G4GeomTestPoint.hh

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// $Id$
//
// --------------------------------------------------------------------
// GEANT 4 class header file
//
// G4GeomTestPoint
//
// Class description:
//
// A point on a line segment intersecting a solid, used
// for geometry tests

// Author: D.C.Williams, UCSC (davidw@scipp.ucsc.edu)
// --------------------------------------------------------------------
#ifndef G4GeomTestPoint_hh
#define G4GeomTestPoint_hh

#include "G4Types.hh"
#include "G4ThreeVector.hh"

class G4VSolid;

class G4GeomTestPoint
{
  public:  // with description

    G4GeomTestPoint();
    G4GeomTestPoint( const G4GeomTestPoint &other );
    G4GeomTestPoint( const G4ThreeVector &thePoint,
                           G4double theS,
                           G4bool isEntering );
    virtual ~G4GeomTestPoint();
      // Constructors and virtual destructor

    G4GeomTestPoint& operator=(const G4GeomTestPoint& other);
    G4bool operator==( const G4GeomTestPoint &other ) const;
    G4bool operator< ( const G4GeomTestPoint &other ) const;
    G4bool operator<=( const G4GeomTestPoint &other ) const;
      // Operators

    virtual const G4ThreeVector &GetPosition() const;
    virtual G4double GetDistance() const;
    virtual G4bool Entering() const;
      // Accessors
  
  protected:

    G4ThreeVector p;
    G4double s;      
    G4bool entering;
};

#endif

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