[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: G4DisplacedSolid.cc,v 1.27 2006/06/29 18:43:41 gunter Exp $ |
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| 28 | // GEANT4 tag $Name: $ |
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| 29 | // |
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| 30 | // Implementation for G4DisplacedSolid class for 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 | // 28.10.98 V.Grichine: created |
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| 36 | // 14.11.99 V.Grichine: modifications in CalculateExtent(...) method |
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| 37 | // 22.11.00 V.Grichine: new set methods for matrix/vectors |
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| 38 | // |
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| 39 | // -------------------------------------------------------------------- |
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| 40 | |
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| 41 | #include "G4DisplacedSolid.hh" |
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| 42 | |
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| 43 | #include "G4VoxelLimits.hh" |
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| 44 | |
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| 45 | #include "G4VPVParameterisation.hh" |
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| 46 | |
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| 47 | #include "G4VGraphicsScene.hh" |
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| 48 | #include "G4Polyhedron.hh" |
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| 49 | #include "G4NURBS.hh" |
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| 50 | // #include "G4NURBSbox.hh" |
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| 51 | |
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| 52 | //////////////////////////////////////////////////////////////// |
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| 53 | // |
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| 54 | // Constructor for transformation like rotation of frame then translation |
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| 55 | // in new frame. It is similar to 1st constractor in G4PVPlacement |
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| 56 | |
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| 57 | G4DisplacedSolid::G4DisplacedSolid( const G4String& pName, |
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| 58 | G4VSolid* pSolid , |
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| 59 | G4RotationMatrix* rotMatrix, |
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| 60 | const G4ThreeVector& transVector ) |
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| 61 | : G4VSolid(pName), fpPolyhedron(0) |
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| 62 | { |
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| 63 | fPtrSolid = pSolid ; |
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| 64 | fPtrTransform = new G4AffineTransform(rotMatrix,transVector) ; |
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| 65 | fPtrTransform->Invert() ; |
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| 66 | fDirectTransform = new G4AffineTransform(rotMatrix,transVector) ; |
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| 67 | } |
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| 68 | |
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| 69 | ///////////////////////////////////////////////////////////////////////////////// |
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| 70 | // |
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| 71 | // Constructor |
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| 72 | |
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| 73 | G4DisplacedSolid::G4DisplacedSolid( const G4String& pName, |
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| 74 | G4VSolid* pSolid , |
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| 75 | const G4Transform3D& transform ) |
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| 76 | : G4VSolid(pName), fpPolyhedron(0) |
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| 77 | { |
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| 78 | fPtrSolid = pSolid ; |
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| 79 | fDirectTransform = new G4AffineTransform(transform.getRotation().inverse(), |
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| 80 | transform.getTranslation()) ; |
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| 81 | |
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| 82 | fPtrTransform = new G4AffineTransform(transform.getRotation().inverse(), |
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| 83 | transform.getTranslation()) ; |
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| 84 | fPtrTransform->Invert() ; |
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| 85 | } |
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| 86 | |
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| 87 | /////////////////////////////////////////////////////////////////// |
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| 88 | // |
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| 89 | // Constructor for use with creation of Transient object |
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| 90 | // from Persistent object |
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| 91 | |
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| 92 | G4DisplacedSolid::G4DisplacedSolid( const G4String& pName, |
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| 93 | G4VSolid* pSolid , |
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| 94 | const G4AffineTransform directTransform ) |
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| 95 | : G4VSolid(pName), fpPolyhedron(0) |
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| 96 | { |
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| 97 | fPtrSolid = pSolid ; |
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| 98 | fDirectTransform = new G4AffineTransform( directTransform ); |
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| 99 | fPtrTransform = new G4AffineTransform( directTransform.Inverse() ) ; |
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| 100 | } |
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| 101 | |
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| 102 | /////////////////////////////////////////////////////////////////// |
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| 103 | // |
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| 104 | // Fake default constructor - sets only member data and allocates memory |
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| 105 | // for usage restricted to object persistency. |
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| 106 | |
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| 107 | G4DisplacedSolid::G4DisplacedSolid( __void__& a ) |
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| 108 | : G4VSolid(a), fPtrSolid(0), fPtrTransform(0), |
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| 109 | fDirectTransform(0), fpPolyhedron(0) |
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| 110 | { |
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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 | // Destructor |
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| 116 | |
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| 117 | G4DisplacedSolid::~G4DisplacedSolid() |
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| 118 | { |
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| 119 | CleanTransformations(); |
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| 120 | delete fpPolyhedron; |
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| 121 | } |
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| 122 | |
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| 123 | G4GeometryType G4DisplacedSolid::GetEntityType() const |
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| 124 | { |
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| 125 | return G4String("G4DisplacedSolid"); |
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| 126 | } |
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| 127 | |
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| 128 | void G4DisplacedSolid::CleanTransformations() |
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| 129 | { |
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| 130 | if(fPtrTransform) |
