1 | #!/usr/bin/env python |
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2 | # |
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3 | # $Id: runSim.py,v 1.12 2005/12/15 16:23:11 ahoward Exp $ |
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4 | # ------------------------------------------------------------------- |
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5 | # GEANT4 tag $Name: $ |
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6 | # ------------------------------------------------------------------- |
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7 | |
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8 | # importing python libraries |
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9 | import os |
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10 | |
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11 | # importing wrapper modules (see the source/*Wrapper directories) |
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12 | # created by swig (from the source/*Wrapper/*.i files). |
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13 | import CLHEP |
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14 | import G4Kernel |
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15 | import Tiara |
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16 | |
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17 | # importing python modules specific to this example |
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18 | # (see source/py_modules) |
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19 | import tiaraApplication |
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20 | import tiaraGenerators |
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21 | import tiaraDetectors |
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22 | import tiaraSpecifications |
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23 | import myUtils |
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24 | import variableGeometry |
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25 | import slabGeometry |
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26 | import runSequence |
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27 | |
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28 | ########################################################################## |
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29 | # random number initialization |
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30 | ########################################################################## |
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31 | Tiara.setRandomSeed(891011); |
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32 | #Tiara.setRandomStatus("dTest/tiara-2003_5_27_20_5_39_pcgeant2/randomNumberFile_run00003"); |
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33 | |
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34 | |
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35 | |
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36 | |
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37 | |
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38 | ########################################################################## |
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39 | # experiment and simulation specific data |
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40 | ########################################################################## |
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41 | # create a list of particles and give a lower energy cut |
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42 | particleCut = {"neutron" : 3 * CLHEP.MeV, |
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43 | "gamma" : 1 * CLHEP.MeV, |
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44 | "proton" : 1 * CLHEP.MeV, |
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45 | "deuteron": 1 * CLHEP.MeV, |
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46 | "triton" : 1 * CLHEP.MeV, |
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47 | "alpha" : 1 * CLHEP.MeV} |
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48 | |
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49 | # specify if the source neutrons shoul be form the 43 or 68 MeV protons |
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50 | beamEnergy = 68 * CLHEP.MeV |
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51 | # specify the shieldwidth [25, 50, 100, 150, (200 for 68 MeV case only)] |
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52 | shieldWidth = 100 * CLHEP.cm |
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53 | |
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54 | # set the total running time and the time for one run |
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55 | # followed by a printout |
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56 | # if the total running time, giving 0 will start a visualization |
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57 | # and timeForOneRun has no meaning |
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58 | totalTime = 5 * myUtils.min |
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59 | timeForOneRun = 2 * myUtils.min |
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60 | # if running the visualization mode by setting totalTime = 0, |
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61 | # a Geant4 session will be started. Start the visualization |
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62 | # by e.g.: |
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63 | # Idle> control/execute vis.mac |
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64 | # Idle> /run/beamOn 10 |
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65 | |
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66 | |
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67 | # available physics lists: LHEP_LEAD, LHEP_PRECO_HP |
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68 | # LHEP_BIC LHEP_BIC_HP LHEP_PRECO LHEP |
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69 | #3physList = Tiara.LHEP() |
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70 | ##physList = Tiara.LHEP_PRECO() |
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71 | ##physList = Tiara.LHEP_PRECO_HP() |
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72 | physList = Tiara.LHEP_LEAD() |
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73 | |
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74 | |
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75 | # specify the detectors |
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76 | scoreDetectorCreator = tiaraDetectors.ThreeZylindricDetectors() |
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77 | #scoreDetectorCreator = tiaraDetectors.DetectorSlab() |
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78 | |
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79 | |
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80 | comment = "" |
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81 | |
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82 | |
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83 | |
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84 | |
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85 | ########################################################################## |
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86 | # Create a Specification object of the configuaration data |
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87 | ########################################################################## |
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88 | |
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89 | # this should be fine for most settings |
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90 | experiment = tiaraSpecifications.Experiment(beamEnergy, |
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91 | particleCut["neutron"], |
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92 | particleCut, |
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93 | shieldWidth, |
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94 | "concrete") |
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95 | |
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96 | tiaraSpecs = tiaraSpecifications.Specifications(Tiara.TiaraDimensions(), |
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97 | experiment, |
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98 | Tiara.TiaraMaterials()) |
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99 | |
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100 | |
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101 | |
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102 | |
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103 | ########################################################################## |
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104 | # definition of the importance geometry importance values and a scorer |
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105 | ########################################################################## |
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106 | # create a parallel geometry. |
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107 | impGeo = variableGeometry.VariableImpSlabGeometry(tiaraSpecs) |
