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#ifndef CommonTools_RecoAlgos_RecoTrackSelectorBase_h
#define CommonTools_RecoAlgos_RecoTrackSelectorBase_h
#include "DataFormats/BeamSpot/interface/BeamSpot.h"
#include "DataFormats/Math/interface/deltaPhi.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "FWCore/Framework/interface/ConsumesCollector.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/Utilities/interface/InputTag.h"
class RecoTrackSelectorBase {
public:
RecoTrackSelectorBase() {}
RecoTrackSelectorBase(const edm::ParameterSet& cfg)
: ptMin_(cfg.getParameter<double>("ptMin")),
minRapidity_(cfg.getParameter<double>("minRapidity")),
maxRapidity_(cfg.getParameter<double>("maxRapidity")),
meanPhi_((cfg.getParameter<double>("minPhi") + cfg.getParameter<double>("maxPhi")) / 2.),
rangePhi_((cfg.getParameter<double>("maxPhi") - cfg.getParameter<double>("minPhi")) / 2.),
tip_(cfg.getParameter<double>("tip")),
lip_(cfg.getParameter<double>("lip")),
maxChi2_(cfg.getParameter<double>("maxChi2")),
minHit_(cfg.getParameter<int>("minHit")),
minPixelHit_(cfg.getParameter<int>("minPixelHit")),
minLayer_(cfg.getParameter<int>("minLayer")),
min3DLayer_(cfg.getParameter<int>("min3DLayer")),
usePV_(false),
invertRapidityCut_(cfg.getParameter<bool>("invertRapidityCut")) {
const auto minPhi = cfg.getParameter<double>("minPhi");
const auto maxPhi = cfg.getParameter<double>("maxPhi");
if (minPhi >= maxPhi) {
throw cms::Exception("Configuration")
<< "RecoTrackSelectorPhase: minPhi (" << minPhi << ") must be smaller than maxPhi (" << maxPhi
<< "). The range is constructed from minPhi to maxPhi around their average.";
}
if (minPhi >= M_PI) {
throw cms::Exception("Configuration")
<< "RecoTrackSelectorPhase: minPhi (" << minPhi
<< ") must be smaller than PI. The range is constructed from minPhi to maxPhi around their average.";
}
if (maxPhi <= -M_PI) {
throw cms::Exception("Configuration")
<< "RecoTrackSelectorPhase: maxPhi (" << maxPhi
<< ") must be larger than -PI. The range is constructed from minPhi to maxPhi around their average.";
}
for (const std::string& quality : cfg.getParameter<std::vector<std::string> >("quality"))
quality_.push_back(reco::TrackBase::qualityByName(quality));
for (const std::string& algorithm : cfg.getParameter<std::vector<std::string> >("algorithm"))
algorithm_.push_back(reco::TrackBase::algoByName(algorithm));
for (const std::string& algorithm : cfg.getParameter<std::vector<std::string> >("originalAlgorithm"))
originalAlgorithm_.push_back(reco::TrackBase::algoByName(algorithm));
for (const std::string& algorithm : cfg.getParameter<std::vector<std::string> >("algorithmMaskContains"))
algorithmMask_.push_back(reco::TrackBase::algoByName(algorithm));
}
RecoTrackSelectorBase(const edm::ParameterSet& cfg, edm::ConsumesCollector& iC) : RecoTrackSelectorBase(cfg) {
usePV_ = cfg.getParameter<bool>("usePV");
bsSrcToken_ = iC.consumes<reco::BeamSpot>(cfg.getParameter<edm::InputTag>("beamSpot"));
if (usePV_)
vertexToken_ = iC.consumes<reco::VertexCollection>(cfg.getParameter<edm::InputTag>("vertexTag"));
}
void init(const edm::Event& event, const edm::EventSetup& es) {
edm::Handle<reco::BeamSpot> beamSpot;
event.getByToken(bsSrcToken_, beamSpot);
vertex_ = beamSpot->position();
if (!usePV_)
return;
edm::Handle<reco::VertexCollection> hVtx;
event.getByToken(vertexToken_, hVtx);
if (hVtx->empty())
return;
vertex_ = (*hVtx)[0].position();
}
