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 | // $Id: Tst1DetectorConstruction.cc,v 1.2 2007/08/30 05:13:34 asaim Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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29 | // |
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30 | // |
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31 | |
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32 | #include "Tst1DetectorConstruction.hh" |
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33 | |
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34 | #include "G4Material.hh" |
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35 | #include "G4Box.hh" |
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36 | #include "G4LogicalVolume.hh" |
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37 | #include "G4PVPlacement.hh" |
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38 | |
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39 | #include "G4VisAttributes.hh" |
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40 | #include "G4Colour.hh" |
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41 | |
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42 | #include "G4SDManager.hh" |
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43 | #include "G4MultiFunctionalDetector.hh" |
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44 | #include "G4VPrimitiveScorer.hh" |
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45 | #include "G4PSEnergyDeposit.hh" |
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46 | #include "G4PSTrackLength.hh" |
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47 | #include "G4PSNofStep.hh" |
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48 | #include "G4SDParticleFilter.hh" |
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49 | |
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50 | #include "G4ios.hh" |
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51 | |
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52 | Tst1DetectorConstruction::Tst1DetectorConstruction() |
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53 | :constructed(false) |
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54 | {;} |
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55 | |
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56 | Tst1DetectorConstruction::~Tst1DetectorConstruction() |
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57 | {;} |
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58 | |
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59 | G4VPhysicalVolume* Tst1DetectorConstruction::Construct() |
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60 | { |
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61 | if(!constructed) |
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62 | { |
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63 | constructed = true; |
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64 | DefineMaterials(); |
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65 | SetupGeometry(); |
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66 | SetupDetectors(); |
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67 | } |
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68 | return worldPhys; |
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69 | } |
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70 | |
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71 | void Tst1DetectorConstruction::DefineMaterials() |
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72 | { |
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73 | G4String name, symbol; //a=mass of a mole; |
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74 | G4double a, z, density; //z=mean number of protons; |
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75 | |
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76 | G4int ncomponents, natoms; |
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77 | G4double fractionmass; |
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78 | |
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79 | // |
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80 | // define Elements |
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81 | // |
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82 | |
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83 | a = 1.01*g/mole; |
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84 | G4Element* H = new G4Element(name="Hydrogen",symbol="H" , z= 1., a); |
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85 | |
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86 | a = 14.01*g/mole; |
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87 | G4Element* N = new G4Element(name="Nitrogen",symbol="N" , z= 7., a); |
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88 | |
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89 | a = 16.00*g/mole; |
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90 | G4Element* O = new G4Element(name="Oxygen" ,symbol="O" , z= 8., a); |
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91 | |
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92 | // |
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93 | // define a material from elements. case 1: chemical molecule |
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94 | // |
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95 | |
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96 | density = 1.000*g/cm3; |
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97 | water = new G4Material(name="Water", density, ncomponents=2); |
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98 | water->AddElement(H, natoms=2); |
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99 | water->AddElement(O, natoms=1); |
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100 | |
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101 | // |
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102 | // define a material from elements. case 2: mixture by fractional mass |
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103 | // |
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104 | |
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105 | density = 1.290*mg/cm3; |
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106 | air = new G4Material(name="Air" , density, ncomponents=2); |
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107 | air->AddElement(N, fractionmass=0.7); |
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108 | air->AddElement(O, fractionmass=0.3); |
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109 | } |
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110 | |
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111 | void Tst1DetectorConstruction::SetupGeometry() |
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112 | { |
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113 | // |
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114 | // World |
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115 | // |
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116 | G4VSolid* worldSolid = new G4Box("World",2.*m,2.*m,2.*m); |
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117 | G4LogicalVolume* worldLogical = new G4LogicalVolume(worldSolid,air,"World"); |
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118 | worldPhys = new G4PVPlacement(0,G4ThreeVector(),worldLogical,"World", |
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119 | 0,false,0); |
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120 | |
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121 | // |
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122 | // Phantom |
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123 | // |
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124 | G4VSolid* phantomSolid = new G4Box("Calor",1.*m,1.*m,1.*m); |
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125 | G4LogicalVolume* phantomLogical = new G4LogicalVolume(phantomSolid,water,"Phantom"); |
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126 | phantomPhys = new G4PVPlacement(0,G4ThreeVector(),phantomLogical,"Phantom", |
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127 | worldLogical,false,0); |
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128 | // |
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129 | // Visualization attributes |
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130 | // |
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131 | // worldLogical->SetVisAttributes(G4VisAttributes::Invisible); |
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132 | G4VisAttributes* simpleBoxVisAtt= new G4VisAttributes(G4Colour(1.0,1.0,1.0)); |
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133 | simpleBoxVisAtt->SetVisibility(true); |
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134 | phantomLogical->SetVisAttributes(simpleBoxVisAtt); |
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135 | } |
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136 | |
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137 | void Tst1DetectorConstruction::SetupDetectors() |
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138 | { |
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139 | G4SDManager::GetSDMpointer()->SetVerboseLevel(1); |
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140 | G4LogicalVolume* phantomLogical = phantomPhys->GetLogicalVolume(); |
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141 | |
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142 | G4String filterName, particleName; |
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143 | G4SDParticleFilter* gammaFilter = new G4SDParticleFilter(filterName="gammaFilter",particleName="gamma"); |
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144 | G4SDParticleFilter* electronFilter = new G4SDParticleFilter(filterName="electronFilter",particleName="e-"); |
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145 | G4SDParticleFilter* positronFilter = new G4SDParticleFilter(filterName="positronFilter",particleName="e+"); |
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146 | |
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147 | G4MultiFunctionalDetector* det = new G4MultiFunctionalDetector("MassWorld"); |
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148 | |
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149 | G4VPrimitiveScorer* primitive; |
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150 | primitive = new G4PSEnergyDeposit("eDep"); |
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151 | det->RegisterPrimitive(primitive); |
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152 | primitive = new G4PSTrackLength("trackLengthGamma"); |
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153 | primitive->SetFilter(gammaFilter); |
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154 | det->RegisterPrimitive(primitive); |
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155 | primitive = new G4PSNofStep("nStepGamma"); |
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156 | primitive->SetFilter(gammaFilter); |
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157 | det->RegisterPrimitive(primitive); |
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158 | primitive = new G4PSTrackLength("trackLengthElec"); |
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159 | primitive->SetFilter(electronFilter); |
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160 | det->RegisterPrimitive(primitive); |
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161 | primitive = new G4PSNofStep("nStepElec"); |
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162 | primitive->SetFilter(electronFilter); |
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163 | det->RegisterPrimitive(primitive); |
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164 | primitive = new G4PSTrackLength("trackLengthPosi"); |
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165 | primitive->SetFilter(positronFilter); |
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166 | det->RegisterPrimitive(primitive); |
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167 | primitive = new G4PSNofStep("nStepPosi"); |
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168 | primitive->SetFilter(positronFilter); |
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169 | det->RegisterPrimitive(primitive); |
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170 | |
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171 | G4SDManager::GetSDMpointer()->AddNewDetector(det); |
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172 | phantomLogical->SetSensitiveDetector(det); |
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173 | G4SDManager::GetSDMpointer()->SetVerboseLevel(0); |
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174 | } |
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175 | |
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