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: G4SurfaceBoundary.cc,v 1.14 2006/06/29 18:42:46 gunter Exp $ |
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28 | // GEANT4 tag $Name: HEAD $ |
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29 | // |
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30 | // ---------------------------------------------------------------------- |
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31 | // GEANT 4 class source file |
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32 | // |
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33 | // G4SurfaceBoundary.cc |
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34 | // |
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35 | // ---------------------------------------------------------------------- |
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36 | |
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37 | #include "G4SurfaceBoundary.hh" |
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38 | #include "geomdefs.hh" |
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39 | #include "G4CompositeCurve.hh" |
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40 | |
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41 | |
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42 | G4SurfaceBoundary::G4SurfaceBoundary() |
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43 | { |
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44 | } |
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45 | |
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46 | G4SurfaceBoundary::~G4SurfaceBoundary() |
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47 | { |
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48 | } |
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49 | |
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50 | void G4SurfaceBoundary::Init(const G4CurveVector& bounds0) |
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51 | { |
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52 | bounds= bounds0; |
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53 | lastIntersection.Reset(); |
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54 | |
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55 | const G4BoundingBox3D* b= bounds[0]->BBox(); |
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56 | bBox.Init(b->GetBoxMin(), b->GetBoxMax()); |
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57 | |
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58 | size_t i; |
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59 | for ( i=1; i<bounds.size(); i++) |
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60 | { |
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61 | b= bounds[i]->BBox(); |
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62 | bBox.Extend(b->GetBoxMin()); |
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63 | bBox.Extend(b->GetBoxMax()); |
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64 | } |
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65 | |
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66 | // the points array is probably unused, so the following code is useless |
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67 | G4int cnt= 0; |
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68 | |
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69 | size_t entr = bounds.size(); |
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70 | |
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71 | for (i=0; i < entr; i++) |
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72 | { |
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73 | G4Curve* c = bounds[i]; |
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74 | |
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75 | if (c->GetEntityType() == "G4CompositeCurve") |
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76 | { |
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77 | G4CompositeCurve* cc = (G4CompositeCurve*)c; |
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78 | const G4CurveVector& segments = cc->GetSegments(); |
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79 | cnt+= segments.size(); |
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80 | } |
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81 | else |
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82 | cnt++; |
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83 | } |
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84 | |
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85 | points.resize(cnt); |
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86 | |
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87 | G4int j= 0; |
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88 | |
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89 | for (i=0; i<bounds.size(); i++) |
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90 | { |
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91 | G4Curve* c= bounds[i]; |
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92 | if (c->GetEntityType() == "G4CompositeCurve") |
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93 | { |
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94 | G4CompositeCurve* cc = (G4CompositeCurve*)c; |
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95 | const G4CurveVector& segments = cc->GetSegments(); |
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96 | |
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97 | for (size_t i=0; i<segments.size(); i++) |
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98 | { |
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99 | G4Curve* ccc = segments[i]; |
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100 | G4Point3D p = ccc->GetEnd(); |
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101 | points[j]= p; |
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102 | j++; |
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103 | } |
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104 | |
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105 | } |
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106 | else |
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107 | { |
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108 | G4Point3D p= c->GetEnd(); |
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109 | points[j]= p; |
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110 | j++; |
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111 | } |
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112 | } |
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113 | } |
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114 | |
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115 | |
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116 | G4SurfaceBoundary* G4SurfaceBoundary::Project(const G4Transform3D& tr) |
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117 | { |
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118 | G4CurveVector newBounds; |
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119 | G4Curve* a = 0; |
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120 | G4Curve* c = 0; |
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121 | |
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122 | for (size_t i=0; i<bounds.size(); i++) |
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123 | { |
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124 | c= bounds[i]->Project(tr); |
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125 | |
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126 | if (c==0) |
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127 | { |
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128 | // Remove newBounds and delete all its contents |
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129 | while (newBounds.size()>0) |
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130 | { |
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131 | a = newBounds.back(); |
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132 | newBounds.pop_back(); |
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133 | for (G4CurveVector::iterator i=newBounds.begin(); |
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134 | i!=newBounds.end(); i++) |
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135 | { |
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136 | if (*i==a) |
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137 | { |
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138 | newBounds.erase(i); |
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139 | i--; |
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140 | } |
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141 | } |
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142 | if ( a ) delete a; |
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143 | } |
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144 | return 0; |
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145 | } |
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146 | // L. Broglia |
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147 | c->SetSameSense( bounds[i]->GetSameSense() ); |
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148 | |
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149 | newBounds.push_back(c); |
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150 | } |
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151 | |
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152 | G4SurfaceBoundary* lof= new G4SurfaceBoundary; |
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153 | lof->Init(newBounds); |
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154 | return lof; |
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155 | } |
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156 | |
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157 | /* |
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158 | void G4SurfaceBoundary::IntersectRay2D(const G4Ray& ray, |
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159 | G4CurveRayIntersection& is) |
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160 | { |
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161 | is.Reset(); |
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162 | G4int entr = bounds.entries(); |
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163 | for (G4int i=0; i < entr; i++) |
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164 | { |
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165 | G4Curve& c = *bounds.at(i); |
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166 | G4CurveRayIntersection isTmp(c, ray); |
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167 | c.IntersectRay2D(ray, isTmp); |
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168 | |
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169 | if (std::fabs(isTmp.GetDistance()) < std::fabs(is.GetDistance())) |
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170 | is= isTmp; |
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171 | } |
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172 | |
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173 | lastIntersection= is; |
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174 | } |
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175 | */ |
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176 | |
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177 | G4int G4SurfaceBoundary::IntersectRay2D(const G4Ray& ray) |
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178 | { |
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179 | G4int nbinter = 0; |
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180 | G4int temp = 0; |
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181 | |
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182 | for (size_t i=0; i < bounds.size(); i++) |
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183 | { |
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184 | G4Curve& c = *bounds[i]; |
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185 | temp = c.IntersectRay2D(ray); |
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186 | |
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187 | // test if the point is on the boundary |
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188 | if ( temp == 999 ) |
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189 | nbinter = 1; |
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190 | else |
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191 | nbinter += temp; |
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192 | } |
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193 | |
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194 | return nbinter; |
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195 | } |
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196 | |
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197 | |
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198 | G4bool G4SurfaceBoundary::Tangent(G4CurvePoint&, G4Vector3D& v) |
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199 | { |
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200 | if (lastIntersection.GetDistance() == kInfinity) |
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201 | return false; |
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202 | |
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203 | return lastIntersection.GetCurve().Tangent(lastIntersection, v); |
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204 | // should be true |
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205 | |
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206 | // cp is ignored for the moment |
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207 | } |
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208 | |
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209 | |
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210 | void G4SurfaceBoundary::SplitWithPlane(const G4Point3D&, |
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211 | const G4Vector3D&, |
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212 | G4SurfaceBoundary*&, |
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213 | G4SurfaceBoundary*&) |
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214 | { |
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215 | G4Exception("G4SurfaceBoundary::SplitWithPlane()", "NotImplemented", |
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216 | FatalException, "Sorry, not yet implemented."); |
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217 | } |
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218 | |
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219 | void G4SurfaceBoundary::SplitWithCylinder(const G4CylindricalSurface&, |
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220 | G4SurfaceBoundary*&, |
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221 | G4SurfaceBoundary*&) |
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222 | { |
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223 | G4Exception("G4SurfaceBoundary::SplitWithCylinder()", "NotImplemented", |
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224 | FatalException, "Sorry, not yet implemented."); |
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225 | } |
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