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: testG4Navigator1.cc,v 1.5 2006/06/29 18:37:17 gunter 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 boxlike geometry, both |
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32 | // with and without voxels. Parameterised volumes are included. |
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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 | |
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51 | #include "G4RotationMatrix.hh" |
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52 | #include "G4ThreeVector.hh" |
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53 | |
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54 | // Sample Paramterisation |
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55 | class G4LinScale : public G4VPVParameterisation |
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56 | { |
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57 | virtual void ComputeTransformation(const G4int n, |
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58 | G4VPhysicalVolume* pRep) const |
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59 | { |
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60 | pRep->SetTranslation(G4ThreeVector(0,(n-1)*15,0)); |
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61 | } |
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62 | |
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63 | virtual void ComputeDimensions(G4Box &pBox, |
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64 | const G4int n, |
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65 | const G4VPhysicalVolume*) const |
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66 | { |
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67 | pBox.SetXHalfLength(10); |
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68 | pBox.SetYHalfLength(5+n); |
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69 | pBox.SetZHalfLength(5+n); |
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70 | } |
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71 | |
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72 | virtual void ComputeDimensions(G4Tubs &, |
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73 | const G4int , |
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74 | const G4VPhysicalVolume*) const {} |
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75 | virtual void ComputeDimensions(G4Trd &, |
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76 | const G4int, |
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77 | const G4VPhysicalVolume*) const {} |
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78 | virtual void ComputeDimensions(G4Cons &, |
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79 | const G4int , |
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80 | const G4VPhysicalVolume*) const {} |
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81 | virtual void ComputeDimensions(G4Trap &, |
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82 | const G4int , |
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83 | const G4VPhysicalVolume*) const {} |
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84 | virtual void ComputeDimensions(G4Hype &, |
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85 | const G4int , |
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86 | const G4VPhysicalVolume*) const {} |
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87 | virtual void ComputeDimensions(G4Orb &, |
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88 | const G4int , |
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89 | const G4VPhysicalVolume*) const {} |
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90 | virtual void ComputeDimensions(G4Sphere &, |
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91 | const G4int , |
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92 | const G4VPhysicalVolume*) const {} |
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93 | virtual void ComputeDimensions(G4Torus &, |
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94 | const G4int , |
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95 | const G4VPhysicalVolume*) const {} |
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96 | virtual void ComputeDimensions(G4Para &, |
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97 | const G4int , |
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98 | const G4VPhysicalVolume*) const {} |
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99 | virtual void ComputeDimensions(G4Polycone &, |
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100 | const G4int , |
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101 | const G4VPhysicalVolume*) const {} |
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102 | virtual void ComputeDimensions(G4Polyhedra &, |
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103 | const G4int , |
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104 | const G4VPhysicalVolume*) const {} |
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105 | }; |
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106 | G4LinScale myParam; |
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107 | |
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108 | // Build simple geometry: |
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109 | // 4 small cubes + 1 slab (all G4Boxes) are positioned inside a larger cuboid |
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110 | G4VPhysicalVolume* BuildGeometry() |
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111 | { |
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112 | |
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113 | G4Box *myBigBox= new G4Box ("cuboid",25,25,20); |
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114 | G4Box *myBox=new G4Box("cube",10,10,10); |
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115 | G4Box *mySlab= new G4Box("slab",10,25,10); |
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116 | |
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117 | G4Box *myVariableBox=new G4Box("Variable Box",10,5,5); |
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118 | |
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119 | G4LogicalVolume *worldLog=new G4LogicalVolume(myBigBox,0, |
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120 | "World",0,0,0); |
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121 | // Logical with no material,field, |
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122 | // sensitive detector or user limits |
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123 | |
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124 | G4PVPlacement *worldPhys=new G4PVPlacement(0,G4ThreeVector(0,0,0), |
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125 | "World",worldLog, |
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126 | 0,false,0); |
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127 | // Note: no mother pointer set |
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128 | |
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129 | G4LogicalVolume *boxLog=new G4LogicalVolume(myBox,0, |
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130 | "Crystal Box",0,0,0); |
