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 | # gtest05 |
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6 | # - test for CSG geometry construction in Python |
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7 | # ================================================================== |
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8 | from Geant4 import * |
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9 | import g4py.ExN01pl, g4py.ParticleGun |
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10 | import os, math |
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11 | |
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12 | # ================================================================== |
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13 | # user actions in python |
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14 | # ================================================================== |
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15 | class MyDetectorConstruction(G4VUserDetectorConstruction): |
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16 | "My Detector Construction" |
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17 | |
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18 | def __init__(self): |
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19 | G4VUserDetectorConstruction.__init__(self) |
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20 | self.air= gNistManager.FindOrBuildMaterial("G4_AIR") |
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21 | self.lv_object= None |
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22 | self.world= self.ConstructWorld() |
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23 | |
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24 | self.va_red= G4VisAttributes(G4Color(1.,0.,0.)) |
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25 | self.va_cyan= G4VisAttributes(G4Color(0.,1.,1.)) |
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26 | self.va_green= G4VisAttributes(G4Color(0.,1.,0.)) |
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27 | self.va_blue= G4VisAttributes(G4Color(0.,0.,1.)) |
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28 | self.va_magenta= G4VisAttributes(G4Color(1.,0.,1.)) |
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29 | |
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30 | # ----------------------------------------------------------------- |
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31 | def ConstructWorld(self): |
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32 | # Python has automatic garbage collection system. |
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33 | # Geometry objects must be defined as GLOBAL not to be deleted. |
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34 | global sld_world, lv_world, pv_world, va_world |
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35 | |
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36 | sld_world= G4Box("world", 1.*m, 1.*m, 1.*m) |
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37 | lv_world= G4LogicalVolume(sld_world, self.air, "world") |
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38 | pv_world= G4PVPlacement(G4Transform3D(), lv_world, "world", |
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39 | None, False, 0) |
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40 | |
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41 | va_world= G4VisAttributes() |
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42 | va_world.SetVisibility(False) |
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43 | lv_world.SetVisAttributes(va_world) |
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44 | |
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45 | # solid object (dummy) |
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46 | global sld_sld, lv_sld, pv_sld |
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47 | sld_sld= G4Box("dummy", 10.*cm, 10.*cm, 10.*cm) |
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48 | self.lv_object= lv_sld= G4LogicalVolume(sld_sld, self.air, "dummy") |
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49 | pv_sld= G4PVPlacement(None, G4ThreeVector(), "dummy", lv_sld, |
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50 | pv_world, False, 0) |
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51 | |
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52 | return pv_world |
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53 | |
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54 | # ----------------------------------------------------------------- |
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55 | def ConstructBox(self): |
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56 | global sld_box |
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57 | sld_box= G4Box("box", 30.*cm, 40.*cm, 60.*cm) |
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58 | self.lv_object.SetSolid(sld_box) |
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59 | self.lv_object.SetVisAttributes(self.va_red) |
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60 | gRunManager.GeometryHasBeenModified() |
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61 | |
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62 | # ----------------------------------------------------------------- |
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63 | def ConstructTubs(self): |
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64 | global sld_tubs |
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65 | sld_tubs= G4Tubs("tubs", 10.*cm, 15.*cm, 20.*cm, 0., pi) |
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66 | self.lv_object.SetSolid(sld_tubs) |
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67 | self.lv_object.SetVisAttributes(self.va_cyan) |
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68 | gRunManager.GeometryHasBeenModified() |
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69 | |
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70 | # ----------------------------------------------------------------- |
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71 | def ConstructCons(self): |
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72 | global sld_cons |
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73 | sld_cons= G4Cons("cons", 5.*cm, 10.*cm, 20.*cm, 25.*cm, |
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74 | 40.*cm, 0., 4./3.*pi) |
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75 | self.lv_object.SetSolid(sld_cons) |
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76 | self.lv_object.SetVisAttributes(self.va_green) |
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77 | gRunManager.GeometryHasBeenModified() |
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78 | |
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79 | # ----------------------------------------------------------------- |
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80 | def ConstructPara(self): |
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81 | global sld_para |
