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PrimaryVertexMonitor.cc
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PrimaryVertexMonitor.cc
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#include "DQMOffline/RecoB/plugins/PrimaryVertexMonitor.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Utilities/interface/isFinite.h"
#include "CommonTools/Statistics/interface/ChiSquaredProbability.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "TMath.h"
using namespace reco;
using namespace edm;
PrimaryVertexMonitor::PrimaryVertexMonitor(const edm::ParameterSet& pSet)
: conf_(pSet),
TopFolderName_(pSet.getParameter<std::string>("TopFolderName")),
AlignmentLabel_(pSet.getParameter<std::string>("AlignmentLabel")),
ndof_(pSet.getParameter<int>("ndof")),
errorPrinted_(false),
nbvtx(nullptr),
bsX(nullptr),
bsY(nullptr),
bsZ(nullptr),
bsSigmaZ(nullptr),
bsDxdz(nullptr),
bsDydz(nullptr),
bsBeamWidthX(nullptr),
bsBeamWidthY(nullptr),
bsType(nullptr),
sumpt(nullptr),
ntracks(nullptr),
weight(nullptr),
chi2ndf(nullptr),
chi2prob(nullptr),
dxy(nullptr),
dxy2(nullptr),
dz(nullptr),
dxyErr(nullptr),
dzErr(nullptr),
dxyVsPhi_pt1(nullptr),
dzVsPhi_pt1(nullptr),
dxyVsEta_pt1(nullptr),
dzVsEta_pt1(nullptr),
dxyVsPhi_pt10(nullptr),
dzVsPhi_pt10(nullptr),
dxyVsEta_pt10(nullptr),
dzVsEta_pt10(nullptr) {
// dqmStore_ = edm::Service<DQMStore>().operator->();
vertexInputTag_ = pSet.getParameter<InputTag>("vertexLabel");
beamSpotInputTag_ = pSet.getParameter<InputTag>("beamSpotLabel");
vertexToken_ = consumes<reco::VertexCollection>(vertexInputTag_);
scoreToken_ = consumes<VertexScore>(vertexInputTag_);
beamspotToken_ = consumes<reco::BeamSpot>(beamSpotInputTag_);
}
// -- BeginRun
//---------------------------------------------------------------------------------//
void PrimaryVertexMonitor::bookHistograms(DQMStore::IBooker& iBooker, edm::Run const&, edm::EventSetup const&) {
std::string dqmLabel = "";
//
// Book all histograms.
//
// get the store
dqmLabel = TopFolderName_ + "/" + vertexInputTag_.label();
iBooker.setCurrentFolder(dqmLabel);
// xPos = iBooker.book1D ("xPos","x Coordinate" ,100, -0.1, 0.1);
nbvtx = iBooker.book1D("vtxNbr", "Reconstructed Vertices in Event", 80, -0.5, 79.5);
nbgvtx = iBooker.book1D("goodvtxNbr", "Reconstructed Good Vertices in Event", 80, -0.5, 79.5);
// to be configured each year...
auto vposx = conf_.getParameter<double>("Xpos");
auto vposy = conf_.getParameter<double>("Ypos");
nbtksinvtx[0] = iBooker.book1D("otherVtxTrksNbr", "Reconstructed Tracks in Vertex (other Vtx)", 40, -0.5, 99.5);
ntracksVsZ[0] = iBooker.bookProfile(
"otherVtxTrksVsZ", "Reconstructed Tracks in Vertex (other Vtx) vs Z", 80, -20., 20., 50, 0, 100, "");
ntracksVsZ[0]->setAxisTitle("z-bs", 1);
ntracksVsZ[0]->setAxisTitle("#tracks", 2);
score[0] = iBooker.book1D("otherVtxScore", "sqrt(score) (other Vtx)", 100, 0., 400.);
trksWeight[0] = iBooker.book1D("otherVtxTrksWeight", "Total weight of Tracks in Vertex (other Vtx)", 40, 0, 100.);
vtxchi2[0] = iBooker.book1D("otherVtxChi2", "#chi^{2} (other Vtx)", 100, 0., 200.);
