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: testG4Navigator6.cc,v 1.5 2006/06/29 18:37:28 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 | // |
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32 | // Create a tubular "calorimeter". Shoot from origin along x & y axes |
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33 | // printing location, steps & safeties. Locate 50^3 points within |
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34 | // calorimeter to check performance of point location logic. |
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35 | // |
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36 | // Arguments: Put `1' or `0' to toggle voxel optimisation on/off |
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37 | // [Default: ON] |
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38 | // |
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39 | // Define G4GEOMETRY_VERBOSE for dump of topmost voxels |
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40 | |
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41 | |
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42 | #include <assert.h> |
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43 | #include "G4ios.hh" |
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44 | #include <stdlib.h> |
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45 | |
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46 | // Global defs |
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47 | #include "globals.hh" |
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48 | |
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49 | #include "G4Timer.hh" |
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50 | #include "ApproxEqual.hh" |
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51 | |
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52 | #include "G4Navigator.hh" |
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53 | |
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54 | #include "G4LogicalVolume.hh" |
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55 | #include "G4VPhysicalVolume.hh" |
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56 | #include "G4PVPlacement.hh" |
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57 | #include "G4Box.hh" |
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58 | #include "G4Tubs.hh" |
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59 | |
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60 | #include "G4GeometryManager.hh" |
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61 | |
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62 | #include "G4RotationMatrix.hh" |
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63 | #include "G4ThreeVector.hh" |
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64 | |
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65 | // Build tubular calorimeter: |
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66 | // An array of interlocking complete tubes, inside a box |
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67 | // |
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68 | // Controlled by: |
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69 | const G4double kTubeHalfHeight = 10; |
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70 | const G4double kTubeRadius = 5; |
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71 | const G4double kTubeNoRow = 10; |
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72 | const G4double kTubeNoColumn = 11; // Should be odd for symmetrical array |
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73 | |
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74 | const G4double kBoxDx=kTubeNoRow*kTubeRadius; |
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75 | const G4double yDelta=2.0*kTubeRadius*std::sin(pi/3.0); |
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76 | const G4double kBoxDy=(kTubeNoColumn-1)*yDelta*0.5+kTubeRadius; |
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77 | const G4double kBoxDz=kTubeHalfHeight; |
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78 | |
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79 | G4VPhysicalVolume* BuildGeometry() |
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80 | { |
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81 | G4double bigXStart=-(kTubeNoRow-1)*kTubeRadius; |
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82 | G4double smallXStart=bigXStart+kTubeRadius; |
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83 | |
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84 | G4double bigYStart=-(kTubeNoColumn-1)*yDelta*0.5; |
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85 | G4double smallYStart=bigYStart+yDelta; |
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86 | |
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87 | |
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88 | G4int row,column; |
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89 | |
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90 | G4Box *calBox = new G4Box ("Cal Box",kBoxDx,kBoxDy,kBoxDz); |
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91 | G4Tubs *calTube = new G4Tubs("Cal Tube",0,kTubeRadius, |
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92 | kTubeHalfHeight,0,360); |
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93 | |
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94 | |
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95 | G4LogicalVolume *myDetectorLog=new G4LogicalVolume(calBox,0, |
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96 | "World", |
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97 | 0,0,0); |
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98 | // Logical with no material,field, |
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99 | // sensitive detector or user limits |
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100 | |
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101 | G4PVPlacement *myDetectorPhys=new G4PVPlacement(0,G4ThreeVector(0,0,0), |
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102 | "World", |
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103 | myDetectorLog,0,false,0); |
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104 | // Note: no mother pointer set |
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105 | |
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106 | G4LogicalVolume *calTubLog=new G4LogicalVolume(calTube,0, |
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107 | "Cal Crystal", |
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108 | 0,0,0); |
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109 | |
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110 | G4String tname("Target"); |
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111 | G4int copyNo=0; |
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112 | for (column=0;column<kTubeNoColumn;column+=2) |
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113 | { |
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114 | for (row=0;row<kTubeNoRow;row++) |
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115 | { |
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116 | |
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117 | // G4PVPlacement *calPhys= |
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118 | new G4PVPlacement( |
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119 | 0,G4ThreeVector(bigXStart+row*kTubeRadius*2.0,bigYStart+column*yDelta,0), |
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120 | tname,calTubLog, |
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121 | myDetectorPhys,false,copyNo++); |
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122 | } |
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123 | } |
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124 | |
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125 | |
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126 | for (column=0;column<kTubeNoColumn-1;column+=2) |
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127 | { |
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128 | for (row=0;row<kTubeNoRow-1;row++) |
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129 | { |
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130 | |
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131 | // G4PVPlacement *calPhys= |
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132 | new G4PVPlacement( |
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133 | 0,G4ThreeVector(smallXStart+row*kTubeRadius*2.0,smallYStart+column*yDelta), |
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134 | tname,calTubLog, |
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135 | myDetectorPhys,false,copyNo++); |
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136 | } |
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137 | } |
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138 | |
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139 | return myDetectorPhys; |
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140 | } |
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141 | |
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142 | |
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143 | G4bool printShoot(G4VPhysicalVolume *pTopNode, |
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144 | const G4ThreeVector& pLoc, |
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145 | const G4ThreeVector& pVec) |
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146 | { |
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147 | G4double Step=0,safety=0; |
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148 | const G4double physStep=kInfinity; |