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82 | sld_para= G4Para("para", 30.*cm, 40.*cm, 60.*cm, pi/4., pi/8., 0.) |
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83 | self.lv_object.SetSolid(sld_para) |
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84 | self.lv_object.SetVisAttributes(self.va_blue) |
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85 | gRunManager.GeometryHasBeenModified() |
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86 | |
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87 | # ----------------------------------------------------------------- |
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88 | def ConstructTrd(self): |
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89 | global sld_trd |
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90 | sld_trd= G4Trd("trd", 30.*cm, 10.*cm, 40.*cm, 15.*cm, 60.*cm) |
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91 | self.lv_object.SetSolid(sld_trd) |
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92 | self.lv_object.SetVisAttributes(self.va_blue) |
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93 | gRunManager.GeometryHasBeenModified() |
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94 | |
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95 | # ----------------------------------------------------------------- |
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96 | def ConstructTrap(self): |
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97 | global sld_trap |
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98 | sld_trap= G4Trap("trap", 60.*cm, 20.*degree, 5.*degree, |
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99 | 40.*cm, 30.*cm, 40.*cm, 10.*degree, |
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100 | 16.*cm, 10*cm, 14.*cm, 10.*deg) |
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101 | self.lv_object.SetSolid(sld_trap) |
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102 | self.lv_object.SetVisAttributes(self.va_green) |
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103 | gRunManager.GeometryHasBeenModified() |
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104 | |
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105 | # ----------------------------------------------------------------- |
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106 | def ConstructSphere(self): |
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107 | global sld_sphere |
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108 | sld_sphere= G4Sphere("sphere", 100.*cm, 120.*cm, 0., 180.*deg, |
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109 | 0., 180.*deg) |
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110 | self.lv_object.SetSolid(sld_sphere) |
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111 | self.lv_object.SetVisAttributes(self.va_cyan) |
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112 | gRunManager.GeometryHasBeenModified() |
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113 | |
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114 | # ----------------------------------------------------------------- |
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115 | def ConstructOrb(self): |
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116 | global sld_orb |
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117 | sld_orb= G4Orb("orb", 100.*cm) |
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118 | self.lv_object.SetSolid(sld_orb) |
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119 | self.lv_object.SetVisAttributes(self.va_red) |
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120 | gRunManager.GeometryHasBeenModified() |
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121 | |
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122 | # ----------------------------------------------------------------- |
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123 | def ConstructTorus(self): |
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124 | global sld_torus |
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125 | sld_torus= G4Torus("torus", 40.*cm, 60.*cm, 200.*cm, 0., 90.*deg) |
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126 | self.lv_object.SetSolid(sld_torus) |
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127 | self.lv_object.SetVisAttributes(self.va_magenta) |
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128 | gRunManager.GeometryHasBeenModified() |
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129 | |
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130 | # ----------------------------------------------------------------- |
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131 | def ConstructPolycone(self): |
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132 | zvec= G4doubleVector() |
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133 | rinvec= G4doubleVector() |
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134 | routvec= G4doubleVector() |
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135 | |
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136 | zvec[:]= [ 5.*cm, 7.*cm, 9.*cm, 11.*cm, 25.*cm, 27.*cm, 29.*cm, |
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137 | 31.*cm, 35.*cm ] |
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138 | rinvec[:]= [0.,0.,0.,0.,0.,0.,0.,0.,0.] |
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139 | routvec[:]= [ 0., 10.*cm, 10.*cm, 5.*cm, 5.*cm, 10.*cm, |
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140 | 10.*cm, 2.*cm, 2.*cm ] |
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141 | |
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142 | global sld_pcon |
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143 | sld_pcon= CreatePolycone("pcon", 0., twopi, 9, zvec, rinvec,routvec) |
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144 | self.lv_object.SetSolid(sld_pcon) |
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145 | self.lv_object.SetVisAttributes(self.va_cyan) |
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146 | gRunManager.GeometryHasBeenModified() |
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147 | |
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148 | # ----------------------------------------------------------------- |
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149 | def ConstructPolyhedra(self): |
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150 | zvec= G4doubleVector() |
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151 | rinvec= G4doubleVector() |
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152 | routvec= G4doubleVector() |
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153 | |
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154 | zvec[:]= [ 0., 5.*cm, 8.*cm, 13.*cm, 30.*cm, 32.*cm, 35.*cm ] |
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155 | rinvec[:]= [0.,0.,0.,0.,0.,0.,0. ] |
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156 | routvec[:]= [ 0., 15.*cm, 15.*cm, 4.*cm, 4.*cm, 10.*cm, 10.*cm ] |
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157 | |
