ConstantBField.h

#ifndef GEAR_ConstantBField_h
#define GEAR_ConstantBField_h 

#include "gear/BField.h"
#include "gearimpl/GearParametersImpl.h"

namespace gear {

class ConstantBField : public GearParametersImpl , public BField {
protected:      
    Vector3D _b ;
public:         

    ConstantBField(Vector3D b) : _b(b) {} 

    virtual ~ConstantBField() { /* nop */; }

      //extends GearParameters {
  virtual Vector3D at(Vector3D /*point*/) const { return _b ; }
}; // class
} // namespace gear
#endif /* ifndef GEAR_BFIELD_H */