CbmLitToolFactory.cxx

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/* Copyright (C) 2008-2019 GSI/JINR-LIT, Darmstadt/Dubna
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Andrey Lebedev [committer] */
 
#include "base/CbmLitToolFactory.h"
 
#include "base/CbmLitMapField.h"
#include "base/CbmLitPtrTypes.h"
#include "base/CbmLitTrackingGeometryConstructor.h"
#include "finder/CbmLitAllHitsTofMerger.h"
#include "finder/CbmLitNearestHitTofMerger.h"
#include "finder/CbmLitTrackFinderBranch.h"
#include "finder/CbmLitTrackFinderNN.h"
#include "fitter/CbmLitKalmanFilter.h"
#include "fitter/CbmLitKalmanSmoother.h"
#include "fitter/CbmLitTrackFitterImp.h"
#include "fitter/CbmLitTrackFitterIter.h"
#include "interface/CbmLitField.h"
#include "propagation/CbmLitCleverTrackExtrapolator.h"
#include "propagation/CbmLitLineTrackExtrapolator.h"
#include "propagation/CbmLitRK4TrackExtrapolator.h"
#include "propagation/CbmLitTGeoTrackPropagator.h"
#include "selection/CbmLitTrackSelectionCuts.h"
#include "selection/CbmLitTrackSelectionEmpty.h"
#include "selection/CbmLitTrackSelectionMuch.h"
#include "selection/CbmLitTrackSelectionTrd.h"
 
#include "FairRunAna.h"
 
#include <boost/assign/list_of.hpp>
 
#include <cassert>
 
using boost::assign::list_of;
 
CbmLitToolFactory::CbmLitToolFactory() {}
 
CbmLitToolFactory::~CbmLitToolFactory() {}
 
TrackExtrapolatorPtr CbmLitToolFactory::CreateTrackExtrapolator(const std::string& name)
{
  assert(name == "line" || name == "rk4" || name == "lit");
  if (name == "line") { return TrackExtrapolatorPtr(new CbmLitLineTrackExtrapolator()); }
  else if (name == "rk4") {
    std::shared_ptr<CbmLitField> field(new CbmLitMapField(FairRunAna::Instance()->GetField()));
    //CbmLitField* field = new CbmLitMapField(FairRunAna::Instance()->GetField());
    return TrackExtrapolatorPtr(new CbmLitRK4TrackExtrapolator(field));
  }
  else if (name == "lit") {
    return TrackExtrapolatorPtr(new CbmLitCleverTrackExtrapolator());
  }
  return TrackExtrapolatorPtr();
}
 
TrackPropagatorPtr CbmLitToolFactory::CreateTrackPropagator(const std::string& name)
{
  assert(name == "lit" || name == "rk4" || name == "line");
  if (name == "lit") { return TrackPropagatorPtr(new CbmLitTGeoTrackPropagator(CreateTrackExtrapolator("lit"))); }
  else if (name == "rk4") {
    return TrackPropagatorPtr(new CbmLitTGeoTrackPropagator(CreateTrackExtrapolator("rk4")));
  }
  else if (name == "line") {
    return TrackPropagatorPtr(new CbmLitTGeoTrackPropagator(CreateTrackExtrapolator("line")));
  }
  return TrackPropagatorPtr();
}
 
TrackUpdatePtr CbmLitToolFactory::CreateTrackUpdate(const std::string& name)
{
  assert(name == "kalman");
  if (name == "kalman") { return TrackUpdatePtr(new CbmLitKalmanFilter()); }
  return TrackUpdatePtr();
}
 
TrackFitterPtr CbmLitToolFactory::CreateTrackFitter(const std::string& name)
{
  assert(name == "lit_kalman" || name == "kalman_smoother");
  if (name == "lit_kalman") {
    return TrackFitterPtr(new CbmLitTrackFitterImp(CreateTrackPropagator("lit"), CreateTrackUpdate("kalman")));
  }
  else if (name == "kalman_smoother") {
    return TrackFitterPtr(new CbmLitKalmanSmoother());
  }
  return TrackFitterPtr();
}
 