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131 | G4LogicalVolume *slabLog=new G4LogicalVolume(mySlab,0, |
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132 | "Crystal Slab",0,0,0); |
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133 | // G4PVPlacement *offMXYPhys= |
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134 | new G4PVPlacement(0,G4ThreeVector(-15,15,-10), |
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135 | "Target 1",boxLog, |
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136 | worldPhys,false,0); |
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137 | // G4PVPlacement *offMXMYPhys= |
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138 | new G4PVPlacement(0,G4ThreeVector(-15,-15,-10), |
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139 | "Target 2",boxLog, |
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140 | worldPhys,false,0); |
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141 | |
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142 | G4PVPlacement *offYPhys=new G4PVPlacement(0,G4ThreeVector(15,0,-10), |
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143 | "Target 3",slabLog, |
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144 | worldPhys,false,0); |
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145 | |
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146 | // G4PVPlacement *offYZPhys= |
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147 | new G4PVPlacement(0,G4ThreeVector(0,15,10), |
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148 | "Target 4",boxLog, |
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149 | worldPhys,false,0); |
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150 | // G4PVPlacement *offMYZPhys= |
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151 | new G4PVPlacement(0,G4ThreeVector(0,-15,10), |
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152 | "Target 5",boxLog, |
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153 | worldPhys,false,0); |
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154 | |
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155 | |
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156 | G4LogicalVolume *variLog=new G4LogicalVolume(myVariableBox,0, |
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157 | "Variable Blocks",0,0,0); |
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158 | // G4PVParameterised *paramPhys= |
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159 | new G4PVParameterised("Vari' Blocks", |
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160 | variLog, |
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161 | offYPhys, |
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162 | kYAxis, |
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163 | 3, |
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164 | &myParam); |
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165 | return worldPhys; |
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166 | } |
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167 | |
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168 | // |
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169 | // Test LocateGlobalPointAndSetup |
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170 | // |
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171 | G4bool testG4Navigator1(G4VPhysicalVolume *pTopNode) |
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172 | { |
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173 | MyNavigator myNav; |
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174 | G4VPhysicalVolume *located; |
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175 | myNav.SetWorldVolume(pTopNode); |
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176 | |
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177 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0),0,false)); |
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178 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,0),0,false); |
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179 | assert(located->GetName()=="World"); |
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180 | |
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181 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0))); |
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182 | |
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183 | // Check relative search that causes backup one level and then search down: |
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184 | // Nonrel' finds Target 3, then rel' with point in Target 5 finds Target 5 |
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185 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,0,-10),0,false); |
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186 | assert(located->GetName()=="Vari' Blocks"); |
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187 | |
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188 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,-15,20)); |
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189 | assert(located->GetName()=="Target 5"); |
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190 | assert(ApproxEqual(myNav.CurrentLocalCoordinate(),G4ThreeVector(0,0,10))); |
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191 | // Check that outside point causes stack to unwind |
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192 | assert(!myNav.LocateGlobalPointAndSetup(G4ThreeVector(kInfinity,0,0))); |
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193 | |
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194 | // Check parameterised volumes |
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195 | |
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196 | // Replication 0 |
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197 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-15,-10)); |
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198 | assert(located->GetName()=="Vari' Blocks"); |
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199 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-15,-16)); |
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200 | assert(located->GetName()=="Target 3"); |
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201 | |
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202 | // Replication 1 |
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203 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,0,-10)); |
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204 | assert(located->GetName()=="Vari' Blocks"); |
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205 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,0,-17)); |
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206 | assert(located->GetName()=="Target 3"); |
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207 | |
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208 | // Replication 2 |
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209 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,15,-10)); |
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210 | assert(located->GetName()=="Vari' Blocks"); |
