BaseMeasurementCreatorFromCoordinateMeasurement.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2015 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Nils Braun                                               *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <tracking/trackFitting/measurementCreator/creators/BaseMeasurementCreatorFromHit.h>
 
namespace Belle2 {
  template <class HitType, Const::EDetector detector>
  class BaseMeasurementCreatorFromCoordinateMeasurement : public BaseMeasurementCreatorFromHit<HitType, detector> {
  public:
 
    explicit BaseMeasurementCreatorFromCoordinateMeasurement(const genfit::MeasurementFactory<genfit::AbsMeasurement>&
                                                             measurementFactory) :
      BaseMeasurementCreatorFromHit<HitType, detector>(measurementFactory) {}
 
    std::vector<genfit::TrackPoint*> createMeasurementPoints(HitType* hit, RecoTrack& recoTrack,
                                                             const RecoHitInformation& recoHitInformation) const override
    {
      genfit::AbsMeasurement* coordinateMeasurement = this->createCoordinateMeasurement(hit,
                                                      recoHitInformation);
 
      const std::vector<genfit::AbsMeasurement*>& measurements =
        this->createMeasurementFromCoordinateMeasurement(hit, recoTrack, recoHitInformation, coordinateMeasurement);
 
      // TODO: Do we want to create one track point for each or one track point for all?
      // TODO: This is especially important in the question to which the track point should be related!
      std::vector<genfit::TrackPoint*> trackPoints;
      trackPoints.reserve(measurements.size());
      for (genfit::AbsMeasurement* measurement : measurements) {
        trackPoints.push_back(this->createTrackPointWithRecoHitInformation(measurement, recoTrack, recoHitInformation));
      }
 
      return trackPoints;
    }
 
    virtual ~BaseMeasurementCreatorFromCoordinateMeasurement() { }
 
  protected:
    virtual std::vector<genfit::AbsMeasurement*> createMeasurementFromCoordinateMeasurement(HitType* hit,
        const RecoTrack& recoTrack, const RecoHitInformation& recoHitInformation,
        genfit::AbsMeasurement* coordinateMeasurement) const = 0;
 
  };
}