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: testG4Navigator2.cc,v 1.6 2007/03/23 18:33:08 japost 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 | // Locate & Step within simple rotated boxlike geometry, both |
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32 | // with and without voxels. |
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33 | |
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34 | #include <assert.h> |
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35 | #include "ApproxEqual.hh" |
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36 | |
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37 | // Global defs |
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38 | #include "globals.hh" |
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39 | |
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40 | #include "G4Navigator.hh" |
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41 | |
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42 | #include "G4LogicalVolume.hh" |
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43 | #include "G4VPhysicalVolume.hh" |
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44 | #include "G4PVPlacement.hh" |
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45 | // #include "G4PVParameterised.hh" |
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46 | // #include "G4VPVParameterisation.hh" |
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47 | #include "G4Box.hh" |
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48 | |
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49 | #include "G4GeometryManager.hh" |
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50 | #include "G4PhysicalVolumeStore.hh" |
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51 | |
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52 | #include "G4RotationMatrix.hh" |
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53 | #include "G4ThreeVector.hh" |
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54 | |
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55 | G4VPhysicalVolume* BuildGeometry() |
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56 | { |
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57 | |
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58 | G4Box *myBigBox= new G4Box ("cube",50,50,50); |
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59 | G4Box *myBox=new G4Box("cuboid",5,10,15); |
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60 | G4LogicalVolume *worldLog=new G4LogicalVolume(myBigBox,0, |
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61 | "World",0,0,0); |
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62 | // Logical with no material,field, |
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63 | // sensitive detector or user limits |
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64 | |
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65 | G4PVPlacement *worldPhys=new G4PVPlacement(0,G4ThreeVector(0,0,0), |
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66 | "World",worldLog, |
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67 | 0,false,0); |
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68 | // Note: no mother pointer set |
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69 | |
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70 | G4LogicalVolume *boxLog=new G4LogicalVolume(myBox,0, |
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71 | "Crystal Box",0,0,0); |
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72 | |
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73 | G4RotationMatrix *rot1=new G4RotationMatrix(); |
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74 | rot1->rotateZ(pi*0.5); |
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75 | // G4PVPlacement *boxPhys1= |
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76 | new G4PVPlacement(rot1,G4ThreeVector(0,0,0), |
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77 | "Target 1",boxLog, |
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78 | worldPhys,false,0); |
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79 | |
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80 | G4RotationMatrix *rot2=new G4RotationMatrix(); |
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81 | rot2->rotateX(pi*0.5); |
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82 | // G4PVPlacement *boxPhys2= |
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83 | new G4PVPlacement(rot2,G4ThreeVector(-30,0,0), |
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84 | "Target 2",boxLog, |
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85 | worldPhys,false,0); |
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86 | G4RotationMatrix *rot3=new G4RotationMatrix(); |
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87 | rot3->rotateY(pi*0.5); |
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88 | // G4PVPlacement *boxPhys3= |
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89 | new G4PVPlacement(rot3,G4ThreeVector(30,0,0), |
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90 | "Target 3",boxLog, |
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91 | worldPhys,false,0); |
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92 | return worldPhys; |
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93 | } |
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94 | |
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95 | |
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96 | // |
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97 | // Test LocateGlobalPointAndSetup |
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98 | // |
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99 | G4bool testG4NavigatorLocate(G4VPhysicalVolume *pTopNode) |
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100 | { |
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101 | G4Navigator myNav; |
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102 | G4VPhysicalVolume *located; |
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103 | myNav.SetWorldVolume(pTopNode); |
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104 | |
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105 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0),0,false)); |
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106 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,0),0,false); |
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107 | assert(located->GetName()=="Target 1"); |
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108 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(10,0,0),0,false); |
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109 | assert(located->GetName()=="Target 1"); |
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110 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,10,0),0,false); |
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111 | assert(located->GetName()=="World"); |
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112 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,5,0),0,false); |
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113 | assert(located->GetName()=="Target 1"); |
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114 | |
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115 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-30,0,0),0,false); |
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116 | assert(located->GetName()=="Target 2"); |
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117 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-30,10,15),0,false); |
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118 | assert(located->GetName()=="World"); |
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119 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-35,15,10),0,false); |
