| 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: G4Paraboloid.hh,v 1.4 2008/01/22 17:42:09 tnikitin Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-03 $
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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 | // G4Paraboloid
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| 35 | //
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| 36 | // Class description:
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| 37 | //
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| 38 | // A G4Paraboloid represents a solid with parabolic profile with possible
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| 39 | // cuts along the Z axis.
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| 40 | //
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| 41 | // Member Data:
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| 42 | //
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| 43 | // dz z half lenght
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| 44 | // r1 radius at -dz
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| 45 | // r2 radius at dz
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| 46 | // r2 > r1
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| 47 | //
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| 48 | // Equation for the solid:
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| 49 | // rho^2 <= k1 * z + k2;
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| 50 | // -dz <= z <= dz
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| 51 | // r1^2 = k1 * (-dz) + k2
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| 52 | // r2^2 = k1 * ( dz) + k2
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| 53 |
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| 54 | // History:
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| 55 | // -------
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| 56 | // 10.07.2007 L.Lindroos (CERN) - First implementation
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| 57 | // --------------------------------------------------------------------
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| 58 | #ifndef G4Paraboloid_HH
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| 59 | #define G4Paraboloid_HH
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| 60 |
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| 61 | #include "G4VSolid.hh"
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| 62 |
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| 63 | class G4Paraboloid : public G4VSolid
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| 64 | {
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| 65 | public: // with description
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| 66 |
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| 67 | G4Paraboloid(const G4String& pName,
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| 68 | G4double pDz,
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| 69 | G4double pR1,
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| 70 | G4double pR2);
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| 71 |
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| 72 | virtual ~G4Paraboloid();
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| 73 |
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| 74 | // Access functions
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| 75 |
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| 76 | inline G4double GetZHalfLength() const;
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| 77 | inline G4double GetRadiusMinusZ() const;
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| 78 | inline G4double GetRadiusPlusZ() const;
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| 79 |
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| 80 | inline G4double GetCubicVolume();
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| 81 | inline G4double GetSurfaceArea();
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| 82 | inline G4double CalculateSurfaceArea() const;
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| 83 |
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| 84 | // Modifiers functions
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| 85 |
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| 86 | inline void SetZHalfLength(G4double dz);
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| 87 | inline void SetRadiusMinusZ(G4double R1);
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| 88 | inline void SetRadiusPlusZ(G4double R2);
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| 89 |
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| 90 | // Solid standard methods
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| 91 |
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| 92 | //void ComputeDimensions( G4VPVParamerisation p,
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| 93 | // const G4Int n,
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| 94 | // const G4VPhysicalVolume* pRep );
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| 95 | G4bool CalculateExtent(const EAxis pAxis,
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| 96 | const G4VoxelLimits& pVoxelLimit,
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| 97 | const G4AffineTransform& pTransform,
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| 98 | G4double& pmin, G4double& pmax) const;
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| 99 | EInside Inside(const G4ThreeVector& p) const;
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| 100 | G4ThreeVector SurfaceNormal( const G4ThreeVector& p) const;
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| 101 | G4double DistanceToIn(const G4ThreeVector& p,
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| 102 | const G4ThreeVector& v) const;
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| 103 | G4double DistanceToIn(const G4ThreeVector& p) const;
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| 104 | G4double DistanceToOut(const G4ThreeVector& p,
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| 105 | const G4ThreeVector& v,
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| 106 | const G4bool calcNorm=G4bool(false),
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| 107 | G4bool *validNorm=0,
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| 108 | G4ThreeVector *n=0) const;
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| 109 | G4double DistanceToOut(const G4ThreeVector& p) const;
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| 110 |
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| 111 | G4GeometryType GetEntityType() const;
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| 112 |
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| 113 | std::ostream& StreamInfo(std::ostream& os) const;
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| 114 |
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| 115 | G4ThreeVector GetPointOnSurface() const;
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| 116 |
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| 117 | // Visualisation functions
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| 118 |
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| 119 | void DescribeYourselfTo(G4VGraphicsScene& scene) const;
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| 120 | G4Polyhedron* CreatePolyhedron() const;
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| 121 | G4Polyhedron* GetPolyhedron () const;
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| 122 | G4NURBS* CreateNURBS() const;
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| 123 |
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| 124 | public: // without description
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| 125 |
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| 126 | G4Paraboloid(__void__&);
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| 127 | // Fake default constructor for usage restricted to direct object
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| 128 | // persistency for clients requiring preallocation of memory for
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| 129 | // persistifiable objects.
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| 130 |
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| 131 | protected: // without description
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| 132 |
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| 133 | mutable G4Polyhedron* fpPolyhedron;
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| 134 |
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| 135 | private:
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| 136 |
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| 137 | G4ThreeVectorList*
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| 138 | CreateRotatedVertices(const G4AffineTransform& pTransform,
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| 139 | G4int& noPolygonVertices) const;
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| 140 | // Making this mutable to allow GetPointOnSurface to have access to
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| 141 | // area function.
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| 142 | mutable G4double fSurfaceArea;
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| 143 | G4double fCubicVolume;
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| 144 |
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| 145 | G4double dz, r1, r2;
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| 146 | G4double k1, k2;
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| 147 | // Defined to make some calculations easier to follow
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| 148 | };
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| 149 |
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| 150 | #include "G4Paraboloid.icc"
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| 151 |
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| 152 | #endif
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