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| 67 | // Copy nymber of Z is the copy number of current voxel. |
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| 68 | G4int ix = parentTouch->GetReplicaNumber(0); |
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| 69 | G4int iy = parentTouch->GetReplicaNumber(1); |
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| 70 | G4int iz = copyNoZ; |
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| 71 | |
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| 72 | G4int copyNo = ix + fnZ*iy + fnX*fnY*iz; |
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| 73 | |
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| 74 | size_t matIndex = GetMaterialIndex(copyNo); |
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| 75 | |
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| 76 | return fMaterials[ matIndex ]; |
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| 77 | |
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| 78 | } |
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| 79 | |
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| 80 | //------------------------------------------------------------------ |
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| 81 | size_t DicomNestedPhantomParameterisation:: |
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| 82 | GetMaterialIndex( size_t copyNo ) const |
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| 83 | { |
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| 84 | return *(fMaterialIndices+copyNo); |
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| 85 | } |
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| 86 | |
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| 87 | // |
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| 88 | // Number of Materials |
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| 89 | // Material scanner is required for preparing physics tables and so on before |
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| 90 | // stating simulation, so that G4 has to know number of materials. |
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| 91 | G4int DicomNestedPhantomParameterisation::GetNumberOfMaterials() const{ |
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| 92 | return fMaterials.size(); |
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| 93 | } |
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| 94 | |
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| 95 | // |
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| 96 | // GetMaterial |
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| 97 | // This is needed for material scanner and realizing geometry. |
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| 98 | // |
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| 99 | G4Material* DicomNestedPhantomParameterisation::GetMaterial(G4int i) const{ |
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| 100 | return fMaterials[i]; |
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| 101 | } |
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| 102 | |
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| 103 | // |
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| 104 | // Transformation of voxels. |
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| 105 | // |
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| 106 | void DicomNestedPhantomParameterisation::ComputeTransformation(const G4int copyNo, |
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| 107 | G4VPhysicalVolume* physVol)const{ |
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| 108 | G4ThreeVector position(0.,0.,(2*copyNo+1)*fdZ - fdZ*fnZ); |
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| 109 | |
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| 110 | physVol->SetTranslation(position); |
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| 111 | } |
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| 112 | |
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| 113 | // |
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| 114 | // Dimensions are always same in this RE02 example. |
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| 115 | // |
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| 116 | void DicomNestedPhantomParameterisation::ComputeDimensions(G4Box& box, |
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| 117 | const G4int , |
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| 118 | const G4VPhysicalVolume* ) const{ |
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| 119 | box.SetXHalfLength(fdX); |
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| 120 | box.SetYHalfLength(fdY); |
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| 121 | box.SetZHalfLength(fdZ); |
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| 122 | } |
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