| 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: G4Cons.hh,v 1.18 2007/05/18 07:38:00 gcosmo Exp $
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| 28 | // GEANT4 tag $Name: HEAD $
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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 | // G4Cons
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| 35 | //
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| 36 | // Class description:
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| 37 | //
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| 38 | // A G4Cons is, in the general case, a Phi segment of a cone, with
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| 39 | // half-length fDz, inner and outer radii specified at -fDz and +fDz.
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| 40 | // The Phi segment is described by a starting fSPhi angle, and the
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| 41 | // +fDPhi delta angle for the shape.
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| 42 | // If the delta angle is >=2*pi, the shape is treated as continuous
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| 43 | // in Phi
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| 44 | //
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| 45 | // Member Data:
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| 46 | //
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| 47 | // fRmin1 inside radius at -fDz
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| 48 | // fRmin2 inside radius at +fDz
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| 49 | // fRmax1 outside radius at -fDz
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| 50 | // fRmax2 outside radius at +fDz
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| 51 | // fDz half length in z
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| 52 | //
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| 53 | // fSPhi starting angle of the segment in radians
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| 54 | // fDPhi delta angle of the segment in radians
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| 55 | //
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| 56 | // Note:
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| 57 | // Internally fSPhi & fDPhi are adjusted so that fDPhi<=2PI,
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| 58 | // and fDPhi+fSPhi<=2PI. This enables simpler comparisons to be
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| 59 | // made with (say) Phi of a point.
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| 60 |
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| 61 | // History:
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| 62 | // 19.3.94 P.Kent: Old C++ code converted to tolerant geometry
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| 63 | // 13.9.96 V.Grichine: Final modifications to commit
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| 64 | // --------------------------------------------------------------------
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| 65 |
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| 66 | #ifndef G4Cons_HH
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| 67 | #define G4Cons_HH
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| 68 |
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| 69 | #include "G4CSGSolid.hh"
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| 70 |
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| 71 | class G4Cons : public G4CSGSolid
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| 72 | {
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| 73 | public: // with description
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| 74 |
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| 75 | G4Cons(const G4String& pName,
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| 76 | G4double pRmin1, G4double pRmax1,
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| 77 | G4double pRmin2, G4double pRmax2,
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| 78 | G4double pDz,
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| 79 | G4double pSPhi, G4double pDPhi);
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| 80 |
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| 81 | virtual ~G4Cons() ;
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| 82 |
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| 83 | // Accessors
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| 84 |
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| 85 | inline G4double GetInnerRadiusMinusZ() const;
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| 86 | inline G4double GetOuterRadiusMinusZ() const;
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| 87 | inline G4double GetInnerRadiusPlusZ() const;
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| 88 | inline G4double GetOuterRadiusPlusZ() const;
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| 89 |
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| 90 | inline G4double GetZHalfLength() const;
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| 91 |
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| 92 | inline G4double GetStartPhiAngle () const;
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| 93 | inline G4double GetDeltaPhiAngle () const;
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| 94 |
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| 95 | // Modifiers
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| 96 |
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| 97 | inline void SetInnerRadiusMinusZ( G4double Rmin1 );
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| 98 | inline void SetOuterRadiusMinusZ( G4double Rmax1 );
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| 99 | inline void SetInnerRadiusPlusZ ( G4double Rmin2 );
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| 100 | inline void SetOuterRadiusPlusZ ( G4double Rmax2 );
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| 101 |
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| 102 | inline void SetZHalfLength ( G4double newDz );
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| 103 | inline void SetStartPhiAngle ( G4double newSPhi);
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| 104 | inline void SetDeltaPhiAngle ( G4double newDPhi);
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| 105 |
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| 106 | // Other methods for solid
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| 107 |
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| 108 | inline G4double GetCubicVolume();
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| 109 | inline G4double GetSurfaceArea();
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| 110 |
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| 111 | void ComputeDimensions(G4VPVParameterisation* p,
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| 112 | const G4int n,
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| 113 | const G4VPhysicalVolume* pRep);
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| 114 |
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| 115 | G4bool CalculateExtent(const EAxis pAxis,
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| 116 | const G4VoxelLimits& pVoxelLimit,
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| 117 | const G4AffineTransform& pTransform,
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| 118 | G4double& pmin, G4double& pmax) const;
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| 119 |
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| 120 | EInside Inside(const G4ThreeVector& p) const;
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| 121 |
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| 122 | G4ThreeVector SurfaceNormal(const G4ThreeVector& p) const;
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| 123 |
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| 124 | G4double DistanceToIn(const G4ThreeVector& p,
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| 125 | const G4ThreeVector& v) const;
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| 126 | G4double DistanceToIn(const G4ThreeVector& p) const;
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| 127 | G4double DistanceToOut(const G4ThreeVector& p,
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| 128 | const G4ThreeVector& v,
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| 129 | const G4bool calcNorm=G4bool(false),
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| 130 | G4bool *validNorm=0,
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| 131 | G4ThreeVector *n=0) const;
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| 132 | G4double DistanceToOut(const G4ThreeVector& p) const;
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| 133 |
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| 134 | G4GeometryType GetEntityType() const;
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| 135 |
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| 136 | G4ThreeVector GetPointOnSurface() const;
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| 137 |
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| 138 | std::ostream& StreamInfo(std::ostream& os) const;
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| 139 |
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| 140 | // Visualisation functions
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| 141 |
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| 142 | void DescribeYourselfTo( G4VGraphicsScene& scene ) const;
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| 143 | G4Polyhedron* CreatePolyhedron() const;
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| 144 | G4NURBS* CreateNURBS() const;
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| 145 |
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| 146 | public: // without description
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| 147 |
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| 148 | G4Cons(__void__&);
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| 149 | // Fake default constructor for usage restricted to direct object
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| 150 | // persistency for clients requiring preallocation of memory for
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| 151 | // persistifiable objects.
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| 152 |
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| 153 | // Old access functions
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| 154 |
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| 155 | inline G4double GetRmin1() const;
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| 156 | inline G4double GetRmax1() const;
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| 157 | inline G4double GetRmin2() const;
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| 158 | inline G4double GetRmax2() const;
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| 159 |
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| 160 | inline G4double GetDz() const;
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| 161 |
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| 162 | inline G4double GetSPhi() const;
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| 163 | inline G4double GetDPhi() const;
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| 164 |
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| 165 | protected:
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| 166 |
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| 167 | G4ThreeVectorList*
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| 168 | CreateRotatedVertices(const G4AffineTransform& pTransform) const;
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| 169 |
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| 170 | // Used by distanceToOut
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| 171 |
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| 172 | enum ESide {kNull,kRMin,kRMax,kSPhi,kEPhi,kPZ,kMZ};
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| 173 |
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| 174 | // used by normal
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| 175 |
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| 176 | enum ENorm {kNRMin,kNRMax,kNSPhi,kNEPhi,kNZ};
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| 177 |
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| 178 | private:
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| 179 |
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| 180 | G4ThreeVector ApproxSurfaceNormal(const G4ThreeVector& p) const;
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| 181 | // Algorithm for SurfaceNormal() following the original
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| 182 | // specification for points not on the surface
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| 183 |
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| 184 | private:
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| 185 |
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| 186 | G4double kRadTolerance, kAngTolerance;
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| 187 |
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| 188 | G4double fRmin1,fRmin2,
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| 189 | fRmax1,fRmax2,
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| 190 | fDz,
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| 191 | fSPhi,fDPhi;
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| 192 | };
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| 193 |
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| 194 | #include "G4Cons.icc"
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| 195 |
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| 196 | #endif
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