[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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[850] | 27 | // $Id: G4Polyhedra.hh,v 1.20 2008/05/15 13:45:15 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 | // |
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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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