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: testG4EllipticalTube.cc |
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28 | // GEANT4 tag $Name: |
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29 | // |
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30 | // testG4EllipticalTube |
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31 | // |
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32 | // Test file for class G4EllipticalTube derived from G4EllipticalCone |
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33 | // |
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34 | // Ensure asserts are compiled in |
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35 | |
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36 | #include <assert.h> |
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37 | #include <cmath> |
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38 | |
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39 | #include "globals.hh" |
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40 | #include "geomdefs.hh" |
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41 | #include "G4GeometryTolerance.hh" |
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42 | |
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43 | #include "G4ThreeVector.hh" |
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44 | #include "G4EllipticalTube.hh" |
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45 | #include "G4RotationMatrix.hh" |
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46 | #include "G4AffineTransform.hh" |
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47 | #include "G4VoxelLimits.hh" |
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48 | |
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49 | const G4String OutputInside(const EInside a) |
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50 | { |
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51 | switch(a) |
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52 | { |
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53 | case kInside: return "Inside"; |
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54 | case kOutside: return "Outside"; |
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55 | case kSurface: return "Surface"; |
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56 | } |
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57 | return "????"; |
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58 | } |
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59 | |
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60 | |
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61 | G4bool testG4EllipticalTube() |
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62 | { |
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63 | |
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64 | G4ThreeVector pzero(0,0,0); |
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65 | G4ThreeVector pout ( 0*cm, 0*cm, 25*cm ) ; |
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66 | G4ThreeVector psurface(2.*mm,0*mm,0*cm); |
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67 | G4ThreeVector dir = pzero-pout ; |
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68 | dir *= 1/dir.mag(); |
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69 | |
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70 | //For Normal |
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71 | G4ThreeVector *pNorm,norm; |
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72 | G4bool *pgoodNorm,goodNorm,calcNorm=true; |
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73 | |
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74 | pNorm=&norm; |
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75 | pgoodNorm=&goodNorm;//For Normal |
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76 | |
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77 | |
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78 | G4EllipticalTube t1("Solid EllipticalTube #1", |
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79 | 2*mm, // xSemiAxis |
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80 | 1*mm, // ySemiAxis |
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81 | 15*cm); // zheight |
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82 | |
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83 | |
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84 | G4double dist = t1.DistanceToOut(pout,dir) ; |
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85 | G4cout << "*********** Testing DistanceToOut method *************** "<<G4endl; |
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86 | G4cout << "Distance = " << dist << G4endl <<G4endl; |
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87 | dist = t1.DistanceToOut(psurface,G4ThreeVector(1,0,0),calcNorm,pgoodNorm,pNorm); |
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88 | G4cout << "Distance = " << dist << G4endl ; |
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89 | G4cout << "with Normal = "<< (*pNorm) << G4endl << G4endl ; |
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90 | // Check Inside |
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91 | |
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92 | G4cout << "************ Test Inside(p) ****************" << G4endl ; |
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93 | G4cout << "pzero : " << t1.Inside(pzero) << G4endl <<G4endl ; |
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94 | G4cout << "psurface:" << t1.Inside(psurface) << G4endl <<G4endl ; |
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95 | //test the name |
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96 | G4cout << "The name is : " << t1.GetName() << G4endl ; |
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97 | |
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98 | // testing the volume |
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99 | |
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100 | G4double volume = t1.GetCubicVolume() ; |
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101 | G4cout << G4endl ; |
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102 | G4cout << "Solid EllipticalTube #1 has Volume = " << volume / cm / cm /cm << " cm^3" |
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103 | << G4endl << G4endl; |
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104 | |
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105 | return true; |
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106 | } |
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107 | |
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108 | // |
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109 | // This test generates a random point on the surface of the solid and |
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110 | // checks the distance from a point outside in the direction of the |
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111 | // line between the two points |
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112 | // |
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113 | G4bool testDistanceToIn() |
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114 | { |
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115 | G4EllipticalTube t1("Solid EllipticalTube #1", |
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116 | 2*cm, // xSemiAxis |
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117 | 1*cm, // ySemiAxis |
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118 | 15*cm); // zheight |
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119 | |
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120 | |
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121 | G4int N = 10000; |
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122 | G4int n = 0; |
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123 | |
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124 | G4double kCarTolerance = G4GeometryTolerance::GetInstance()->GetSurfaceTolerance(); |
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125 | |
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126 | for(G4int i=0; i<N; i++) |
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127 | { |
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128 | G4ThreeVector point = t1.GetPointOnSurface(); |
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129 | point.setX(std::fabs(point.x())); |
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130 | point.setY(std::fabs(point.y())); |
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131 | |
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132 | G4ThreeVector out (100*cm, 100*cm, 100*cm); |
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133 | |
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134 | G4ThreeVector dir = point - out; |
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135 | G4double dist2 = dir.mag(); |
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136 | dir /= dist2; |
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137 | |
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138 | G4double dist1 = t1.DistanceToIn(point,dir); |
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139 | G4double diff = std::fabs(dist1 - dist2); |
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140 | |
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141 | if(diff < 2.*kCarTolerance) |
