35#ifndef G4ErrorSurfaceTarget_hh
36#define G4ErrorSurfaceTarget_hh
virtual double GetDistanceFromPoint(const G4ThreeVector &point, const G4ThreeVector &direc) const =0
virtual void Dump(const G4String &msg) const =0
virtual G4Plane3D GetTangentPlane(const G4ThreeVector &point) const =0
virtual ~G4ErrorSurfaceTarget()
virtual double GetDistanceFromPoint(const G4ThreeVector &point) const =0