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| 131 | { |
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| 132 | delete fPtrTransform; fPtrTransform=0; |
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| 133 | delete fDirectTransform; fDirectTransform=0; |
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| 134 | } |
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| 135 | } |
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| 136 | |
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| 137 | const G4DisplacedSolid* G4DisplacedSolid::GetDisplacedSolidPtr() const |
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| 138 | { |
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| 139 | return this; |
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| 140 | } |
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| 141 | |
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| 142 | G4DisplacedSolid* G4DisplacedSolid::GetDisplacedSolidPtr() |
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| 143 | { |
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| 144 | return this; |
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| 145 | } |
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| 146 | |
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| 147 | G4VSolid* G4DisplacedSolid::GetConstituentMovedSolid() const |
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| 148 | { |
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| 149 | return fPtrSolid; |
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| 150 | } |
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| 151 | |
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| 152 | ///////////////////////////////////////////////////////////////////////////// |
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| 153 | |
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| 154 | G4AffineTransform G4DisplacedSolid::GetTransform() const |
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| 155 | { |
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| 156 | G4AffineTransform aTransform = *fPtrTransform; |
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| 157 | return aTransform; |
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| 158 | } |
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| 159 | |
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| 160 | void G4DisplacedSolid::SetTransform(G4AffineTransform& transform) |
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| 161 | { |
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| 162 | fPtrTransform = &transform ; |
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| 163 | fpPolyhedron = 0; |
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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 | G4AffineTransform G4DisplacedSolid::GetDirectTransform() const |
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| 169 | { |
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| 170 | G4AffineTransform aTransform= *fDirectTransform; |
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| 171 | return aTransform; |
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| 172 | } |
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| 173 | |
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| 174 | void G4DisplacedSolid::SetDirectTransform(G4AffineTransform& transform) |
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| 175 | { |
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| 176 | fDirectTransform = &transform ; |
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| 177 | fpPolyhedron = 0; |
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| 178 | } |
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| 179 | |
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| 180 | ///////////////////////////////////////////////////////////////////////////// |
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| 181 | |
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| 182 | G4RotationMatrix G4DisplacedSolid::GetFrameRotation() const |
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| 183 | { |
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| 184 | G4RotationMatrix InvRotation= fDirectTransform->NetRotation(); |
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| 185 | return InvRotation; |
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| 186 | } |
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| 187 | |
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| 188 | void G4DisplacedSolid::SetFrameRotation(const G4RotationMatrix& matrix) |
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| 189 | { |
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| 190 | fDirectTransform->SetNetRotation(matrix); |
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| 191 | fpPolyhedron = 0; |
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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 | G4ThreeVector G4DisplacedSolid::GetFrameTranslation() const |
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| 197 | { |
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| 198 | return fPtrTransform->NetTranslation(); |
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| 199 | } |
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| 200 | |
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| 201 | void G4DisplacedSolid::SetFrameTranslation(const G4ThreeVector& vector) |
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| 202 | { |
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| 203 | fPtrTransform->SetNetTranslation(vector); |
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| 204 | fpPolyhedron = 0; |
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| 205 | } |
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| 206 | |
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| 207 | /////////////////////////////////////////////////////////////// |
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| 208 | |
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| 209 | G4RotationMatrix G4DisplacedSolid::GetObjectRotation() const |
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| 210 | { |
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| 211 | G4RotationMatrix Rotation= fPtrTransform->NetRotation(); |
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| 212 | return Rotation; |
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| 213 | } |
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| 214 | |
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| 215 | void G4DisplacedSolid::SetObjectRotation(const G4RotationMatrix& matrix) |
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| 216 | { |
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| 217 | fPtrTransform->SetNetRotation(matrix); |
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| 218 | fpPolyhedron = 0; |
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| 219 | } |
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| 220 | |
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| 221 | /////////////////////////////////////////////////////////////////////// |
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| 222 | |
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| 223 | G4ThreeVector G4DisplacedSolid::GetObjectTranslation() const |
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| 224 | { |
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| 225 | return fDirectTransform->NetTranslation(); |
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| 226 | } |
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| 227 | |
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| 228 | void G4DisplacedSolid::SetObjectTranslation(const G4ThreeVector& vector) |
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| 229 | { |
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| 230 | fDirectTransform->SetNetTranslation(vector); |
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| 231 | fpPolyhedron = 0; |
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| 232 | } |
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| 233 | |
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| 234 | /////////////////////////////////////////////////////////////// |
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| 235 | // |
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| 236 | // |
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| 237 | |
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| 238 | G4bool |
