DebugTools/plugins/FTSFromSimHitFactory.h

0001 #ifndef FTSFromSimHitFactory_H
0002 #define FTSFromSimHitFactory_H
0003
0004 #include "TrackingTools/TrajectoryState/interface/FreeTrajectoryState.h"
0005
0006 class PSimHit;
0007 class GeomDet;
0008 class MagneticField;
0009
0010 /** Produces a FreeTrajectoryState from a SimHit.
0011  * the FreeTrajectoryState position coinsides with the SimHit
0012  * position, and direction, momenta and charge are deduced
0013  * from the SimHit itself, without any access to the SimTrack
0014  * that produced the SimHit.
0015  */
0016
0017 class FTSFromSimHitFactory {
0018 public:
0019   FreeTrajectoryState operator()(const PSimHit& hit, const GeomDet& det, const MagneticField& field) const;
0020
0021 private:
0022   TrackCharge charge(int particleId) const;
0023 };
0024
0025 #endif