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120 | assert(located->GetName()=="Target 2"); |
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121 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-25,-15,-10),0,false); |
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122 | assert(located->GetName()=="Target 2"); |
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123 | |
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124 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(30,0,0),0,false); |
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125 | assert(located->GetName()=="Target 3"); |
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126 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(30,15,5),0,false); |
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127 | assert(located->GetName()=="World"); |
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128 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,10,5),0,false); |
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129 | assert(located->GetName()=="Target 3"); |
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130 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(45,-10,-5),0,false); |
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131 | assert(located->GetName()=="Target 3"); |
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132 | |
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133 | return true; |
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134 | } |
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135 | |
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136 | // Test ComputeStep |
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137 | // |
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138 | G4bool testG4NavigatorSteps(G4VPhysicalVolume *pTopNode) |
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139 | { |
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140 | MyNavigator myNav; |
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141 | G4VPhysicalVolume *located; |
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142 | G4double Step,physStep,safety; |
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143 | G4ThreeVector pos,dir,origin,xHat(1,0,0),yHat(0,1,0),zHat(0,0,1); |
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144 | G4ThreeVector mxHat(-1,0,0),myHat(0,-1,0),mzHat(0,0,-1); |
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145 | myNav.SetWorldVolume(pTopNode); |
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146 | |
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147 | pos=origin; |
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148 | dir=xHat; |
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149 | located=myNav.LocateGlobalPointAndSetup(pos,0,false); |
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150 | assert(located->GetName()=="Target 1"); |
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151 | physStep=kInfinity; |
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152 | Step=myNav.ComputeStep(origin,dir,physStep,safety); |
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153 | assert(ApproxEqual(Step,10)); |
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154 | |
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155 | pos+=Step*dir; |
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156 | myNav.SetGeometricallyLimitedStep(); |
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157 | located=myNav.LocateGlobalPointAndSetup(pos); |
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158 | assert(located->GetName()=="World"); |
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159 | Step=myNav.ComputeStep(pos,dir,physStep,safety); |
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160 | assert(ApproxEqual(Step,5)); |
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161 | |
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162 | pos+=Step*dir; |
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163 | myNav.SetGeometricallyLimitedStep(); |
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164 | located=myNav.LocateGlobalPointAndSetup(pos); |
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165 | assert(located->GetName()=="Target 3"); |
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166 | Step=myNav.ComputeStep(pos,dir,physStep,safety); |
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167 | assert(ApproxEqual(Step,30)); |
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168 | |
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169 | pos+=Step*dir; |
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170 | myNav.SetGeometricallyLimitedStep(); |
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171 | located=myNav.LocateGlobalPointAndSetup(pos); |
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172 | assert(located->GetName()=="World"); |
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173 | Step=myNav.ComputeStep(pos,dir,physStep,safety); |
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174 | assert(ApproxEqual(Step,5)); |
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175 | pos+=Step*dir; |
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176 | |
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177 | myNav.SetGeometricallyLimitedStep(); |
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178 | located=myNav.LocateGlobalPointAndSetup(pos); |
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179 | assert(located==0); |
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180 | return true; |
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181 | } |
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182 | |
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183 | // |
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184 | // |
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185 | // |
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186 | G4double |
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187 | CheckNextStep_And_TakeIt( G4Navigator &Navigator, |
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188 | const G4ThreeVector &position, |
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189 | const G4ThreeVector &direction, |
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190 | G4double proposedStep, |
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191 | G4double &resNewSafety, // Output !! |
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192 | G4double expectedStep) |
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193 | { |
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194 | // G4double Step1= 0.0, Step2= 0.0; |
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195 | G4double Step= 0.0; |
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196 | G4double safety1=0.0, safety2=0.0; |
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197 | // Check new ComputeStep method |
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198 | Step=Navigator.CheckNextStep(position,direction,proposedStep,safety1); |
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199 | assert(ApproxEqual(Step,expectedStep)); |
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200 | |
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201 | Step=Navigator.ComputeStep(position,direction,proposedStep,safety2); |
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202 | assert(ApproxEqual(Step,expectedStep)); |
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203 | |
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204 | assert(ApproxEqual(safety1,safety2)); |
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205 | |
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206 | resNewSafety= safety2; |
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207 | return Step; |
