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ConstField.h
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1 /* Copyright 2008-2010, Technische Universitaet Muenchen,
2  Authors: Christian Hoeppner & Sebastian Neubert & Johannes Rauch
3 
4  This file is part of GENFIT.
5 
6  GENFIT is free software: you can redistribute it and/or modify
7  it under the terms of the GNU Lesser General Public License as published
8  by the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10 
11  GENFIT is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  GNU Lesser General Public License for more details.
15 
16  You should have received a copy of the GNU Lesser General Public License
17  along with GENFIT. If not, see <http://www.gnu.org/licenses/>.
18 */
23 #ifndef genfit_ConstField_h
24 #define genfit_ConstField_h
25 
26 #include "AbsBField.h"
27 
28 
29 namespace genfit {
30 
37 class ConstField : public AbsBField {
38  public:
40  ConstField(double b1, double b2, double b3)
41  : field_(b1, b2, b3)
42  { ; }
43 
44  ConstField(const TVector3& field)
45  : field_(field)
46  { ; }
47 
49  TVector3 get(const TVector3& pos) const;
50  void get(const double& posX, const double& posY, const double& posZ, double& Bx, double& By, double& Bz) const;
51 
52  private:
53  TVector3 field_;
54 };
55 
56 } /* End of namespace genfit */
59 #endif // genfit_ConstField_h