Gabriele Cosmo
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4CurveRayIntersection.hh,v 1.3 2000/11/08 14:22:01 gcosmo Exp $
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// GEANT4 tag $Name: geant4-03-00 $
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//
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// ----------------------------------------------------------------------
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// Class G4CurveRayIntersection
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//
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// Class Description:
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//
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// Class capable of storing both the parametric and the non-parametric
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// representation of a intersection point on a curve. It's subclassed
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// from G4CurvePoint.
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// Author: J.Sulkimo, P.Urban.
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// Revisions by: L.Broglia, G.Cosmo.
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// ----------------------------------------------------------------------
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#ifndef included_G4CurveRayIntersection
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#define included_G4CurveRayIntersection
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#include "G4CurvePoint.hh"
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#include "G4Ray.hh"
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class G4CurveRayIntersection : public G4CurvePoint
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{
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public: // with description
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G4CurveRayIntersection();
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// Default constructor. Sets only distance to infinity.
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// Must be followed by Init!
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G4CurveRayIntersection(G4Curve& c0, const G4Ray& r0);
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// Constructor taking a curve and a ray.
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~G4CurveRayIntersection();
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// Empty destructor.
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G4CurveRayIntersection(const G4CurveRayIntersection& cr);
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G4CurveRayIntersection& operator=(const G4CurveRayIntersection& cr);
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// Copy constructor and assignment operator.
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inline void Init(G4Curve& c0, const G4Ray& r0);
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// Initialises a G4CurveRayIntersection. Called by the constructor above.
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inline const G4Ray& GetRay() const;
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// Returns the ray of intersection.
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inline void Reset();
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inline void ResetPPoint(G4double u0);
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inline void Reset(const G4Point3D& p0);
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inline void Reset(G4double u0, const G4Point3D& p0);
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inline void ResetDistance(G4double d0);
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inline void Reset(G4double u0, G4double d0);
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inline void Reset(const G4Point3D& p0, G4double d0);
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inline void Reset(G4double u0, const G4Point3D& p0, G4double d0);
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// Resets point's attributes.
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inline G4double GetPPoint();
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inline const G4Point3D& GetPoint();
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// Returns point as parameter or as point in space.
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inline G4double GetDistance();
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// Returns intersection's distance.
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public: // without description
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// additional functionalities
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inline void Update(G4CurveRayIntersection& is);
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inline void UpdateWithPointOnCurve(G4CurveRayIntersection& is);
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protected:
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// data
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const G4Ray* r;
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G4double d;
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static const G4int dFlag;
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};
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#include "G4CurveRayIntersection.icc"
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#endif
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