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// -*- C++ -*-
//
// Package: SiPixelPhase1RecHits
// Class: SiPixelPhase1RecHits
//
// Original Author: Marcel Schneider
#include "DQM/SiPixelPhase1Common/interface/SiPixelPhase1Base.h"
#include "DataFormats/SiPixelCluster/interface/SiPixelCluster.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "DataFormats/GeometryVector/interface/LocalPoint.h"
#include "Geometry/CommonDetUnit/interface/PixelGeomDetUnit.h"
#include "Geometry/CommonTopologies/interface/PixelTopology.h"
#include "Geometry/TrackerGeometryBuilder/interface/TrackerGeometry.h"
#include "Geometry/Records/interface/TrackerDigiGeometryRecord.h"
#include "DataFormats/SiPixelDetId/interface/PixelSubdetector.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackerRecHit2D/interface/SiPixelRecHit.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
namespace {
class SiPixelPhase1RecHits final : public SiPixelPhase1Base {
enum { NRECHITS, CLUST_X, CLUST_Y, ERROR_X, ERROR_Y, POS, CLUSTER_PROB, NONEDGE, NOTHERBAD };
public:
explicit SiPixelPhase1RecHits(const edm::ParameterSet& conf);
void analyze(const edm::Event&, const edm::EventSetup&) override;
private:
edm::EDGetTokenT<reco::TrackCollection> srcToken_;
edm::EDGetTokenT<reco::VertexCollection> offlinePrimaryVerticesToken_;
edm::ESGetToken<TrackerGeometry, TrackerDigiGeometryRecord> trackerGeomToken_;
bool onlyValid_;
bool applyVertexCut_;
};
SiPixelPhase1RecHits::SiPixelPhase1RecHits(const edm::ParameterSet& iConfig) : SiPixelPhase1Base(iConfig) {
srcToken_ = consumes<reco::TrackCollection>(iConfig.getParameter<edm::InputTag>("src"));
offlinePrimaryVerticesToken_ = consumes<reco::VertexCollection>(std::string("offlinePrimaryVertices"));
trackerGeomToken_ = esConsumes<TrackerGeometry, TrackerDigiGeometryRecord>();
onlyValid_ = iConfig.getParameter<bool>("onlyValidHits");
applyVertexCut_ = iConfig.getUntrackedParameter<bool>("VertexCut", true);
}
void SiPixelPhase1RecHits::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
if (!checktrigger(iEvent, iSetup, DCS))
return;
edm::ESHandle<TrackerGeometry> tracker = iSetup.getHandle(trackerGeomToken_);
assert(tracker.isValid());
edm::Handle<reco::TrackCollection> tracks;
iEvent.getByToken(srcToken_, tracks);
if (!tracks.isValid())
return;
edm::Handle<reco::VertexCollection> vertices;
iEvent.getByToken(offlinePrimaryVerticesToken_, vertices);
if (applyVertexCut_ && (!vertices.isValid() || vertices->empty()))
return;
for (auto const& track : *tracks) {
if (applyVertexCut_ &&
(track.pt() < 0.75 || std::abs(track.dxy(vertices->at(0).position())) > 5 * track.dxyError()))
continue;
bool isBpixtrack = false, isFpixtrack = false;
auto const& trajParams = track.extra()->trajParams();
auto hb = track.recHitsBegin();
for (unsigned int h = 0; h < track.recHitsSize(); h++) {
auto hit = *(hb + h);
if (!trackerHitRTTI::isFromDet(*hit))
continue;
DetId id = hit->geographicalId();
uint32_t subdetid = (id.subdetId());
if (subdetid == PixelSubdetector::PixelBarrel)
isBpixtrack = true;
if (subdetid == PixelSubdetector::PixelEndcap)
isFpixtrack = true;
}
if (!isBpixtrack && !isFpixtrack)
continue;
// then, look at each hit
for (unsigned int h = 0; h < track.recHitsSize(); h++) {
auto rechit = *(hb + h);
if (!trackerHitRTTI::isFromDet(*rechit))
continue;
//continue if not a Pixel recHit
DetId id = rechit->geographicalId();
uint32_t subdetid = (id.subdetId());
if (subdetid != PixelSubdetector::PixelBarrel && subdetid != PixelSubdetector::PixelEndcap)
continue;
bool isHitValid = rechit->getType() == TrackingRecHit::valid;
if (onlyValid_ && !isHitValid)
continue; //useful to run on cosmics where the TrackEfficiency plugin is not used
const SiPixelRecHit* prechit = dynamic_cast<const SiPixelRecHit*>(
rechit); //to be used to get the associated cluster and the cluster probability
int sizeX = 0, sizeY = 0;
if (isHitValid) {
SiPixelRecHit::ClusterRef const& clust = prechit->cluster();
sizeX = (*clust).sizeX();
sizeY = (*clust).sizeY();
}
const PixelGeomDetUnit* geomdetunit = dynamic_cast<const PixelGeomDetUnit*>(tracker->idToDet(id));
const PixelTopology& topol = geomdetunit->specificTopology();
LocalPoint lp = trajParams[h].position();
MeasurementPoint mp = topol.measurementPosition(lp);
int row = (int)mp.x();
int col = (int)mp.y();
float rechit_x = lp.x();
float rechit_y = lp.y();
LocalError lerr = rechit->localPositionError();
float lerr_x = sqrt(lerr.xx());
float lerr_y = sqrt(lerr.yy());
histo[NRECHITS].fill(id, &iEvent, col, row); //in general a inclusive counter of missing/valid/inactive hits
if (prechit->isOnEdge())
histo[NONEDGE].fill(id, &iEvent, col, row);
if (prechit->hasBadPixels())
histo[NOTHERBAD].fill(id, &iEvent, col, row);
if (isHitValid) {
histo[CLUST_X].fill(sizeX, id, &iEvent, col, row);
histo[CLUST_Y].fill(sizeY, id, &iEvent, col, row);
}
histo[ERROR_X].fill(lerr_x, id, &iEvent);
histo[ERROR_Y].fill(lerr_y, id, &iEvent);
histo[POS].fill(rechit_x, rechit_y, id, &iEvent);
if (isHitValid) {
double clusterProbability = prechit->clusterProbability(0);
if (clusterProbability > 0)
histo[CLUSTER_PROB].fill(log10(clusterProbability), id, &iEvent);
}
}
}
histo[NRECHITS].executePerEventHarvesting(&iEvent);
histo[NONEDGE].executePerEventHarvesting(&iEvent);
histo[NOTHERBAD].executePerEventHarvesting(&iEvent);
}
} //namespace
DEFINE_FWK_MODULE(SiPixelPhase1RecHits);
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