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: testSurfaceArea.cc,v 1.2 2007/02/12 11:29:23 gcosmo 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 | // by Hans Dierckx to test surface Area |
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32 | |
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33 | // Validation of the Monte Carlo method to calculate arbitrary surface areas. |
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34 | // For the different CSG solids available, the surface is calculated |
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35 | // analytically and by the Monte Carlo method (after conversion into a |
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36 | // boolean intersection solid). Both results are compared afterwards. |
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37 | |
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38 | #include <assert.h> |
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39 | #include <cmath> |
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40 | #include <ctime> |
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41 | |
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42 | #include "globals.hh" |
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43 | #include "geomdefs.hh" |
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44 | |
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45 | #include "G4ThreeVector.hh" |
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46 | #include "G4TwoVector.hh" |
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47 | |
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48 | #include "G4Box.hh" |
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49 | #include "G4Tubs.hh" |
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50 | #include "G4Trap.hh" |
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51 | #include "G4Trd.hh" |
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52 | #include "G4Para.hh" |
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53 | #include "G4Sphere.hh" |
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54 | #include "G4Orb.hh" |
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55 | #include "G4Torus.hh" |
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56 | #include "G4Cons.hh" |
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57 | #include "G4BooleanSolid.hh" |
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58 | #include "G4IntersectionSolid.hh" |
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59 | #include "G4ExtrudedSolid.hh" |
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60 | |
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61 | #include "G4RotationMatrix.hh" |
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62 | #include "G4AffineTransform.hh" |
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63 | #include "G4VoxelLimits.hh" |
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64 | |
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65 | #include "Randomize.hh" |
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66 | |
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67 | G4bool testG4Surf() |
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68 | { |
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69 | G4double surf, MCsurf; |
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70 | G4int tic, toc; |
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71 | |
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72 | G4Box w("Bigger Box",5,5,5); |
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73 | G4cout << "\n\nCalculating Box:" << G4endl; |
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74 | G4Box box("Test Box",1,0.5,3); |
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75 | // fDx fDy fDz |
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76 | surf = box.GetSurfaceArea(); |
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77 | G4cout <<"Surface = " << surf << G4endl; |
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78 | G4IntersectionSolid box2("Box 2", &box, &w); |
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79 | tic=clock(); |
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80 | MCsurf= box2.GetSurfaceArea(); |
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81 | toc = clock()-tic; |
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82 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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83 | G4cout <<"MC result = " << MCsurf << G4endl; |
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84 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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85 | G4cout <<"*******************" << G4endl; |
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86 | |
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87 | |
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88 | |
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89 | |
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90 | G4cout << " Calculating Tube:" << G4endl; |
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91 | // G4Tubs cyl("Test Cyl",1,4,3.5,pi/5,3*pi/2); |
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92 | G4double R= std::sqrt(100./16./pi); |
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93 | G4Tubs cyl("Test Cyl",0.5*R,1.5*R,1.5*R,0,twopi); |
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94 | //pRmin pRmax pDz pSPhi pDPhi |
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95 | surf = cyl.GetSurfaceArea(); |
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96 | G4cout << cyl.GetCubicVolume() << G4endl; |
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97 | G4cout <<"Surface = " << surf << G4endl; |
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98 | G4IntersectionSolid cyl2("Box 2", &cyl, &w); |
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99 | tic=clock(); |
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100 | MCsurf=cyl2.GetSurfaceArea(); |
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101 | toc = clock()-tic; |
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102 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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103 | G4cout <<"MC result = " << MCsurf << G4endl; |
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104 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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105 | G4cout <<"*******************" << G4endl; |
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106 | |
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107 | G4cout << " Calculating Cone:" << G4endl; |
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108 | G4Cons cone("Test Cone",0.5,1,2,2.5,4,0,4*pi/3); |
