1 | #!/usr/bin/python |
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2 | # ================================================================== |
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3 | # python script for Geant4Py test |
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4 | # |
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5 | # gtest01 |
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6 | # - check basic control flow |
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7 | # ================================================================== |
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8 | from Geant4 import * |
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9 | import demo_wp |
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10 | import g4py.MedicalBeam |
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11 | import ROOT |
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12 | |
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13 | # ================================================================== |
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14 | # ROOT PART # |
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15 | # ================================================================== |
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16 | |
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17 | # ------------------------------------------------------------------ |
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18 | def init_root(): |
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19 | # ------------------------------------------------------------------ |
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20 | ROOT.gROOT.Reset() |
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21 | |
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22 | # plot style |
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23 | ROOT.gStyle.SetTextFont(42) |
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24 | ROOT.gStyle.SetTitleFont(42, "X") |
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25 | ROOT.gStyle.SetLabelFont(42, "X") |
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26 | ROOT.gStyle.SetTitleFont(42, "Y") |
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27 | ROOT.gStyle.SetLabelFont(42, "Y") |
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28 | |
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29 | global gCanvas |
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30 | gCanvas= ROOT.TCanvas("water_phantom_plots", |
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31 | "Water Phantom Demo Plots", |
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32 | 620, 30, 800, 800) |
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33 | |
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34 | # ------------------------------------------------------------------ |
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35 | def hini(): |
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36 | # ------------------------------------------------------------------ |
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37 | global gPad1 |
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38 | gPad1= ROOT.TPad("2D", "2D", 0.02, 0.5, 0.98, 1.) |
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39 | gPad1.Draw() |
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40 | gPad1.cd() |
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41 | |
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42 | ROOT.gStyle.SetPalette(1); |
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43 | |
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44 | global hist_dose2d |
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45 | hist_dose2d= ROOT.TH2D("2D Dose", "Dose Distribution", |
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46 | 200, 0., 400., |
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47 | 81, -81., 81.) |
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48 | hist_dose2d.SetXTitle("Z (mm)") |
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49 | hist_dose2d.SetYTitle("X (mm)") |
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50 | hist_dose2d.SetStats(0) |
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51 | hist_dose2d.Draw("colz") |
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52 | |
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53 | gCanvas.cd() |
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54 | global gPad2 |
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55 | gPad2= ROOT.TPad("Z", "Z", 0.02, 0., 0.98, 0.5) |
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56 | gPad2.Draw() |
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57 | gPad2.cd() |
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58 | |
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59 | global hist_dosez |
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60 | hist_dosez= ROOT.TH1D("Z Dose", "Depth Dose", 200, 0., 400.) |
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61 | hist_dosez.SetXTitle("(mm)") |
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62 | hist_dosez.SetYTitle("Accumulated Dose (MeV)") |
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63 | hist_dosez.Draw() |
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64 | |
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65 | # ------------------------------------------------------------------ |
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66 | def hshow(): |
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67 | # ------------------------------------------------------------------ |
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68 | gPad1.cd() |
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69 | hist_dose2d.Draw("colz") |
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70 | gPad2.cd() |
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71 | hist_dosez.Draw() |
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72 | |
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73 | |
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74 | # ================================================================== |
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75 | # Geant4 PART # |
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76 | # ================================================================== |
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77 | |
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78 | # ================================================================== |
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79 | # user actions in python |
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80 | # ================================================================== |
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81 | class MyPrimaryGeneratorAction(G4VUserPrimaryGeneratorAction): |
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82 | "My Primary Generator Action" |
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83 | |
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84 | def __init__(self): |
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85 | G4VUserPrimaryGeneratorAction.__init__(self) |
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86 | self.particleGun= G4ParticleGun(1) |
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87 | |
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88 | def GeneratePrimaries(self, event): |
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89 | self.particleGun.GeneratePrimaryVertex(event) |
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90 | |
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91 | # ------------------------------------------------------------------ |
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92 | class MyRunAction(G4UserRunAction): |
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93 | "My Run Action" |
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94 | |
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95 | def EndOfRunAction(self, run): |
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96 | print "*** End of Run" |
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97 | print "- Run sammary : (id= %d, #events= %d)" \ |
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98 | % (run.GetRunID(), run.GetNumberOfEventToBeProcessed()) |
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99 | |
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100 | # ------------------------------------------------------------------ |
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101 | class MyEventAction(G4UserEventAction): |
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102 | "My Event Action" |
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103 | |
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104 | def EndOfEventAction(self, event): |
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105 | gPad1.Modified() |
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106 | gPad1.Update() |