vtxndf[0] = iBooker.book1D("otherVtxNdf", "ndof (other Vtx)", 100, 0., 200.);
vtxprob[0] = iBooker.book1D("otherVtxProb", "#chi^{2} probability (other Vtx)", 100, 0., 1.);
nans[0] = iBooker.book1D("otherVtxNans", "Illegal values for x,y,z,xx,xy,xz,yy,yz,zz (other Vtx)", 9, 0.5, 9.5);
nbtksinvtx[1] = iBooker.book1D("tagVtxTrksNbr", "Reconstructed Tracks in Vertex (tagged Vtx)", 100, -0.5, 99.5);
ntracksVsZ[1] = iBooker.bookProfile(
"tagVtxTrksVsZ", "Reconstructed Tracks in Vertex (tagged Vtx) vs Z", 80, -20., 20., 50, 0, 100, "");
ntracksVsZ[1]->setAxisTitle("z-bs", 1);
ntracksVsZ[1]->setAxisTitle("#tracks", 2);
score[1] = iBooker.book1D("tagVtxScore", "sqrt(score) (tagged Vtx)", 100, 0., 400.);
trksWeight[1] = iBooker.book1D("tagVtxTrksWeight", "Total weight of Tracks in Vertex (tagged Vtx)", 100, 0, 100.);
vtxchi2[1] = iBooker.book1D("tagVtxChi2", "#chi^{2} (tagged Vtx)", 100, 0., 200.);
vtxndf[1] = iBooker.book1D("tagVtxNdf", "ndof (tagged Vtx)", 100, 0., 200.);
vtxprob[1] = iBooker.book1D("tagVtxProb", "#chi^{2} probability (tagged Vtx)", 100, 0., 1.);
nans[1] = iBooker.book1D("tagVtxNans", "Illegal values for x,y,z,xx,xy,xz,yy,yz,zz (tagged Vtx)", 9, 0.5, 9.5);
xrec[0] = iBooker.book1D("otherPosX", "Position x Coordinate (other Vtx)", 100, vposx - 0.1, vposx + 0.1);
yrec[0] = iBooker.book1D("otherPosY", "Position y Coordinate (other Vtx)", 100, vposy - 0.1, vposy + 0.1);
zrec[0] = iBooker.book1D("otherPosZ", "Position z Coordinate (other Vtx)", 100, -20., 20.);
xDiff[0] = iBooker.book1D("otherDiffX", "X distance from BeamSpot (other Vtx)", 100, -500, 500);
yDiff[0] = iBooker.book1D("otherDiffY", "Y distance from BeamSpot (other Vtx)", 100, -500, 500);
xerr[0] = iBooker.book1D("otherErrX", "Uncertainty x Coordinate (other Vtx)", 100, 0., 100);
yerr[0] = iBooker.book1D("otherErrY", "Uncertainty y Coordinate (other Vtx)", 100, 0., 100);
zerr[0] = iBooker.book1D("otherErrZ", "Uncertainty z Coordinate (other Vtx)", 100, 0., 100);
xerrVsTrks[0] = iBooker.book2D(
"otherErrVsWeightX", "Uncertainty x Coordinate vs. track weight (other Vtx)", 100, 0, 100., 100, 0., 100);
yerrVsTrks[0] = iBooker.book2D(
"otherErrVsWeightY", "Uncertainty y Coordinate vs. track weight (other Vtx)", 100, 0, 100., 100, 0., 100);
zerrVsTrks[0] = iBooker.book2D(
"otherErrVsWeightZ", "Uncertainty z Coordinate vs. track weight (other Vtx)", 100, 0, 100., 100, 0., 100);
xrec[1] = iBooker.book1D("tagPosX", "Position x Coordinate (tagged Vtx)", 100, vposx - 0.1, vposx + 0.1);
yrec[1] = iBooker.book1D("tagPosY", "Position y Coordinate (tagged Vtx)", 100, vposy - 0.1, vposy + 0.1);
zrec[1] = iBooker.book1D("tagPosZ", "Position z Coordinate (tagged Vtx)", 100, -20., 20.);
xDiff[1] = iBooker.book1D("tagDiffX", "X distance from BeamSpot (tagged Vtx)", 100, -500, 500);
yDiff[1] = iBooker.book1D("tagDiffY", "Y distance from BeamSpot (tagged Vtx)", 100, -500, 500);
xerr[1] = iBooker.book1D("tagErrX", "Uncertainty x Coordinate (tagged Vtx)", 100, 0., 100);
