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// -*- C++ -*-
//
// Package: PFCand_NoPU_WithAM
// Class: PFCand_NoPU_WithAM
//
/**\class PF_PU_AssoMap PFCand_NoPU_WithAM.cc CommonTools/RecoUtils/plugins/PFCand_NoPU_WithAM.cc
Description: Produces a collection of PFCandidates associated to the first vertex based on the association map
*/
//
// Original Author: Matthias Geisler,32 4-B20,+41227676487,
// Created: Thu Dec 1 16:07:41 CET 2011
// $Id: PFCand_NoPU_WithAM.cc,v 1.5 2012/12/06 14:03:15 mgeisler Exp $
//
//
#include "CommonTools/RecoUtils/interface/PFCand_NoPU_WithAM.h"
// system include files
#include <memory>
#include <vector>
// user include files
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/Run.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/Common/interface/View.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/TrackReco/interface/TrackBase.h"
using namespace edm;
using namespace std;
using namespace reco;
//
// constructors and destructor
//
PFCand_NoPU_WithAM::PFCand_NoPU_WithAM(const edm::ParameterSet& iConfig) {
//now do what ever other initialization is needed
input_AssociationType_ = iConfig.getParameter<InputTag>("AssociationType");
token_PFCandToVertexAssMap_ =
mayConsume<PFCandToVertexAssMap>(iConfig.getParameter<InputTag>("VertexPFCandAssociationMap"));
token_VertexToPFCandAssMap_ =
mayConsume<VertexToPFCandAssMap>(iConfig.getParameter<InputTag>("VertexPFCandAssociationMap"));
token_VertexCollection_ = mayConsume<VertexCollection>(iConfig.getParameter<InputTag>("VertexCollection"));
input_MinQuality_ = iConfig.getParameter<int>("MinQuality");
//register your products
if (input_AssociationType_.label() == "PFCandsToVertex") {
produces<PFCandidateCollection>("P2V");
} else {
if (input_AssociationType_.label() == "VertexToPFCands") {
produces<PFCandidateCollection>("V2P");
} else {
if (input_AssociationType_.label() == "Both") {
produces<PFCandidateCollection>("P2V");
produces<PFCandidateCollection>("V2P");
} else {
cout << "No correct InputTag for AssociationType!" << endl;
cout << "Won't produce any PFCandiateCollection!" << endl;
}
}
}
}
//
// member functions
//
// ------------ method called to produce the data ------------
void PFCand_NoPU_WithAM::produce(edm::StreamID, edm::Event& iEvent, const edm::EventSetup& iSetup) const {
unique_ptr<PFCandidateCollection> p2v_firstvertex(new PFCandidateCollection());
unique_ptr<PFCandidateCollection> v2p_firstvertex(new PFCandidateCollection());
bool p2vassmap = false;
bool v2passmap = false;
//get the input vertex<->pf-candidate association map
Handle<PFCandToVertexAssMap> p2vAM;
Handle<VertexToPFCandAssMap> v2pAM;
string asstype = input_AssociationType_.label();
if ((asstype == "PFCandsToVertex") || (asstype == "Both")) {
if (iEvent.getByToken(token_PFCandToVertexAssMap_, p2vAM)) {
p2vassmap = true;
}
}
if ((asstype == "VertexToPFCands") || (asstype == "Both")) {
if (iEvent.getByToken(token_VertexToPFCandAssMap_, v2pAM)) {
v2passmap = true;
}
}
if (!p2vassmap && !v2passmap) {
cout << "No input collection could be found" << endl;
return;
}
int negativeQuality = 0;
if (input_MinQuality_ >= 2) {
negativeQuality = -1;
} else {
if (input_MinQuality_ == 1) {
negativeQuality = -2;
} else {
negativeQuality = -3;
}
}
if (p2vassmap) {
const PFCandQualityPairVector pfccoll = p2vAM->begin()->val;
//get the candidates associated to the first vertex and store them in a pf-candidate collection
for (unsigned int pfccoll_ite = 0; pfccoll_ite < pfccoll.size(); pfccoll_ite++) {
PFCandidateRef pfcand = pfccoll[pfccoll_ite].first;
int quality = pfccoll[pfccoll_ite].second;
if ((quality >= input_MinQuality_) || ((quality < 0) && (quality >= negativeQuality))) {
p2v_firstvertex->push_back(*pfcand);
}
}
iEvent.put(std::move(p2v_firstvertex), "P2V");
}
if (v2passmap) {
//get the input vertex collection
Handle<VertexCollection> input_vtxcollH;
iEvent.getByToken(token_VertexCollection_, input_vtxcollH);
VertexRef firstVertexRef(input_vtxcollH, 0);
VertexToPFCandAssMap::const_iterator v2p_ite;
for (v2p_ite = v2pAM->begin(); v2p_ite != v2pAM->end(); v2p_ite++) {
PFCandidateRef pfcand = v2p_ite->key;
for (unsigned v_ite = 0; v_ite < (v2p_ite->val).size(); v_ite++) {
VertexRef vtxref = (v2p_ite->val)[v_ite].first;
int quality = (v2p_ite->val)[v_ite].second;
if ((vtxref == firstVertexRef) &&
((quality >= input_MinQuality_) || ((quality < 0) && (quality >= negativeQuality)))) {
v2p_firstvertex->push_back(*pfcand);
}
}
}
iEvent.put(std::move(v2p_firstvertex), "V2P");
}
}
// ------------ method fills 'descriptions' with the allowed parameters for the module ------------
void PFCand_NoPU_WithAM::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.add<InputTag>("AssociationType");
desc.add<InputTag>("VertexPFCandAssociationMap");
desc.add<InputTag>("VertexCollection");
desc.add<int>("MinQuality");
descriptions.addDefault(desc);
}
//define this as a plug-in
DEFINE_FWK_MODULE(PFCand_NoPU_WithAM);
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