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| 239 | G4DisplacedSolid::CalculateExtent( const EAxis pAxis, |
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| 240 | const G4VoxelLimits& pVoxelLimit, |
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| 241 | const G4AffineTransform& pTransform, |
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| 242 | G4double& pMin, |
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| 243 | G4double& pMax ) const |
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| 244 | { |
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| 245 | G4AffineTransform sumTransform ; |
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| 246 | sumTransform.Product(*fDirectTransform,pTransform) ; |
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| 247 | return fPtrSolid->CalculateExtent(pAxis,pVoxelLimit,sumTransform,pMin,pMax) ; |
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| 248 | } |
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| 249 | |
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| 250 | ///////////////////////////////////////////////////// |
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| 251 | // |
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| 252 | // |
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| 253 | |
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| 254 | EInside G4DisplacedSolid::Inside(const G4ThreeVector& p) const |
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| 255 | { |
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| 256 | G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ; |
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| 257 | return fPtrSolid->Inside(newPoint) ; |
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| 258 | } |
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| 259 | |
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| 260 | ////////////////////////////////////////////////////////////// |
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| 261 | // |
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| 262 | // |
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| 263 | |
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| 264 | G4ThreeVector |
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| 265 | G4DisplacedSolid::SurfaceNormal( const G4ThreeVector& p ) const |
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| 266 | { |
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| 267 | G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ; |
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| 268 | G4ThreeVector normal = fPtrSolid->SurfaceNormal(newPoint) ; |
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| 269 | return fDirectTransform->TransformAxis(normal) ; |
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| 270 | } |
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| 271 | |
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| 272 | ///////////////////////////////////////////////////////////// |
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| 273 | // |
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| 274 | // The same algorithm as in DistanceToIn(p) |
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| 275 | |
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| 276 | G4double |
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| 277 | G4DisplacedSolid::DistanceToIn( const G4ThreeVector& p, |
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| 278 | const G4ThreeVector& v ) const |
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| 279 | { |
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| 280 | G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ; |
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| 281 | G4ThreeVector newDirection = fPtrTransform->TransformAxis(v) ; |
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| 282 | return fPtrSolid->DistanceToIn(newPoint,newDirection) ; |
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| 283 | } |
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| 284 | |
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| 285 | //////////////////////////////////////////////////////// |
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| 286 | // |
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| 287 | // Approximate nearest distance from the point p to the intersection of |
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| 288 | // two solids |
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| 289 | |
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| 290 | G4double |
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| 291 | G4DisplacedSolid::DistanceToIn( const G4ThreeVector& p ) const |
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| 292 | { |
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| 293 | G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ; |
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| 294 | return fPtrSolid->DistanceToIn(newPoint) ; |
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| 295 | } |
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| 296 | |
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| 297 | ////////////////////////////////////////////////////////// |
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| 298 | // |
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| 299 | // The same algorithm as DistanceToOut(p) |
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| 300 | |
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| 301 | G4double |
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| 302 | G4DisplacedSolid::DistanceToOut( const G4ThreeVector& p, |
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| 303 | const G4ThreeVector& v, |
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| 304 | const G4bool calcNorm, |
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| 305 | G4bool *validNorm, |
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| 306 | G4ThreeVector *n ) const |
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| 307 | { |
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| 308 | G4ThreeVector solNorm ; |
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| 309 | G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ; |
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| 310 | G4ThreeVector newDirection = fPtrTransform->TransformAxis(v) ; |
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| 311 | G4double dist = fPtrSolid->DistanceToOut(newPoint,newDirection, |
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| 312 | calcNorm,validNorm,&solNorm) ; |
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| 313 | if(calcNorm) |
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| 314 | { |
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| 315 | *n = fDirectTransform->TransformAxis(solNorm) ; |
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| 316 | } |
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| 317 | return dist ; |
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| 318 | } |
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| 319 | |
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| 320 | ////////////////////////////////////////////////////////////// |
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| 321 | // |
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| 322 | // Inverted algorithm of DistanceToIn(p) |
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| 323 | |
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| 324 | G4double |
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| 325 | G4DisplacedSolid::DistanceToOut( const G4ThreeVector& p ) const |
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| 326 | { |
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| 327 | G4ThreeVector newPoint = fPtrTransform->TransformPoint(p) ; |
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| 328 | return fPtrSolid->DistanceToOut(newPoint) ; |
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| 329 | } |
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| 330 | |
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| 331 | ////////////////////////////////////////////////////////////// |
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| 332 | // |
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| 333 | // |
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| 334 | |
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| 335 | void |
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| 336 | G4DisplacedSolid::ComputeDimensions( G4VPVParameterisation*, |
