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// $Id: FillerEmbedWeight.cc,v 1.2 2011/11/28 13:03:07 pharris Exp $
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#include "MitProd/TreeFiller/interface/FillerEmbedWeight.h"
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#include "MitAna/DataTree/interface/Names.h"
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#include "MitAna/DataTree/interface/EmbedWeightCol.h"
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#include "MitProd/ObjectService/interface/ObjectService.h"
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#include "SimDataFormats/GeneratorProducts/interface/GenFilterInfo.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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FillerEmbedWeight::FillerEmbedWeight(const ParameterSet &cfg, const char *name, bool active) :
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BaseFiller(cfg,name,active),
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edmName_(Conf().getUntrackedParameter<string>("edmName","generator_weight")),
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genInfo_(Conf().getUntrackedParameter<bool> ("useGenInfo","True")),
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mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkEmbedWeightBrn)),
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embedWeight_(new mithep::EmbedWeightArr)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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FillerEmbedWeight::~FillerEmbedWeight()
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{
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// Destructor.
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delete embedWeight_;
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}
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//--------------------------------------------------------------------------------------------------
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void FillerEmbedWeight::BookDataBlock(TreeWriter &tws)
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{
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// Add mets branch to tree.
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tws.AddBranch(mitName_,&embedWeight_);
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OS()->add<mithep::EmbedWeightArr>(embedWeight_,mitName_);
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}
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//--------------------------------------------------------------------------------------------------
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void FillerEmbedWeight::FillDataBlock(const edm::Event &event,
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const edm::EventSetup &setup)
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{
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// Fill missing energy from edm collection into our collection.
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embedWeight_->Delete();
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double inEmbedWeightValue = 0;
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if(!genInfo_) {
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Handle<double> hEmbedWeight;
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event.getByLabel(edm::InputTag(edmName_,"weight","EmbeddedRECO"),hEmbedWeight);
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inEmbedWeightValue = *(hEmbedWeight.product());
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} else {
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edm::Handle<GenFilterInfo> hGenFilterInfo;
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event.getByLabel(edm::InputTag(edmName_, "minVisPtFilter", "EmbeddedRECO"), hGenFilterInfo);
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inEmbedWeightValue = hGenFilterInfo->filterEfficiency();
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}
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const double inEmbedWeight = inEmbedWeightValue;
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mithep::EmbedWeight *embedWeight = embedWeight_->Allocate();
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new (embedWeight) mithep::EmbedWeight(inEmbedWeight);
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//embedWeight->SetWeight(inEmbedWeight);
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embedWeight_->Trim();
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}
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