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109 | //pRmin1 pRmax1 pRmin2, pRmax2, pDz, pSphi pDphi |
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110 | surf = cone.GetSurfaceArea(); |
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111 | G4cout <<"Surface = " << surf << G4endl; |
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112 | G4IntersectionSolid cone2("Box 2", &cone, &w); |
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113 | tic=clock(); |
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114 | MCsurf=cone2.GetSurfaceArea(); |
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115 | toc = clock()-tic; |
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116 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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117 | G4cout <<"MC result = " << MCsurf << G4endl; |
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118 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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119 | G4cout <<"*******************" << G4endl; |
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120 | |
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121 | |
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122 | G4cout << " Calculating General G4Trap:" << G4endl; |
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123 | G4Trap trap("Test Cyl",3, 20/180*pi,5/180*pi, 2, 1.5, 2, pi/18, 0.8 , 0.5, 0.7, pi/18); |
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124 | //Dz,Theta, Phi, Dy1, Dx1, Dx2, alpha1, Dy2, Dx3,Dx4, alpha2 |
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125 | surf = trap.GetSurfaceArea(); |
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126 | G4cout <<"Surface = " << surf << G4endl; |
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127 | G4IntersectionSolid trap2("Trap 2", &trap, &w); |
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128 | tic=clock(); |
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129 | MCsurf=trap2.GetSurfaceArea(); |
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130 | toc = clock()-tic; |
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131 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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132 | G4cout <<"MC result = " << MCsurf << G4endl; |
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133 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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134 | G4cout <<"*******************" << G4endl; |
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135 | |
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136 | |
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137 | |
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138 | G4cout << " Calculating Parallelepiped:" << G4endl; |
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139 | G4Para para("Test Para", 1.5, 2, 3, pi/18, pi/9, 5/180*pi); |
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140 | // Dx,Dy,Dz, alph, theta, phi |
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141 | surf = para.GetSurfaceArea(); |
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142 | G4cout <<"Surface = " << surf << G4endl; |
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143 | G4IntersectionSolid para2("Para 2", ¶, &w); |
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144 | tic=clock(); |
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145 | MCsurf=para2.GetSurfaceArea(); |
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146 | toc = clock()-tic; |
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147 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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148 | G4cout <<"MC result = " << MCsurf << G4endl; |
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149 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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150 | G4cout <<"*******************" << G4endl; |
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151 | |
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152 | |
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153 | |
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154 | G4cout << " Calculating Trapezoid:" << G4endl; |
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155 | // G4Trd trd("Test Trd", 3,1, 4,1.5, 3); |
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156 | G4double a = std::sqrt(2.5); |
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157 | G4Trd trd("Test Trd", a,2*a, 2*a,a,std::sqrt(3.)*0.5*a); |
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158 | //Dx1,Dx2,Dy1,Dy2,Dz |
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159 | surf = trd.GetSurfaceArea(); |
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160 | G4cout << trd.GetCubicVolume() << G4endl; |
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161 | G4cout <<"Surface = " << surf << G4endl; |
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162 | G4IntersectionSolid trd2("Trd 2", &trd, &w); |
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163 | tic=clock(); |
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164 | MCsurf=trd2.GetSurfaceArea(); |
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165 | toc = clock()-tic; |
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166 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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167 | G4cout <<"MC result = " << MCsurf << G4endl; |
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168 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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169 | G4cout <<"*******************" << G4endl; |
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170 | |
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171 | |
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172 | |
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173 | G4cout << " Calculating Sphere:" << G4endl; |
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174 | G4Sphere sp("Test Sphere",2,3, 3*pi/4,pi, pi/6, pi); |
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175 | //Rmin, Rmax, Sphi, Dphi, STheta, Dtheta |
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176 | surf = sp.GetSurfaceArea(); |
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177 | G4cout <<"Surface = " << surf << G4endl; |
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178 | G4IntersectionSolid sp2("Trd 2", &sp, &w); |
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179 | tic=clock(); |
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180 | MCsurf=sp2.GetSurfaceArea(); |
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181 | toc = clock()-tic; |
