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#include "DumpTrackAlg.h"
#include "GaudiKernel/DataObject.h"
#include "GaudiKernel/IHistogramSvc.h"
#include "GaudiKernel/MsgStream.h"
#include "GaudiKernel/SmartDataPtr.h"
#include "DetInterface/IGeomSvc.h"
#include "DataHelper/HelixClass.h"
#include "DD4hep/Detector.h"
#include "DD4hep/DD4hepUnits.h"
#include "CLHEP/Units/SystemOfUnits.h"
#include <math.h>
DECLARE_COMPONENT( DumpTrackAlg )
//------------------------------------------------------------------------------
DumpTrackAlg::DumpTrackAlg( const std::string& name, ISvcLocator* pSvcLocator )
: Algorithm( name, pSvcLocator ) {
declareProperty("MCParticleCollection", _inMCColHdl, "Handle of the Input MCParticle collection");
declareProperty("TrackCollection", _inTrackColHdl, "Handle of the Input Track collection from CEPCSW");
m_thisName = name;
}
//------------------------------------------------------------------------------
StatusCode DumpTrackAlg::initialize(){
info() << "Booking Ntuple" << endmsg;
NTuplePtr nt1(ntupleSvc(), "MyTuples/Track"+m_thisName);
if ( !nt1 ) {
m_tuple = ntupleSvc()->book("MyTuples/Track"+m_thisName,CLID_ColumnWiseTuple,"Tracking result");
if ( 0 != m_tuple ) {
m_tuple->addItem ("ntrk", m_nTracks, 0, 500 ).ignore();
m_tuple->addIndexedItem ("x", m_nTracks, m_x ).ignore();
m_tuple->addIndexedItem ("y", m_nTracks, m_y ).ignore();
m_tuple->addIndexedItem ("z", m_nTracks, m_z ).ignore();
m_tuple->addIndexedItem ("px", m_nTracks, m_px ).ignore();
m_tuple->addIndexedItem ("py", m_nTracks, m_py ).ignore();
m_tuple->addIndexedItem ("pz", m_nTracks, m_pz ).ignore();
m_tuple->addIndexedItem ("d0", m_nTracks, m_d0 ).ignore();
m_tuple->addIndexedItem ("phi0", m_nTracks, m_phi0 ).ignore();
m_tuple->addIndexedItem ("omega", m_nTracks, m_omega ).ignore();
m_tuple->addIndexedItem ("z0", m_nTracks, m_z0 ).ignore();
m_tuple->addIndexedItem ("tanLambda", m_nTracks, m_tanLambda ).ignore();
m_tuple->addIndexedItem ("sigma_d0", m_nTracks, m_sigma_d0 ).ignore();
m_tuple->addIndexedItem ("sigma_phi0", m_nTracks, m_sigma_phi0 ).ignore();
m_tuple->addIndexedItem ("sigma_omega", m_nTracks, m_sigma_omega ).ignore();
m_tuple->addIndexedItem ("sigma_z0", m_nTracks, m_sigma_z0 ).ignore();
m_tuple->addIndexedItem ("sigma_tanLambda", m_nTracks, m_sigma_tanLambda ).ignore();
m_tuple->addIndexedItem ("nvxd", m_nTracks, m_nHitsVXD ).ignore();
m_tuple->addIndexedItem ("nftd", m_nTracks, m_nHitsFTD ).ignore();
m_tuple->addIndexedItem ("nsit", m_nTracks, m_nHitsSIT ).ignore();
m_tuple->addIndexedItem ("ngas", m_nTracks, m_nHitsGAS ).ignore();
m_tuple->addIndexedItem ("nset", m_nTracks, m_nHitsSET ).ignore();
}
else { // did not manage to book the N tuple....
