Gabriele Cosmo
85 lines
2.1 KiB
C++
85 lines
2.1 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: G4Parabola.hh,v 1.7 2000/11/08 14:22:03 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 G4Parabola
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//
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// Class description:
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//
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// Definition of a generic parabola.
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// Authors: J.Sulkimo, P.Urban.
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// Revisions by: L.Broglia, G.Cosmo.
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// ----------------------------------------------------------------------
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#ifndef __PARABOLICCURVE_H
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#define __PARABOLICCURVE_H
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#include "G4Conic.hh"
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class G4Parabola : public G4Conic
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{
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public: // with description
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G4Parabola();
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virtual ~G4Parabola();
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// Constructor & destructor.
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G4Parabola(const G4Parabola& right);
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G4Parabola& operator=(const G4Parabola& right);
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// Copy constructor and assignment operator.
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G4Curve* Project(const G4Transform3D& tr=
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G4Transform3D::Identity);
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// Transforms and projects the curve.
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G4bool Tangent(G4CurvePoint& cp, G4Vector3D& v);
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// Returns tangent to curve at a given point, if existing.
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// The tangent is computed from the 3D point representation.
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inline G4double GetPMax() const;
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inline G4Point3D GetPoint(G4double param) const;
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inline G4double GetPPoint(const G4Point3D& p) const;
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// Accessors methods.
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inline G4double GetFocalDist() const;
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inline void Init(const G4Axis2Placement3D& position0, G4double focalDist0);
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// Get/Set for the geometric data.
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public: // without description
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inline G4int IntersectRay2D(const G4Ray& ray);
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// void IntersectRay2D(const G4Ray& ray, G4CurveRayIntersection& is);
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// G4Parabola(G4Point3d, G4Point3d, G4double );
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// G4Point3d EvaluateByParameterValue(G4double u);
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// G4Point3d GetBoundMax();
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// G4Point3d GetBoundMin();
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protected:
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void InitBounded();
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private:
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// geometric data
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G4double focalDist;
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// for the intersection
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G4Point3D F;
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G4Point3D L0;
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};
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#include "G4Parabola.icc"
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#endif
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