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root/cvsroot/UserCode/MitProd/TreeFiller/src/FillerPhotons.cc
Revision: 1.4
Committed: Tue Jul 8 12:38:20 2008 UTC (16 years, 10 months ago) by loizides
Content type: text/plain
Branch: MAIN
Changes since 1.3: +6 -12 lines
Log Message:
Updated Fillers to use GetProduct function in BaseFiller. This function will determine whether a product is valid and otherwise exit.

File Contents

# User Rev Content
1 loizides 1.4 // $Id: FillerPhotons.cc,v 1.3 2008/07/07 16:14:01 loizides Exp $
2 bendavid 1.1
3 loizides 1.2 #include "MitProd/TreeFiller/interface/FillerPhotons.h"
4 bendavid 1.1 #include "FWCore/MessageLogger/interface/MessageLogger.h"
5     #include "DataFormats/Common/interface/Handle.h"
6     #include "DataFormats/TrackReco/interface/Track.h"
7     #include "DataFormats/TrackReco/interface/TrackFwd.h"
8     #include "DataFormats/EgammaCandidates/interface/Photon.h"
9     #include "DataFormats/EgammaCandidates/interface/PhotonFwd.h"
10     #include "DataFormats/EgammaCandidates/interface/Conversion.h"
11     #include "DataFormats/EgammaCandidates/interface/ConversionFwd.h"
12     #include "MitAna/DataTree/interface/Names.h"
13    
14     using namespace std;
15     using namespace edm;
16     using namespace mithep;
17    
18 loizides 1.2 //--------------------------------------------------------------------------------------------------
19     FillerPhotons::FillerPhotons(const edm::ParameterSet &cfg, bool active,
20     const ConversionMap *conversionMap) :
21 bendavid 1.1 BaseFiller(cfg, "Photons", active),
22     edmName_(Conf().getUntrackedParameter<string>("edmName","photons")),
23     mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkPhotonBrn)),
24 loizides 1.2 photons_(new mithep::Array<mithep::Photon>),
25     conversionMap_(conversionMap)
26 bendavid 1.1 {
27 loizides 1.2 // Constructor.
28 bendavid 1.1 }
29    
30 loizides 1.2 //--------------------------------------------------------------------------------------------------
31 bendavid 1.1 FillerPhotons::~FillerPhotons()
32     {
33 loizides 1.2 // Destructor.
34 loizides 1.3
35     delete photons_;
36 bendavid 1.1 }
37    
38 loizides 1.2 //--------------------------------------------------------------------------------------------------
39 bendavid 1.1 void FillerPhotons::BookDataBlock(TreeWriter &tws)
40     {
41 loizides 1.2 // Add photon branch to tree.
42    
43 bendavid 1.1 tws.AddBranch(mitName_.c_str(),&photons_);
44     }
45    
46 loizides 1.2 //--------------------------------------------------------------------------------------------------
47 bendavid 1.1 void FillerPhotons::FillDataBlock(const edm::Event &event,
48     const edm::EventSetup &setup)
49     {
50 loizides 1.2 // Fill photon array.
51 bendavid 1.1
52     photons_->Reset();
53 loizides 1.4
54     Handle<reco::PhotonCollection> hPhotonProduct;
55     GetProduct(edmName_, hPhotonProduct, event);
56    
57     const reco::PhotonCollection inPhotons = *(hPhotonProduct.product());
58 bendavid 1.1
59 loizides 1.2 for (reco::PhotonCollection::const_iterator iP = inPhotons.begin();
60     iP != inPhotons.end(); ++iP) {
61    
62     mithep::Photon* outPhoton = photons_->Allocate();
63     new (outPhoton) mithep::Photon(iP->px(),iP->py(),iP->pz(),iP->energy());
64     if (iP->isConverted() && conversionMap_) {
65     std::vector<reco::ConversionRef> conversionRefs = iP->conversions();
66     for (std::vector<reco::ConversionRef>::const_iterator conversionRef =
67     conversionRefs.begin(); conversionRef != conversionRefs.end(); ++conversionRef) {
68     outPhoton->AddConversion(conversionMap_->GetMit(*conversionRef));
69     }
70     }
71 bendavid 1.1 }
72 loizides 1.2
73 bendavid 1.1 photons_->Trim();
74     }