PlanarMomentumMeasurement.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <genfit/PlanarMeasurement.h>
#include <genfit/RKTrackRep.h>
#include <tracking/trackFitting/measurementCreator/measurements/HMatrixQP.h>
#include <framework/logging/Logger.h>
 
 
namespace Belle2 {
  class PlanarMomentumMeasurement : public genfit::PlanarMeasurement {
 
  public:
    PlanarMomentumMeasurement() : genfit::PlanarMeasurement(1) {}
 
    explicit PlanarMomentumMeasurement(const genfit::PlanarMeasurement& parentElement) :
      genfit::PlanarMeasurement(parentElement)
    {
      rawHitCoords_.ResizeTo(1);
      rawHitCov_.ResizeTo(1, 1);
    }
 
    virtual genfit::AbsMeasurement* clone() const override {return new PlanarMomentumMeasurement(*this);}
 
    virtual const genfit::AbsHMatrix* constructHMatrix(const genfit::AbsTrackRep* rep) const override
    {
      if (dynamic_cast<const genfit::RKTrackRep*>(rep) == nullptr) {
        B2FATAL("PlanarMomentumMeasurement default implementation can only handle state vectors of type RKTrackRep!");
      }
 
      return new HMatrixQP();
    }
  };
}