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208 | } |
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209 | |
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210 | // |
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211 | |
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212 | // |
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213 | // Test CheckNextSteps |
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214 | // |
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215 | G4bool testG4NavigatorCheckNextSteps(G4VPhysicalVolume *pTopNode) |
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216 | { |
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217 | MyNavigator myNav; |
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218 | G4VPhysicalVolume *located; |
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219 | G4double Step,physStep,safety; |
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220 | G4ThreeVector pos,dir,origin,xHat(1,0,0),yHat(0,1,0),zHat(0,0,1); |
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221 | G4ThreeVector mxHat(-1,0,0),myHat(0,-1,0),mzHat(0,0,-1); |
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222 | myNav.SetWorldVolume(pTopNode); |
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223 | |
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224 | G4double expectedStep=0.0; |
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225 | |
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226 | pos=origin; |
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227 | dir=xHat; |
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228 | located=myNav.LocateGlobalPointAndSetup(pos,0,false); |
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229 | assert(located->GetName()=="Target 1"); |
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230 | physStep=kInfinity; |
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231 | // Step=myNav.ComputeStep(origin,dir,physStep,safety); |
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232 | // assert(ApproxEqual(Step,10)); |
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233 | Step= CheckNextStep_And_TakeIt(myNav,pos,dir,physStep,safety,expectedStep=10.0); |
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234 | pos+=Step*dir; |
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235 | myNav.SetGeometricallyLimitedStep(); |
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236 | located=myNav.LocateGlobalPointAndSetup(pos); |
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237 | assert(located->GetName()=="World"); |
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238 | // Step=myNav.ComputeStep(pos,dir,physStep,safety); |
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239 | // assert(ApproxEqual(Step,5)); |
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240 | Step= CheckNextStep_And_TakeIt(myNav,pos,dir,physStep,safety,expectedStep=5.0); |
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241 | pos+=Step*dir; |
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242 | myNav.SetGeometricallyLimitedStep(); |
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243 | located=myNav.LocateGlobalPointAndSetup(pos); |
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244 | assert(located->GetName()=="Target 3"); |
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245 | |
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246 | // Step=myNav.ComputeStep(pos,dir,physStep,safety); |
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247 | // assert(ApproxEqual(Step,30)); |
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248 | Step= CheckNextStep_And_TakeIt(myNav,pos,dir,physStep,safety,expectedStep=30.0); |
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249 | pos+=Step*dir; |
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250 | |
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251 | myNav.SetGeometricallyLimitedStep(); |
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252 | located=myNav.LocateGlobalPointAndSetup(pos); |
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253 | assert(located->GetName()=="World"); |
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254 | |
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255 | // Step=myNav.ComputeStep(pos,dir,physStep,safety); |
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256 | // assert(ApproxEqual(Step,5)); |
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257 | Step= CheckNextStep_And_TakeIt(myNav,pos,dir,physStep,safety,expectedStep=5.0); |
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258 | // ** New: Check new ComputeStep method |
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259 | // Step=myNav.CheckNextStep(pos,dir,physStep,safety); |
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260 | // assert(ApproxEqual(Step,5)); |
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261 | |
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262 | pos+=Step*dir; |
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263 | myNav.SetGeometricallyLimitedStep(); |
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264 | located=myNav.LocateGlobalPointAndSetup(pos); |
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265 | assert(located==0); |
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266 | return true; |
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267 | } |
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268 | |
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269 | int main() |
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270 | { |
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271 | G4VPhysicalVolume *myTopNode; |
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272 | myTopNode=BuildGeometry(); // Build the geometry |
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273 | G4GeometryManager::GetInstance()->CloseGeometry(false); |
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274 | testG4NavigatorLocate(myTopNode); |
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275 | testG4NavigatorSteps(myTopNode); |
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276 | testG4NavigatorCheckNextSteps(myTopNode); |
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277 | |
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278 | // Repeat tests but with full voxels |
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279 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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280 | G4GeometryManager::GetInstance()->CloseGeometry(true); |
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281 | testG4NavigatorLocate(myTopNode); |
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282 | testG4NavigatorSteps(myTopNode); |
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283 | testG4NavigatorCheckNextSteps(myTopNode); |
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284 | |
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285 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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286 | |
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287 | G4PhysicalVolumeStore *ps=G4PhysicalVolumeStore::GetInstance(); |
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288 | for (G4int i=ps->size()-1;i>=0;i--) |
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289 | { |
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290 | // Delete any rotation matrices |
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291 | delete (*ps)[i]->GetRotation(); |
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292 | } |
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293 | return 0; |
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294 | } |
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