static void fillPSetDescription(edm::ParameterSetDescription& desc) {
desc.add<bool>("invertRapidityCut", false);
desc.add<bool>("usePV", false);
desc.add<double>("lip", 300.0);
desc.add<double>("maxChi2", 10000.0);
desc.add<double>("maxPhi", -3.2);
desc.add<double>("maxRapidity", 5.0);
desc.add<double>("minPhi", 3.2);
desc.add<double>("minRapidity", -5.0);
desc.add<double>("ptMin", 0.1);
desc.add<double>("tip", 120.0);
desc.add<edm::InputTag>("beamSpot", edm::InputTag("offlineBeamSpot"));
desc.add<edm::InputTag>("vertexTag", edm::InputTag("offlinePrimaryVertices"));
desc.add<int>("min3DLayer", 0);
desc.add<int>("minHit", 0);
desc.add<int>("minLayer", 3);
desc.add<int>("minPixelHit", 0);
desc.add<std::vector<std::string> >("algorithm", {});
desc.add<std::vector<std::string> >("algorithmMaskContains", {});
desc.add<std::vector<std::string> >("originalAlgorithm", {});
desc.add<std::vector<std::string> >("quality", {});
}
bool operator()(const reco::TrackRef& tref) const { return (*this)(*tref); }
bool operator()(const reco::Track& t) const { return (*this)(t, vertex_); }
bool operator()(const reco::Track& t, const reco::Track::Point& vertex) const {
bool quality_ok = true;
if (!quality_.empty()) {
quality_ok = false;
for (unsigned int i = 0; i < quality_.size(); ++i) {
if (t.quality(quality_[i])) {
quality_ok = true;
break;
}
}
}
bool algo_ok = true;
if (!algorithm_.empty()) {
if (std::find(algorithm_.begin(), algorithm_.end(), t.algo()) == algorithm_.end())
algo_ok = false;
}
if (!originalAlgorithm_.empty() && algo_ok) {
if (std::find(originalAlgorithm_.begin(), originalAlgorithm_.end(), t.originalAlgo()) == originalAlgorithm_.end())
algo_ok = false;
}
if (!algorithmMask_.empty() && algo_ok) {
if (std::find_if(algorithmMask_.begin(),
algorithmMask_.end(),
// for some reason I have to either explicitly give the return type, or use static_cast<bool>()
[&](reco::TrackBase::TrackAlgorithm algo) -> bool { return t.algoMask()[algo]; }) ==
algorithmMask_.end())
algo_ok = false;
}
const auto dphi = deltaPhi(t.phi(), meanPhi_);
auto etaOk = [&](const reco::Track& p) -> bool {
float eta = p.eta();
if (!invertRapidityCut_)
return (eta >= minRapidity_) && (eta <= maxRapidity_);
else
return (eta < minRapidity_ || eta > maxRapidity_);
};
return ((algo_ok & quality_ok) && t.hitPattern().numberOfValidHits() >= minHit_ &&
t.hitPattern().numberOfValidPixelHits() >= minPixelHit_ &&
t.hitPattern().trackerLayersWithMeasurement() >= minLayer_ &&
t.hitPattern().pixelLayersWithMeasurement() + t.hitPattern().numberOfValidStripLayersWithMonoAndStereo() >=
min3DLayer_ &&
fabs(t.pt()) >= ptMin_ && etaOk(t) && dphi >= -rangePhi_ && dphi <= rangePhi_ &&
fabs(t.dxy(vertex)) <= tip_ && fabs(t.dsz(vertex)) <= lip_ && t.normalizedChi2() <= maxChi2_);
}
private:
double ptMin_;
double minRapidity_;
double maxRapidity_;
double meanPhi_;
double rangePhi_;
double tip_;
double lip_;
double maxChi2_;
int minHit_;
int minPixelHit_;
int minLayer_;
int min3DLayer_;
bool usePV_;
bool invertRapidityCut_;
edm::EDGetTokenT<reco::BeamSpot> bsSrcToken_;
edm::EDGetTokenT<reco::VertexCollection> vertexToken_;
std::vector<reco::TrackBase::TrackQuality> quality_;
std::vector<reco::TrackBase::TrackAlgorithm> algorithm_;
std::vector<reco::TrackBase::TrackAlgorithm> originalAlgorithm_;
std::vector<reco::TrackBase::TrackAlgorithm> algorithmMask_;
reco::Track::Point vertex_;
};
#endif
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