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182 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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183 | G4cout <<"MC result = " << MCsurf << G4endl; |
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184 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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185 | G4cout <<"*******************" << G4endl; |
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186 | |
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187 | |
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188 | |
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189 | G4cout << " Calculating Torus:" << G4endl; |
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190 | G4Torus tor("Test Torus", 0.2,2,2.5, 0,0.2); |
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191 | //Rmin Rmax Rtor Sphi Dphi |
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192 | surf = tor.GetSurfaceArea(); |
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193 | G4cout <<"Surface = " << surf << G4endl; |
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194 | G4IntersectionSolid tor2("Tor 2", &tor, &w); |
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195 | tic=clock(); |
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196 | MCsurf=tor2.GetSurfaceArea(); |
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197 | toc = clock()-tic; |
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198 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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199 | G4cout <<"MC result = " << MCsurf << G4endl; |
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200 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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201 | G4cout <<"*******************" << G4endl; |
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202 | |
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203 | |
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204 | |
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205 | G4cout << " Calculating Orb:" << G4endl; |
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206 | G4Orb orb("Test Orb",2); |
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207 | surf = orb.GetSurfaceArea(); |
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208 | G4cout <<"Surface = " << surf << G4endl; |
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209 | G4IntersectionSolid orb2("Box 2", &orb, &w); |
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210 | tic=clock(); |
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211 | MCsurf=orb2.GetSurfaceArea(); |
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212 | toc = clock()-tic; |
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213 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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214 | G4cout <<"MC result = " << MCsurf << G4endl; |
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215 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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216 | G4cout <<"*******************" << G4endl; |
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217 | |
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218 | |
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219 | |
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220 | G4cout << " Calculating Extruded-Solid (against box):" << G4endl; |
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221 | // Box above defined as Xtru ... |
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222 | std::vector<G4TwoVector> polygon; |
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223 | polygon.push_back(G4TwoVector(-1.,-0.5)); |
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224 | polygon.push_back(G4TwoVector(-1., 0.5)); |
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225 | polygon.push_back(G4TwoVector( 1., 0.5)); |
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226 | polygon.push_back(G4TwoVector( 1.,-0.5)); |
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227 | |
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228 | G4ExtrudedSolid xtru("xtru-box", polygon, 3, |
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229 | G4TwoVector(), 1.0, G4TwoVector(), 1.0); |
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230 | |
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231 | surf = xtru.GetSurfaceArea(); |
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232 | G4cout <<"Surface = " << surf << G4endl; |
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233 | tic=clock(); |
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234 | MCsurf=box.GetSurfaceArea(); |
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235 | toc = clock()-tic; |
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236 | G4cout << "Elapsed time= "<< static_cast<G4double>(toc)/CLOCKS_PER_SEC << G4endl; |
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237 | G4cout <<"MC result = " << MCsurf << G4endl; |
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238 | G4cout << "deviation = " << (surf-MCsurf)/surf*100 << " %"<< G4endl; |
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239 | G4cout <<"*******************" << G4endl; |
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240 | |
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241 | ///////////////////////////////////////////////////// |
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242 | return true; |
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243 | } |
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244 | |
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245 | int main() |
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246 | { |
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247 | |
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248 | // initialise random generator: |
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249 | CLHEP::RanluxEngine defaultEngine(1234567,4); |
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250 | CLHEP::HepRandom::setTheEngine(&defaultEngine); |
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251 | G4int seed = time(NULL); |
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252 | CLHEP::HepRandom::setTheSeed(seed); |
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253 | #ifdef NDEBUG |
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254 | G4Exception("FAIL: *** Assertions must be compiled in! ***"); |
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255 | #endif |
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256 | assert(testG4Surf()); |
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257 | return 0; |
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258 | } |
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