TrackingRecHitLessFromGlobalPosition.h

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#ifndef DataFormats_TrackerRecHit2D_TrackingRecHitLessFromGlobalPosition_H
#define DataFormats_TrackerRecHit2D_TrackingRecHitLessFromGlobalPosition_H
 
#include "DataFormats/TrajectorySeed/interface/PropagationDirection.h"
#include "Geometry/CommonDetUnit/interface/GeomDet.h"
#include <functional>
#include "Geometry/CommonDetUnit/interface/TrackingGeometry.h"
#include "DataFormats/TrackingRecHit/interface/TrackingRecHit.h"
class TrackingRecHitLessFromGlobalPosition {
public:
  TrackingRecHitLessFromGlobalPosition(const TrackingGeometry* geometry_, PropagationDirection dir = alongMomentum)
      : geometry(geometry_), theDir(dir) {}
 
  bool operator()(const TrackingRecHit& a, const TrackingRecHit& b) const {
    if (theDir == alongMomentum)
      return insideOutLess(a, b);
    else
      return insideOutLess(b, a);
  }
 
private:
  bool insideOutLess(const TrackingRecHit& a, const TrackingRecHit& b) const;
 
  bool barrelForwardLess(const TrackingRecHit& a, const TrackingRecHit& b) const;
 
  const TrackingGeometry* geometry;
  PropagationDirection theDir;
};
#endif