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root/cvsroot/UserCode/MitProd/TreeFiller/src/FillerElectrons.cc
Revision: 1.5
Committed: Thu Jul 3 07:56:14 2008 UTC (16 years, 10 months ago) by loizides
Content type: text/plain
Branch: MAIN
Changes since 1.4: +5 -5 lines
Log Message:
Coding Conventions

File Contents

# User Rev Content
1 loizides 1.5 // $Id: FillerElectrons.cc,v 1.4 2008/07/02 16:34:37 loizides Exp $
2 loizides 1.1
3     #include "MitProd/TreeFiller/interface/FillerElectrons.h"
4     #include "FWCore/MessageLogger/interface/MessageLogger.h"
5     #include "DataFormats/Common/interface/Handle.h"
6     #include "DataFormats/TrackReco/interface/Track.h"
7     #include "DataFormats/GsfTrackReco/interface/GsfTrack.h"
8     #include "DataFormats/TrackReco/interface/TrackFwd.h"
9     #include "DataFormats/EgammaCandidates/interface/PixelMatchGsfElectron.h"
10     #include "DataFormats/EgammaCandidates/interface/PixelMatchGsfElectronFwd.h"
11    
12     #include "MitAna/DataTree/interface/Track.h"
13     #include "MitAna/DataTree/interface/Names.h"
14    
15     using namespace std;
16     using namespace edm;
17     using namespace mithep;
18    
19 loizides 1.5 //--------------------------------------------------------------------------------------------------
20 loizides 1.2 FillerElectrons::FillerElectrons(const edm::ParameterSet &cfg, bool active,
21 loizides 1.1 const GsfTrackMap* gsfTrackMap, const TrackMap* trackerTrackMap) :
22 loizides 1.2 BaseFiller(cfg, "Electrons", active),
23 loizides 1.1 edmName_(Conf().getUntrackedParameter<string>("edmName","pixelMatchGsfElectrons")),
24     mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkElectronBrn)),
25     electrons_(new mithep::ElectronArr),
26     gsfTrackMap_(gsfTrackMap),
27     trackerTrackMap_(trackerTrackMap)
28     {
29     // Constructor.
30     }
31    
32 loizides 1.5 //--------------------------------------------------------------------------------------------------
33 loizides 1.1 FillerElectrons::~FillerElectrons()
34     {
35     // Destructor.
36     }
37    
38 loizides 1.5 //--------------------------------------------------------------------------------------------------
39 loizides 1.1 void FillerElectrons::BookDataBlock(TreeWriter &tws)
40     {
41     // Add electron branch to our tree.
42    
43     tws.AddBranch(mitName_.c_str(),&electrons_);
44     }
45    
46 loizides 1.5 //--------------------------------------------------------------------------------------------------
47 loizides 1.1 void FillerElectrons::FillDataBlock(const edm::Event &event,
48     const edm::EventSetup &setup)
49     {
50     // Fill electrons from edm collection into our collection.
51    
52     electrons_->Reset();
53    
54     try {
55 bendavid 1.3 event.getByLabel(edm::InputTag(edmName_),electronProduct_);
56 loizides 1.1 } catch (cms::Exception& ex) {
57     edm::LogError("FillerElectrons") << "Error! Cannot get collection with label "
58     << edmName_ << endl;
59     throw edm::Exception(edm::errors::Configuration, "FillerElectrons:FillDataBlock()\n")
60     << "Error! Cannot get collection with label " << edmName_ << endl;
61     }
62    
63     const reco::PixelMatchGsfElectronCollection inElectrons = *(electronProduct_.product());
64    
65     for (reco::PixelMatchGsfElectronCollection::const_iterator iM = inElectrons.begin();
66     iM != inElectrons.end(); ++iM) {
67    
68     mithep::Electron* outElectron = electrons_->AddNew();
69     if (gsfTrackMap_ && iM->gsfTrack().isNonnull())
70     outElectron->SetGsfTrack(gsfTrackMap_->GetMit(iM->gsfTrack()));
71     if (trackerTrackMap_ && iM->track().isNonnull())
72     outElectron->SetTrackerTrack(trackerTrackMap_->GetMit(iM->track()));
73     }
74    
75     electrons_->Trim();
76     }