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| 337 | const G4int, |
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| 338 | const G4VPhysicalVolume* ) |
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| 339 | { |
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| 340 | DumpInfo(); |
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| 341 | G4Exception("G4DisplacedSolid::ComputeDimensions()", |
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| 342 | "NotApplicable", FatalException, |
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| 343 | "Method not applicable in this context!"); |
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| 344 | } |
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| 345 | |
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| 346 | ////////////////////////////////////////////////////////////////////////// |
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| 347 | // |
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| 348 | // Returns a point (G4ThreeVector) randomly and uniformly selected |
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| 349 | // on the solid surface |
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| 350 | // |
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| 351 | |
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| 352 | G4ThreeVector G4DisplacedSolid::GetPointOnSurface() const |
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| 353 | { |
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| 354 | G4ThreeVector p = fPtrSolid->GetPointOnSurface(); |
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| 355 | return fDirectTransform->TransformPoint(p); |
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| 356 | } |
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| 357 | |
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| 358 | ////////////////////////////////////////////////////////////////////////// |
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| 359 | // |
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| 360 | // Stream object contents to an output stream |
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| 361 | |
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| 362 | std::ostream& G4DisplacedSolid::StreamInfo(std::ostream& os) const |
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| 363 | { |
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| 364 | os << "-----------------------------------------------------------\n" |
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| 365 | << " *** Dump for Displaced solid - " << GetName() << " ***\n" |
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| 366 | << " ===================================================\n" |
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| 367 | << " Solid type: " << GetEntityType() << "\n" |
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| 368 | << " Parameters of constituent solid: \n" |
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| 369 | << "===========================================================\n"; |
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| 370 | fPtrSolid->StreamInfo(os); |
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| 371 | os << "===========================================================\n" |
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| 372 | << " Transformations: \n" |
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| 373 | << " Direct transformation - translation : \n" |
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| 374 | << " " << fDirectTransform->NetTranslation() << "\n" |
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| 375 | << " - rotation : \n" |
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| 376 | << " "; |
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| 377 | fDirectTransform->NetRotation().print(os); |
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| 378 | os << "\n" |
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| 379 | << "===========================================================\n"; |
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| 380 | |
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| 381 | return os; |
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| 382 | } |
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| 383 | |
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| 384 | ////////////////////////////////////////////////////////////////////////// |
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| 385 | // |
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| 386 | // |
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| 387 | |
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| 388 | void |
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| 389 | G4DisplacedSolid::DescribeYourselfTo ( G4VGraphicsScene& scene ) const |
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| 390 | { |
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| 391 | scene.AddSolid (*this); |
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| 392 | } |
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| 393 | |
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| 394 | ////////////////////////////////////////////////////////////////////////// |
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| 395 | // |
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| 396 | // |
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| 397 | |
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| 398 | G4Polyhedron* |
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| 399 | G4DisplacedSolid::CreatePolyhedron () const |
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| 400 | { |
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| 401 | G4Polyhedron* polyhedron = fPtrSolid->CreatePolyhedron(); |
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| 402 | polyhedron |
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| 403 | ->Transform(G4Transform3D(GetObjectRotation(),GetObjectTranslation())); |
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| 404 | return polyhedron; |
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| 405 | } |
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| 406 | |
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| 407 | ////////////////////////////////////////////////////////////////////////// |
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| 408 | // |
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| 409 | // |
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| 410 | |
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| 411 | G4NURBS* |
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| 412 | G4DisplacedSolid::CreateNURBS () const |
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| 413 | { |
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| 414 | // Take into account local transformation - see CreatePolyhedron. |
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| 415 | // return fPtrSolid->CreateNURBS() ; |
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| 416 | return 0; |
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| 417 | } |
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| 418 | |
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| 419 | ////////////////////////////////////////////////////////////////////////// |
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| 420 | // |
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| 421 | // |
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| 422 | |
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| 423 | G4Polyhedron* G4DisplacedSolid::GetPolyhedron () const |
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| 424 | { |
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| 425 | if (!fpPolyhedron || |
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| 426 | fpPolyhedron->GetNumberOfRotationStepsAtTimeOfCreation() != |
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| 427 | fpPolyhedron->GetNumberOfRotationSteps()) |
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| 428 | { |
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| 429 | delete fpPolyhedron; |
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| 430 | fpPolyhedron = CreatePolyhedron(); |
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| 431 | } |
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| 432 | return fpPolyhedron; |
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| 433 | } |
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