yerr[1] = iBooker.book1D("tagErrY", "Uncertainty y Coordinate (tagged Vtx)", 100, 0., 100);
zerr[1] = iBooker.book1D("tagErrZ", "Uncertainty z Coordinate (tagged Vtx)", 100, 0., 100);
xerrVsTrks[1] = iBooker.book2D(
"tagErrVsWeightX", "Uncertainty x Coordinate vs. track weight (tagged Vtx)", 100, 0, 100., 100, 0., 100);
yerrVsTrks[1] = iBooker.book2D(
"tagErrVsWeightY", "Uncertainty y Coordinate vs. track weight (tagged Vtx)", 100, 0, 100., 100, 0., 100);
zerrVsTrks[1] = iBooker.book2D(
"tagErrVsWeightZ", "Uncertainty z Coordinate vs. track weight (tagged Vtx)", 100, 0, 100., 100, 0., 100);
type[0] = iBooker.book1D("otherType", "Vertex type (other Vtx)", 3, -0.5, 2.5);
type[1] = iBooker.book1D("tagType", "Vertex type (tagged Vtx)", 3, -0.5, 2.5);
for (int i = 0; i < 2; ++i) {
type[i]->setBinLabel(1, "Valid, real");
type[i]->setBinLabel(2, "Valid, fake");
type[i]->setBinLabel(3, "Invalid");
}
// get the store
dqmLabel = TopFolderName_ + "/" + beamSpotInputTag_.label();
iBooker.setCurrentFolder(dqmLabel);
bsX = iBooker.book1D("bsX", "BeamSpot x0", 100, -0.1, 0.1);
bsY = iBooker.book1D("bsY", "BeamSpot y0", 100, -0.1, 0.1);
bsZ = iBooker.book1D("bsZ", "BeamSpot z0", 100, -2., 2.);
bsSigmaZ = iBooker.book1D("bsSigmaZ", "BeamSpot sigmaZ", 100, 0., 10.);
bsDxdz = iBooker.book1D("bsDxdz", "BeamSpot dxdz", 100, -0.0003, 0.0003);
bsDydz = iBooker.book1D("bsDydz", "BeamSpot dydz", 100, -0.0003, 0.0003);
bsBeamWidthX = iBooker.book1D("bsBeamWidthX", "BeamSpot BeamWidthX", 100, 0., 100.);
bsBeamWidthY = iBooker.book1D("bsBeamWidthY", "BeamSpot BeamWidthY", 100, 0., 100.);
bsType = iBooker.book1D("bsType", "BeamSpot type", 4, -1.5, 2.5);
bsType->setBinLabel(1, "Unknown");
bsType->setBinLabel(2, "Fake");
bsType->setBinLabel(3, "LHC");
bsType->setBinLabel(4, "Tracker");
// get the store
dqmLabel = TopFolderName_ + "/" + AlignmentLabel_;
iBooker.setCurrentFolder(dqmLabel);
int TKNoBin = conf_.getParameter<int>("TkSizeBin");
double TKNoMin = conf_.getParameter<double>("TkSizeMin");
double TKNoMax = conf_.getParameter<double>("TkSizeMax");
int DxyBin = conf_.getParameter<int>("DxyBin");
double DxyMin = conf_.getParameter<double>("DxyMin");
double DxyMax = conf_.getParameter<double>("DxyMax");
int DzBin = conf_.getParameter<int>("DzBin");
double DzMin = conf_.getParameter<double>("DzMin");
double DzMax = conf_.getParameter<double>("DzMax");
int PhiBin = conf_.getParameter<int>("PhiBin");
double PhiMin = conf_.getParameter<double>("PhiMin");
double PhiMax = conf_.getParameter<double>("PhiMax");
int EtaBin = conf_.getParameter<int>("EtaBin");
double EtaMin = conf_.getParameter<double>("EtaMin");
double EtaMax = conf_.getParameter<double>("EtaMax");
ntracks = iBooker.book1D("ntracks", "number of PV tracks (p_{T} > 1 GeV)", TKNoBin, TKNoMin, TKNoMax);
ntracks->setAxisTitle("Number of PV Tracks (p_{T} > 1 GeV) per Event", 1);
ntracks->setAxisTitle("Number of Event", 2);
weight = iBooker.book1D("weight", "weight of PV tracks (p_{T} > 1 GeV)", 100, 0., 1.);
weight->setAxisTitle("weight of PV Tracks (p_{T} > 1 GeV) per Event", 1);
