/data/refman/pasoursint/CMSSW_5_3_3/src/RecoMuon/GlobalTrackingTools/interface/DirectTrackerNavigation.h

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#ifndef RecoMuon_GlobalTrackingTools_DirectTrackerNavigation_H
#define RecoMuon_GlobalTrackingTools_DirectTrackerNavigation_H

#include "FWCore/Framework/interface/ESHandle.h"
#include "RecoTracker/TkDetLayers/interface/GeometricSearchTracker.h"

class DetLayer;
class BarrelDetLayer;
class ForwardDetLayer;
class FreeTrajectoryState;

//              ---------------------
//              -- Class Interface --
//              ---------------------

class DirectTrackerNavigation {

  public:

    DirectTrackerNavigation(const edm::ESHandle<GeometricSearchTracker>&, 
                            bool outOnly = true);

    virtual ~DirectTrackerNavigation() {}

    DirectTrackerNavigation* clone() const {
      return new DirectTrackerNavigation(*this);
    }

    std::vector<const DetLayer*> 
      compatibleLayers(const FreeTrajectoryState& fts, 
                       PropagationDirection timeDirection) const;

  private:

    void inOutTOB(const FreeTrajectoryState&, std::vector<const DetLayer*>&) const;

    void inOutTIB(const FreeTrajectoryState&, std::vector<const DetLayer*>&) const;

    void inOutPx(const FreeTrajectoryState&, std::vector<const DetLayer*>&) const;

    void inOutFTEC(const FreeTrajectoryState&, std::vector<const DetLayer*>&) const;

    void inOutFTID(const FreeTrajectoryState&, std::vector<const DetLayer*>&) const;

    void inOutFPx(const FreeTrajectoryState&, std::vector<const DetLayer*>&) const;

    void inOutBTEC(const FreeTrajectoryState&, std::vector<const DetLayer*>&) const;

    void inOutBTID(const FreeTrajectoryState&, std::vector<const DetLayer*>&) const;

    void inOutBPx(const FreeTrajectoryState&, std::vector<const DetLayer*>&) const;

    bool checkCompatible(const FreeTrajectoryState&, const BarrelDetLayer*) const;

    bool checkCompatible(const FreeTrajectoryState&, const ForwardDetLayer*) const;

    bool outward(const FreeTrajectoryState&) const;

    float calculateEta(float r, float z) const;

  private:

    edm::ESHandle<GeometricSearchTracker> theGeometricSearchTracker;

    bool theOutLayerOnlyFlag;

    float theEpsilon;

};
#endif