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211 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,15,-18)); |
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212 | assert(located->GetName()=="Target 3"); |
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213 | |
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214 | return true; |
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215 | } |
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216 | |
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217 | |
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218 | // |
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219 | // Test Stepping |
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220 | // |
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221 | G4bool testG4Navigator2(G4VPhysicalVolume *pTopNode) |
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222 | { |
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223 | MyNavigator myNav; |
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224 | G4VPhysicalVolume *located; |
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225 | G4double Step,physStep,safety; |
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226 | G4ThreeVector xHat(1,0,0),yHat(0,1,0),zHat(0,0,1); |
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227 | G4ThreeVector mxHat(-1,0,0),myHat(0,-1,0),mzHat(0,0,-1); |
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228 | |
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229 | myNav.SetWorldVolume(pTopNode); |
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230 | |
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231 | // |
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232 | // Test location & Step computation |
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233 | // |
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234 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-10)); |
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235 | assert(located->GetName()=="World"); |
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236 | physStep=kInfinity; |
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237 | Step=myNav.ComputeStep(G4ThreeVector(0,0,-10),mxHat,physStep,safety); |
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238 | assert(ApproxEqual(Step,25)); |
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239 | // assert(ApproxEqual(safety,5)); |
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240 | assert(safety>=0); |
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241 | |
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242 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-10)); |
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243 | assert(located->GetName()=="World"); |
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244 | physStep=kInfinity; |
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245 | Step=myNav.ComputeStep(G4ThreeVector(0,0,-10),xHat,physStep,safety); |
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246 | assert(ApproxEqual(Step,5)); |
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247 | // assert(ApproxEqual(safety,5)); |
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248 | assert(safety>=0); |
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249 | myNav.SetGeometricallyLimitedStep(); |
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250 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(5,0,-10),0,true); |
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251 | assert(located->GetName()=="Vari' Blocks"); |
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252 | |
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253 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-10)); |
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254 | assert(located->GetName()=="World"); |
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255 | physStep=kInfinity; |
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256 | Step=myNav.ComputeStep(G4ThreeVector(0,0,-10),zHat,physStep,safety); |
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257 | assert(ApproxEqual(Step,30)); |
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258 | // assert(ApproxEqual(safety,5)); |
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259 | assert(safety>=0); |
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260 | |
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261 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(0,0,-10)); |
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262 | assert(located->GetName()=="World"); |
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263 | physStep=kInfinity; |
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264 | Step=myNav.ComputeStep(G4ThreeVector(0,0,-10),mzHat,physStep,safety); |
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265 | assert(ApproxEqual(Step,10)); |
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266 | // assert(ApproxEqual(safety,5)); |
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267 | assert(safety>=0); |
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268 | |
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269 | |
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270 | // |
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271 | // Test stepping through common boundaries |
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272 | // |
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273 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-7,7,-20)); |
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274 | assert(located->GetName()=="Target 1"); |
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275 | physStep=kInfinity; |
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276 | Step=myNav.ComputeStep(G4ThreeVector(-7,7,-20),zHat,physStep,safety); |
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277 | assert(ApproxEqual(Step,20)); |
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278 | assert(ApproxEqual(safety,0)); |
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279 | myNav.SetGeometricallyLimitedStep(); |
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280 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-7,7,0)); |
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281 | assert(located->GetName()=="Target 4"); |
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282 | Step=myNav.ComputeStep(G4ThreeVector(-7,7,0),zHat,physStep,safety); |
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283 | assert(ApproxEqual(Step,20)); |
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284 | assert(ApproxEqual(safety,0)); |
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285 | myNav.SetGeometricallyLimitedStep(); |
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286 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-7,7,20)); |
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287 | assert(!located); |
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288 | |
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289 | // |
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290 | // Test mother limited Step |
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291 | // |