weight->setAxisTitle("Number of Event", 2);
sumpt = iBooker.book1D("sumpt", "#Sum p_{T} of PV tracks (p_{T} > 1 GeV)", 100, -0.5, 249.5);
chi2ndf = iBooker.book1D("chi2ndf", "PV tracks (p_{T} > 1 GeV) #chi^{2}/ndof", 100, 0., 20.);
chi2prob = iBooker.book1D("chi2prob", "PV tracks (p_{T} > 1 GeV) #chi^{2} probability", 100, 0., 1.);
dxy = iBooker.book1D("dxy", "PV tracks (p_{T} > 1 GeV) d_{xy} (#mum)", DxyBin, DxyMin, DxyMax);
dxy2 = iBooker.book1D("dxyzoom", "PV tracks (p_{T} > 1 GeV) d_{xy} (#mum)", DxyBin, DxyMin / 5., DxyMax / 5.);
dxyErr = iBooker.book1D("dxyErr", "PV tracks (p_{T} > 1 GeV) d_{xy} error (#mum)", 100, 0., 2000.);
dz = iBooker.book1D("dz", "PV tracks (p_{T} > 1 GeV) d_{z} (#mum)", DzBin, DzMin, DzMax);
dzErr = iBooker.book1D("dzErr", "PV tracks (p_{T} > 1 GeV) d_{z} error(#mum)", 100, 0., 10000.);
dxyVsPhi_pt1 = iBooker.bookProfile("dxyVsPhi_pt1",
"PV tracks (p_{T} > 1 GeV) d_{xy} (#mum) VS track #phi",
PhiBin,
PhiMin,
PhiMax,
DxyBin,
DxyMin,
DxyMax,
"");
dxyVsPhi_pt1->setAxisTitle("PV track (p_{T} > 1 GeV) #phi", 1);
dxyVsPhi_pt1->setAxisTitle("PV track (p_{T} > 1 GeV) d_{xy} (#mum)", 2);
dzVsPhi_pt1 = iBooker.bookProfile("dzVsPhi_pt1",
"PV tracks (p_{T} > 1 GeV) d_{z} (#mum) VS track #phi",
PhiBin,
PhiMin,
PhiMax,
DzBin,
DzMin,
DzMax,
"");
dzVsPhi_pt1->setAxisTitle("PV track (p_{T} > 1 GeV) #phi", 1);
dzVsPhi_pt1->setAxisTitle("PV track (p_{T} > 1 GeV) d_{z} (#mum)", 2);
dxyVsEta_pt1 = iBooker.bookProfile("dxyVsEta_pt1",
"PV tracks (p_{T} > 1 GeV) d_{xy} (#mum) VS track #eta",
EtaBin,
EtaMin,
EtaMax,
DxyBin,
DxyMin,
DxyMax,
"");
dxyVsEta_pt1->setAxisTitle("PV track (p_{T} > 1 GeV) #eta", 1);
dxyVsEta_pt1->setAxisTitle("PV track (p_{T} > 1 GeV) d_{xy} (#mum)", 2);
dzVsEta_pt1 = iBooker.bookProfile("dzVsEta_pt1",
"PV tracks (p_{T} > 1 GeV) d_{z} (#mum) VS track #eta",
EtaBin,
EtaMin,
EtaMax,
DzBin,
DzMin,
DzMax,
"");
dzVsEta_pt1->setAxisTitle("PV track (p_{T} > 1 GeV) #eta", 1);
dzVsEta_pt1->setAxisTitle("PV track (p_{T} > 1 GeV) d_{z} (#mum)", 2);
dxyVsPhi_pt10 = iBooker.bookProfile("dxyVsPhi_pt10",
"PV tracks (p_{T} > 10 GeV) d_{xy} (#mum) VS track #phi",
PhiBin,
PhiMin,
PhiMax,
DxyBin,
DxyMin,
DxyMax,
"");
dxyVsPhi_pt10->setAxisTitle("PV track (p_{T} > 10 GeV) #phi", 1);
dxyVsPhi_pt10->setAxisTitle("PV track (p_{T} > 10 GeV) d_{xy} (#mum)", 2);
dzVsPhi_pt10 = iBooker.bookProfile("dzVsPhi_pt10",
"PV tracks (p_{T} > 10 GeV) d_{z} (#mum) VS track #phi",
PhiBin,
PhiMin,
PhiMax,
DzBin,
DzMin,
DzMax,
"");
dzVsPhi_pt10->setAxisTitle("PV track (p_{T} > 10 GeV) #phi", 1);
dzVsPhi_pt10->setAxisTitle("PV track (p_{T} > 10 GeV) d_{z} (#mum)", 2);
dxyVsEta_pt10 = iBooker.bookProfile("dxyVsEta_pt10",
"PV tracks (p_{T} > 10 GeV) d_{xy} (#mum) VS track #eta",
EtaBin,
EtaMin,
EtaMax,
DxyBin,
DxyMin,
DxyMax,
"");
dxyVsEta_pt10->setAxisTitle("PV track (p_{T} > 10 GeV) #eta", 1);
dxyVsEta_pt10->setAxisTitle("PV track (p_{T} > 10 GeV) d_{xy} (#mum)", 2);
dzVsEta_pt10 = iBooker.bookProfile("dzVsEta_pt10",
"PV tracks (p_{T} > 10 GeV) d_{z} (#mum) VS track #eta",
EtaBin,
EtaMin,
EtaMax,
DzBin,