TrackSelectionPtr CbmLitToolFactory::CreateTrackSelection(const std::string& name)
{
  assert(name == "empty" || name == "momentum" || name == "momentum_seed" || name == "chi_square"
         || name == "much_final" || name == "trd_final");
  if (name == "empty") { return TrackSelectionPtr(new CbmLitTrackSelectionEmpty()); }
  else if (name == "momentum") {
    CbmLitTrackSelectionCuts* momSelection = new CbmLitTrackSelectionCuts();
    momSelection->SetMinMomentum(0.1);
    return TrackSelectionPtr(momSelection);
  }
  else if (name == "momentum_seed") {
    CbmLitTrackSelectionCuts* momSelection = new CbmLitTrackSelectionCuts();
    momSelection->SetMinMomentum(0.1);
    return TrackSelectionPtr(momSelection);
  }
  else if (name == "chi_square") {
    CbmLitTrackSelectionCuts* chiSqSelection = new CbmLitTrackSelectionCuts();
    chiSqSelection->SetMaxChiSq(30.);
    return TrackSelectionPtr(chiSqSelection);
  }
  else if (name == "much_final") {
    CbmLitTrackSelectionMuch* muchSelection = new CbmLitTrackSelectionMuch();
    muchSelection->SetNofSharedHits(3);
    return TrackSelectionPtr(muchSelection);
  }
  else if (name == "trd_final") {
    CbmLitTrackSelectionTrd* trdSelection = new CbmLitTrackSelectionTrd();
    trdSelection->SetNofSharedHits(3);
    return TrackSelectionPtr(trdSelection);
  }
  return TrackSelectionPtr();
}
 
