[831] | 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: G4BooleanSolid.cc,v 1.21 2006/10/19 15:34:49 gcosmo Exp $ |
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[1228] | 28 | // GEANT4 tag $Name: geant4-09-03 $ |
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[831] | 29 | // |
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| 30 | // Implementation for the abstract base class for solids created by boolean |
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| 31 | // operations between other solids |
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| 32 | // |
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| 33 | // History: |
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| 34 | // |
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| 35 | // 10.09.98 V.Grichine, created |
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| 36 | // |
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| 37 | // -------------------------------------------------------------------- |
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| 38 | |
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| 39 | #include "G4BooleanSolid.hh" |
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| 40 | #include "G4VSolid.hh" |
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| 41 | #include "G4Polyhedron.hh" |
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| 42 | #include "Randomize.hh" |
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| 43 | |
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| 44 | ////////////////////////////////////////////////////////////////// |
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| 45 | // |
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| 46 | // Constructor |
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| 47 | |
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| 48 | G4BooleanSolid::G4BooleanSolid( const G4String& pName, |
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| 49 | G4VSolid* pSolidA , |
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| 50 | G4VSolid* pSolidB ) : |
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| 51 | G4VSolid(pName), fStatistics(1000000), fCubVolEpsilon(0.001), |
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| 52 | fAreaAccuracy(-1.), fCubicVolume(0.), fSurfaceArea(0.), |
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| 53 | fpPolyhedron(0), createdDisplacedSolid(false) |
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| 54 | { |
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| 55 | fPtrSolidA = pSolidA ; |
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| 56 | fPtrSolidB = pSolidB ; |
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| 57 | } |
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| 58 | |
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| 59 | ////////////////////////////////////////////////////////////////// |
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| 60 | // |
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| 61 | // Constructor |
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| 62 | |
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| 63 | G4BooleanSolid::G4BooleanSolid( const G4String& pName, |
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| 64 | G4VSolid* pSolidA , |
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| 65 | G4VSolid* pSolidB , |
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| 66 | G4RotationMatrix* rotMatrix, |
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| 67 | const G4ThreeVector& transVector ) : |
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| 68 | G4VSolid(pName), fStatistics(1000000), fCubVolEpsilon(0.001), |
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| 69 | fAreaAccuracy(-1.), fCubicVolume(0.), fSurfaceArea(0.), |
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| 70 | fpPolyhedron(0), createdDisplacedSolid(true) |
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| 71 | { |
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| 72 | fPtrSolidA = pSolidA ; |
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| 73 | fPtrSolidB = new G4DisplacedSolid("placedB",pSolidB,rotMatrix,transVector) ; |
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| 74 | } |
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| 75 | |
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| 76 | ////////////////////////////////////////////////////////////////// |
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| 77 | // |
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| 78 | // Constructor |
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| 79 | |
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| 80 | G4BooleanSolid::G4BooleanSolid( const G4String& pName, |
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| 81 | G4VSolid* pSolidA , |
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| 82 | G4VSolid* pSolidB , |
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| 83 | const G4Transform3D& transform ) : |
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| 84 | G4VSolid(pName), fStatistics(1000000), fCubVolEpsilon(0.001), |
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| 85 | fAreaAccuracy(-1.), fCubicVolume(0.), fSurfaceArea(0.), |
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| 86 | fpPolyhedron(0), createdDisplacedSolid(true) |
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| 87 | { |
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| 88 | fPtrSolidA = pSolidA ; |
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| 89 | fPtrSolidB = new G4DisplacedSolid("placedB",pSolidB,transform) ; |
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| 90 | } |
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| 91 | |
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| 92 | /////////////////////////////////////////////////////////////// |
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| 93 | // |
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| 94 | // Fake default constructor - sets only member data and allocates memory |
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| 95 | // for usage restricted to object persistency. |
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| 96 | |
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| 97 | G4BooleanSolid::G4BooleanSolid( __void__& a ) |
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| 98 | : G4VSolid(a), fPtrSolidA(0), fPtrSolidB(0), |
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| 99 | fStatistics(1000000), fCubVolEpsilon(0.001), |
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| 100 | fAreaAccuracy(-1.), fCubicVolume(0.), fSurfaceArea(0.), |
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| 101 | fpPolyhedron(0), createdDisplacedSolid(false) |
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| 102 | { |
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| 103 | } |
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| 104 | |
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| 105 | /////////////////////////////////////////////////////////////// |
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| 106 | // |
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| 107 | // Destructor deletes transformation contents of the created displaced solid |
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| 108 | |
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| 109 | G4BooleanSolid::~G4BooleanSolid() |
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| 110 | { |
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| 111 | if(createdDisplacedSolid) |
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| 112 | { |
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| 113 | ((G4DisplacedSolid*)fPtrSolidB)->CleanTransformations(); |
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| 114 | } |
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| 115 | delete fpPolyhedron; |
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| 116 | } |
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| 117 | |
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| 118 | /////////////////////////////////////////////////////////////// |
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| 119 | // |
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| 120 | // If Solid is made up from a Boolean operation of two solids, |
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| 121 | // return the corresponding solid (for no=0 and 1) |
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| 122 | // If the solid is not a "Boolean", return 0 |
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| 123 | |
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| 124 | const G4VSolid* G4BooleanSolid::GetConstituentSolid(G4int no) const |
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| 125 | { |
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| 126 | const G4VSolid* subSolid=0; |
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| 127 | if( no == 0 ) |
