| 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: G4Trd.hh,v 1.16 2006/10/19 15:33:37 gcosmo 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 | // GEANT 4 class header file
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| 33 | //
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| 34 | //
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| 35 | // G4Trd
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| 36 | //
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| 37 | // Class description:
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| 38 | //
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| 39 | // A G4Trd is a trapezoid with the x and y dimensions varying along z
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| 40 | // functions:
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| 41 | //
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| 42 | // Member Data:
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| 43 | //
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| 44 | // fDx1 Half-length along x at the surface positioned at -dz
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| 45 | // fDx2 Half-length along x at the surface positioned at +dz
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| 46 | // fDy1 Half-length along y at the surface positioned at -dz
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| 47 | // fDy2 Half-length along y at the surface positioned at +dz
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| 48 | // fDz Half-length along z axis
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| 49 |
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| 50 | // History:
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| 51 | // 12.01.95 P.Kent: Old prototype code converted to thick geometry
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| 52 | // 17.02.95 P.Kent: Exiting normal return
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| 53 | // 19.08.96 P.Kent, V.Grichine: Fs in accordance with G4Box
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| 54 | // 21.04.97 J.Apostolakis: Added Set Methods
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| 55 | // 19.11.99 V.Grichine: kUndefined was added to Eside enum
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| 56 | // --------------------------------------------------------------------
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| 57 |
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| 58 | #ifndef G4TRD_HH
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| 59 | #define G4TRD_HH
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| 60 |
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| 61 | #include "G4CSGSolid.hh"
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| 62 |
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| 63 | class G4Trd : public G4CSGSolid
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| 64 | {
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| 65 | public: // with description
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| 66 |
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| 67 | G4Trd( const G4String& pName,
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| 68 | G4double pdx1, G4double pdx2,
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| 69 | G4double pdy1, G4double pdy2,
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| 70 | G4double pdz );
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| 71 | //
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| 72 | // Constructs a trapezoid with name, and half lengths
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| 73 |
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| 74 | virtual ~G4Trd();
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| 75 | //
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| 76 | // Destructor
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| 77 |
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| 78 | // Accessors
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| 79 |
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| 80 | inline G4double GetXHalfLength1() const;
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| 81 | inline G4double GetXHalfLength2() const;
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| 82 | inline G4double GetYHalfLength1() const;
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| 83 | inline G4double GetYHalfLength2() const;
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| 84 | inline G4double GetZHalfLength() const;
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| 85 |
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| 86 | // Modifiers
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| 87 |
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| 88 | inline void SetXHalfLength1(G4double val);
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| 89 | inline void SetXHalfLength2(G4double val);
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| 90 | inline void SetYHalfLength1(G4double val);
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| 91 | inline void SetYHalfLength2(G4double val);
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| 92 | inline void SetZHalfLength(G4double val);
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| 93 |
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| 94 | // Methods of solid
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| 95 |
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| 96 | inline G4double GetCubicVolume();
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| 97 | inline G4double GetSurfaceArea();
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| 98 |
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| 99 | void ComputeDimensions( G4VPVParameterisation* p,
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| 100 | const G4int n,
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| 101 | const G4VPhysicalVolume* pRep );
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| 102 |
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| 103 | G4bool CalculateExtent( const EAxis pAxis,
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| 104 | const G4VoxelLimits& pVoxelLimit,
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| 105 | const G4AffineTransform& pTransform,
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| 106 | G4double& pMin, G4double& pMax ) const;
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| 107 |
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| 108 | EInside Inside( const G4ThreeVector& p ) const;
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| 109 |
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| 110 | G4ThreeVector SurfaceNormal( const G4ThreeVector& p ) const;
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| 111 |
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| 112 | G4double DistanceToIn( const G4ThreeVector& p,
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| 113 | const G4ThreeVector& v ) const;
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| 114 |
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| 115 | G4double DistanceToIn( const G4ThreeVector& p ) const;
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| 116 |
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| 117 | G4double DistanceToOut( const G4ThreeVector& p,
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| 118 | const G4ThreeVector& v,
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| 119 | const G4bool calcNorm=false,
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| 120 | G4bool *validNorm=0,
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| 121 | G4ThreeVector *n=0 ) const;
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| 122 |
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| 123 | G4double DistanceToOut( const G4ThreeVector& p ) const;
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| 124 |
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| 125 | void CheckAndSetAllParameters ( G4double pdx1, G4double pdx2,
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| 126 | G4double pdy1, G4double pdy2,
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| 127 | G4double pdz );
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| 128 |
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| 129 | void SetAllParameters ( G4double pdx1, G4double pdx2,
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| 130 | G4double pdy1, G4double pdy2,
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| 131 | G4double pdz );
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| 132 |
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| 133 | G4GeometryType GetEntityType() const;
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| 134 |
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| 135 | G4ThreeVector GetPointOnSurface() const;
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| 136 |
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| 137 | std::ostream& StreamInfo( std::ostream& os ) const;
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| 138 |
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| 139 | // Visualisation functions
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| 140 |
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| 141 | void DescribeYourselfTo (G4VGraphicsScene& scene) const;
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| 142 | G4Polyhedron* CreatePolyhedron () const;
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| 143 | G4NURBS* CreateNURBS () const;
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| 144 |
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| 145 | public: // without description
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| 146 |
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| 147 | G4Trd(__void__&);
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| 148 | // Fake default constructor for usage restricted to direct object
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| 149 | // persistency for clients requiring preallocation of memory for
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| 150 | // persistifiable objects.
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| 151 |
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| 152 | protected: // without description
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| 153 |
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| 154 | G4ThreeVectorList*
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| 155 | CreateRotatedVertices( const G4AffineTransform& pTransform ) const;
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| 156 | //
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| 157 | // Creates the List of transformed vertices in the format required
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| 158 | // for G4CSGSolid:: ClipCrossSection and ClipBetweenSections
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| 159 |
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| 160 | G4double fDx1,fDx2,fDy1,fDy2,fDz;
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| 161 |
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| 162 | // Codes for faces (kPX=plus x face,kMY= minus y face etc)
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| 163 |
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| 164 | enum ESide {kUndefined, kPX,kMX,kPY,kMY,kPZ,kMZ};
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| 165 |
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| 166 | private:
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| 167 |
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| 168 | G4ThreeVector ApproxSurfaceNormal( const G4ThreeVector& p ) const;
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| 169 | // Algorithm for SurfaceNormal() following the original
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| 170 | // specification for points not on the surface
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| 171 | };
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| 172 |
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| 173 | #include "G4Trd.icc"
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| 174 |
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| 175 | #endif
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