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108 | |
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109 | |
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110 | # introduce "importance cells" into the shielding region |
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111 | # In this case the width of all the shields in the shielding region |
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112 | # are equal and the importance staring from one doubles |
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113 | # from cell to cell in the beam direction. |
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114 | impGeo.addCellImportance(width=20.0 * CLHEP.cm, faktor=1) |
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115 | for i in range(4): |
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116 | # to run unbiased set: faktor=1 in the next line |
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117 | impGeo.addCellImportance(width=20.0 * CLHEP.cm, faktor=2) |
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118 | |
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119 | impGeo.construct() |
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120 | |
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121 | # Make sure the widths given in the above way add up to the |
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122 | # shield widths e.g. 25, 50, ... cm. |
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123 | # The importance geometries take care to give the importance value 1 |
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124 | # to the volume before the shield and to assign the same importance |
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125 | # as the last cell in the shield region to the volume behind the shield. |
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126 | |
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127 | # an alternative |
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128 | #impGeo = slabGeometry.SlabedImportanceGeometry(tiaraSpecs, |
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129 | # 10.0 * CLHEP.cm, |
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130 | # 1.5) |
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131 | |
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132 | |
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133 | impScorer = G4Kernel.G4Scorer() |
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134 | |
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135 | |
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136 | |
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137 | ########################################################################## |
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138 | # Creation of a TiaraApplet to define the run mode, physics list, |
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139 | # detector type and the primary generator |
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140 | ########################################################################## |
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141 | |
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142 | # this and the remaining part should be fine for most settings |
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143 | tApp = tiaraApplication.TiaraApplet(tiaraSpecs, |
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144 | Tiara.TiaraSim_GetTiaraSim()) |
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145 | |
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146 | if totalTime == 0: |
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147 | tApp.visMode() |
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148 | else: |
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149 | tApp.timedMode(timeForOneRun) |
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150 | |
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151 | |
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152 | tApp.specifyPhysicsList(physList, particleCut) |
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153 | |
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154 | # detectors |
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155 | tApp.setScoreDetectorCreator(scoreDetectorCreator) |
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156 | tApp.buildGeometry() |
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157 | tiara_dir = os.environ["TIARA_BASE"] |
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158 | |
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159 | tApp.setPhysics() |
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160 | |
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161 | primGenBuilder = tiaraGenerators.\ |
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162 | TiaraDPSEnergyGenerator(tiaraSpecs, |
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163 | tiara_dir + |
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164 | "/data/expDataConverted/dpsSource.xml") |
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165 | #primGenBuilder = tiaraGenerators.TiaraPrimaryGenerator(tiaraSpecs) |
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166 | #primGenBuilder = tiaraGenerators.FixedEnergyPrimaryGenerator(tiaraSpecs) |
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167 | |
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168 | tApp.setPrimaryGenerator(primGenBuilder.primGen) |
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169 | |
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170 | tApp.noComponents = 0 |
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171 | tApp.config() |
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172 | |
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173 | ## The following lines should be probably moved here after release Geant4-7.0 |
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174 | ##physList = Tiara.LHEP() |
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175 | ##physList = Tiara.LHEP_PRECO() |
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176 | ##physList = Tiara.LHEP_PRECO_HP() |
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177 | ##physList = Tiara.LHEP_LEAD() |
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178 | ##tApp.specifyPhysicsList(physList, particleCut) |
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179 | ##tApp.setPrimaryGenerator(primGenBuilder.primGen) |
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180 | |
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181 | |
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182 | |
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183 | ########################################################################## |
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184 | # creating of the sampler |
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185 | ########################################################################## |
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186 | parallelSampler = myUtils.createParallelSampler(impGeo, |
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187 | impScorer) |
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188 | |
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189 | |
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190 | |
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191 | ########################################################################## |
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192 | # create a run config object, a run sequence and run the simulation |
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193 | ########################################################################## |
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194 | if totalTime > 0: |
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195 | rc = runSequence.RunConfig() |
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196 | |
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197 | rc.basePath = "simData" |
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198 | rc.tApp = tApp |
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199 | rc.tiaraSpecs = tiaraSpecs |
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200 | rc.impGeo = impGeo |
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201 | rc.impScorer = impScorer |
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202 | rc.totalTime = totalTime |
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203 | rc.comment = comment |
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204 | |
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205 | rs = runSequence.RunSequence(rc) |
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206 | rs.runNevents(100) |
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207 | rs.runLoop() |
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208 | else: |
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209 | tApp.tiaraSim.startSession() |
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210 | |
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211 | |
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212 | ########################################################################## |
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213 | ########################################################################## |
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