ResultStorer.icc.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 <tracking/ckf/general/findlets/ResultStorer.dcl.h>
 
#include <tracking/trackFindingCDC/utilities/StringManipulation.h>
#include <tracking/ckf/general/utilities/SearchDirection.h>
#include <tracking/dataobjects/RecoTrack.h>
 
#include <framework/core/ModuleParamList.templateDetails.h>
 
namespace Belle2 {
  template <class AResult>
  void ResultStorer<AResult>::exposeParameters(ModuleParamList* moduleParamList, const std::string& prefix)
  {
    moduleParamList->addParameter(TrackFindingCDC::prefixed(prefix, "exportTracks"), m_param_exportTracks,
                                  "Export the result tracks into a StoreArray.",
                                  m_param_exportTracks);
 
    moduleParamList->addParameter(TrackFindingCDC::prefixed(prefix, "outputRecoTrackStoreArrayName"),
                                  m_param_outputRecoTrackStoreArrayName,
                                  "StoreArray name of the output Track Store Array.");
    moduleParamList->addParameter(TrackFindingCDC::prefixed(prefix, "outputRelationRecoTrackStoreArrayName"),
                                  m_param_outputRelationRecoTrackStoreArrayName,
                                  "StoreArray name of the tracks, the output reco tracks should be related to.");
 
    moduleParamList->addParameter(TrackFindingCDC::prefixed(prefix, "writeOutDirection"),
                                  m_param_writeOutDirectionAsString,
                                  "Write out the relations with the direction of the VXD part as weight");
  }
 
  template <class AResult>
  void ResultStorer<AResult>::initialize()
  {
    Super::initialize();
 
    if (not m_param_exportTracks) {
      return;
    }
 
    m_outputRecoTracks.registerInDataStore(m_param_outputRecoTrackStoreArrayName);
    RecoTrack::registerRequiredRelations(m_outputRecoTracks);
 
    StoreArray<RecoTrack> relationRecoTracks(m_param_outputRelationRecoTrackStoreArrayName);
    relationRecoTracks.registerRelationTo(m_outputRecoTracks);
 
    m_param_writeOutDirection = fromString(m_param_writeOutDirectionAsString);
  }
 
  template <class AResult>
  void ResultStorer<AResult>::apply(std::vector<AResult>& results)
  {
    if (not m_param_exportTracks) {
      return;
    }
 
    for (const auto& result : results) {
 
      const ROOT::Math::XYZVector& trackPosition = result.getPosition();
      const ROOT::Math::XYZVector& trackMomentum = result.getMomentum();
      const short& trackCharge = result.getCharge();
 
      RecoTrack* newRecoTrack = m_outputRecoTracks.appendNew(trackPosition, trackMomentum, trackCharge);
      result.addToRecoTrack(*newRecoTrack);
 
      const RecoTrack* seed = result.getSeed();
      if (not seed) {
        continue;
      }
      seed->addRelationTo(newRecoTrack, m_param_writeOutDirection);
    }
  }
}