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[PWGJE] PWGJE - adding occupancy QA to jetFinderQA #9826

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Merged
nzardosh merged 2 commits into from
Feb 8, 2025
Merged

[PWGJE] PWGJE - adding occupancy QA to jetFinderQA #9826

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PWGJE - adding occupancy QA to jetFinderQA
aimeric-landou Feb 5, 2025
8b7a8b2
MegaLinter fixes
aimeric-landou Feb 7, 2025
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44 changes: 44 additions & 0 deletions PWGJE/Tasks/jetFinderQA.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,9 @@
/// \author Nima Zardoshti <nima.zardoshti@cern.ch>

#include <cmath>
#include <vector>
#include <string>
#include <algorithm>
#include <TRandom3.h>

#include "Framework/ASoA.h"
Expand Down Expand Up @@ -99,7 +102,7 @@
}
auto jetRadiiBins = (std::vector<double>)jetRadii;
if (jetRadiiBins.size() > 1) {
jetRadiiBins.push_back(jetRadiiBins[jetRadiiBins.size() - 1] + (TMath::Abs(jetRadiiBins[jetRadiiBins.size() - 1] - jetRadiiBins[jetRadiiBins.size() - 2])));

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[root-entity] 

Consider replacing ROOT entities with equivalents from standard C++ or from O2.
} else {
jetRadiiBins.push_back(jetRadiiBins[jetRadiiBins.size() - 1] + 0.1);
}
Expand Down Expand Up @@ -325,6 +328,18 @@
AxisSpec weightAxis = {{VARIABLE_WIDTH, 1e-13, 1e-12, 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6, 1e-5, 1e-4, 1e-3, 1e-2, 1e-1, 1.0, 10.0}, "weights"};
registry.add("h_collision_eventweight_part", "event weight;event weight;entries", {HistType::kTH1F, {weightAxis}});
}

AxisSpec occupancyAxis = {142, -1.5, 14000.5, "occupancy"};
AxisSpec nTracksAxis = {16001, -1., 16000, "n tracks"};

if (doprocessOccupancyQA) {
registry.add("h2_occupancy_ntracksall_presel", "occupancy vs N_{tracks}; occupancy; N_{tracks}", {HistType::kTH2I, {occupancyAxis, nTracksAxis}});
registry.add("h2_occupancy_ntracksall_postsel", "occupancy vs N_{tracks}; occupancy; N_{tracks}", {HistType::kTH2I, {occupancyAxis, nTracksAxis}});
registry.add("h2_occupancy_ntrackssel_presel", "occupancy vs N_{tracks}; occupancy; N_{tracks}", {HistType::kTH2I, {occupancyAxis, nTracksAxis}});
registry.add("h2_occupancy_ntrackssel_postsel", "occupancy vs N_{tracks}; occupancy; N_{tracks}", {HistType::kTH2I, {occupancyAxis, nTracksAxis}});
registry.add("h2_occupancy_ntracksselptetacuts_presel", "occupancy vs N_{tracks}; occupancy; N_{tracks}", {HistType::kTH2I, {occupancyAxis, nTracksAxis}});
registry.add("h2_occupancy_ntracksselptetacuts_postsel", "occupancy vs N_{tracks}; occupancy; N_{tracks}", {HistType::kTH2I, {occupancyAxis, nTracksAxis}});
}
}

Filter trackCuts = (aod::jtrack::pt >= trackPtMin && aod::jtrack::pt < trackPtMax && aod::jtrack::eta > trackEtaMin && aod::jtrack::eta < trackEtaMax);
Expand All @@ -336,7 +351,7 @@
{

if (jetAreaFractionMin > -98.0) {
if (jet.area() < jetAreaFractionMin * M_PI * (jet.r() / 100.0) * (jet.r() / 100.0)) {

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[external-pi] 

Consider using the PI constant (and its multiples and fractions) defined in o2::constants::math.
return false;
}
}
Expand Down Expand Up @@ -619,18 +634,18 @@
}
TRandom3 randomNumber(0);
float randomConeEta = randomNumber.Uniform(trackEtaMin + randomConeR, trackEtaMax - randomConeR);
float randomConePhi = randomNumber.Uniform(0.0, 2 * M_PI);

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[external-pi] 

Consider using the PI constant (and its multiples and fractions) defined in o2::constants::math.
float randomConePt = 0;
for (auto const& track : tracks) {
if (jetderiveddatautilities::selectTrack(track, trackSelection)) {
float dPhi = RecoDecay::constrainAngle(track.phi() - randomConePhi, static_cast<float>(-M_PI));

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float dEta = track.eta() - randomConeEta;
if (TMath::Sqrt(dEta * dEta + dPhi * dPhi) < randomConeR) {

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randomConePt += track.pt();
}
}
}
registry.fill(HIST("h2_centrality_rhorandomcone"), collision.centrality(), randomConePt - M_PI * randomConeR * randomConeR * collision.rho());

