/data/refman/pasoursint/CMSSW_5_2_7_hltpatch1/src/DataFormats/DTRecHit/src/DTRecHit1D.cc

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#include "DataFormats/DTRecHit/interface/DTRecHit1D.h"


using namespace std;
using namespace DTEnums;


// Constructor from wireId and digi time only. 
DTRecHit1D::DTRecHit1D(const DTWireId& wireId,
                       DTEnums::DTCellSide lr,
                       float digiTime) : 
    RecHit1D(wireId.layerId()), // the detId of the Det (a DTLayer).
    theWireId(wireId),
    theLRSide(lr),
    theDigiTime(digiTime),
    theLocalPosition(),
    theLocalError() {}


// Default constructor
DTRecHit1D::DTRecHit1D() : theWireId(),
                           theLRSide(undefLR),
                           theDigiTime(-1),
                           theLocalPosition(),
                           theLocalError() {}

// Constructor from a local position, wireId 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
DTRecHit1D::DTRecHit1D(const DTWireId& wireId,
                       DTEnums::DTCellSide lr,
                       float digiTime,
                       const LocalPoint& pos) : 
    RecHit1D(wireId.layerId()), // the detId of the Det (a DTLayer).
    theWireId(wireId),
    theLRSide(lr),
    theDigiTime(digiTime),
    theLocalPosition(pos) {
  float cellResolution = 0.02 ; //cm  cell resolution = 200 um = 0.02 cm 
  theLocalError =
    LocalError(cellResolution*cellResolution, 0., 0.); //FIXME: is it really needed?
    }



// Constructor from a local position and error, wireId and digi time.
DTRecHit1D::DTRecHit1D(const DTWireId& wireId,
                       DTEnums::DTCellSide lr,
                       float digiTime,
                       const LocalPoint& pos,
                       const LocalError& err) :
  RecHit1D(wireId.layerId()),
  theWireId(wireId),
  theLRSide(lr),
  theDigiTime(digiTime),
  theLocalPosition(pos),
  theLocalError(err) {}




// Destructor
DTRecHit1D::~DTRecHit1D(){}



DTRecHit1D * DTRecHit1D::clone() const {
  return new DTRecHit1D(*this);
}


// Access to component RecHits.
// No components rechits: it returns a null vector
vector<const TrackingRecHit*> DTRecHit1D::recHits() const {
  vector<const TrackingRecHit*> nullvector;
  return nullvector; 
}



// Non-const access to component RecHits.
// No components rechits: it returns a null vector
vector<TrackingRecHit*> DTRecHit1D::recHits() {
  vector<TrackingRecHit*> nullvector;
  return nullvector; 
}


// Comparison operator, based on the wireId and the digi time
bool DTRecHit1D::operator==(const DTRecHit1D& hit) const {
  return wireId() == hit.wireId() && fabs(digiTime() - hit.digiTime()) < 0.1;
}


// The ostream operator
ostream& operator<<(ostream& os, const DTRecHit1D& hit) {
  os << "pos: " << hit.localPosition().x() ; 
  os << " +/- " << sqrt(hit.localPositionError().xx()) ;
  return os;
}