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149 | G4VPhysicalVolume *located=0; |
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150 | MyNavigator myNav; |
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151 | myNav.SetWorldVolume(pTopNode); |
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152 | |
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153 | G4ThreeVector partLoc(pLoc); |
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154 | G4cout << "Shooting from " << pLoc << " along " << pVec << G4endl; |
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155 | located=myNav.LocateGlobalPointAndSetup(partLoc); |
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156 | while (located) |
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157 | { |
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158 | Step=myNav.ComputeStep(partLoc,pVec,physStep,safety); |
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159 | G4cout << "Physical Location=" << located->GetName() |
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160 | << " #" << located->GetCopyNo() << G4endl |
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161 | << " Step=" << Step << " Safety=" << safety |
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162 | << " ---->" << G4endl; |
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163 | |
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164 | partLoc+=Step*pVec; |
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165 | myNav.SetGeometricallyLimitedStep(); |
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166 | located=myNav.LocateGlobalPointAndSetup(partLoc); |
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167 | } |
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168 | return true; |
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169 | } |
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170 | |
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171 | G4bool runLocate(G4VPhysicalVolume *pTopNode) |
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172 | { |
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173 | const G4int numLocPerAxis=50; |
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174 | const G4double dxStep=kBoxDx*2.0/numLocPerAxis; |
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175 | const G4double dyStep=kBoxDy*2.0/numLocPerAxis; |
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176 | const G4double dzStep=kBoxDz*2.0/numLocPerAxis; |
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177 | |
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178 | MyNavigator myNav; |
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179 | G4ThreeVector worldPoint; |
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180 | myNav.SetWorldVolume(pTopNode); |
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181 | for (G4double x=-kBoxDx;x<kBoxDx;x+=dxStep) |
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182 | { |
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183 | for (G4double y=-kBoxDy;y<kBoxDy;y+=dyStep) |
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184 | { |
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185 | for (G4double z=-kBoxDz;z<kBoxDz;z+=dzStep) |
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186 | { |
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187 | worldPoint=G4ThreeVector(x,y,z); |
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188 | myNav.LocateGlobalPointAndSetup(worldPoint,0,false); |
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189 | } |
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190 | } |
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191 | |
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192 | } |
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193 | return true; |
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194 | } |
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195 | |
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196 | G4bool runAll(G4VPhysicalVolume *pTopNode) |
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197 | { |
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198 | G4cout << "Locating..." << G4endl; |
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199 | runLocate(pTopNode); |
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200 | G4cout << "Done" << G4endl; |
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201 | return true; |
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202 | } |
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203 | |
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204 | int main(int argc, char* argv[]) |
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205 | { |
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206 | G4bool optimise; |
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207 | G4Timer timer; |
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208 | if (argc==1) |
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209 | { |
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210 | optimise=true; |
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211 | } |
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212 | else if (argc==2) |
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213 | { |
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214 | G4String opt(argv[1]); |
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215 | |
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216 | if (opt=="0") |
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217 | { |
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218 | optimise=false; |
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219 | } |
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220 | else if (opt=="1") |
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221 | { |
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222 | optimise=true; |
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223 | } |
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224 | else |
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225 | { |
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226 | G4cout << "Unknown args" << G4endl; |
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227 | return EXIT_FAILURE; |
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228 | } |
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229 | } |
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230 | else |
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231 | { |
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232 | G4cout << "Unknown args" << G4endl; |
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233 | return EXIT_FAILURE; |
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234 | } |
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235 | |
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236 | G4VPhysicalVolume *myTopNode; |
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237 | myTopNode=BuildGeometry(); // Build the geometry |
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238 | |
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239 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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240 | |
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241 | timer.Start(); |
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242 | G4GeometryManager::GetInstance()->CloseGeometry(optimise); |
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243 | timer.Stop(); |
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244 | |
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245 | //#ifdef G4GEOMETRY_VERBOSE |
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246 | // G4cout << *(G4LogicalVolumeStore::GetInstance()->at(0)->GetVoxelHeader()); |
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247 | //#endif |
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248 | if (optimise) |
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249 | { |
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250 | G4cout << "Built voxels "; |
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251 | } |
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252 | else |
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253 | { |
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254 | G4cout << "No voxels "; |
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255 | } |
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256 | G4cout << timer << G4endl; |
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257 | |
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258 | printShoot(myTopNode, |
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259 | G4ThreeVector(-kBoxDx,0,0), |
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260 | G4ThreeVector(1,0,0)); |
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261 | printShoot(myTopNode, |
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262 | G4ThreeVector(0,0,0), |
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263 | G4ThreeVector(1/std::sqrt(2.),1/std::sqrt(2.),0)); |
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264 | timer.Start(); |
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265 | runAll(myTopNode); |
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266 | timer.Stop(); |
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267 | G4cout << timer << G4endl; |
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268 | |
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269 | G4GeometryManager::GetInstance()->OpenGeometry(); |
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270 | return EXIT_SUCCESS; |
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271 | } |
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