G4CircularCurve.hh

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00026 //
00027 // $Id$
00028 //
00029 // ----------------------------------------------------------------------
00030 // Class G4CircularCurve
00031 //
00032 // Class description:
00033 // 
00034 // Definition of a generic circle.
00035 
00036 // Authors: J.Sulkimo, P.Urban.
00037 // Revisions by: L.Broglia, G.Cosmo.
00038 // ----------------------------------------------------------------------
00039 #ifndef __CIRCULARCURVE_H
00040 #define __CIRCULARCURVE_H 
00041 
00042 #include "G4Conic.hh"
00043 
00044 class G4CircularCurve : public G4Conic
00045 {
00046 
00047 public: // with description
00048 
00049   G4CircularCurve();
00050   virtual ~G4CircularCurve();
00051     // Constructor & destructor.
00052 
00053   G4CircularCurve(const G4CircularCurve& right);
00054   G4CircularCurve& operator=(const G4CircularCurve& right);
00055     // Copy-constructor and assignment operator.
00056 
00057   virtual G4Curve* Project(const G4Transform3D& tr= G4Transform3D::Identity);
00058     // Project along trasformation tr.
00059 
00060   virtual G4bool Tangent(G4CurvePoint& cp, G4Vector3D& v);
00061     // Tangent computed from the 3D point representation as for all conics.
00062  
00063   virtual G4double GetPMax() const;
00064   virtual G4Point3D GetPoint(G4double param) const;
00065   virtual G4double GetPPoint(const G4Point3D& p) const;
00066   inline G4double GetRadius() const;
00067     // Accessors for the geometric data.
00068 
00069   void Init(const G4Axis2Placement3D& position0, G4double radius0);
00070     // Initialises geometric data.
00071 
00072 public: // without description
00073 
00074   // virtual void IntersectRay2D(const G4Ray& ray, G4CurveRayIntersection& is);
00075   virtual G4int IntersectRay2D(const G4Ray& ray);
00076   
00077 protected:  // with description
00078 
00079   virtual void InitBounded();
00080     // Compute bounding box.
00081 
00082 private:
00083 
00084   G4double radius;
00085     // Geometric data.
00086 
00087 };
00088 
00089 #include "G4CircularCurve.icc"
00090 
00091 #endif

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