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292 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(-25,0,10)); |
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293 | assert(located->GetName()=="World"); |
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294 | physStep=kInfinity; |
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295 | Step=myNav.ComputeStep(G4ThreeVector(-25,0,10),xHat,physStep,safety); |
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296 | assert(ApproxEqual(Step,50)); |
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297 | assert(ApproxEqual(safety,0)); |
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298 | |
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299 | // |
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300 | // Test stepping through parameterised volumes |
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301 | // |
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302 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-25,-10),0,false); |
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303 | assert(located->GetName()=="Target 3"); |
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304 | physStep=kInfinity; |
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305 | Step=myNav.ComputeStep(G4ThreeVector(15,-25,-10),yHat,physStep,safety); |
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306 | assert(ApproxEqual(Step,5)); |
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307 | assert(ApproxEqual(safety,0)); |
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308 | myNav.SetGeometricallyLimitedStep(); |
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309 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-20,-10)); |
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310 | assert(located->GetName()=="Vari' Blocks"); |
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311 | Step=myNav.ComputeStep(G4ThreeVector(15,-20,-10),yHat,physStep,safety); |
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312 | assert(ApproxEqual(Step,10)); |
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313 | assert(ApproxEqual(safety,0)); |
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314 | myNav.SetGeometricallyLimitedStep(); |
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315 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-10,-10)); |
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316 | assert(located->GetName()=="Target 3"); |
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317 | Step=myNav.ComputeStep(G4ThreeVector(15,-10,-10),yHat,physStep,safety); |
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318 | assert(ApproxEqual(Step,4)); |
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319 | assert(ApproxEqual(safety,0)); |
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320 | myNav.SetGeometricallyLimitedStep(); |
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321 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,-6,-10)); |
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322 | assert(located->GetName()=="Vari' Blocks"); |
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323 | Step=myNav.ComputeStep(G4ThreeVector(15,-6,-10),yHat,physStep,safety); |
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324 | assert(ApproxEqual(Step,12)); |
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325 | assert(ApproxEqual(safety,0)); |
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326 | myNav.SetGeometricallyLimitedStep(); |
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327 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,6,-10)); |
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328 | assert(located->GetName()=="Target 3"); |
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329 | Step=myNav.ComputeStep(G4ThreeVector(15,6,-10),yHat,physStep,safety); |
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330 | assert(ApproxEqual(Step,2)); |
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331 | assert(ApproxEqual(safety,0)); |
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332 | myNav.SetGeometricallyLimitedStep(); |
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333 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,8,-10)); |
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334 | assert(located->GetName()=="Vari' Blocks"); |
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335 | Step=myNav.ComputeStep(G4ThreeVector(15,8,-10),yHat,physStep,safety); |
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336 | assert(ApproxEqual(Step,14)); |
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337 | assert(ApproxEqual(safety,0)); |
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338 | myNav.SetGeometricallyLimitedStep(); |
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339 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,22,-10)); |
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340 | assert(located->GetName()=="Target 3"); |
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341 | Step=myNav.ComputeStep(G4ThreeVector(15,22,-10),yHat,physStep,safety); |
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342 | assert(ApproxEqual(Step,3)); |
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343 | assert(ApproxEqual(safety,0)); |
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344 | myNav.SetGeometricallyLimitedStep(); |
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345 | located=myNav.LocateGlobalPointAndSetup(G4ThreeVector(15,25,-10)); |
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346 | assert(!located); |
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347 | |
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348 | return true; |
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349 | } |
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350 | |
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351 | int main() |
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352 | { |
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353 | G4VPhysicalVolume *myTopNode; |
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354 | myTopNode=BuildGeometry(); // Build the geometry |
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355 | G4GeometryManager::GetInstance()->CloseGeometry(false); |
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356 | testG4Navigator1(myTopNode); |
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357 | testG4Navigator2(myTopNode); |
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358 | // Repeat tests but with full voxels |
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359 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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360 | G4GeometryManager::GetInstance()->CloseGeometry(true); |
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361 | testG4Navigator1(myTopNode); |
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362 | testG4Navigator2(myTopNode); |
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363 | |
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364 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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365 | return 0; |
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366 | } |
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