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158 | global sld_pgon |
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159 | sld_pgon= CreatePolyhedra("pgon", 0., twopi, 5, 7, zvec, rinvec,routvec) |
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160 | self.lv_object.SetSolid(sld_pgon) |
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161 | self.lv_object.SetVisAttributes(self.va_green) |
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162 | gRunManager.GeometryHasBeenModified() |
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163 | |
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164 | # ----------------------------------------------------------------- |
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165 | def ConstructEllipticalTube(self): |
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166 | global sld_et |
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167 | sld_et= G4EllipticalTube("ellipticaltube", 5.*cm, 10.*cm, 20.*cm) |
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168 | self.lv_object.SetSolid(sld_et) |
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169 | self.lv_object.SetVisAttributes(self.va_cyan) |
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170 | gRunManager.GeometryHasBeenModified() |
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171 | |
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172 | # ----------------------------------------------------------------- |
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173 | def ConstructEllipsoid(self): |
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174 | global sld_es |
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175 | sld_es= G4Ellipsoid("ellipsoid", 10.*cm, 20.*cm, 50.*cm, |
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176 | -10.*cm, 40.*cm) |
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177 | self.lv_object.SetSolid(sld_es) |
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178 | self.lv_object.SetVisAttributes(self.va_red) |
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179 | gRunManager.GeometryHasBeenModified() |
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180 | |
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181 | # ----------------------------------------------------------------- |
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182 | def ConstructEllipticalCone(self): |
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183 | global sld_ec |
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184 | sld_ec= G4EllipticalCone("ellipticalcone", 30.*cm, 60.*cm, |
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185 | 50.*cm, 25.*cm) |
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186 | self.lv_object.SetSolid(sld_ec) |
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187 | self.lv_object.SetVisAttributes(self.va_magenta) |
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188 | gRunManager.GeometryHasBeenModified() |
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189 | |
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190 | # ----------------------------------------------------------------- |
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191 | def ConstructHype(self): |
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192 | global sld_hype |
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193 | sld_hype= G4Hype("hype", 20.*cm, 30.*cm, 0.7, 0.7, 50.*cm) |
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194 | self.lv_object.SetSolid(sld_hype) |
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195 | self.lv_object.SetVisAttributes(self.va_blue) |
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196 | gRunManager.GeometryHasBeenModified() |
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197 | |
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198 | # ----------------------------------------------------------------- |
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199 | def ConstructTet(self): |
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200 | global sld_tet |
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201 | p1= G4ThreeVector(0., 0., math.sqrt(3.)*cm) |
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202 | p2= G4ThreeVector(0., 2*math.sqrt(2./3.)*cm, -1./math.sqrt(3)*cm) |
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203 | p3= G4ThreeVector(-math.sqrt(2.)*cm, -math.sqrt(2./3.)*cm, |
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204 | -1./math.sqrt(3)*cm) |
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205 | p4= G4ThreeVector(math.sqrt(2)*cm, -math.sqrt(2./3.)*cm, |
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206 | -1./math.sqrt(3)*cm) |
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207 | |
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208 | sld_tet= G4Tet("tet", 20.*p1, 20.*p2, 20.*p3, 20.*p4) |
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209 | self.lv_object.SetSolid(sld_tet) |
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210 | self.lv_object.SetVisAttributes(self.va_green) |
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211 | gRunManager.GeometryHasBeenModified() |
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212 | |
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213 | # ----------------------------------------------------------------- |
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214 | def ConstructTwistedBox(self): |
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215 | global sld_twb |
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216 | sld_twb= G4TwistedBox("twistedbox", 30.*deg, 30.*cm, 40.*cm, 60.*cm) |
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217 | self.lv_object.SetSolid(sld_twb) |
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218 | self.lv_object.SetVisAttributes(self.va_cyan) |
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219 | gRunManager.GeometryHasBeenModified() |
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220 | |
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221 | # ----------------------------------------------------------------- |
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222 | def ConstructTwistedTrap(self): |
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223 | global sld_twtrp |
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224 | sld_twtrp= G4TwistedTrap("twistedtrap", 30.*deg, |
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225 | 60.*cm, 20.*deg, 5.*deg, |
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226 | 40.*cm, 30.*cm, 40.*cm, |
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227 | 16.*cm, 10.*cm, 14.*cm, 10.*deg) |
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228 | self.lv_object.SetSolid(sld_twtrp) |
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229 | self.lv_object.SetVisAttributes(self.va_blue) |
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230 | gRunManager.GeometryHasBeenModified() |
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231 | |
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232 | # ----------------------------------------------------------------- |