fatal() << "Cannot book MyTuples/Track"+m_thisName <<endmsg;
return StatusCode::FAILURE;
}
}
else{
m_tuple = nt1;
}
auto geomSvc = service<IGeomSvc>("GeomSvc");
if(geomSvc){
const dd4hep::Direction& field = geomSvc->lcdd()->field().magneticField(dd4hep::Position(0,0,0));
m_field = field.z()/dd4hep::tesla;
info() << "Magnetic field will obtain from GeomSvc = " << m_field << " tesla" << endmsg;
}
else{
info() << "Failed to find GeomSvc ..." << endmsg;
info() << "Magnetic field will use what input through python option for this algorithm namse as Field, now " << m_field << " tesla" << endmsg;
}
_nEvt = 0;
return StatusCode::SUCCESS;
}
//------------------------------------------------------------------------------
StatusCode DumpTrackAlg::execute(){
const edm4hep::TrackCollection* trackCols = nullptr;
try {
trackCols = _inTrackColHdl.get();
}
catch ( GaudiException &e ) {
debug() << "Collection " << _inTrackColHdl.fullKey() << " is unavailable in event " << _nEvt << endmsg;
}
if(trackCols){
m_nTracks = 0;
for(auto track : *trackCols){
// since possible more than one location=1 TrackState (not deleted in reconstruction), always use last one
for(std::vector<edm4hep::TrackState>::const_iterator it=track.trackStates_end()-1; it!=track.trackStates_begin()-1; it--){
edm4hep::TrackState trackState = *it;
if(trackState.location!=1)continue;
m_d0[m_nTracks] = trackState.D0;
m_phi0[m_nTracks] = trackState.phi;
m_omega[m_nTracks] = trackState.omega;
m_z0[m_nTracks] = trackState.Z0;
m_tanLambda[m_nTracks] = trackState.tanLambda;
m_sigma_d0[m_nTracks] = std::sqrt(trackState.covMatrix[0]);
m_sigma_phi0[m_nTracks] = std::sqrt(trackState.covMatrix[2]);
m_sigma_omega[m_nTracks] = std::sqrt(trackState.covMatrix[5]);
m_sigma_z0[m_nTracks] = std::sqrt(trackState.covMatrix[9]);
m_sigma_tanLambda[m_nTracks] = std::sqrt(trackState.covMatrix[14]);
HelixClass helix_fit;
helix_fit.Initialize_Canonical(trackState.phi,trackState.D0,trackState.Z0,trackState.omega,trackState.tanLambda,m_field);
m_x[m_nTracks] = helix_fit.getReferencePoint()[0];
m_y[m_nTracks] = helix_fit.getReferencePoint()[1];
m_z[m_nTracks] = helix_fit.getReferencePoint()[2];
m_px[m_nTracks] = helix_fit.getMomentum()[0];
m_py[m_nTracks] = helix_fit.getMomentum()[1];
m_pz[m_nTracks] = helix_fit.getMomentum()[2];
//info() << "size = " << track.subDetectorHitNumbers_size() << endmsg;
//for(int ii=0;ii<track.subDetectorHitNumbers_size();ii++){
// std::cout << track.getSubDetectorHitNumbers(ii) << " ";
//}
//std::cout << std::endl;
if(track.subDetectorHitNumbers_size()>=5){
m_nHitsVXD[m_nTracks] = track.getSubDetectorHitNumbers(0);
m_nHitsFTD[m_nTracks] = track.getSubDetectorHitNumbers(1);
m_nHitsSIT[m_nTracks] = track.getSubDetectorHitNumbers(2);
m_nHitsGAS[m_nTracks] = track.getSubDetectorHitNumbers(3);
m_nHitsSET[m_nTracks] = track.getSubDetectorHitNumbers(4);
}
else{
m_nHitsVXD[m_nTracks] = 0;
m_nHitsSIT[m_nTracks] = 0;
m_nHitsSET[m_nTracks] = 0;
m_nHitsFTD[m_nTracks] = 0;
m_nHitsGAS[m_nTracks] = 0;
}
m_nTracks++;
break;
}
}
}
m_tuple->write();
_nEvt++;
return StatusCode::SUCCESS;
}
//------------------------------------------------------------------------------
StatusCode DumpTrackAlg::finalize(){
debug() << "Finalizing..." << endmsg;
return StatusCode::SUCCESS;
}