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| 128 | subSolid = fPtrSolidA; |
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| 129 | else if( no == 1 ) |
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| 130 | subSolid = fPtrSolidB; |
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| 131 | else |
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| 132 | { |
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| 133 | DumpInfo(); |
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| 134 | G4Exception("G4BooleanSolid::GetConstituentSolid()", |
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| 135 | "WrongArgumentValue", FatalException, |
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| 136 | "Invalid solid index."); |
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| 137 | } |
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| 138 | |
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| 139 | return subSolid; |
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| 140 | } |
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| 141 | |
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| 142 | /////////////////////////////////////////////////////////////// |
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| 143 | // |
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| 144 | // If Solid is made up from a Boolean operation of two solids, |
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| 145 | // return the corresponding solid (for no=0 and 1) |
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| 146 | // If the solid is not a "Boolean", return 0 |
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| 147 | |
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| 148 | G4VSolid* G4BooleanSolid::GetConstituentSolid(G4int no) |
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| 149 | { |
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| 150 | G4VSolid* subSolid=0; |
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| 151 | if( no == 0 ) |
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| 152 | subSolid = fPtrSolidA; |
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| 153 | else if( no == 1 ) |
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| 154 | subSolid = fPtrSolidB; |
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| 155 | else |
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| 156 | { |
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| 157 | DumpInfo(); |
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| 158 | G4Exception("G4BooleanSolid::GetConstituentSolid()", |
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| 159 | "WrongArgumentValue", FatalException, |
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| 160 | "Invalid solid index."); |
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| 161 | } |
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| 162 | |
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| 163 | return subSolid; |
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| 164 | } |
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| 165 | |
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| 166 | ////////////////////////////////////////////////////////////////////////// |
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| 167 | // |
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| 168 | // Returns entity type |
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| 169 | |
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| 170 | G4GeometryType G4BooleanSolid::GetEntityType() const |
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| 171 | { |
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| 172 | return G4String("G4BooleanSolid"); |
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| 173 | } |
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| 174 | |
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| 175 | ////////////////////////////////////////////////////////////////////////// |
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| 176 | // |
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| 177 | // Stream object contents to an output stream |
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| 178 | |
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| 179 | std::ostream& G4BooleanSolid::StreamInfo(std::ostream& os) const |
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| 180 | { |
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| 181 | os << "-----------------------------------------------------------\n" |
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| 182 | << " *** Dump for Boolean solid - " << GetName() << " ***\n" |
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| 183 | << " ===================================================\n" |
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| 184 | << " Solid type: " << GetEntityType() << "\n" |
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| 185 | << " Parameters of constituent solids: \n" |
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| 186 | << "===========================================================\n"; |
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| 187 | fPtrSolidA->StreamInfo(os); |
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| 188 | fPtrSolidB->StreamInfo(os); |
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| 189 | os << "===========================================================\n"; |
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| 190 | |
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| 191 | return os; |
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| 192 | } |
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| 193 | |
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| 194 | ////////////////////////////////////////////////////////////////////////// |
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| 195 | // |
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| 196 | // Returns a point (G4ThreeVector) randomly and uniformly selected |
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| 197 | // on the solid surface |
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| 198 | // |
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| 199 | |
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| 200 | G4ThreeVector G4BooleanSolid::GetPointOnSurface() const |
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| 201 | { |
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| 202 | G4bool condition = true; |
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| 203 | G4double rand; |
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| 204 | G4ThreeVector p; |
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| 205 | |
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| 206 | while(condition) |
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| 207 | { |
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| 208 | rand = G4UniformRand(); |
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| 209 | |
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| 210 | if(rand > 0.5) { p = fPtrSolidA->GetPointOnSurface(); } |
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| 211 | else { p = fPtrSolidB->GetPointOnSurface(); } |
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| 212 | |
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| 213 | if(Inside(p) == kSurface) { break; } |
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| 214 | } |
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| 215 | return p; |
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| 216 | } |
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| 217 | |
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| 218 | ////////////////////////////////////////////////////////////////////////// |
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| 219 | // |
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| 220 | // Returns polyhedron for visualization |
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| 221 | |
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| 222 | G4Polyhedron* G4BooleanSolid::GetPolyhedron () const |
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| 223 | { |
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| 224 | if (!fpPolyhedron || |
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| 225 | fpPolyhedron->GetNumberOfRotationStepsAtTimeOfCreation() != |
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| 226 | fpPolyhedron->GetNumberOfRotationSteps()) |
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| 227 | { |
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| 228 | delete fpPolyhedron; |
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| 229 | fpPolyhedron = CreatePolyhedron(); |
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| 230 | } |
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| 231 | return fpPolyhedron; |
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| 232 | } |
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