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Add impact parameter significance histograms to tracking DQM #8410

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merged 1 commit into from Mar 20, 2015
Merged

Add impact parameter significance histograms to tracking DQM #8410

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1 change: 1 addition & 0 deletions DQM/TrackingMonitor/BuildFile.xml
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Expand Up @@ -10,6 +10,7 @@
<use name="TrackingTools/TransientTrackingRecHit"/>
<use name="TrackingTools/TransientTrack"/>
<use name="TrackingTools/DetLayers"/>
<use name="TrackingTools/IPTools"/>
<use name="TrackPropagation/SteppingHelixPropagator"/>
<use name="DataFormats/MuonReco"/>
<use name="Geometry/RPCGeometry"/>
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13 changes: 12 additions & 1 deletion DQM/TrackingMonitor/interface/TrackAnalyzer.h
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Expand Up @@ -94,6 +94,10 @@ class TrackAnalyzer

//For HI Plots
bool doHIPlots_;

// IP significance plots
bool doSIPPlots_;

std::string qualityString_;

struct TkParameterMEs {
Expand Down Expand Up @@ -267,7 +271,14 @@ class TrackAnalyzer
MonitorElement* dNdPt_HighPurity;
MonitorElement* NhitVsEta_HighPurity;
MonitorElement* NhitVsPhi_HighPurity;


// IP significance plots
MonitorElement *sipDxyToBS;
MonitorElement *sipDzToBS;
MonitorElement *sip3dToPV;
MonitorElement *sip2dToPV;
MonitorElement *sipDxyToPV;
MonitorElement *sipDzToPV;

struct TkRecHitsPerSubDetMEs {
MonitorElement* NumberOfRecHitsPerTrack;
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1 change: 1 addition & 0 deletions DQM/TrackingMonitor/python/TrackingMonitor_cfi.py
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Expand Up @@ -57,6 +57,7 @@
doDCAPlots = cms.bool(False),
doDCAwrtPVPlots = cms.bool(False),
doDCAwrt000Plots = cms.bool(False),
doSIPPlots = cms.bool(False),
doGeneralPropertiesPlots = cms.bool(False),
doHitPropertiesPlots = cms.bool(False),
# doGoodTrackPlots = cms.bool(False),
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77 changes: 73 additions & 4 deletions DQM/TrackingMonitor/src/TrackAnalyzer.cc
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Expand Up @@ -9,6 +9,7 @@
#include "TrackingTools/TransientTrack/interface/TransientTrackBuilder.h"
#include "TrackingTools/Records/interface/TransientTrackRecord.h"
#include "TrackingTools/TransientTrack/interface/TransientTrack.h"
#include "TrackingTools/IPTools/interface/IPTools.h"
#include "MagneticField/Engine/interface/MagneticField.h"

#include "FWCore/MessageLogger/interface/MessageLogger.h"
Expand Down Expand Up @@ -38,6 +39,7 @@ TrackAnalyzer::TrackAnalyzer(const edm::ParameterSet& iConfig)
, doLumiAnalysis_ ( conf_.getParameter<bool>("doLumiAnalysis") )
, doTestPlots_ ( conf_.getParameter<bool>("doTestPlots") )
, doHIPlots_ ( conf_.getParameter<bool>("doHIPlots") )
, doSIPPlots_ ( conf_.getParameter<bool>("doSIPPlots") )
, qualityString_ ( conf_.getParameter<std::string>("qualityString"))
{
initHistos();
Expand Down Expand Up @@ -118,6 +120,13 @@ void TrackAnalyzer::initHistos()
NhitVsEta_HighPurity = NULL;
NhitVsPhi_HighPurity = NULL;

// IP significance
sipDxyToBS = NULL;
sipDzToBS = NULL;
sip3dToPV = NULL;
sip2dToPV = NULL;
sipDxyToPV = NULL;
sipDzToPV = NULL;

}

Expand Down Expand Up @@ -622,6 +631,46 @@ void TrackAnalyzer::bookHistosForBeamSpot(DQMStore::IBooker & ibooker) {
}
}


if (doSIPPlots_ || doAllPlots_) {
const double sipBins = 200;
const double sipMin = -20;
const double sipMax = 20;

ibooker.setCurrentFolder(TopFolder_+"/GeneralProperties");

// SIP wrt. beamspot
histname = "SIPDxyToBS_";
sipDxyToBS = ibooker.book1D(histname+CategoryName, histname+CategoryName, sipBins, sipMin, sipMax);
sipDxyToBS->setAxisTitle("Track dxy significance wrt beam spot",1);
sipDxyToBS->setAxisTitle("Number of Tracks",2);

histname = "SIPDzToBS_";
sipDzToBS = ibooker.book1D(histname+CategoryName, histname+CategoryName, sipBins, sipMin, sipMax);
sipDzToBS->setAxisTitle("Track dz significance wrt beam spot",1);
sipDzToBS->setAxisTitle("Number of Tracks",2);

