00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id$ 00028 // 00029 // ---------------------------------------------------------------------- 00030 // Class G4BREPSolidCone 00031 // 00032 // Class description: 00033 // 00034 // Definition of a generic BREP cone. 00035 // 00036 // G4BREPSolidCone(const G4String& name, 00037 // const G4ThreeVector& origin, 00038 // const G4ThreeVector& axis, 00039 // const G4ThreeVector& direction, 00040 // G4double length, 00041 // G4double radius, 00042 // G4double large_radius) 00043 00044 // Authors: J.Sulkimo, P.Urban. 00045 // Revisions by: L.Broglia, G.Cosmo. 00046 // ---------------------------------------------------------------------- 00047 #ifndef __G4BREPSolidCone 00048 #define __G4BREPSolidCone 00049 00050 #include "G4BREPSolid.hh" 00051 00052 class G4BREPSolidCone : public G4BREPSolid 00053 { 00054 public: // with description 00055 00056 G4BREPSolidCone(const G4String& name, const G4ThreeVector& origin, 00057 const G4ThreeVector& axis, const G4ThreeVector& direction, 00058 G4double length, G4double radius, G4double large_radius); 00059 // Constructor 00060 00061 ~G4BREPSolidCone(); 00062 // Empty destructor. 00063 00064 void Initialize(); 00065 // Computes the bounding box for solids and surfaces. 00066 // Converts concave planes to convex. 00067 00068 EInside Inside(register const G4ThreeVector& Pt) const; 00069 // Determines if the point Pt is inside, outside or on the surface 00070 // of the solid. 00071 00072 G4ThreeVector SurfaceNormal(const G4ThreeVector& p) const; 00073 // Returns the outwards pointing unit normal of the shape for the 00074 // surface closest to the point at offset p. 00075 00076 G4double DistanceToIn(const G4ThreeVector& p) const; 00077 // Calculate the distance to the nearest surface of a shape from an 00078 // outside point p. The distance can be an underestimate. 00079 00080 G4double DistanceToIn(register const G4ThreeVector& p, 00081 register const G4ThreeVector& v) const; 00082 // Returns the distance along the normalised vector v to the shape, 00083 // from the point at offset p. If there is no intersection, returns 00084 // kInfinity. The first intersection resulting from `leaving' a 00085 // surface/volume is discarded. Hence, it is tolerant of points on 00086 // the surface of the shape. 00087 00088 G4double DistanceToOut(register const G4ThreeVector& p, 00089 register const G4ThreeVector& v, 00090 const G4bool calcNorm=false, 00091 G4bool *validNorm=0, G4ThreeVector *n=0) const; 00092 // Returns the distance along the normalised vector v to the shape, 00093 // from a point at an offset p inside or on the surface of the shape. 00094 00095 G4double DistanceToOut(const G4ThreeVector& p) const; 00096 // Calculates the distance to the nearest surface of a shape from an 00097 // inside point. The distance can be an underestimate. 00098 00099 G4VSolid* Clone() const; 00100 // Returns a pointer of a dynamically allocated copy of the solid. 00101 00102 std::ostream& StreamInfo(std::ostream& os) const; 00103 // Streams solid contents to output stream. 00104 00105 public: // without description 00106 00107 G4BREPSolidCone(__void__&); 00108 // Fake default constructor for usage restricted to direct object 00109 // persistency for clients requiring preallocation of memory for 00110 // persistifiable objects. 00111 00112 G4BREPSolidCone(const G4BREPSolidCone& rhs); 00113 G4BREPSolidCone& operator=(const G4BREPSolidCone& rhs); 00114 // Copy constructor and assignment operator. 00115 00116 private: 00117 00118 void InitializeCone(); 00119 00120 private: 00121 00122 struct G4BREPConeParams 00123 { 00124 G4ThreeVector origin; 00125 G4ThreeVector axis; 00126 G4ThreeVector direction; 00127 G4double length; 00128 G4double radius; 00129 G4double large_radius; 00130 } constructorParams; 00131 00132 }; 00133 00134 #endif