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233 | def ConstructTwistedTrd(self): |
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234 | global sld_twtrd |
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235 | sld_twtrd= G4TwistedTrd("twistedtrd", 30.*cm, 10.*cm, |
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236 | 40.*cm, 15.*cm, 60.*cm, 30.*deg) |
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237 | self.lv_object.SetSolid(sld_twtrd) |
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238 | self.lv_object.SetVisAttributes(self.va_green) |
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239 | gRunManager.GeometryHasBeenModified() |
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240 | |
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241 | # ----------------------------------------------------------------- |
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242 | def ConstructTwistedTubs(self): |
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243 | global sld_twt |
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244 | sld_twt= G4TwistedTubs("twistedtube", 60.*deg, |
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245 | 10.*cm, 15.*cm, 20.*cm, 90.*deg) |
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246 | self.lv_object.SetSolid(sld_twt) |
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247 | self.lv_object.SetVisAttributes(self.va_magenta) |
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248 | gRunManager.GeometryHasBeenModified() |
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249 | |
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250 | # ----------------------------------------------------------------- |
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251 | def Construct(self): # return the world volume |
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252 | return self.world |
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253 | |
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254 | # ================================================================== |
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255 | # main |
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256 | # ================================================================== |
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257 | os.environ["G4VRML_DEST_DIR"]= "." |
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258 | os.environ["G4VRMLFILE_MAX_FILE_NUM"]= "1" |
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259 | os.environ["G4VRMLFILE_VIEWER"]= "echo" |
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260 | |
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261 | # set geometry |
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262 | myDC= MyDetectorConstruction() |
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263 | gRunManager.SetUserInitialization(myDC) |
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264 | |
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265 | # minimal physics list |
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266 | g4py.ExN01pl.Construct() |
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267 | |
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268 | # set primary generator action |
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269 | g4py.ParticleGun.Construct() |
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270 | |
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271 | # initialize |
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272 | gRunManager.Initialize() |
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273 | |
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274 | # visualization |
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275 | gApplyUICommand("/vis/open VRML2FILE") |
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276 | gApplyUICommand("/vis/scene/create") |
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277 | gApplyUICommand("/vis/scene/add/volume") |
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278 | gApplyUICommand("/vis/sceneHandler/attach") |
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279 | gApplyUICommand("/vis/scene/add/axes 0. 0. 0. 10. cm") |
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280 | |
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281 | # create a vrml file for each solid type |
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282 | f_list= ( |
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283 | ("g4box", myDC.ConstructBox), |
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284 | ("g4tubs", myDC.ConstructTubs), |
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285 | ("g4cons", myDC.ConstructCons), |
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286 | ("g4para", myDC.ConstructPara), |
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287 | ("g4trd", myDC.ConstructTrd), |
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288 | ("g4trap", myDC.ConstructTrap), |
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289 | ("g4sphere", myDC.ConstructSphere), |
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290 | ("g4orb", myDC.ConstructOrb), |
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291 | ("g4torus", myDC.ConstructTorus), |
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292 | ("g4polycone", myDC.ConstructPolycone), |
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293 | ("g4polyhedra", myDC.ConstructPolyhedra), |
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294 | ("g4ellipticaltube", myDC.ConstructEllipticalTube), |
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295 | ("g4ellipsoid", myDC.ConstructEllipsoid), |
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296 | ("g4ellipticalcone", myDC.ConstructEllipticalCone), |
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297 | ("g4hype", myDC.ConstructHype), |
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298 | ("g4tet", myDC.ConstructTet), |
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299 | ("g4twistedbox", myDC.ConstructTwistedBox), |
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300 | ("g4twistedtrap", myDC.ConstructTwistedTrap), |
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301 | ("g4twistedtrd", myDC.ConstructTwistedTrd), |
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302 | ("g4twistedtubs", myDC.ConstructTwistedTubs) |
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303 | ) |
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304 | |
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305 | for s,f in f_list: |
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306 | f.__call__() |
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307 | gRunManager.BeamOn(1) |
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308 | fname= "%s.wrl" % (s) |
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309 | os.rename("g4_00.wrl", fname) |
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310 | |
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