InnerDeltaPhi.h

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#ifndef InnerDeltaPhi_H
#define InnerDeltaPhi_H

#include "FWCore/Framework/interface/EventSetup.h"

#include "RecoTracker/TkTrackingRegions/interface/TrackingRegion.h"
#include "RecoTracker/TkMSParametrization/interface/MultipleScatteringParametrisation.h"

#include "FWCore/Utilities/interface/Visibility.h"
#include "FWCore/Utilities/interface/Likely.h"



class DetLayer;
template<class T> class PixelRecoRange;

#include "DataFormats/GeometryVector/interface/Basic2DVector.h"

class dso_hidden InnerDeltaPhi {
public:

  typedef Basic2DVector<float> Point2D;

  InnerDeltaPhi( const DetLayer& outlayer,const DetLayer& layer,
                 const TrackingRegion & region,
                 const edm::EventSetup& iSetup,
                 bool precise = true,
                 float extraTolerance = 0.f);


  bool prefilter( float xHit, float yHit) const {
   return xHit*xHit + yHit*yHit > theRLayer*theRLayer;
  }

  PixelRecoRange<float> operator()( float xHit, float yHit, float zHit, float errRPhi) const {
    return phiRange( Point2D(xHit,yHit), zHit, errRPhi); 
  }

private:

  bool innerIsBarrel;
  bool outerIsBarrel;
  bool thePrecise;
  int ol;

  float theROrigin;
  float theRLayer;
  float theThickness;
  float theScatt0;
  float theDeltaScatt;

  float theRCurvature;
  float theExtraTolerance;
  float theA;
  float theB;

  float theVtxZ;
  float thePtMin;

  Point2D theVtx;


  MultipleScatteringParametrisation sigma;


private:

  void initBarrelLayer( const DetLayer& layer);
  void initForwardLayer( const DetLayer& layer, float zMinOrigin, float zMaxOrigin);
  void initBarrelMS(const DetLayer& outLayer);
  void initForwardMS(const DetLayer& outLayer);

  PixelRecoRange<float> phiRange( const Point2D & hitXY, float zHit, float errRPhi) const;

};

#endif