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// randomised eta,phi for tracks, to assess part of fluctuations coming from statistically independently emitted particles
randomConePt = 0;
Expand All @@ -638,7 +653,7 @@
if (jetderiveddatautilities::selectTrack(track, trackSelection)) {
float dPhi = RecoDecay::constrainAngle(randomNumber.Uniform(0.0, 2 * M_PI) - randomConePhi, static_cast<float>(-M_PI)); // ignores actual phi of track
float dEta = randomNumber.Uniform(trackEtaMin, trackEtaMax) - randomConeEta; // ignores actual eta of track
if (TMath::Sqrt(dEta * dEta + dPhi * dPhi) < randomConeR) {

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[root-entity] 

Consider replacing ROOT entities with equivalents from standard C++ or from O2.
randomConePt += track.pt();
}
}
Expand All @@ -651,7 +666,7 @@
float dEtaLeadingJet = jets.iteratorAt(0).eta() - randomConeEta;

bool jetWasInCone = false;
while ((randomConeLeadJetDeltaR <= 0 && (TMath::Sqrt(dEtaLeadingJet * dEtaLeadingJet + dPhiLeadingJet * dPhiLeadingJet) < jets.iteratorAt(0).r() / 100.0 + randomConeR)) || (randomConeLeadJetDeltaR > 0 && (TMath::Sqrt(dEtaLeadingJet * dEtaLeadingJet + dPhiLeadingJet * dPhiLeadingJet) < randomConeLeadJetDeltaR))) {

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Consider replacing ROOT entities with equivalents from standard C++ or from O2.
jetWasInCone = true;
randomConeEta = randomNumber.Uniform(trackEtaMin + randomConeR, trackEtaMax - randomConeR);
randomConePhi = randomNumber.Uniform(0.0, 2 * M_PI);
Expand All @@ -664,7 +679,7 @@
if (jetderiveddatautilities::selectTrack(track, trackSelection)) { // if track selection is uniformTrack, dcaXY and dcaZ cuts need to be added as they aren't in the selection so that they can be studied here
float dPhi = RecoDecay::constrainAngle(track.phi() - randomConePhi, static_cast<float>(-M_PI));
float dEta = track.eta() - randomConeEta;
if (TMath::Sqrt(dEta * dEta + dPhi * dPhi) < randomConeR) {

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randomConePt += track.pt();
}
}
Expand All @@ -681,7 +696,7 @@
if (jetderiveddatautilities::selectTrack(track, trackSelection)) {
float dPhi = RecoDecay::constrainAngle(randomNumber.Uniform(0.0, 2 * M_PI) - randomConePhi, static_cast<float>(-M_PI)); // ignores actual phi of track
float dEta = randomNumber.Uniform(trackEtaMin, trackEtaMax) - randomConeEta; // ignores actual eta of track
if (TMath::Sqrt(dEta * dEta + dPhi * dPhi) < randomConeR) {

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[root-entity] 

Consider replacing ROOT entities with equivalents from standard C++ or from O2.
if (!trackIsInJet(track, jets.iteratorAt(0))) {
randomConePtWithoutOneLeadJet += track.pt();
if (!trackIsInJet(track, jets.iteratorAt(1))) {
Expand Down Expand Up @@ -1168,6 +1183,35 @@
randomCone(collision, jets, tracks);
}
PROCESS_SWITCH(JetFinderQATask, processRandomConeMCD, "QA for random cone estimation of background fluctuations in mcd", false);

void processOccupancyQA(soa::Filtered<aod::JetCollisions>::iterator const& collision, aod::JetTracks const& tracks)
{
if (skipMBGapEvents && collision.subGeneratorId() == jetderiveddatautilities::JCollisionSubGeneratorId::mbGap) {
return;
}
int occupancy = collision.trackOccupancyInTimeRange();
int nTracksAll = tracks.size();
int nTracksAllAcceptanceAndSelected = 0;
int nTracksInAcceptanceAndSelected = 0;
for (auto const& track : tracks) {
if (jetderiveddatautilities::selectTrack(track, trackSelection)) {
nTracksAllAcceptanceAndSelected += 1;
if (track.pt() >= trackPtMin && track.pt() < trackPtMax && track.eta() > trackEtaMin && track.eta() < trackEtaMax) {
nTracksInAcceptanceAndSelected += 1;
}
}
}

registry.fill(HIST("h2_occupancy_ntracksall_presel"), occupancy, nTracksAll);
registry.fill(HIST("h2_occupancy_ntrackssel_presel"), occupancy, nTracksAllAcceptanceAndSelected);
registry.fill(HIST("h2_occupancy_ntracksselptetacuts_presel"), occupancy, nTracksInAcceptanceAndSelected);
if (!jetderiveddatautilities::selectCollision(collision, eventSelectionBits)) {
registry.fill(HIST("h2_occupancy_ntracksall_postsel"), occupancy, nTracksAll);
registry.fill(HIST("h2_occupancy_ntrackssel_postsel"), occupancy, nTracksAllAcceptanceAndSelected);
registry.fill(HIST("h2_occupancy_ntracksselptetacuts_postsel"), occupancy, nTracksInAcceptanceAndSelected);
}
}
PROCESS_SWITCH(JetFinderQATask, processOccupancyQA, "occupancy QA on jet derived data", false);
};

WorkflowSpec defineDataProcessing(ConfigContext const& cfgc) { return WorkflowSpec{adaptAnalysisTask<JetFinderQATask>(cfgc, TaskName{"jet-finder-charged-qa"})}; }
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