// SIP wrt. vertex
histname = "SIP3DToPV_";
sip3dToPV = ibooker.book1D(histname+CategoryName, histname+CategoryName, sipBins, sipMin, sipMax);
sip3dToPV->setAxisTitle("3D IP significance wrt primary vertex",1);
sip3dToPV->setAxisTitle("Number of Tracks",2);

histname = "SIP2DToPV_";
sip2dToPV = ibooker.book1D(histname+CategoryName, histname+CategoryName, sipBins, sipMin, sipMax);
sip2dToPV->setAxisTitle("2D IP significance wrt primary vertex",1);
sip2dToPV->setAxisTitle("Number of Tracks",2);

histname = "SIPDxyToPV_";
sipDxyToPV = ibooker.book1D(histname+CategoryName, histname+CategoryName, sipBins, sipMin, sipMax);
sipDxyToPV->setAxisTitle("Track dxy significance wrt primary vertex",1);
sipDxyToPV->setAxisTitle("Number of Tracks",2);

histname = "SIPDzToPV_";
sipDzToPV = ibooker.book1D(histname+CategoryName, histname+CategoryName, sipBins, sipMin, sipMax);
sipDzToPV->setAxisTitle("Track dz significance wrt primary vertex",1);
sipDzToPV->setAxisTitle("Number of Tracks",2);
}
}

// -- Analyse
Expand Down Expand Up @@ -687,11 +736,11 @@ void TrackAnalyzer::analyze(const edm::Event& iEvent, const edm::EventSetup& iSe
Chi2oNDF_lumiFlag -> Fill(chi2oNDF);
}

if(doDCAPlots_ || doBSPlots_ || doAllPlots_) {
if(doDCAPlots_ || doBSPlots_ || doSIPPlots_ || doAllPlots_) {

edm::Handle<reco::BeamSpot> recoBeamSpotHandle;
iEvent.getByToken(beamSpotToken_,recoBeamSpotHandle);
reco::BeamSpot bs = *recoBeamSpotHandle;
const reco::BeamSpot& bs = *recoBeamSpotHandle;

DistanceOfClosestApproachToBS -> Fill(track.dxy(bs.position()));
DistanceOfClosestApproachToBSVsPhi -> Fill(track.phi(), track.dxy(bs.position()));
Expand All @@ -704,13 +753,18 @@ void TrackAnalyzer::analyze(const edm::Event& iEvent, const edm::EventSetup& iSe
TESTDistanceOfClosestApproachToBS -> Fill(track.dxy(bs.position(track.vz())));
TESTDistanceOfClosestApproachToBSVsPhi -> Fill(track.phi(), track.dxy(bs.position(track.vz())));
}

if(doSIPPlots_) {
sipDxyToBS->Fill(track.dxy(bs.position())/track.dxyError());
sipDzToBS->Fill(track.dz(bs.position())/track.dzError());
}
}

if(doDCAPlots_ || doPVPlots_ || doAllPlots_) {
if(doDCAPlots_ || doPVPlots_ || doSIPPlots_ || doAllPlots_) {
edm::Handle<reco::VertexCollection> recoPrimaryVerticesHandle;
iEvent.getByToken(pvToken_,recoPrimaryVerticesHandle);
if (recoPrimaryVerticesHandle->size() > 0) {
reco::Vertex pv = recoPrimaryVerticesHandle->at(0);
const reco::Vertex& pv = (*recoPrimaryVerticesHandle)[0];


//////////////////
Expand Down Expand Up @@ -742,6 +796,21 @@ void TrackAnalyzer::analyze(const edm::Event& iEvent, const edm::EventSetup& iSe
DistanceOfClosestApproachToPVVsPhi -> Fill(track.phi(), track.dxy(pv.position()));
xPointOfClosestApproachVsZ0wrtPV -> Fill(track.dz(pv.position()),(track.vx()-pv.position().x()));
yPointOfClosestApproachVsZ0wrtPV -> Fill(track.dz(pv.position()),(track.vy()-pv.position().y()));


if(doSIPPlots_) {
edm::ESHandle<TransientTrackBuilder> theB;
iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder",theB);
reco::TransientTrack transTrack = theB->build(track);

GlobalVector dir(track.px(), track.py(), track.pz());
std::pair<bool, Measurement1D> ip3d = IPTools::signedImpactParameter3D(transTrack, dir, pv);
std::pair<bool, Measurement1D> ip2d = IPTools::signedTransverseImpactParameter(transTrack, dir, pv);
sip3dToPV->Fill(ip3d.second.value() / ip3d.second.error());
sip2dToPV->Fill(ip2d.second.value() / ip2d.second.error());
sipDxyToPV->Fill(track.dxy(pv.position())/track.dxyError());
sipDzToPV->Fill(track.dz(pv.position())/track.dzError());
}
}
}

Expand Down
2 changes: 2 additions & 0 deletions DQM/TrackingMonitorSource/python/TrackingSourceConfig_Tier0_cff.py
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Expand Up @@ -23,6 +23,7 @@
locals()[label].doDCAPlots = doPlotsPCA[tracks]
locals()[label].doDCAwrtPVPlots = doPlotsPCA[tracks]
locals()[label].doDCAwrt000Plots = doPlotsPCA[tracks]
locals()[label].doSIPPlots = doPlotsPCA[tracks]
locals()[label].numCut = numCutString[tracks]
locals()[label].denCut = denCutString[tracks]
locals()[label].setLabel(label)
Expand All @@ -40,6 +41,7 @@
locals()[label].doDCAPlots = doPlotsPCA[tracks]
locals()[label].doDCAwrtPVPlots = doPlotsPCA[tracks]
locals()[label].doDCAwrt000Plots = doPlotsPCA[tracks]
locals()[label].doSIPPlots = doPlotsPCA[tracks]
locals()[label].numCut = numCutString[tracks]
locals()[label].denCut = denCutString[tracks]
locals()[label].setLabel(label)
Expand Down