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geant4/source/geometry/management/include/G4ErrorPlaneSurfaceTarget.hh
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//
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//
// $Id: G4ErrorPlaneSurfaceTarget.hh,v 1.1 2007/05/16 12:50:52 gcosmo Exp $
// GEANT4 tag $Name: geant4-09-01 $
//
//
// --------------------------------------------------------------------
// GEANT 4 class header file
// --------------------------------------------------------------------
//
// Class Description:
//
// G4ErrorTarget class: limits step when track reaches a plane surface.
// History:
// - Created. P. Arce, September 2004
// --------------------------------------------------------------------
#ifndef G4ErrorPlaneSurfaceTarget_hh
#define G4ErrorPlaneSurfaceTarget_hh
#include "globals.hh"
#include "G4ErrorSurfaceTarget.hh"
#include "G4ThreeVector.hh"
#include "G4Plane3D.hh"
class G4ErrorPlaneSurfaceTarget : public G4ErrorSurfaceTarget, G4Plane3D
{
public: // with description
G4ErrorPlaneSurfaceTarget(G4double a=0, G4double b=0,
G4double c=0, G4double d=0);
// Constructs plane by parameters: ax+by+cz+d = 0
G4ErrorPlaneSurfaceTarget(const G4Normal3D &n,
const G4Point3D &p);
// Constructs plane by point and normal
G4ErrorPlaneSurfaceTarget(const G4Point3D &p1,
const G4Point3D &p2,
const G4Point3D &p3);
// Constructs plane by three points
~G4ErrorPlaneSurfaceTarget();
virtual G4ThreeVector Intersect( const G4ThreeVector& point,
const G4ThreeVector& direc ) const;
// Intersects the surface with the line given by point and direction
virtual G4double GetDistanceFromPoint( const G4ThreeVector& point,
const G4ThreeVector& direc ) const;
// Distance from point to surface in a given direction
virtual G4double GetDistanceFromPoint( const G4ThreeVector& pt ) const;
// Closest distance from point to surface
virtual G4Plane3D GetTangentPlane( const G4ThreeVector& point ) const;
// Get tangent plane as itself
virtual void Dump( const G4String& msg ) const;
// Dump plane surface parameter
};
#endif