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/*
* See header file for a description of this class.
*
* \author Loic Quertenmont
*/
#include "DQM/TrackingMonitor/interface/dEdxHitAnalyzer.h"
#include "TrackingTools/TransientTrack/interface/TransientTrackBuilder.h"
#include "TrackingTools/Records/interface/TransientTrackRecord.h"
#include "TrackingTools/TransientTrack/interface/TransientTrack.h"
#include "MagneticField/Engine/interface/MagneticField.h"
#include "CommonTools/TriggerUtils/interface/GenericTriggerEventFlag.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "DQMServices/Core/interface/DQMStore.h"
#include <string>
#include "TMath.h"
dEdxHitAnalyzer::dEdxHitAnalyzer(const edm::ParameterSet& iConfig)
: fullconf_(iConfig),
conf_(fullconf_.getParameter<edm::ParameterSet>("dEdxParameters")),
doAllPlots_(conf_.getParameter<bool>("doAllPlots")),
doDeDxPlots_(conf_.getParameter<bool>("doDeDxPlots")),
genTriggerEventFlag_(new GenericTriggerEventFlag(
conf_.getParameter<edm::ParameterSet>("genericTriggerEventPSet"), consumesCollector(), *this)) {
trackInputTag_ = edm::InputTag(conf_.getParameter<std::string>("TracksForDeDx"));
trackToken_ = consumes<reco::TrackCollection>(trackInputTag_);
dEdxInputList_ = conf_.getParameter<std::vector<std::string> >("deDxHitProducers");
for (auto const& tag : dEdxInputList_) {
dEdxTokenList_.push_back(consumes<reco::DeDxHitInfoAss>(edm::InputTag(tag)));
}
// parameters from the configuration
MEFolderName = conf_.getParameter<std::string>("FolderName");
dEdxNHitBin = conf_.getParameter<int>("dEdxNHitBin");
dEdxNHitMin = conf_.getParameter<double>("dEdxNHitMin");
dEdxNHitMax = conf_.getParameter<double>("dEdxNHitMax");
dEdxStripBin = conf_.getParameter<int>("dEdxStripBin");
dEdxStripMin = conf_.getParameter<double>("dEdxStripMin");
dEdxStripMax = conf_.getParameter<double>("dEdxStripMax");
dEdxPixelBin = conf_.getParameter<int>("dEdxPixelBin");
dEdxPixelMin = conf_.getParameter<double>("dEdxPixelMin");
dEdxPixelMax = conf_.getParameter<double>("dEdxPixelMax");
dEdxHarm2Bin = conf_.getParameter<int>("dEdxHarm2Bin");
dEdxHarm2Min = conf_.getParameter<double>("dEdxHarm2Min");
dEdxHarm2Max = conf_.getParameter<double>("dEdxHarm2Max");
}
dEdxHitAnalyzer::~dEdxHitAnalyzer() {
if (genTriggerEventFlag_)
delete genTriggerEventFlag_;
}
// -- BeginRun
//---------------------------------------------------------------------------------//
void dEdxHitAnalyzer::dqmBeginRun(const edm::Run& iRun, const edm::EventSetup& iSetup) {
// Initialize the GenericTriggerEventFlag
if (genTriggerEventFlag_->on())
genTriggerEventFlag_->initRun(iRun, iSetup);
}
void dEdxHitAnalyzer::bookHistograms(DQMStore::IBooker& ibooker, edm::Run const& iRun, edm::EventSetup const& iSetup) {
ibooker.setCurrentFolder(MEFolderName);
// book the Hit Property histograms
// ---------------------------------------------------------------------------------//
if (doDeDxPlots_ || doAllPlots_) {
for (unsigned int i = 0; i < dEdxInputList_.size(); i++) {
ibooker.setCurrentFolder(MEFolderName + "/" + dEdxInputList_[i]);
dEdxMEsVector.push_back(dEdxMEs());
histname = "Strip_dEdxPerCluster_";
dEdxMEsVector[i].ME_StripHitDeDx = ibooker.book1D(histname, histname, dEdxStripBin, dEdxStripMin, dEdxStripMax);
dEdxMEsVector[i].ME_StripHitDeDx->setAxisTitle("dEdx of on-track strip cluster (ADC)");
dEdxMEsVector[i].ME_StripHitDeDx->setAxisTitle("Number of Strip clusters", 2);
histname = "Pixel_dEdxPerCluster_";