DzMin,
DzMax,
"");
dzVsEta_pt10->setAxisTitle("PV track (p_{T} > 10 GeV) #eta", 1);
dzVsEta_pt10->setAxisTitle("PV track (p_{T} > 10 GeV) d_{z} (#mum)", 2);
}
PrimaryVertexMonitor::~PrimaryVertexMonitor() {}
void PrimaryVertexMonitor::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
Handle<reco::VertexCollection> recVtxs;
iEvent.getByToken(vertexToken_, recVtxs);
Handle<VertexScore> scores;
iEvent.getByToken(scoreToken_, scores);
edm::Handle<reco::BeamSpot> beamSpotHandle;
iEvent.getByToken(beamspotToken_, beamSpotHandle);
//
// check for absent products and simply "return" in that case
//
if (recVtxs.isValid() == false || beamSpotHandle.isValid() == false) {
edm::LogWarning("PrimaryVertexMonitor")
<< " Some products not available in the event: VertexCollection " << vertexInputTag_ << " " << recVtxs.isValid()
<< " BeamSpot " << beamSpotInputTag_ << " " << beamSpotHandle.isValid() << ". Skipping plots for this event";
return;
}
// check upfront that refs to track are (likely) to be valid
{
bool ok = true;
for (const auto& v : *recVtxs) {
if (v.tracksSize() > 0) {
const auto& ref = v.trackRefAt(0);
if (ref.isNull() || !ref.isAvailable()) {
if (!errorPrinted_)
edm::LogWarning("PrimaryVertexMonitor")
<< "Skipping vertex collection: " << vertexInputTag_
<< " since likely the track collection the vertex has refs pointing to is missing (at least the first "
"TrackBaseRef is null or not available)";
else
errorPrinted_ = true;
ok = false;
}
}
}
if (!ok)
return;
}
BeamSpot beamSpot = *beamSpotHandle;
nbvtx->Fill(recVtxs->size() * 1.);
int ng = 0;
for (auto const& vx : (*recVtxs))
if (vx.isValid() && !vx.isFake() && vx.ndof() >= ndof_)
++ng;
nbgvtx->Fill(ng * 1.);
if (scores.isValid() && !(*scores).empty()) {
auto pvScore = (*scores).get(0);
score[1]->Fill(std::sqrt(pvScore));
for (unsigned int i = 1; i < (*scores).size(); ++i)
score[0]->Fill(std::sqrt((*scores).get(i)));
}
// fill PV tracks MEs (as now, for alignment)
if (!recVtxs->empty()) {
vertexPlots(recVtxs->front(), beamSpot, 1);
pvTracksPlots(recVtxs->front());
for (reco::VertexCollection::const_iterator v = recVtxs->begin() + 1; v != recVtxs->end(); ++v)
vertexPlots(*v, beamSpot, 0);
}
// Beamline plots:
bsX->Fill(beamSpot.x0());
bsY->Fill(beamSpot.y0());
bsZ->Fill(beamSpot.z0());
bsSigmaZ->Fill(beamSpot.sigmaZ());
bsDxdz->Fill(beamSpot.dxdz());
bsDydz->Fill(beamSpot.dydz());
bsBeamWidthX->Fill(beamSpot.BeamWidthX() * 10000);
bsBeamWidthY->Fill(beamSpot.BeamWidthY() * 10000);
// bsType->Fill(beamSpot.type());
}
void PrimaryVertexMonitor::pvTracksPlots(const Vertex& v) {
if (!v.isValid())
return;
if (v.isFake())
return;
if (v.tracksSize() == 0) {
ntracks->Fill(0);
return;
}
const math::XYZPoint myVertex(v.position().x(), v.position().y(), v.position().z());
size_t nTracks = 0;
float sumPT = 0.;
const int cmToUm = 10000;
for (reco::Vertex::trackRef_iterator t = v.tracks_begin(); t != v.tracks_end(); t++) {
bool isHighPurity = (**t).quality(reco::TrackBase::highPurity);
if (!isHighPurity)
continue;
float pt = (**t).pt();
if (pt < 1.)
