File indexing completed on 2024-04-06 12:31:34
0001 #ifndef TransverseImpactPointExtrapolator_h_
0002 #define TransverseImpactPointExtrapolator_h_
0003
0004 #include "TrackingTools/GeomPropagators/interface/Propagator.h"
0005 #include "DataFormats/GeometryVector/interface/GlobalPoint.h"
0006 #include "DataFormats/GeometryVector/interface/GlobalVector.h"
0007 #include "DataFormats/GeometryCommonDetAlgo/interface/DeepCopyPointerByClone.h"
0008 #include "MagneticField/Engine/interface/MagneticField.h"
0009
0010 class FreeTrajectoryState;
0011 class TrajectoryStateOnSurface;
0012 class Plane;
0013 template <class T>
0014 class ReferenceCountingPointer;
0015
0016
0017
0018
0019
0020
0021
0022
0023
0024
0025
0026 class TransverseImpactPointExtrapolator {
0027 public:
0028
0029 TransverseImpactPointExtrapolator();
0030
0031
0032 TransverseImpactPointExtrapolator(const MagneticField* field);
0033
0034 TransverseImpactPointExtrapolator(const Propagator& u);
0035
0036
0037 TrajectoryStateOnSurface extrapolate(const FreeTrajectoryState& fts, const GlobalPoint& vtx) const;
0038
0039 TrajectoryStateOnSurface extrapolate(const TrajectoryStateOnSurface tsos, const GlobalPoint& vtx) const;
0040
0041
0042 TrajectoryStateOnSurface extrapolate(const FreeTrajectoryState& fts,
0043 const GlobalPoint& vtx,
0044 const Propagator& u) const;
0045
0046 TrajectoryStateOnSurface extrapolate(const TrajectoryStateOnSurface tsos,
0047 const GlobalPoint& vtx,
0048 const Propagator& u) const;
0049
0050 private:
0051
0052 TrajectoryStateOnSurface doExtrapolation(const TrajectoryStateOnSurface tsos,
0053 const GlobalPoint& vtx,
0054 const Propagator& u) const;
0055
0056 TrajectoryStateOnSurface doExtrapolation(const FreeTrajectoryState& fts,
0057 const GlobalPoint& vtx,
0058 const Propagator& u) const;
0059
0060 ReferenceCountingPointer<Plane> tipSurface(const GlobalPoint& position,
0061 const GlobalVector& momentum,
0062 const double& signedTransverseRadius,
0063 const GlobalPoint& vtx) const;
0064
0065 private:
0066 DeepCopyPointerByClone<Propagator> thePropagator;
0067 };
0068
0069 #endif