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// -*- C++ -*-
//
// Package: Alignment/CommonAlignment
// Class: FilterOutLowPt
//
//
// Original Author: Marco Musich
#include <memory>
#include <vector>
#include <map>
#include <set>
#include <utility> // std::pair
#include "TMath.h"
// user include files
#include "FWCore/Utilities/interface/InputTag.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/stream/EDFilter.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "FWCore/Utilities/interface/EDGetToken.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
class FilterOutLowPt : public edm::stream::EDFilter<> {
public:
explicit FilterOutLowPt(const edm::ParameterSet&);
~FilterOutLowPt() override;
static void fillDescriptions(edm::ConfigurationDescriptions&);
private:
virtual void beginJob();
bool filter(edm::Event&, const edm::EventSetup&) override;
virtual void endJob();
// ----------member data --------
const bool applyfilter;
const bool debugOn;
const bool runControl_;
const double ptmin;
const double thresh;
const unsigned int numtrack;
double trials;
double passes;
const std::vector<unsigned int> runControlNumbers_;
std::map<unsigned int, std::pair<int, int>> eventsInRun_;
reco::TrackBase::TrackQuality _trackQuality;
edm::EDGetTokenT<reco::TrackCollection> theTrackCollectionToken;
};
FilterOutLowPt::FilterOutLowPt(const edm::ParameterSet& iConfig)
: applyfilter(iConfig.getUntrackedParameter<bool>("applyfilter")),
debugOn(iConfig.getUntrackedParameter<bool>("debugOn")),
runControl_(iConfig.getUntrackedParameter<bool>("runControl")),
ptmin(iConfig.getUntrackedParameter<double>("ptmin")),
thresh(iConfig.getUntrackedParameter<int>("thresh")),
numtrack(iConfig.getUntrackedParameter<unsigned int>("numtrack")),
runControlNumbers_(iConfig.getUntrackedParameter<std::vector<unsigned int>>("runControlNumber")),
theTrackCollectionToken(consumes<reco::TrackCollection>(iConfig.getUntrackedParameter<edm::InputTag>("src"))) {}
FilterOutLowPt::~FilterOutLowPt() {}
void FilterOutLowPt::beginJob() {
trials = 0;
passes = 0;
}
bool FilterOutLowPt::filter(edm::Event& iEvent, const edm::EventSetup& iSetup) {
bool passesRunControl = false;
if (runControl_) {
if (debugOn) {
for (unsigned int runControlNumber : runControlNumbers_) {
edm::LogInfo("FilterOutLowPt") << "run number:" << iEvent.id().run() << " keeping runs:" << runControlNumber
<< std::endl;
}
}
for (unsigned int runControlNumber : runControlNumbers_) {
if (iEvent.eventAuxiliary().run() == runControlNumber) {
if (debugOn) {
edm::LogInfo("FilterOutLowPt") << "run number" << runControlNumber << " match!" << std::endl;
}
passesRunControl = true;
break;
}
}
if (!passesRunControl)
return false;
}
trials++;
bool accepted = false;
float fraction = 0;
// get GeneralTracks collection
edm::Handle<reco::TrackCollection> tkRef;
iEvent.getByToken(theTrackCollectionToken, tkRef);
const reco::TrackCollection* tkColl = tkRef.product();
int numhighpurity = 0;
_trackQuality = reco::TrackBase::qualityByName("highPurity");
if (tkColl->size() > numtrack) {
reco::TrackCollection::const_iterator itk = tkColl->begin();
reco::TrackCollection::const_iterator itk_e = tkColl->end();
for (; itk != itk_e; ++itk) {
if (itk->quality(_trackQuality) && (itk->pt() >= ptmin))
numhighpurity++;
}
fraction = numhighpurity; //(float)tkColl->size();
if (fraction >= thresh)
accepted = true;
}
if (debugOn) {
int ievt = iEvent.id().event();
int irun = iEvent.id().run();
int ils = iEvent.luminosityBlock();
int bx = iEvent.bunchCrossing();
edm::LogInfo("FilterOutLowPt") << " Run " << irun << " Event " << ievt << " Lumi Block " << ils
<< " Bunch Crossing " << bx << " Fraction " << fraction << " NTracks "
<< tkColl->size() << " Accepted " << accepted << std::endl;
}
// count the trials and passes
unsigned int iRun = iEvent.id().run();
if (eventsInRun_.count(iRun) > 0) {
eventsInRun_[iRun].first += 1;
if (accepted)
eventsInRun_[iRun].second += 1;
} else {
std::pair<int, int> mypass = std::make_pair(1, 0);
if (accepted)
mypass.second = 1;
eventsInRun_[iRun] = mypass;
}
if (applyfilter) {
if (accepted)
passes++;
return accepted;
} else
return true;
}
void FilterOutLowPt::endJob() {
double eff = passes / trials;
double eff_err = std::sqrt((eff * (1 - eff)) / trials);
edm::LogVerbatim("FilterOutLowPt") << "###################################### \n"
<< "# FilterOutLowPt::endJob() report \n"
<< "# Number of analyzed events: " << trials << " \n"
<< "# Number of accpeted events: " << passes << " \n"
<< "# Efficiency: " << eff * 100 << " +/- " << eff_err * 100 << " %\n"
<< "######################################";
edm::LogVerbatim("FilterOutLowPt") << "###################################### \n"
<< "# Filter Summary events accepted by run";
for (auto& it : eventsInRun_)
edm::LogVerbatim("FilterOutLowPt") << "# run:" << it.first << " => events tested: " << (it.second).first
<< " | events passed: " << (it.second).second;
edm::LogVerbatim("FilterOutLowPt") << "###################################### \n";
}
// ------------ method fills 'descriptions' with the allowed parameters for the module ------------
void FilterOutLowPt::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
std::vector<unsigned int> defaultRuns;
defaultRuns.push_back(0);
edm::ParameterSetDescription desc;
desc.setComment("Filters out soft events without at least `numtrack` tracks with pT> `ptmin`");
desc.addUntracked<bool>("applyfilter", true);
desc.addUntracked<bool>("debugOn", false);
desc.addUntracked<bool>("runControl", false);
desc.addUntracked<unsigned int>("numtrack", 0);
desc.addUntracked<double>("ptmin", 3.);
desc.addUntracked<int>("thresh", 1);
desc.addUntracked<edm::InputTag>("src", edm::InputTag("generalTracks"));
desc.addUntracked<std::vector<unsigned int>>("runControlNumber", defaultRuns);
descriptions.add("filterOutLowPt", desc);
}
//define this as a plug-in
DEFINE_FWK_MODULE(FilterOutLowPt);
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