G4ErrorTanPlaneTarget.hh

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// $Id$
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//
// ------------------------------------------------------------
//      GEANT 4 class header file 
// ------------------------------------------------------------
//
// Class Description:
//
// Base class for G4ErrorTarget classes for which a tangent plane is defined.

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

#ifndef G4ErrorTanPlaneTarget_hh
#define G4ErrorTanPlaneTarget_hh

#include "globals.hh"
#include "G4ThreeVector.hh"
#include "G4ErrorTarget.hh"
#include "G4Plane3D.hh"

class G4ErrorTanPlaneTarget : public G4ErrorTarget
{

  public:  // with description

    G4ErrorTanPlaneTarget();
    virtual ~G4ErrorTanPlaneTarget();

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

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

};

#endif

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