TrackFinderPtr CbmLitToolFactory::CreateTrackFinder(const std::string& name)
{
  assert(name == "e_nn" || name == "e_branch" || name == "mu_nn" || name == "mu_branch" || name == "mvd_nn");
  if (name == "e_nn") {
    CbmLitTrackFinderNN* trdFinderNN = new CbmLitTrackFinderNN();
    trdFinderNN->SetSeedSelection(CreateTrackSelection("momentum"));
    trdFinderNN->SetFinalSelection(CreateTrackSelection("trd_final"));
    trdFinderNN->SetPropagator(CreateTrackPropagator("lit"));
    trdFinderNN->SetFilter(CreateTrackUpdate("kalman"));
    trdFinderNN->SetNofStations(CbmLitTrackingGeometryConstructor::Instance()->GetNofMuchTrdStations());
    trdFinderNN->SetNofIterations(1);
    trdFinderNN->SetMaxNofMissingHits(list_of(4));
    trdFinderNN->SetPDG(list_of(211));
    trdFinderNN->SetChiSqStripHitCut(list_of(9.));
    trdFinderNN->SetChiSqPixelHitCut(list_of(25.));
    trdFinderNN->SetSigmaCoef(list_of(5.));
    return TrackFinderPtr(trdFinderNN);
  }
  else if (name == "e_branch") {
    CbmLitTrackFinderBranch* trdFinderBranch = new CbmLitTrackFinderBranch();
    trdFinderBranch->SetSeedSelection(CreateTrackSelection("momentum"));
    trdFinderBranch->SetFinalSelection(CreateTrackSelection("trd_final"));
    trdFinderBranch->SetPropagator(CreateTrackPropagator("lit"));
    trdFinderBranch->SetFilter(CreateTrackUpdate("kalman"));
    trdFinderBranch->SetNofStations(CbmLitTrackingGeometryConstructor::Instance()->GetNofMuchTrdStations());
    trdFinderBranch->SetNofIterations(1);
    trdFinderBranch->SetMaxNofMissingHits(list_of(4));
    trdFinderBranch->SetPDG(list_of(211));
    trdFinderBranch->SetChiSqStripHitCut(list_of(9.));
    trdFinderBranch->SetChiSqPixelHitCut(list_of(25.));
    trdFinderBranch->SetSigmaCoef(list_of(5.));
    return TrackFinderPtr(trdFinderBranch);
  }
  else if (name == "mu_nn") {
    CbmLitTrackFinderNN* muchFinderNN = new CbmLitTrackFinderNN();
    muchFinderNN->SetSeedSelection(CreateTrackSelection("momentum_seed"));
    muchFinderNN->SetFinalSelection(CreateTrackSelection("much_final"));
    muchFinderNN->SetPropagator(CreateTrackPropagator("lit"));
    muchFinderNN->SetFilter(CreateTrackUpdate("kalman"));
    muchFinderNN->SetNofStations(CbmLitTrackingGeometryConstructor::Instance()->GetNofMuchTrdStations());
    muchFinderNN->SetNofIterations(1);
    muchFinderNN->SetMaxNofMissingHits(list_of(4));
    muchFinderNN->SetPDG(list_of(13));
    muchFinderNN->SetChiSqStripHitCut(list_of(9.));
    muchFinderNN->SetChiSqPixelHitCut(list_of(25.));
    muchFinderNN->SetSigmaCoef(list_of(5.));
    return TrackFinderPtr(muchFinderNN);
  }
  else if (name == "mu_branch") {
    CbmLitTrackFinderBranch* muchFinderBranch = new CbmLitTrackFinderBranch();
    muchFinderBranch->SetSeedSelection(CreateTrackSelection("momentum_seed"));
    muchFinderBranch->SetFinalSelection(CreateTrackSelection("much_final"));
    muchFinderBranch->SetPropagator(CreateTrackPropagator("lit"));
    muchFinderBranch->SetFilter(CreateTrackUpdate("kalman"));
    muchFinderBranch->SetNofStations(CbmLitTrackingGeometryConstructor::Instance()->GetNofMuchTrdStations());
    muchFinderBranch->SetNofIterations(1);
    muchFinderBranch->SetMaxNofMissingHits(list_of(4));
    muchFinderBranch->SetPDG(list_of(13));
    muchFinderBranch->SetChiSqStripHitCut(list_of(9.));
    muchFinderBranch->SetChiSqPixelHitCut(list_of(25.));
    muchFinderBranch->SetSigmaCoef(list_of(5.));
    return TrackFinderPtr(muchFinderBranch);
  }
  else if (name == "mvd_nn") {
    CbmLitTrackFinderNN* mvdFinderNN = new CbmLitTrackFinderNN();
    mvdFinderNN->SetSeedSelection(CreateTrackSelection("empty"));
    mvdFinderNN->SetFinalSelection(CreateTrackSelection("empty"));
    mvdFinderNN->SetPropagator(CreateTrackPropagator("rk4"));
    mvdFinderNN->SetFilter(CreateTrackUpdate("kalman"));
    mvdFinderNN->SetNofStations(CbmLitTrackingGeometryConstructor::Instance()->GetNofMvdStations());
    mvdFinderNN->SetNofIterations(1);
    mvdFinderNN->SetMaxNofMissingHits(list_of(1));
    mvdFinderNN->SetPDG(list_of(211));
    mvdFinderNN->SetChiSqStripHitCut(list_of(9.));
    mvdFinderNN->SetChiSqPixelHitCut(list_of(15.));
    mvdFinderNN->SetSigmaCoef(list_of(5.));
    return TrackFinderPtr(mvdFinderNN);
  }
  return TrackFinderPtr();
}
 
HitToTrackMergerPtr CbmLitToolFactory::CreateHitToTrackMerger(const std::string& name)
{
  assert(name == "tof_nearest_hit" || name == "tof_all_hits");
  if (name == "tof_nearest_hit") {
    CbmLitNearestHitTofMerger* nhMerger = new CbmLitNearestHitTofMerger();
    nhMerger->SetFieldPropagator(CreateTrackPropagator("lit"));
    nhMerger->SetLinePropagator(CreateTrackPropagator("line"));
    nhMerger->SetFilter(CreateTrackUpdate("kalman"));
    nhMerger->SetPDG(211);
    nhMerger->SetChiSqCut(-1.);  //50.);  //13.86);
    return HitToTrackMergerPtr(nhMerger);
  }
  else if (name == "tof_all_hits") {
    CbmLitAllHitsTofMerger* nhMerger = new CbmLitAllHitsTofMerger();
    nhMerger->SetFieldPropagator(CreateTrackPropagator("lit"));
    nhMerger->SetLinePropagator(CreateTrackPropagator("line"));
    nhMerger->SetFilter(CreateTrackUpdate("kalman"));
    nhMerger->SetPDG(211);
    nhMerger->SetChiSqCut(50.);  //13.86);
    return HitToTrackMergerPtr(nhMerger);
  }
  return HitToTrackMergerPtr();
}