Gabriele Cosmo
94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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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 *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4Line.hh,v 1.7 2001/07/11 09:59:35 gunter Exp $
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// GEANT4 tag $Name: geant4-05-01 $
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//
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// ----------------------------------------------------------------------
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// Class G4Line
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//
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// Class description:
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//
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// Definition of a generic line.
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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 __LINE_H
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#define __LINE_H
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#include "G4Curve.hh"
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class G4Line : public G4Curve
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{
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public: // with description
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G4Line();
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virtual ~G4Line();
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// Constructor & destructor.
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G4Line(const G4Line& orig);
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G4Line& operator=(const G4Line& right);
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// Copy constructor and assignment operator.
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G4Curve* Project(const G4Transform3D& tr=G4Transform3D::Identity);
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// Transforms and projects the line.
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G4bool Tangent(G4CurvePoint& cp, G4Vector3D& vec);
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// Returns tangent to line 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& pt) const;
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// Accessors methods.
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inline G4Point3D GetPnt() const;
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inline G4Vector3D GetDir() const;
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inline void Init(const G4Point3D& pnt0, const G4Vector3D& dir0);
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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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protected:
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inline void InitBounded();
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private:
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// geometric data
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G4Point3D pnt;
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G4Vector3D dir;
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G4Vector3D invDir; // dir / |dir|^2 always
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G4Vector3D v; // dir / |dir| always
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};
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#include "G4Line.icc"
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#endif
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