| 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 and of QinetiQ Ltd, *
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| 20 | // * subject to DEFCON 705 IPR conditions. *
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| 21 | // * By using, copying, modifying or distributing the software (or *
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| 22 | // * any work based on the software) you agree to acknowledge its *
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| 23 | // * use in resulting scientific publications, and indicate your *
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| 24 | // * acceptance of all terms of the Geant4 Software license. *
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| 25 | // ********************************************************************
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| 26 | //
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| 27 | // $Id: G4TessellatedSolid.hh,v 1.10 2007/12/10 16:30:13 gunter Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-04-beta-01 $
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| 29 | //
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| 30 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| 31 | //
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| 32 | // MODULE: G4TessellatedSolid.hh
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| 33 | //
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| 34 | // Date: 15/06/2005
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| 35 | // Author: P R Truscott
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| 36 | // Organisation: QinetiQ Ltd, UK
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| 37 | // Customer: UK Ministry of Defence : RAO CRP TD Electronic Systems
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| 38 | // Contract: C/MAT/N03517
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| 39 | //
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| 40 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| 41 | //
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| 42 | // CHANGE HISTORY
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| 43 | // --------------
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| 44 | // 22 November 2005, F Lei,
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| 45 | // - Added GetPolyhedron()
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| 46 | //
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| 47 | // 31 October 2004, P R Truscott, QinetiQ Ltd, UK
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| 48 | // - Created.
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| 49 | //
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| 50 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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| 51 | //
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| 52 | // Class description:
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| 53 | //
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| 54 | // G4TessellatedSolid is a special Geant4 solid defined by a number of
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| 55 | // facets (G4VFacet). It is important that the supplied facets shall form a
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| 56 | // fully enclose space which is the solid.
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| 57 | // At the moment only two types of facet can be used for the construction of
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| 58 | // a G4TessellatedSolid, i.e. the G4TriangularFacet and G4QuadrangularFacet.
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| 59 | //
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| 60 | // How to contruct a G4TessellatedSolid:
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| 61 | //
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| 62 | // First declare a tessellated solid:
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| 63 | //
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| 64 | // G4TessellatedSolid* solidTarget = new G4TessellatedSolid("Solid_name");
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| 65 | //
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| 66 | // Define the facets which form the solid
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| 67 | //
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| 68 | // G4double targetSiz = 10*cm ;
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| 69 | // G4TriangularFacet *facet1 = new
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| 70 | // G4TriangularFacet (G4ThreeVector(-targetSize,-targetSize, 0.0),
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| 71 | // G4ThreeVector(+targetSize,-targetSize, 0.0),
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| 72 | // G4ThreeVector( 0.0, 0.0,+targetSize),
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| 73 | // ABSOLUTE);
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| 74 | // G4TriangularFacet *facet2 = new
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| 75 | // G4TriangularFacet (G4ThreeVector(+targetSize,-targetSize, 0.0),
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| 76 | // G4ThreeVector(+targetSize,+targetSize, 0.0),
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| 77 | // G4ThreeVector( 0.0, 0.0,+targetSize),
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| 78 | // ABSOLUTE);
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| 79 | // G4TriangularFacet *facet3 = new
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| 80 | // G4TriangularFacet (G4ThreeVector(+targetSize,+targetSize, 0.0),
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| 81 | // G4ThreeVector(-targetSize,+targetSize, 0.0),
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| 82 | // G4ThreeVector( 0.0, 0.0,+targetSize),
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| 83 | // ABSOLUTE);
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| 84 | // G4TriangularFacet *facet4 = new
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| 85 | // G4TriangularFacet (G4ThreeVector(-targetSize,+targetSize, 0.0),
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| 86 | // G4ThreeVector(-targetSize,-targetSize, 0.0),
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| 87 | // G4ThreeVector( 0.0, 0.0,+targetSize),
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| 88 | // ABSOLUTE);
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| 89 | // G4QuadrangularFacet *facet5 = new
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| 90 | // G4QuadrangularFacet (G4ThreeVector(-targetSize,-targetSize, 0.0),
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| 91 | // G4ThreeVector(-targetSize,+targetSize, 0.0),
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| 92 | // G4ThreeVector(+targetSize,+targetSize, 0.0),
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| 93 | // G4ThreeVector(+targetSize,-targetSize, 0.0),
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| 94 | // ABSOLUTE);
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| 95 | //
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| 96 | // Then add the facets to the solid:
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| 97 | //
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| 98 | // solidTarget->AddFacet((G4VFacet*) facet1);
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| 99 | // solidTarget->AddFacet((G4VFacet*) facet2);
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| 100 | // solidTarget->AddFacet((G4VFacet*) facet3);
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| 101 | // solidTarget->AddFacet((G4VFacet*) facet4);
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| 102 | // solidTarget->AddFacet((G4VFacet*) facet5);
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| 103 | //
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| 104 | // Finally declare the solid is complete:
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| 105 | //
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| 106 | // solidTarget->SetSolidClosed(true);
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| 107 | //
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| 108 | ///////////////////////////////////////////////////////////////////////////////
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| 109 | #ifndef G4TessellatedSolid_hh
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| 110 | #define G4TessellatedSolid_hh 1
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| 111 |
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| 112 | #include "G4VSolid.hh"
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| 113 | #include "G4VFacet.hh"
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| 114 | #include "G4VGraphicsScene.hh"
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| 115 | #include "G4VPVParameterisation.hh"
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| 116 | #include "G4VPhysicalVolume.hh"
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| 117 | #include "G4VoxelLimits.hh"
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| 118 | #include "G4AffineTransform.hh"
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| 119 | #include "G4VisExtent.hh"
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| 120 | #include "globals.hh"
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| 121 |
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| 122 | #include <iostream>
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| 123 | #include <vector>
