TrackingTools/TransientTrackingRecHit/interface/HelpertRecHit2DLocalPos.h - master - githubmirror/cmssw

TrackingTools/TransientTrackingRecHit/interface/HelpertRecHit2DLocalPos.h

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27 май 2019, 05:59

27 май 2019, 05:594ed5991

#ifndef HelpertRecHit2DLocalPos_H
#define HelpertRecHit2DLocalPos_H

// TO BE FIXED: the name of this class should be changed in something more generic
// since it is now used also for 1D Hits

#include "DataFormats/CLHEP/interface/AlgebraicObjects.h"
#include "DataFormats/TrackingRecHit/interface/TrackingRecHit.h"
#include "DataFormats/TrackerRecHit2D/interface/SiStripRecHit1D.h"
#include "DataFormats/TrackingRecHit/interface/KfComponentsHolder.h"

// make it dummy, alignment error added in BaseTrackerRecHit

class HelpertRecHit2DLocalPos  //: public TValidTrackingRecHit
{
public:
  static AlgebraicSymMatrix parError(const LocalError& le, const GeomDet& det) {
    AlgebraicSymMatrix m(2);
    m[0][0] = le.xx();
    m[0][1] = le.xy();
    m[1][1] = le.yy();
    return m;
  }

  /// Fills in KFComponents delegating to hit2dLocalPos, plus adding APE if available
  /// hit2dLocalPos MUST BE a 2D rechit measuring local position (e.g. BaseTrackerRecHit2D)
  static void getKfComponents(KfComponentsHolder& holder, const TrackingRecHit& hit2dLocalPos, const GeomDet& det) {
    hit2dLocalPos.getKfComponents(holder);
  }

  /// Fills in KFComponents delegating to hit1D, plus adding APE if available
  static void getKfComponents(KfComponentsHolder& holder, const SiStripRecHit1D& hit1D, const GeomDet& det) {
    hit1D.getKfComponents(holder);
  }
};

#endif