DTRecHit/interface/DTRecHit1D.h

0001 #ifndef DTRecHit_DTRecHit1D_H
0002 #define DTRecHit_DTRecHit1D_H
0003
0004 /** \class DTRecHit1D
0005  *
0006  *  1D RecHit for Muon Barrel DT
0007  *  The main feature of muon Barrel RecHits is that they are created in pair,
0008  *  due to left/right ambiguity (the pair is described by \class
0009  *  DTRecHit1DPair). The coordiante measured is always the x (in Det frame)
0010  *
0011  *
0012  *  \author S. Lacaprara, G. Cerminara
0013  */
0014
0015 //#include "DataFormats/GeometrySurface/interface/LocalError.h"
0016
0017 #include "DataFormats/TrackingRecHit/interface/RecHit1D.h"
0018
0019 #include "DataFormats/DTRecHit/interface/DTEnums.h"
0020 #include "DataFormats/MuonDetId/interface/DTWireId.h"
0021
0022 class DTLayer;
0023 class GeomDet;
0024
0025 class DTRecHit1D : public RecHit1D {
0026 public:
0027   /// Constructor from wireId and digi time only.
0028   DTRecHit1D(const DTWireId& wireId, DTEnums::DTCellSide lr, float digiTime);
0029
0030   /// Default constructor
0031   DTRecHit1D();
0032
0033   /// Constructor from a local position, wireId and digi time.
0034   /// The 3-dimensional local error is defined as
0035   /// resolution (the cell resolution) for the coordinate being measured
0036   /// and 0 for the two other coordinates
0037   DTRecHit1D(const DTWireId& wireId, DTEnums::DTCellSide lr, float digiTime, const LocalPoint& pos);
0038
0039   /// Constructor from a local position and error, wireId and digi time.
0040   DTRecHit1D(
0041       const DTWireId& wireId, DTEnums::DTCellSide lr, float digiTime, const LocalPoint& pos, const LocalError& err);
0042
0043   /// Destructor
0044   ~DTRecHit1D() override;
0045
0046   /// Return the 3-dimensional local position
0047   LocalPoint localPosition() const override { return theLocalPosition; }
0048
0049   /// Return the 3-dimensional error on the local position
0050   LocalError localPositionError() const override { return theLocalError; }
0051
0052   DTRecHit1D* clone() const override;
0053
0054   /// No components rechits: it returns a null vector
0055   std::vector<const TrackingRecHit*> recHits() const override;
0056
0057   /// No components rechits: it returns a null vector
0058   std::vector<TrackingRecHit*> recHits() override;
0059
0060   /// The side of the cell
0061   DTEnums::DTCellSide lrSide() const { return theLRSide; }
0062
0063   /// Set local position
0064   void setPosition(LocalPoint pos) { theLocalPosition = pos; }
0065
0066   /// Set local position error
0067   void setError(LocalError err) { theLocalError = err; }
0068
0069   /// Set the local position and its error
0070   void setPositionAndError(LocalPoint pos, LocalError err) {
0071     theLocalPosition = pos;
0072     theLocalError = err;
0073   }
0074
0075   /// Return the wireId
0076   DTWireId wireId() const { return theWireId; }
0077
0078   /// Return the time (ns) of the digi used to build the rechit
0079   float digiTime() const { return theDigiTime; }
0080
0081   /// Comparison operator, based on the wireId and the digi time
0082   bool operator==(const DTRecHit1D& hit) const;
0083
0084 private:
0085   // The wire id
0086   DTWireId theWireId;
0087
0088   // Left/Right side code
0089   DTEnums::DTCellSide theLRSide;
0090
0091   // The digi time used to reconstruct the hit
0092   float theDigiTime;
0093
0094   // Position and error in the Local Ref. Frame of the DTLayer
0095   LocalPoint theLocalPosition;
0096   LocalError theLocalError;
0097 };
0098 #endif
0099
0100 /// The ostream operator
0101 std::ostream& operator<<(std::ostream& os, const DTRecHit1D& hit);