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// $Id: FillTracks.cc,v 1.8 2008/06/20 17:52:57 loizides Exp $
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#include "MitProd/TreeFiller/interface/FillTracks.h"
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#include "FWCore/MessageLogger/interface/MessageLogger.h"
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#include "FWCore/Framework/interface/ESHandle.h"
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#include "DataFormats/Common/interface/Handle.h"
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#include "FWCore/ServiceRegistry/interface/Service.h"
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#include "DataFormats/TrackReco/interface/Track.h"
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#include "DataFormats/TrackReco/interface/TrackFwd.h"
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#include "MitAna/DataTree/interface/Names.h"
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#include "MitProd/TreeService/interface/TreeService.h"
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#include "MitAna/DataUtil/interface/TreeWriter.h"
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using namespace std;
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using namespace edm;
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using namespace mithep;
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//-------------------------------------------------------------------------------------------------
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FillTracks::FillTracks(const edm::ParameterSet &cfg) :
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tracks_(new mithep::Array<mithep::Track>()),
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trackSource_(cfg.getUntrackedParameter<string>("trackSource", "generalTracks")),
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trackBranch_(cfg.getUntrackedParameter<string>("trackBrname", Names::gkTrackBrn))
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{
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}
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//-------------------------------------------------------------------------------------------------
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FillTracks::~FillTracks()
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{
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}
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//-------------------------------------------------------------------------------------------------
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void FillTracks::analyze(const edm::Event &event,
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const edm::EventSetup &setup)
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{
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tracks_->Reset();
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Handle<reco::TrackCollection> theTrackProduct;
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try {
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event.getByLabel(trackSource_, theTrackProduct);
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} catch (cms::Exception& ex) {
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edm::LogError("FillTracks") << "Error! Can not get collection with label "
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<< trackSource_ << endl;
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throw edm::Exception(edm::errors::Configuration, "FillTracks:analyze()\n")
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<< "Error! Can not get collection with label " << trackSource_ << endl;
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}
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const reco::TrackCollection Tracks = *(theTrackProduct.product());
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int nTracks = 0;
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for (reco::TrackCollection::const_iterator inTrack = Tracks.begin();
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inTrack != Tracks.end(); ++inTrack) {
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mithep::Track* outTrack = new mithep::Track(inTrack->phi(),inTrack->d0(),inTrack->pt(),
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inTrack->dz(),inTrack->theta());
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outTrack->SetErrors(inTrack->phiError(),
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inTrack->d0Error(),
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inTrack->ptError(),
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inTrack->dzError(),
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inTrack->thetaError());
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outTrack->SetCharge(inTrack->charge());
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tracks_->AddCopy(outTrack);
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nTracks++;
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}
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tracks_->Trim();
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}
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//-------------------------------------------------------------------------------------------------
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void FillTracks::beginJob(const edm::EventSetup &setup)
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{
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Service<TreeService> ts;
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TreeWriter *tws = ts->get();
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if (! tws) {
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throw edm::Exception(edm::errors::Configuration, "FillTracks::beginJob()\n")
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<< "Could not get pointer to Tree with name " << tws->GetName() << "\n";
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return;
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}
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tws->AddBranch(trackBranch_.c_str(),&tracks_);
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}
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//-------------------------------------------------------------------------------------------------
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void FillTracks::endJob()
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{
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edm::LogInfo("FillMuons::endJob") << "Ending Job" << endl;
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}
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