| 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: G4BREPSolidPCone.hh,v 1.14 2006/06/29 18:37:57 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 | // Class G4BREPSolidPCone
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| 32 | //
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| 33 | // Class description:
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| 34 | //
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| 35 | // The polyconical solid G4BREPSolidPCone is a shape defined by a set of
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| 36 | // inner and outer conical or cylindrical surface sections and two planes
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| 37 | // perpendicular to the Z axis. Each conical surface is defined by its
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| 38 | // radius at two different planes perpendicular to the Z-axis. Inner and
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| 39 | // outer conical surfaces are defined using common Z planes:
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| 40 | //
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| 41 | // G4BREPSolidPCone( const G4String& name,
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| 42 | // G4double start_angle,
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| 43 | // G4double opening_angle,
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| 44 | // G4int num_z_planes,
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| 45 | // G4double z_start,
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| 46 | // G4double z_values[],
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| 47 | // G4double RMIN[],
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| 48 | // G4double RMAX[] )
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| 49 |
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| 50 | // Authors: J.Sulkimo, P.Urban.
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| 51 | // Revisions by: L.Broglia, S.Giani, G.Cosmo.
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| 52 | // ----------------------------------------------------------------------
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| 53 | #ifndef __G4BREPSolidPCone
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| 54 | #define __G4BREPSolidPCone
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| 55 |
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| 56 | #include "G4BREPSolid.hh"
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| 57 |
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| 58 | class G4BREPSolidPCone : public G4BREPSolid
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| 59 | {
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| 60 |
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| 61 | public: // with description
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| 62 |
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| 63 | G4BREPSolidPCone( const G4String& name,
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| 64 | G4double start_angle,
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| 65 | G4double opening_angle,
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| 66 | G4int num_z_planes, // sections
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| 67 | G4double z_start,
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| 68 | G4double z_values[],
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| 69 | G4double RMIN[],
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| 70 | G4double RMAX[] );
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| 71 | // Constructor defining the polycone through its
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| 72 | // conical/cylindrical surfaces.
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| 73 |
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| 74 | ~G4BREPSolidPCone();
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| 75 | // Destructor.
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| 76 |
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| 77 | void Initialize();
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| 78 | // Calculates the bounding box.
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| 79 |
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| 80 | EInside Inside(register const G4ThreeVector& Pt) const;
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| 81 | // Determines if the point Pt is inside, outside or on the surface
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| 82 | // of the solid.
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| 83 |
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| 84 | G4ThreeVector SurfaceNormal(const G4ThreeVector&) const;
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| 85 | // Calculates the normal of the surface at a point on the surface
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| 86 | // The sense of the normal depends on the sense of the surface.
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| 87 |
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| 88 | G4double DistanceToIn(const G4ThreeVector&) const;
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| 89 | // Calculates the shortest distance ("safety") from a point
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| 90 | // outside the solid to any boundary of this solid.
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| 91 | // Return 0 if the point is already inside.
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| 92 |
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| 93 | G4double DistanceToIn(register const G4ThreeVector& Pt,
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| 94 | register const G4ThreeVector& V) const;
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| 95 | // Calculates the distance from a point Pt outside the solid
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| 96 | // to the solid's boundary along a specified direction vector V.
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| 97 | // Note: Intersections with boundaries less than the tolerance must
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| 98 | // be ignored if the direction is away from the boundary.
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| 99 |
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| 100 | G4double DistanceToOut(register const G4ThreeVector& Pt,
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| 101 | register const G4ThreeVector& V,
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| 102 | const G4bool calcNorm=false,
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| 103 | G4bool *validNorm=0, G4ThreeVector *n=0) const;
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| 104 | // Calculates the distance from a point inside the solid to the solid`s
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| 105 | // boundary along a specified direction vector.
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| 106 | // Return 0 if the point is already outside.
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| 107 | // Note: If the shortest distance to a boundary is less than the
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| 108 | // tolerance, it is ignored. This allows for a point within a
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| 109 | // tolerant boundary to leave immediately.
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| 110 |
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| 111 | G4double DistanceToOut(const G4ThreeVector&) const;
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| 112 | // Calculates the shortest distance ("safety") from a point inside the
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| 113 | // solid to any boundary of this solid.
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| 114 | // Return 0 if the point is already outside.
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| 115 |
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| 116 | public:
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| 117 |
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| 118 | void Reset() const;
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| 119 | // Resets all distance attributes.
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| 120 |
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| 121 | G4Polyhedron* CreatePolyhedron () const;
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| 122 | // Creates a G4Polyhedron
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| 123 |
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| 124 | virtual std::ostream& StreamInfo(std::ostream& os) const;
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| 125 | // Streams solid contents to output stream.
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| 126 |
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| 127 | public: // without description
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| 128 |
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| 129 | G4BREPSolidPCone(__void__&);
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| 130 | // Fake default constructor for usage restricted to direct object
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| 131 | // persistency for clients requiring preallocation of memory for
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| 132 | // persistifiable objects.
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| 133 |
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| 134 | private:
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| 135 |
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| 136 | G4Surface* ComputePlanarSurface( G4double r1, G4double r2,
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| 137 | G4ThreeVector& origin,
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| 138 | G4ThreeVector& planeAxis,
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| 139 | G4ThreeVector& planeDirection,
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| 140 | G4int surfSense );
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| 141 | // For a given radius values compute a planar surface
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| 142 |
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| 143 | G4BREPSolidPCone(const G4BREPSolidPCone&);
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| 144 | G4BREPSolidPCone& operator=(const G4BREPSolidPCone&);
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| 145 | // Private copy constructor and assignment operator.
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| 146 |
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| 147 | // The following is only utilised in storing the shape parameters for
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| 148 | // use in visualising this shape. J.A. Feb 24, 1997
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| 149 | // R. Chytracek, Nov 2002, Update to new IO dumping mechanism
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| 150 |
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| 151 | struct G4BREPPConeParams
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| 152 | {
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| 153 | G4double start_angle;
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| 154 | G4double opening_angle;
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| 155 | G4int num_z_planes;
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| 156 | G4double z_start;
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| 157 | G4double* z_values;
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| 158 | G4double* RMIN;
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| 159 | G4double* RMAX;
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| 160 | } constructorParams;
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| 161 | };
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| 162 |
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| 163 | #endif
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