Go to the documentation of this file.00001 #ifndef TkNavigation_StartingLayerFinder_H_
00002 #define TkNavigation_StartingLayerFinder_H_
00003
00004
00005 #include "FWCore/ParameterSet/interface/ParameterSet.h"
00006 #include "FWCore/Framework/interface/EventSetup.h"
00007 #include "FWCore/Framework/interface/Event.h"
00008
00009
00010 #include "TrackingTools/DetLayers/interface/DetLayer.h"
00011 #include "TrackingTools/DetLayers/interface/BarrelDetLayer.h"
00012 #include "TrackingTools/DetLayers/interface/ForwardDetLayer.h"
00013 #include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
00014 #include "TrackingTools/TrajectoryState/interface/FreeTrajectoryState.h"
00015 #include "TrackingTools/GeomPropagators/interface/Propagator.h"
00016 #include "DataFormats/TrajectorySeed/interface/TrajectorySeedCollection.h"
00017 #include "RecoTracker/MeasurementDet/interface/MeasurementTracker.h"
00018 #include "RecoTracker/TkDetLayers/interface/GeometricSearchTracker.h"
00019
00020 #include <vector>
00021
00027 class PTrajectoryStateOnDet;
00028
00029 class StartingLayerFinder {
00030
00031 private:
00032
00033 typedef FreeTrajectoryState FTS;
00034 typedef TrajectoryStateOnSurface TSOS;
00035 typedef std::pair<float, float> Range;
00036
00037 public:
00038
00039 StartingLayerFinder(const Propagator* aPropagator, const MeasurementTracker* tracker ) :
00040
00041 thePropagator(aPropagator),
00042 theMeasurementTracker(tracker),
00043 thePixelLayersValid(false),
00044 theFirstPixelBarrelLayer(0),
00045 theFirstNegPixelFwdLayer(0),
00046 theFirstPosPixelFwdLayer(0) { }
00047
00048 ~StartingLayerFinder() {}
00049
00050 std::vector<const DetLayer*> startingLayers(const FTS& aFts, float dr, float dz) const;
00051
00052
00053 std::vector<const DetLayer*> startingLayers(const TrajectorySeed& aSeed) const;
00054
00055 const BarrelDetLayer* firstPixelBarrelLayer() const;
00056 const std::vector<ForwardDetLayer*> firstNegPixelFwdLayer() const;
00057 const std::vector<ForwardDetLayer*> firstPosPixelFwdLayer() const;
00058
00059 const Propagator* propagator() const {return thePropagator;}
00060
00061
00062
00063 private:
00064
00065 const Propagator* thePropagator;
00066 const MeasurementTracker* theMeasurementTracker;
00067 mutable bool thePixelLayersValid;
00068 mutable BarrelDetLayer* theFirstPixelBarrelLayer;
00069 mutable std::vector<ForwardDetLayer*> theFirstNegPixelFwdLayer;
00070 mutable std::vector<ForwardDetLayer*> theFirstPosPixelFwdLayer;
00071
00072
00073 void checkPixelLayers() const;
00074
00075
00076
00077 inline bool rangesIntersect( const Range& a, const Range& b) const {
00078 if ( a.first > b.second || b.first > a.second) return false;
00079 else return true;
00080 }
00081
00082
00083
00084
00085 };
00086 #endif //TR_StartingLayerFinder_H_
1.7.3