34#ifndef G4ERRORSURFACETARGET_HH 
   35#define G4ERRORSURFACETARGET_HH 1 
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()=default
virtual double GetDistanceFromPoint(const G4ThreeVector &point) const =0