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: G4Polyhedra.hh,v 1.20 2008/05/15 13:45:15 gcosmo Exp $ |
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28 | // GEANT4 tag $Name: geant4-09-03 $ |
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29 | // |
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30 | // |
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31 | // -------------------------------------------------------------------- |
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32 | // GEANT 4 class header file |
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33 | // |
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34 | // |
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35 | // G4Polyhedra.hh |
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36 | // |
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37 | // Class description: |
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38 | // |
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39 | // Class implementing a CSG-like type "PGON" Geant 3.21 volume, |
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40 | // inherited from class G4VCSGfaceted: |
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41 | // |
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42 | // G4Polyhedra( const G4String& name, |
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43 | // G4double phiStart, - initial phi starting angle |
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44 | // G4double phiTotal, - total phi angle |
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45 | // G4int numSide, - number sides |
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46 | // G4int numZPlanes, - number of z planes |
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47 | // const G4double zPlane[], - position of z planes |
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48 | // const G4double rInner[], - tangent distance to inner surface |
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49 | // const G4double rOuter[] ) - tangent distance to outer surface |
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50 | // |
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51 | // G4Polyhedra( const G4String& name, |
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52 | // G4double phiStart, - initial phi starting angle |
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53 | // G4double phiTotal, - total phi angle |
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54 | // G4int numSide, - number sides |
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55 | // G4int numRZ, - number corners in r,z space |
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56 | // const G4double r[], - r coordinate of these corners |
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57 | // const G4double z[] ) - z coordinate of these corners |
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58 | |
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59 | // Author: |
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60 | // David C. Williams (davidw@scipp.ucsc.edu) |
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61 | // -------------------------------------------------------------------- |
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62 | |
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63 | #ifndef G4Polyhedra_hh |
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64 | #define G4Polyhedra_hh |
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65 | |
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66 | #include "G4VCSGfaceted.hh" |
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67 | #include "G4PolyhedraSide.hh" |
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68 | |
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69 | class G4EnclosingCylinder; |
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70 | class G4ReduciblePolygon; |
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71 | class G4PolyhedraHistorical |
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72 | { |
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73 | public: |
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74 | |
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75 | G4PolyhedraHistorical(); |
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76 | ~G4PolyhedraHistorical(); |
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77 | G4PolyhedraHistorical( const G4PolyhedraHistorical &source ); |
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78 | G4PolyhedraHistorical& operator=( const G4PolyhedraHistorical& right ); |
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79 | |
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80 | G4double Start_angle; |
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81 | G4double Opening_angle; |
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82 | G4int numSide; |
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83 | G4int Num_z_planes; |
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84 | G4double *Z_values; |
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85 | G4double *Rmin; |
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86 | G4double *Rmax; |
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87 | }; |
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88 | |
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89 | class G4Polyhedra : public G4VCSGfaceted |
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90 | { |
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91 | public: // with description |
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92 | |
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93 | G4Polyhedra( const G4String& name, |
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94 | G4double phiStart, // initial phi starting angle |
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95 | G4double phiTotal, // total phi angle |
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96 | G4int numSide, // number sides |
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97 | G4int numZPlanes, // number of z planes |
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98 | const G4double zPlane[], // position of z planes |
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99 | const G4double rInner[], // tangent distance to inner surface |
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100 | const G4double rOuter[] ); // tangent distance to outer surface |
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101 | |
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102 | G4Polyhedra( const G4String& name, |
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103 | G4double phiStart, // initial phi starting angle |
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104 | G4double phiTotal, // total phi angle |
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105 | G4int numSide, // number sides |
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106 | G4int numRZ, // number corners in r,z space |
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107 | const G4double r[], // r coordinate of these corners |
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108 | const G4double z[] ); // z coordinate of these corners |
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109 | |
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110 | virtual ~G4Polyhedra(); |
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111 | |
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112 | G4Polyhedra( const G4Polyhedra &source ); |
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113 | const G4Polyhedra &operator=( const G4Polyhedra &source ); |
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114 | |
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115 | // Methods for solid |
