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2 | // ******************************************************************** |
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24 | // ******************************************************************** |
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25 | // |
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26 | // $Id: DicomNestedPhantomParameterisation.cc,v 1.5 2009/01/27 10:44:58 gcosmo Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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28 | // |
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29 | // -------------------------------------------------------------------- |
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30 | #include "DicomNestedPhantomParameterisation.hh" |
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31 | |
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32 | #include "G4VPhysicalVolume.hh" |
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33 | #include "G4VTouchable.hh" |
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34 | #include "G4ThreeVector.hh" |
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35 | #include "G4Box.hh" |
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36 | #include "G4LogicalVolume.hh" |
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37 | #include "G4Material.hh" |
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38 | |
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39 | DicomNestedPhantomParameterisation:: |
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40 | DicomNestedPhantomParameterisation(const G4ThreeVector& voxelSize, |
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41 | std::vector<G4Material*>& mat): |
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42 | G4VNestedParameterisation(), fdX(voxelSize.x()), |
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43 | fdY(voxelSize.y()), fdZ(voxelSize.z()), fMaterials(mat) |
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44 | { |
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45 | // Position of voxels. |
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46 | // x and y positions are already defined in DetectorConstruction by using |
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47 | // replicated volume. Here only we need to define is z positions of voxels. |
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48 | } |
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49 | |
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50 | DicomNestedPhantomParameterisation::~DicomNestedPhantomParameterisation() |
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51 | { |
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52 | } |
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53 | |
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54 | void DicomNestedPhantomParameterisation:: |
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55 | SetNoVoxel( size_t nx, size_t ny, size_t nz ) |
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56 | { |
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57 | fnX = nx; |
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58 | fnY = ny; |
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59 | fnZ = nz; |
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60 | } |
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61 | |
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62 | // |
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63 | // Material assignment to geometry. |
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64 | // |
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65 | G4Material* DicomNestedPhantomParameterisation:: |
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66 | ComputeMaterial(G4VPhysicalVolume*, const G4int copyNoZ, |
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67 | const G4VTouchable* parentTouch) |
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68 | { |
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69 | // protection for initialization and vis at idle state |
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70 | // |
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71 | if(parentTouch==0) return fMaterials[0]; |
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72 | |
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73 | // Copy number of voxels. |
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74 | // Copy number of X and Y are obtained from replication number. |
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75 | // Copy nymber of Z is the copy number of current voxel. |
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76 | G4int ix = parentTouch->GetReplicaNumber(0); |
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77 | G4int iy = parentTouch->GetReplicaNumber(1); |
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78 | G4int iz = copyNoZ; |
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79 | |
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80 | G4int copyNo = ix + fnX*iy + fnX*fnY*iz; |
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81 | |
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82 | size_t matIndex = GetMaterialIndex(copyNo); |
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83 | |
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84 | return fMaterials[ matIndex ]; |
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85 | } |
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86 | |
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87 | //------------------------------------------------------------------ |
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88 | size_t DicomNestedPhantomParameterisation:: |
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89 | GetMaterialIndex( size_t copyNo ) const |
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90 | { |
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91 | return *(fMaterialIndices+copyNo); |
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92 | } |
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93 | |
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94 | // |
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95 | // Number of Materials |
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96 | // Material scanner is required for preparing physics tables and so on before |
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97 | // starting simulation, so that G4 has to know number of materials. |
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98 | // |
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99 | G4int DicomNestedPhantomParameterisation::GetNumberOfMaterials() const |
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100 | { |
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101 | return fMaterials.size(); |
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102 | } |
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103 | |
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104 | // |
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105 | // GetMaterial |
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106 | // This is needed for material scanner and realizing geometry. |
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107 | // |
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108 | G4Material* DicomNestedPhantomParameterisation::GetMaterial(G4int i) const |
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109 | { |
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110 | return fMaterials[i]; |
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111 | } |
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112 | |
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113 | // |
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114 | // Transformation of voxels. |
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115 | // |
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116 | void DicomNestedPhantomParameterisation:: |
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117 | ComputeTransformation(const G4int copyNo, G4VPhysicalVolume* physVol) const |
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118 | { |
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119 | G4ThreeVector position(0.,0.,(2*copyNo+1)*fdZ - fdZ*fnZ); |
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120 | physVol->SetTranslation(position); |
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121 | } |
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122 | |
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123 | // |
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124 | // Dimensions are always same in this RE02 example. |
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125 | // |
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126 | void DicomNestedPhantomParameterisation:: |
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127 | ComputeDimensions( G4Box& box, const G4int, const G4VPhysicalVolume* ) const |
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128 | { |
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129 | box.SetXHalfLength(fdX); |
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130 | box.SetYHalfLength(fdY); |
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131 | box.SetZHalfLength(fdZ); |
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132 | } |
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