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2 | // ******************************************************************** |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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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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