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107 | gPad2.Modified() |
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108 | gPad2.Update() |
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109 | ROOT.gSystem.ProcessEvents() |
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110 | |
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111 | # ------------------------------------------------------------------ |
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112 | class MySteppingAction(G4UserSteppingAction): |
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113 | "My Stepping Action" |
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114 | |
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115 | def UserSteppingAction(self, step): |
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116 | pass |
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117 | |
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118 | # ------------------------------------------------------------------ |
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119 | class ScoreSD(G4VSensitiveDetector): |
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120 | "SD for score voxels" |
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121 | |
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122 | def __init__(self): |
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123 | G4VSensitiveDetector.__init__(self, "ScoreVoxel") |
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124 | |
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125 | def ProcessHits(self, step, rohist): |
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126 | preStepPoint= step.GetPreStepPoint() |
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127 | if(preStepPoint.GetCharge() == 0): |
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128 | return |
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129 | |
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130 | track= step.GetTrack() |
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131 | touchable= track.GetTouchable() |
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132 | voxel_id= touchable.GetReplicaNumber() |
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133 | dedx= step.GetTotalEnergyDeposit() |
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134 | xz= posXZ(voxel_id) |
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135 | hist_dose2d.Fill(xz[1], xz[0], dedx/MeV) |
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136 | if( abs(xz[0]) <= 100 ): |
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137 | hist_dosez.Fill(xz[1], dedx/MeV) |
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138 | |
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139 | # ------------------------------------------------------------------ |
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140 | def posXZ(copyN): |
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141 | dd= 2.*mm |
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142 | nx= 81 |
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143 | |
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144 | iz= copyN/nx |
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145 | ix= copyN-iz*nx-nx/2 |
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146 | |
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147 | x0= ix*dd |
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148 | z0= (iz+0.5)*dd |
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149 | return (x0,z0) |
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150 | |
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151 | |
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152 | # ================================================================== |
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153 | # main |
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154 | # ================================================================== |
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155 | # init ROOT... |
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156 | init_root() |
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157 | hini() |
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158 | |
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159 | # configure application |
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160 | #app= demo_wp.MyApplication() |
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161 | #app.Configure() |
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162 | |
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163 | myMaterials= demo_wp.MyMaterials() |
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164 | myMaterials.Construct() |
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165 | |
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166 | myDC= demo_wp.MyDetectorConstruction() |
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167 | gRunManager.SetUserInitialization(myDC) |
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168 | |
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169 | myPL= demo_wp.MyPhysicsList() |
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170 | gRunManager.SetUserInitialization(myPL) |
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171 | |
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172 | # set user actions... |
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173 | myPGA= MyPrimaryGeneratorAction() |
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174 | gRunManager.SetUserAction(myPGA) |
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175 | |
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176 | myRA= MyRunAction() |
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177 | gRunManager.SetUserAction(myRA) |
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178 | |
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179 | myEA= MyEventAction() |
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180 | gRunManager.SetUserAction(myEA) |
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181 | |
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182 | #mySA= MySteppingAction() |
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183 | #gRunManager.SetUserAction(mySA) |
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184 | |
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185 | # set particle gun |
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186 | #pg= myPGA.particleGun |
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187 | #pg.SetParticleByName("proton") |
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188 | #pg.SetParticleEnergy(230.*MeV) |
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189 | #pg.SetParticleMomentumDirection(G4ThreeVector(0., 0., 1.)) |
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190 | #pg.SetParticlePosition(G4ThreeVector(0.,0.,-50.)*cm) |
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191 | |
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192 | # medical beam |
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193 | beam= g4py.MedicalBeam.Construct() |
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194 | beam.particle= "proton" |
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195 | beam.kineticE= 230.*MeV |
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196 | #beam.particle= "gamma" |
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197 | #beam.kineticE= 1.77*MeV |
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198 | beam.sourcePosition= G4ThreeVector(0.,0.,-100.*cm) |
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199 | beam.SSD= 100.*cm |
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200 | beam.fieldXY= [5.*cm, 5.*cm] |
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201 | |
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202 | # initialize |
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203 | gRunManager.Initialize() |
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204 | |
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205 | # set SD (A SD should be set after geometry construction) |
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206 | scoreSD= ScoreSD() |
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207 | myDC.SetSDtoScoreVoxel(scoreSD) |
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208 | |
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209 | # visualization |
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210 | gApplyUICommand("/control/execute vis.mac") |
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211 | |
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212 | # beamOn |
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213 | gRunManager.BeamOn(100) |
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214 | |
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215 | #ROOT.gSystem.Run() |
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216 | |
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