continue;
nTracks++;
float eta = (**t).eta();
float phi = (**t).phi();
float w = v.trackWeight(*t);
float chi2NDF = (**t).normalizedChi2();
float chi2Prob = TMath::Prob((**t).chi2(), (int)(**t).ndof());
float Dxy = (**t).dxy(myVertex) * cmToUm; // is it needed ?
float Dz = (**t).dz(myVertex) * cmToUm; // is it needed ?
float DxyErr = (**t).dxyError() * cmToUm;
float DzErr = (**t).dzError() * cmToUm;
sumPT += pt * pt;
// fill MEs
weight->Fill(w);
chi2ndf->Fill(chi2NDF);
chi2prob->Fill(chi2Prob);
dxy->Fill(Dxy);
dxy2->Fill(Dxy);
dz->Fill(Dz);
dxyErr->Fill(DxyErr);
dzErr->Fill(DzErr);
dxyVsPhi_pt1->Fill(phi, Dxy);
dzVsPhi_pt1->Fill(phi, Dz);
dxyVsEta_pt1->Fill(eta, Dxy);
dzVsEta_pt1->Fill(eta, Dz);
if (pt < 10.)
continue;
dxyVsPhi_pt10->Fill(phi, Dxy);
dzVsPhi_pt10->Fill(phi, Dz);
dxyVsEta_pt10->Fill(eta, Dxy);
dzVsEta_pt10->Fill(eta, Dz);
}
ntracks->Fill(float(nTracks));
sumpt->Fill(sumPT);
}
void PrimaryVertexMonitor::vertexPlots(const Vertex& v, const BeamSpot& beamSpot, int i) {
if (i < 0 || i > 1)
return;
if (!v.isValid())
type[i]->Fill(2.);
else if (v.isFake())
type[i]->Fill(1.);
else
type[i]->Fill(0.);
if (v.isValid() && !v.isFake()) {
float weight = 0;
for (reco::Vertex::trackRef_iterator t = v.tracks_begin(); t != v.tracks_end(); t++)
weight += v.trackWeight(*t);
trksWeight[i]->Fill(weight);
nbtksinvtx[i]->Fill(v.tracksSize());
ntracksVsZ[i]->Fill(v.position().z() - beamSpot.z0(), v.tracksSize());
vtxchi2[i]->Fill(v.chi2());
vtxndf[i]->Fill(v.ndof());
vtxprob[i]->Fill(ChiSquaredProbability(v.chi2(), v.ndof()));
xrec[i]->Fill(v.position().x());
yrec[i]->Fill(v.position().y());
zrec[i]->Fill(v.position().z());
float xb = beamSpot.x0() + beamSpot.dxdz() * (v.position().z() - beamSpot.z0());
float yb = beamSpot.y0() + beamSpot.dydz() * (v.position().z() - beamSpot.z0());
xDiff[i]->Fill((v.position().x() - xb) * 10000);
yDiff[i]->Fill((v.position().y() - yb) * 10000);
xerr[i]->Fill(v.xError() * 10000);
yerr[i]->Fill(v.yError() * 10000);
zerr[i]->Fill(v.zError() * 10000);
xerrVsTrks[i]->Fill(weight, v.xError() * 10000);
yerrVsTrks[i]->Fill(weight, v.yError() * 10000);
zerrVsTrks[i]->Fill(weight, v.zError() * 10000);
nans[i]->Fill(1., edm::isNotFinite(v.position().x()) * 1.);
nans[i]->Fill(2., edm::isNotFinite(v.position().y()) * 1.);
nans[i]->Fill(3., edm::isNotFinite(v.position().z()) * 1.);
int index = 3;
for (int k = 0; k != 3; k++) {
for (int j = k; j != 3; j++) {
index++;
nans[i]->Fill(index * 1., edm::isNotFinite(v.covariance(k, j)) * 1.);
// in addition, diagonal element must be positive
if (j == k && v.covariance(k, j) < 0) {
nans[i]->Fill(index * 1., 1.);
}
}
}
}
}
//define this as a plug-in
DEFINE_FWK_MODULE(PrimaryVertexMonitor);