dEdxMEsVector[i].ME_PixelHitDeDx = ibooker.book1D(histname, histname, dEdxPixelBin, dEdxPixelMin, dEdxPixelMax);
dEdxMEsVector[i].ME_PixelHitDeDx->setAxisTitle("dEdx of on-track pixel cluster (ADC)");
dEdxMEsVector[i].ME_PixelHitDeDx->setAxisTitle("Number of Pixel clusters", 2);
histname = "NumberOfdEdxHitsPerTrack_";
dEdxMEsVector[i].ME_NHitDeDx = ibooker.book1D(histname, histname, dEdxNHitBin, dEdxNHitMin, dEdxNHitMax);
dEdxMEsVector[i].ME_NHitDeDx->setAxisTitle("Number of dEdxHits per Track");
dEdxMEsVector[i].ME_NHitDeDx->setAxisTitle("Number of Tracks", 2);
histname = "Harm2_dEdxPerTrack_";
dEdxMEsVector[i].ME_Harm2DeDx = ibooker.book1D(histname, histname, dEdxHarm2Bin, dEdxHarm2Min, dEdxHarm2Max);
dEdxMEsVector[i].ME_Harm2DeDx->setAxisTitle("Harmonic2 dEdx estimator for each Track");
dEdxMEsVector[i].ME_Harm2DeDx->setAxisTitle("Number of Tracks", 2);
}
}
}
double dEdxHitAnalyzer::harmonic2(const reco::DeDxHitInfo* dedxHits) {
if (!dedxHits)
return -1;
std::vector<double> vect;
for (unsigned int h = 0; h < dedxHits->size(); h++) {
DetId detid(dedxHits->detId(h));
double Norm = (detid.subdetId() < 3) ? 3.61e-06 : 3.61e-06 * 265;
double ChargeOverPathlength = Norm * dedxHits->charge(h) / dedxHits->pathlength(h);
vect.push_back(ChargeOverPathlength); //save charge
}
int size = vect.size();
if (size <= 0)
return -1;
double result = 0;
double expo = -2;
for (int i = 0; i < size; i++) {
result += pow(vect[i], expo);
}
return pow(result / size, 1. / expo);
}
// -- Analyse
// ---------------------------------------------------------------------------------//
void dEdxHitAnalyzer::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
// Filter out events if Trigger Filtering is requested
if (genTriggerEventFlag_->on() && !genTriggerEventFlag_->accept(iEvent, iSetup))
return;
if (doDeDxPlots_ || doAllPlots_) {
edm::Handle<reco::TrackCollection> trackCollectionHandle = iEvent.getHandle(trackToken_);
if (!trackCollectionHandle.isValid())
return;
for (unsigned int i = 0; i < dEdxInputList_.size(); i++) {
edm::Handle<reco::DeDxHitInfoAss> dEdxObjectHandle = iEvent.getHandle(dEdxTokenList_[i]);
if (!dEdxObjectHandle.isValid())
continue;
for (unsigned int t = 0; t < trackCollectionHandle->size(); t++) {
reco::TrackRef track = reco::TrackRef(trackCollectionHandle, t);
if (track->quality(reco::TrackBase::highPurity)) {
const reco::DeDxHitInfo* dedxHits = nullptr;
if (!track.isNull()) {
reco::DeDxHitInfoRef dedxHitsRef = (*dEdxObjectHandle)[track];
if (!dedxHitsRef.isNull())
dedxHits = &(*dedxHitsRef);
}
if (!dedxHits)
continue;
for (unsigned int h = 0; h < dedxHits->size(); h++) {
DetId detid(dedxHits->detId(h));
if (detid.subdetId() >= 3)
dEdxMEsVector[i].ME_StripHitDeDx->Fill(dedxHits->charge(h));
if (detid.subdetId() < 3)
dEdxMEsVector[i].ME_PixelHitDeDx->Fill(dedxHits->charge(h));
}
dEdxMEsVector[i].ME_NHitDeDx->Fill(dedxHits->size());
dEdxMEsVector[i].ME_Harm2DeDx->Fill(harmonic2(dedxHits));
}
}
}
}
}
// ------------ method fills 'descriptions' with the allowed parameters for the module ------------
void dEdxHitAnalyzer::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
//The following says we do not know what parameters are allowed so do no validation
// Please change this to state exactly what you do use, even if it is no parameters
edm::ParameterSetDescription desc;
desc.setUnknown();
descriptions.addDefault(desc);
}
DEFINE_FWK_MODULE(dEdxHitAnalyzer);
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