UniformEngine/interface/UniformMagneticField.h

0001 #ifndef MagneticField_UniformMagneticField_h
0002 #define MagneticField_UniformMagneticField_h
0003
0004 /** \class UniformMagneticField
0005  *
0006  *  A MagneticField engine that returns a constant programmable field value.
0007  *
0008  *  \author N. Amapane - CERN
0009  */
0010
0011 #include "MagneticField/Engine/interface/MagneticField.h"
0012
0013 class UniformMagneticField final : public MagneticField {
0014 public:
0015   ///Construct passing the Z field component in Tesla
0016   UniformMagneticField(float value) : theField(0.f, 0.f, value) { setNominalValue(); }
0017
0018   UniformMagneticField(GlobalVector value) : theField(value) { setNominalValue(); }
0019
0020   void set(GlobalVector value) { theField = value; }
0021   void set(float value) { set(GlobalVector(0.f, 0.f, value)); }
0022
0023   ~UniformMagneticField() override {}
0024
0025   GlobalVector inTesla(const GlobalPoint&) const override { return theField; }
0026
0027   GlobalVector inTeslaUnchecked(const GlobalPoint& gp) const override { return theField; }
0028
0029   bool isDefined(const GlobalPoint& gp) const override { return true; }
0030
0031 private:
0032   GlobalVector theField;
0033 };
0034
0035 #endif