MagneticField/include/MagneticFieldSvc/IBesMagFieldSvc.h

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#pragma once
 
#include "CLHEP/Geometry/Point3D.h"
#include "CLHEP/Geometry/Vector3D.h"
#include "GaudiKernel/IInterface.h"
 
// Forward declarations
// template <class TYPE> class SvcFactory;
 
// namespace HepGeom {
//   template <class T> class Vector3D;
//   template <class T> class Point3D;
// } // namespace HepGeom
 
class IBesMagFieldSvc : virtual public IInterface {
 
public:
  DeclareInterfaceID( IBesMagFieldSvc, 1, 0 );
  // Get the magnetic field vector at a given point in space.
  // Input: Point3D - Point at which magnetic field vector is to be given.
  // Output: Vector3D - Magnectic field vector.
  // Return: StatusCode SUCCESS if calculation was performed.
  virtual StatusCode fieldVector( const HepGeom::Point3D<double>& xyz,
                                  HepGeom::Vector3D<double>&      fvec ) const    = 0;
  virtual StatusCode uniFieldVector( const HepGeom::Point3D<double>& xyz,
                                     HepGeom::Vector3D<double>&      fvec ) const = 0;
 
  virtual double getReferField()     = 0;
  virtual bool   ifRealField() const = 0;
};