ConstField.h

/* Copyright 2008-2010, Technische Universitaet Muenchen,
   Authors: Christian Hoeppner & Sebastian Neubert & Johannes Rauch
 
   This file is part of GENFIT.
 
   GENFIT is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published
   by the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
   GENFIT is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.
 
   You should have received a copy of the GNU Lesser General Public License
   along with GENFIT.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef genfit_ConstField_h
#define genfit_ConstField_h
 
#include "AbsBField.h"
 
 
namespace genfit {
 
class ConstField : public AbsBField {
 public:
  ConstField(double b1, double b2, double b3)
    : field_(b1, b2, b3)
  { ; }
 
  ConstField(const TVector3& field)
    : field_(field)
  { ; }
 
  TVector3 get(const TVector3& pos) const;
  void get(const double& posX, const double& posY, const double& posZ, double& Bx, double& By, double& Bz) const;
 
 private:
  TVector3 field_;
};
 
} /* End of namespace genfit */
#endif // genfit_ConstField_h