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// -*- C++ -*-//
// Package: Hcal
// Class: HcalCollapseAnalyzer
//
/**\class HcalCollapseAnalyzer HcalCollapseAnalyzer.cc
DQMOffline/Hcal/src/HcalCollapseAnalyzer.cc
Description: Studies the collapsing of HcalRecHits
Implementation:
<Notes on implementation>
*/
//
// Original Author: Sunanda Banerjee
// Created: Thu Dec 26 18:52:02 CST 2017
//
//
// system include files
#include <string>
#include <vector>
// Root objects
#include "TH1.h"
// user include files
#include "DataFormats/HcalDetId/interface/HcalDetId.h"
#include "DataFormats/HcalRecHit/interface/HcalRecHitCollections.h"
#include "DQMServices/Core/interface/DQMEDAnalyzer.h"
#include "DQMServices/Core/interface/DQMStore.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/EDGetToken.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "Geometry/CaloTopology/interface/HcalTopology.h"
#include "Geometry/Records/interface/HcalRecNumberingRecord.h"
class HcalCollapseAnalyzer : public DQMEDAnalyzer {
public:
explicit HcalCollapseAnalyzer(const edm::ParameterSet &);
~HcalCollapseAnalyzer() override {}
static void fillDescriptions(edm::ConfigurationDescriptions &descriptions);
private:
void analyze(edm::Event const &, edm::EventSetup const &) override;
void bookHistograms(DQMStore::IBooker &, edm::Run const &, edm::EventSetup const &) override;
// ----------member data ---------------------------
const std::string topFolderName_;
const int verbosity_;
const edm::InputTag recHitHBHE_, preRecHitHBHE_;
const bool doHE_, doHB_;
const HcalTopology *theHBHETopology = nullptr;
edm::EDGetTokenT<HBHERecHitCollection> tok_hbhe_;
edm::EDGetTokenT<HBHERecHitCollection> tok_prehbhe_;
edm::ESGetToken<HcalTopology, HcalRecNumberingRecord> hcalTopologyToken_;
MonitorElement *h_merge, *h_size, *h_depth;
MonitorElement *h_sfrac, *h_frac, *h_balance;
};
HcalCollapseAnalyzer::HcalCollapseAnalyzer(const edm::ParameterSet &iConfig)
: topFolderName_(iConfig.getParameter<std::string>("topFolderName")),
verbosity_(iConfig.getUntrackedParameter<int>("verbosity", 0)),
recHitHBHE_(iConfig.getUntrackedParameter<edm::InputTag>("recHitHBHE", edm::InputTag("hbhereco"))),
preRecHitHBHE_(iConfig.getUntrackedParameter<edm::InputTag>("preRecHitHBHE", edm::InputTag("hbheprereco"))),
doHE_(iConfig.getUntrackedParameter<bool>("doHE", true)),
doHB_(iConfig.getUntrackedParameter<bool>("doHB", false)),
hcalTopologyToken_{esConsumes<HcalTopology, HcalRecNumberingRecord>()} {
// define tokens for access
tok_hbhe_ = consumes<HBHERecHitCollection>(recHitHBHE_);
tok_prehbhe_ = consumes<HBHERecHitCollection>(preRecHitHBHE_);
edm::LogVerbatim("Collapse") << "Verbosity " << verbosity_ << " with tags " << recHitHBHE_ << " and "
<< preRecHitHBHE_ << " and Do " << doHB_ << ":" << doHE_;
}
void HcalCollapseAnalyzer::fillDescriptions(edm::ConfigurationDescriptions &descriptions) {
edm::ParameterSetDescription desc;
desc.add<std::string>("topFolderName", "HcalCollapse");
desc.addUntracked<int>("verbosity", 0);
desc.addUntracked<edm::InputTag>("recHitHBHE", edm::InputTag("hbhereco"));
desc.addUntracked<edm::InputTag>("preRecHitHBHE", edm::InputTag("hbheprereco"));
