PndFtsTrackFinderPndTrackProducer.h

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//****************************************************************************
//*                   This file is part of PandaRoot.                        *
//*                                                                          *
//*            PandaRoot is distributed under the terms of the               *
//*              GNU General Public License (GPL) version 3,                 *
//*                 copied verbatim in the file "LICENSE".                   *
//*                                                                          *
//*  Copyright (C) 2006 - 2024 FAIR GmbH and copyright holders of PandaRoot  *
//*     The copyright holders are listed in the file "COPYRIGHTHOLDERS".     *
//*               The authors are listed in the file "AUTHORS".              *
//****************************************************************************

#pragma once

#include <TVector3.h>

#include <FairField.h>

#include "PndFtsTrack.h"
#include "PndTrack.h"
#include "PndFtsContext.h"

class PndFtsTrackFinderPndTrackProducer {
 public:
  PndFtsTrackFinderPndTrackProducer(const PndFtsTrackFinder::PndFtsContext &fReconContext, int32_t inBranchId, TClonesArray *inHits);

  void CreatePndTrack(const PndFtsTrackFinder::PndFtsFullTrack &track, TObject *&pndTrackDest, TObject *&pndTrackCandDest, TObject *&pndAnalyticTrackDest) const;

 private:
  [[nodiscard]] TVector3 GetPosAtZ(float posZ, const PndFtsTrackFinder::PndFtsFullTrack &track) const;

  [[nodiscard]] TVector3 GetMomUnitAtPos(const TVector3 &pos, const PndFtsTrackFinder::PndFtsFullTrack &track) const;

  [[nodiscard]] double GetMomMag(const PndFtsTrackFinder::PndFtsFullTrack &track) const;

  [[nodiscard]] double GetBYFromField(const TVector3 &pos) const;

  [[nodiscard]] double GetRadius(const PndFtsTrackFinder::PndFtsFullTrack &track) const;

  const PndFtsTrackFinder::PndFtsContext &fReconContext; 

  int32_t fInBranchId; 

  TClonesArray *fInHits; 

  FairField *fField; 
};