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 G4Hyperbola 00031 // 00032 // Class description: 00033 // 00034 // Definition of a generic hyperbola. 00035 00036 // Authors: J.Sulkimo, P.Urban. 00037 // Revisions by: L.Broglia, G.Cosmo. 00038 // ---------------------------------------------------------------------- 00039 #ifndef __HYPERBOLICCURVE_H 00040 #define __HYPERBOLICCURVE_H 00041 00042 #include "G4Conic.hh" 00043 00044 class G4Hyperbola : public G4Conic 00045 { 00046 00047 public: // with description 00048 00049 G4Hyperbola(); 00050 virtual ~G4Hyperbola(); 00051 // Constructor & destructor. 00052 00053 G4Hyperbola(const G4Hyperbola& right); 00054 G4Hyperbola& operator=(const G4Hyperbola& right); 00055 // Copy constructor and assignment operator. 00056 00057 G4Curve* Project(const G4Transform3D& tr= G4Transform3D::Identity); 00058 // Transforms and projects the curve. 00059 00060 G4bool Tangent(G4CurvePoint& cp, G4Vector3D& v); 00061 // Returns tangent to curve at a given point, if existing. 00062 // The tangent is computed from the 3D point representation. 00063 00064 inline G4double GetPMax() const; 00065 inline G4Point3D GetPoint(G4double param) const; 00066 inline G4double GetPPoint(const G4Point3D& p) const; 00067 // Accessors methods. 00068 00069 inline G4double GetSemiAxis() const; 00070 inline G4double GetSemiImagAxis() const; 00071 inline void Init(const G4Axis2Placement3D& position0, 00072 G4double semiAxis0, G4double semiImagAxis0); 00073 // Get/Set for the geometric data. 00074 00075 public: // without description 00076 00077 inline G4int IntersectRay2D(const G4Ray& ray); 00078 00079 //void IntersectRay2D(const G4Ray& ray, G4CurveRayIntersection& is); 00080 //G4Hyperbola(G4Point3d, G4Point3d, G4Point3d, 00081 // G4Point3d, G4double, G4double ); 00082 //G4Point3d EvaluateByParameterValue(G4double u); 00083 //G4Point3d GetBoundMax(); 00084 //G4Point3d GetBoundMin(); 00085 00086 protected: 00087 00088 void InitBounded(); 00089 00090 private: 00091 00092 G4int Inside(const G4Point3D&, const G4Ray&); 00093 00094 private: 00095 00096 G4Point3D Focus1; 00097 G4Point3D Focus2; 00098 G4Point3D ProjFocus1; 00099 G4Point3D ProjFocus2; 00100 00101 // geometric data 00102 G4double semiAxis; 00103 G4double semiImagAxis; 00104 00105 G4double ratioAxisImagAxis; 00106 00107 G4Transform3D toUnitHyperbola; 00108 00109 G4double forTangent; 00110 // R_1^2/R_2^2 00111 }; 00112 00113 #include "G4Hyperbola.icc" 00114 00115 #endif