desc.addUntracked<bool>("doHE", true);
desc.addUntracked<bool>("doHB", false);
descriptions.add("hcalCollapseAnalyzer", desc);
}
void HcalCollapseAnalyzer::analyze(edm::Event const &iEvent, edm::EventSetup const &iSetup) {
if (verbosity_ > 0)
edm::LogVerbatim("Collapse") << "Run " << iEvent.id().run() << " Event " << iEvent.id().event()
<< " starts ==============";
theHBHETopology = &iSetup.getData(hcalTopologyToken_);
edm::Handle<HBHERecHitCollection> hbhereco;
iEvent.getByToken(tok_hbhe_, hbhereco);
edm::Handle<HBHERecHitCollection> hbheprereco;
iEvent.getByToken(tok_prehbhe_, hbheprereco);
if (verbosity_ > 0) {
edm::LogVerbatim("Collapse") << "Handle Reco " << hbhereco << " Size " << hbhereco->size();
edm::LogVerbatim("Collapse") << "Handle PreReco " << hbheprereco << " Size " << hbheprereco->size();
}
if (hbhereco.isValid() && hbheprereco.isValid()) {
const HBHERecHitCollection *recohbhe = hbhereco.product();
const HBHERecHitCollection *prerecohbhe = hbheprereco.product();
if (verbosity_ > 0)
edm::LogVerbatim("Collapse") << "Size of hbhereco: " << recohbhe->size()
<< " and hbheprereco: " << prerecohbhe->size();
double sfrac = (prerecohbhe->empty()) ? 1 : ((double)(recohbhe->size())) / ((double)(prerecohbhe->size()));
h_sfrac->Fill(sfrac);
h_size->Fill(recohbhe->size());
for (const auto &hit : (*recohbhe)) {
HcalDetId id = hit.id();
if (((id.subdet() == HcalEndcap) && doHE_) || ((id.subdet() == HcalBarrel) && doHB_)) {
h_depth->Fill(id.depth());
std::vector<HcalDetId> ids;
theHBHETopology->unmergeDepthDetId(id, ids);
if (verbosity_ > 0) {
edm::LogVerbatim("Collapse") << id << " is derived from " << ids.size() << " components";
for (unsigned int k = 0; k < ids.size(); ++k)
edm::LogVerbatim("Collapse") << "[" << k << "] " << ids[k];
}
h_merge->Fill(ids.size());
double energy = hit.energy();
double etot(0);
unsigned int k(0);
for (const auto phit : (*prerecohbhe)) {
if (std::find(ids.begin(), ids.end(), phit.id()) != ids.end()) {
etot += phit.energy();
double frac = (energy > 0) ? phit.energy() / energy : 1.0;
h_frac->Fill(frac);
if (verbosity_ > 0)
edm::LogVerbatim("Collapse") << "Frac[" << k << "] " << frac << " for " << phit.id();
++k;
}
}
double frac = (energy > 0) ? etot / energy : 1.0;
h_balance->Fill(frac);
if (verbosity_ > 0)
edm::LogVerbatim("Collapse") << "Total energy " << energy << ":" << etot << ":" << frac;
}
}
}
}
void HcalCollapseAnalyzer::bookHistograms(DQMStore::IBooker &ibooker, edm::Run const &, edm::EventSetup const &) {
// Book histograms
ibooker.setCurrentFolder(topFolderName_);
h_merge = ibooker.book1D("h_merge", "Number of hits merged", 10, 0.0, 10.0);
h_size = ibooker.book1D("h_size", "Size of the RecHit collection", 100, 500.0, 1500.0);
h_depth = ibooker.book1D("h_depth", "Depth of the Id's used", 10, 0.0, 10.0);
h_sfrac = ibooker.book1D("h_sfrac", "Ratio of sizes of preRecHit and RecHit collections", 150, 0.0, 1.5);
h_frac = ibooker.book1D("h_frac", "Fraction of energy before collapse", 150, 0.0, 1.5);
h_balance = ibooker.book1D("h_balance", "Balance of energy between pre- and post-collapse", 100, 0.5, 1.5);
}
DEFINE_FWK_MODULE(HcalCollapseAnalyzer);
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