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116 | |
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117 | EInside Inside( const G4ThreeVector &p ) const; |
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118 | G4double DistanceToIn( const G4ThreeVector &p, |
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119 | const G4ThreeVector &v ) const; |
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120 | G4double DistanceToIn( const G4ThreeVector &p ) const; |
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121 | |
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122 | void ComputeDimensions( G4VPVParameterisation* p, |
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123 | const G4int n, |
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124 | const G4VPhysicalVolume* pRep); |
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125 | |
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126 | G4GeometryType GetEntityType() const; |
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127 | |
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128 | G4ThreeVector GetPointOnSurface() const; |
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129 | |
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130 | std::ostream& StreamInfo( std::ostream& os ) const; |
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131 | |
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132 | G4Polyhedron* CreatePolyhedron() const; |
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133 | G4NURBS* CreateNURBS() const; |
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134 | |
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135 | G4bool Reset(); |
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136 | |
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137 | // Accessors |
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138 | |
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139 | inline G4int GetNumSide() const; |
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140 | inline G4double GetStartPhi() const; |
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141 | inline G4double GetEndPhi() const; |
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142 | inline G4bool IsOpen() const; |
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143 | inline G4bool IsGeneric() const; |
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144 | inline G4int GetNumRZCorner() const; |
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145 | inline G4PolyhedraSideRZ GetCorner( const G4int index ) const; |
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146 | |
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147 | inline G4PolyhedraHistorical* GetOriginalParameters() const; |
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148 | // Returns internal scaled parameters. |
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149 | inline void SetOriginalParameters(G4PolyhedraHistorical* pars); |
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150 | // Sets internal parameters. Parameters 'Rmin' and 'Rmax' in input must |
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151 | // be scaled first by a factor computed as 'cos(0.5*phiTotal/theNumSide)', |
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152 | // if not already scaled. |
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153 | |
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154 | public: // without description |
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155 | |
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156 | G4Polyhedra(__void__&); |
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157 | // Fake default constructor for usage restricted to direct object |
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158 | // persistency for clients requiring preallocation of memory for |
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159 | // persistifiable objects. |
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160 | |
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161 | protected: // without description |
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162 | |
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163 | inline void SetOriginalParameters(); |
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164 | // Sets internal parameters for the generic constructor. |
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165 | |
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166 | void Create( G4double phiStart, // initial phi starting angle |
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167 | G4double phiTotal, // total phi angle |
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168 | G4int numSide, // number sides |
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169 | G4ReduciblePolygon *rz ); // rz coordinates |
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170 | // Generates the shape and is called by each constructor, after the |
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171 | // conversion of the arguments |
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172 | |
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173 | void CopyStuff( const G4Polyhedra &source ); |
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174 | void DeleteStuff(); |
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175 | |
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176 | // Methods for generation of random points on surface |
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177 | |
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178 | G4ThreeVector GetPointOnPlane(G4ThreeVector p0, G4ThreeVector p1, |
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179 | G4ThreeVector p2, G4ThreeVector p3) const; |
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180 | G4ThreeVector GetPointOnTriangle(G4ThreeVector p0, G4ThreeVector p1, |
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181 | G4ThreeVector p2) const; |
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182 | G4ThreeVector GetPointOnSurfaceCorners() const; |
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183 | |
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184 | protected: // without description |
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185 | |
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186 | G4int numSide; // Number of sides |
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187 | G4double startPhi; // Starting phi value (0 < phiStart < 2pi) |
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188 | G4double endPhi; // end phi value (0 < endPhi-phiStart < 2pi) |
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189 | G4bool phiIsOpen; // true if there is a phi segment |
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190 | G4bool genericPgon; // true if created through the 2nd generic constructor |
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191 | G4int numCorner; // number RZ points |
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192 | G4PolyhedraSideRZ *corners; // our corners |
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193 | G4PolyhedraHistorical *original_parameters; // original input parameters |
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194 | |
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195 | G4EnclosingCylinder *enclosingCylinder; |
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196 | |
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197 | }; |
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198 | |
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199 | #include "G4Polyhedra.icc" |
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200 | |
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201 | #endif |
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