G4ErrorSurfaceTarget.hh

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// $Id$
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//
// --------------------------------------------------------------------
//      GEANT 4 class header file 
// --------------------------------------------------------------------
//
// Class Description:
//
// Base class for G4ErrorTarget classes that are surfaces.

// History:
// - Created. P. Arce, September 2004
// --------------------------------------------------------------------

#ifndef G4ErrorSurfaceTarget_hh
#define G4ErrorSurfaceTarget_hh

#include "globals.hh"
#include "G4ThreeVector.hh"
#include "G4ErrorTanPlaneTarget.hh"
#include "G4Plane3D.hh"

class G4ErrorSurfaceTarget : public G4ErrorTanPlaneTarget
{
  public:  // with description

    G4ErrorSurfaceTarget();
    virtual ~G4ErrorSurfaceTarget();

    virtual double GetDistanceFromPoint( const G4ThreeVector& point,
                                         const G4ThreeVector& direc ) const = 0;
      // Distance from a point to the surface in a given direction

    virtual double GetDistanceFromPoint( const G4ThreeVector& point ) const = 0;
      // Minimal distance from a point to the surface in any direction

    virtual G4Plane3D GetTangentPlane( const G4ThreeVector& point ) const = 0;
      // Get tangent plane at point

    virtual void Dump( const G4String& msg ) const = 0;
      // Dump surface
};

#endif