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#ifndef DataFormats_GEMRecHit_H
#define DataFormats_GEMRecHit_H
/** \class GEMRecHit
*
* RecHit for GEM
*
* \author M. Maggi -- INFN Bari
*/
#include "DataFormats/TrackingRecHit/interface/RecHit2DLocalPos.h"
#include "DataFormats/MuonDetId/interface/GEMDetId.h"
class GEMRecHit : public RecHit2DLocalPos {
public:
GEMRecHit(const GEMDetId& gemId, int bx);
/// Default constructor
GEMRecHit();
/// Constructor from a local position, gemId and digi time.
/// The 3-dimensional local error is defined as
/// resolution (the cell resolution) for the coordinate being measured
/// and 0 for the two other coordinates
GEMRecHit(const GEMDetId& gemId, int bx, const LocalPoint& pos);
/// Constructor from a local position and error, gemId and bx.
GEMRecHit(const GEMDetId& gemId, int bx, const LocalPoint& pos, const LocalError& err);
/// Constructor from a local position and error, gemId, bx, frist strip of cluster and cluster size.
GEMRecHit(const GEMDetId& gemId, int bx, int firstStrip, int clustSize, const LocalPoint& pos, const LocalError& err);
/// Destructor
~GEMRecHit() override;
/// Return the 3-dimensional local position
LocalPoint localPosition() const override { return theLocalPosition; }
/// Return the 3-dimensional error on the local position
LocalError localPositionError() const override { return theLocalError; }
GEMRecHit* clone() const override;
/// Access to component RecHits.
/// No components rechits: it returns a null vector
std::vector<const TrackingRecHit*> recHits() const override;
/// Non-const access to component RecHits.
/// No components rechits: it returns a null vector
std::vector<TrackingRecHit*> recHits() override;
/// Set local position
void setPosition(LocalPoint pos) { theLocalPosition = pos; }
/// Set local position error
void setError(LocalError err) { theLocalError = err; }
/// Set the local position and its error
void setPositionAndError(LocalPoint pos, LocalError err) {
theLocalPosition = pos;
theLocalError = err;
}
/// Return the gemId
GEMDetId gemId() const { return theGEMId; }
int BunchX() const { return theBx; }
int firstClusterStrip() const { return theFirstStrip; }
int clusterSize() const { return theClusterSize; }
/// Comparison operator, based on the gemId and the digi time
bool operator==(const GEMRecHit& hit) const;
private:
GEMDetId theGEMId;
int theBx;
int theFirstStrip;
int theClusterSize;
// Position and error in the Local Ref. Frame of the GEMLayer
LocalPoint theLocalPosition;
LocalError theLocalError;
};
#endif
/// The ostream operator
std::ostream& operator<<(std::ostream& os, const GEMRecHit& hit);
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