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142 | n++; |
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143 | } |
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144 | |
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145 | G4cout <<" ************ For testG4EllipticalTube ******************"<<G4endl<<G4endl; |
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146 | G4cout <<" Number of inconsistencies for testDistanceToIn was: "<< n <<" ..."<<G4endl |
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147 | <<" ... For a total of "<<N<<" trials."<< G4endl <<G4endl; |
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148 | |
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149 | return true; |
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150 | } |
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151 | G4bool testDistanceToOut() |
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152 | { |
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153 | G4EllipticalTube t1("Solid EllipticalTube #1", |
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154 | 2*cm, // xSemiAxis |
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155 | 1*cm, // ySemiAxis |
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156 | 15*cm); // zheight |
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157 | |
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158 | G4int N = 10000; |
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159 | G4int n = 0; |
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160 | G4int nn= 0; |
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161 | |
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162 | G4double kCarTolerance = G4GeometryTolerance::GetInstance()->GetSurfaceTolerance(); |
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163 | |
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164 | //For Normal |
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165 | G4ThreeVector *pNorm,norm,SurfNormal; |
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166 | G4bool *pgoodNorm,goodNorm,calcNorm=true; |
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167 | |
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168 | pNorm=&norm; |
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169 | pgoodNorm=&goodNorm; |
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170 | // |
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171 | |
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172 | for(G4int i=0; i<N; i++) |
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173 | { |
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174 | G4ThreeVector point = t1.GetPointOnSurface(); |
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175 | point.setX(std::fabs(point.x())); |
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176 | point.setY(std::fabs(point.y())); |
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177 | |
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178 | G4ThreeVector out (0*cm, 0*cm, 0*cm); |
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179 | |
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180 | G4ThreeVector dir = point - out; |
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181 | G4double dist2 = dir.mag(); |
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182 | dir /= dist2; |
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183 | |
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184 | G4double dist1 = t1.DistanceToOut(point,dir,calcNorm,pgoodNorm,pNorm); |
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185 | G4double diff = std::fabs(dist1 - dist2); |
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186 | G4double difNorm=((*pNorm)-t1.SurfaceNormal(point)).mag(); |
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187 | |
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188 | if(difNorm > 2.*kCarTolerance){ |
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189 | if(std::fabs(std::fabs(point.z())-15.0*cm)>kCarTolerance) nn++; |
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190 | G4cout<<"point="<<point<<" norm="<< (*pNorm)<<" surfNorm="<<t1.SurfaceNormal(point)<<G4endl; |
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191 | |
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192 | } |
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193 | |
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194 | if(diff < 2.*kCarTolerance) |
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195 | n++; |
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196 | } |
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197 | |
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198 | G4cout <<" ************ For testG4EllipticalTube ******************"<<G4endl<<G4endl; |
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199 | G4cout <<" Number of inconsistencies for testDistanceToOut was: "<< n <<" ..."<<G4endl |
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200 | <<" ... For a total of "<<N<<" trials."<< G4endl <<G4endl; |
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201 | G4cout <<" Number of differences for test Normal was "<< nn << " ...."<<G4endl <<G4endl; |
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202 | |
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203 | return true; |
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204 | } |
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205 | |
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206 | |
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207 | int main() |
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208 | { |
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209 | |
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210 | G4cout << G4endl; |
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211 | G4cout << "*********************************************************************" <<G4endl; |
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212 | G4cout << "****************** UNIT TEST FOR ELLIPTICAL TUBE ********************" <<G4endl; |
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213 | G4cout << "*********************************************************************" <<G4endl; |
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214 | G4cout << G4endl; |
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215 | |
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216 | // temporary test |
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217 | G4ThreeVector Spoint ; |
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218 | G4double dist ; |
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219 | |
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220 | G4EllipticalTube t1("Solid EllipticalTube #1", |
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221 | 0.5*mm, // xSemiAxis |
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222 | 1*mm, // ySemiAxis |
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223 | 40*cm); // zheight |
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224 | |
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225 | |
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226 | EInside side ; |
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227 | for ( G4int i = 0 ; i < 3 ; i++ ) { |
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228 | // G4cout << "Event " << i << G4endl << G4endl ; |
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229 | Spoint = t1.GetPointOnSurface() ; |
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230 | side = t1.Inside(Spoint) ; |
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231 | dist = t1.DistanceToIn(Spoint, -Spoint/Spoint.mag()) ; |
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232 | G4cout << "Spoint " << Spoint << " " << dist << " " << side << G4endl ; |
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233 | } |
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234 | |
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235 | #ifdef NDEBUG |
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236 | G4Exception("FAIL: *** Assertions must be compiled in! ***"); |
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237 | #endif |
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238 | assert(testG4EllipticalTube()); |
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239 | |
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240 | G4bool what; |
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241 | what = testDistanceToIn(); |
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242 | what = testDistanceToOut(); |
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243 | G4cout << G4endl; |
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244 | G4cout << "*********************************************************************" <<G4endl; |
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245 | G4cout << "******************* END OF TEST - THANK YOU!!! **********************" <<G4endl; |
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246 | G4cout << "*********************************************************************" <<G4endl; |
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247 | G4cout << G4endl; |
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248 | |
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249 | return 0; |
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250 | } |
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