PHTpcDeltaZCorrection.h

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// Tell emacs that this is a C++ source
//  -*- C++ -*-.

#ifndef TRACKRECO_PHTPCDELTAZCORRECTION_H
#define TRACKRECO_PHTPCDELTAZCORRECTION_H

#include <fun4all/SubsysReco.h>
#include <phparameter/PHParameterInterface.h>
#include <trackbase_historic/ActsTransformations.h>
#include <trackbase/TrkrDefs.h>

class SvtxTrackMap;
class TrkrClusterContainer;

class PHTpcDeltaZCorrection : public SubsysReco, public PHParameterInterface
{
 public:

  PHTpcDeltaZCorrection(const std::string &name = "PHTpcDeltaZCorrection");

  ~PHTpcDeltaZCorrection() override = default;

  int InitRun(PHCompositeNode *topNode) override;
  int process_event(PHCompositeNode *topNode) override;
  int End(PHCompositeNode *topNode) override;
  void SetDefaultParameters() override;

  private:

  int load_nodes( PHCompositeNode* );

  void process_tracks();

  void process_track( unsigned int, SvtxTrack* );

  ActsSurfaceMaps *m_surfmaps = nullptr;

  ActsTrackingGeometry *m_tGeometry = nullptr;

  ActsTransformations m_transformer;

  SvtxTrackMap *m_track_map = nullptr;

  TrkrClusterContainer *m_cluster_map = nullptr;


  std::set<TrkrDefs::cluskey> m_corrected_clusters;


  double m_bz_const = 1.4; // Tesla

  double m_drift_velocity = NAN;

};

#endif // PHTpcDeltaZCorrection_H