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| 124 | #include <set>
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| 125 | #include <map>
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| 126 |
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| 127 | class G4TessellatedSolid : public G4VSolid
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| 128 | {
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| 129 | public: // with description
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| 130 |
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| 131 | G4TessellatedSolid ();
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| 132 | G4TessellatedSolid (const G4String &name);
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| 133 | virtual ~G4TessellatedSolid ();
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| 134 |
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| 135 | G4TessellatedSolid (const G4TessellatedSolid &s);
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| 136 | const G4TessellatedSolid &operator= (const G4TessellatedSolid &s);
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| 137 | const G4TessellatedSolid &operator+= (const G4TessellatedSolid &right);
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| 138 |
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| 139 | G4bool AddFacet (G4VFacet *aFacet);
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| 140 | G4VFacet *GetFacet (size_t i) const;
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| 141 | size_t GetNumberOfFacets () const;
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| 142 |
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| 143 | virtual G4double GetCubicVolume ();
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| 144 | virtual G4double GetSurfaceArea ();
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| 145 |
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| 146 | //
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| 147 | // virtual void ComputeDimensions (G4VPVParameterisation* p, const G4int n,
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| 148 | // const G4VPhysicalVolume* pRep) const;
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| 149 |
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| 150 | virtual EInside Inside (const G4ThreeVector &p) const;
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| 151 | void SetRandomVectorSet ();
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| 152 | virtual G4ThreeVector SurfaceNormal (const G4ThreeVector &p) const;
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| 153 | virtual G4double DistanceToIn(const G4ThreeVector &p,
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| 154 | const G4ThreeVector &v) const;
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| 155 | virtual G4double DistanceToIn(const G4ThreeVector &p) const;
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| 156 | virtual G4double DistanceToOut(const G4ThreeVector &p,
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| 157 | const G4ThreeVector &v,
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| 158 | const G4bool calcNorm=false,
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| 159 | G4bool *validNorm=0, G4ThreeVector *n=0) const;
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| 160 | virtual G4double DistanceToOut (const G4ThreeVector &p) const;
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| 161 | virtual G4GeometryType GetEntityType () const;
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| 162 |
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| 163 | void SetSolidClosed (const G4bool t);
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| 164 | G4bool GetSolidClosed () const;
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| 165 |
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| 166 | virtual G4ThreeVector GetPointOnSurface() const;
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| 167 |
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| 168 | virtual G4bool CalculateExtent(const EAxis pAxis,
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| 169 | const G4VoxelLimits& pVoxelLimit,
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| 170 | const G4AffineTransform& pTransform,
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| 171 | G4double& pMin, G4double& pMax) const;
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| 172 |
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| 173 | virtual std::ostream &StreamInfo(std::ostream &os) const;
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| 174 |
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| 175 | // Functions for visualization
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| 176 |
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| 177 | virtual void DescribeYourselfTo (G4VGraphicsScene& scene) const;
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| 178 | virtual G4VisExtent GetExtent () const;
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| 179 |
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| 180 | G4double GetMinXExtent () const;
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| 181 | G4double GetMaxXExtent () const;
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| 182 | G4double GetMinYExtent () const;
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| 183 | G4double GetMaxYExtent () const;
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| 184 | G4double GetMinZExtent () const;
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| 185 | G4double GetMaxZExtent () const;
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| 186 |
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| 187 | virtual G4Polyhedron* CreatePolyhedron () const;
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| 188 | virtual G4Polyhedron* GetPolyhedron () const;
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| 189 | virtual G4NURBS* CreateNURBS () const;
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| 190 |
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| 191 | public: // without description
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| 192 |
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| 193 | G4TessellatedSolid(__void__&);
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| 194 | // Fake default constructor for usage restricted to direct object
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| 195 | // persistency for clients requiring preallocation of memory for
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| 196 | // persistifiable objects.
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| 197 |
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| 198 | protected: // with description
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| 199 |
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| 200 | void DeleteObjects ();
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| 201 | void CopyObjects (const G4TessellatedSolid &s);
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| 202 | G4ThreeVectorList*
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| 203 | CreateRotatedVertices(const G4AffineTransform& pTransform) const;
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| 204 | // Create the List of transformed vertices in the format required
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| 205 | // for G4VSolid:: ClipCrossSection and ClipBetweenSections.
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| 206 |
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| 207 | private:
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| 208 |
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| 209 | mutable G4Polyhedron* fpPolyhedron;
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| 210 |
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| 211 | std::vector<G4VFacet *> facets;
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| 212 | std::set<G4VFacet *> extremeFacets; // Does all other facets lie
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| 213 | // on or behind this surface?
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| 214 | G4GeometryType geometryType;
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| 215 | G4double cubicVolume;
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| 216 | G4double surfaceArea;
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| 217 | G4ThreeVectorList vertexList;
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| 218 | G4double xMinExtent;
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| 219 | G4double xMaxExtent;
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| 220 | G4double yMinExtent;
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| 221 | G4double yMaxExtent;
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| 222 | G4double zMinExtent;
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| 223 | G4double zMaxExtent;
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| 224 | G4bool solidClosed;
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| 225 |
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| 226 | G4double dirTolerance;
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| 227 | G4ThreeVector randir[20];
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| 228 | G4int maxTries;
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| 229 | };
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| 230 |
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| 231 | #endif
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