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ddobrigk merged 1 commit into from
Jul 29, 2025
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Please consider the following formatting changes to #12308 #453

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50 changes: 25 additions & 25 deletions Common/Tasks/centralityStudy.cxx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.

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[doc/file] 

Provide mandatory file documentation.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
Expand All @@ -8,7 +8,7 @@
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
//

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[doc/file] 

Documentation for \author is missing, incorrect or misplaced.

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[doc/file] 

Documentation for \brief is missing, incorrect or misplaced.

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[doc/file] 

Documentation for \file is missing, incorrect or misplaced.
// This task does dedicated centrality studies for understanding the
// Run 3 Pb-Pb centrality selections in 2023 data. It is compatible with
// derived data.
Expand Down Expand Up @@ -37,7 +37,7 @@
using namespace o2::framework;

using BCsWithRun3Matchings = soa::Join<aod::BCs, aod::Timestamps, aod::Run3MatchedToBCSparse>;
#define getHist(type, name) std::get<std::shared_ptr<type>>(histPointers[name])

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[name/macro] 

Use SCREAMING_SNAKE_CASE for names of macros. Leading and double underscores are not allowed.

struct centralityStudy {
// Raw multiplicities
Expand All @@ -49,7 +49,7 @@
int mRunNumber;
uint64_t startOfRunTimestamp;

// vertex Z equalization
// vertex Z equalization
TList* hCalibObjects;
TProfile* hVtxZFV0A;
TProfile* hVtxZFT0A;
Expand Down Expand Up @@ -304,8 +304,8 @@
o2::parameters::GRPECSObject* grpo = ccdb->getForRun<o2::parameters::GRPECSObject>(pathGRPECSObject, mRunNumber);
startOfRunTimestamp = grpo->getTimeStart();

if(applyVertexZEqualization.value){
// acquire vertex-Z equalization histograms if requested
if (applyVertexZEqualization.value) {
// acquire vertex-Z equalization histograms if requested
LOGF(info, "Acquiring vertex-Z profiles for run %i", mRunNumber);
hCalibObjects = ccdb->getForRun<TList>(pathVertexZ, mRunNumber);

Expand Down Expand Up @@ -349,13 +349,13 @@
histPointers.insert({histPath + "hNMFTTracks", histos.add((histPath + "hNMFTTracks").c_str(), "hNMFTTracks", {kTH1D, {{axisMultUltraFineMFTTracks}}})});
histPointers.insert({histPath + "hNPVContributors", histos.add((histPath + "hNPVContributors").c_str(), "hNPVContributors", {kTH1D, {{axisMultUltraFinePVContributors}}})});

if(applyVertexZEqualization){
if (applyVertexZEqualization) {
histPointers.insert({histPath + "hFT0C_Collisions_Unequalized", histos.add((histPath + "hFT0C_Collisions_Unequalized").c_str(), "hFT0C_Collisions_Unequalized", {kTH1D, {{axisMultUltraFineFT0C}}})});
histPointers.insert({histPath + "hFT0M_Collisions_Unequalized", histos.add((histPath + "hFT0M_Collisions_Unequalized").c_str(), "hFT0M_Collisions_Unequalized", {kTH1D, {{axisMultUltraFineFT0M}}})});
histPointers.insert({histPath + "hFV0A_Collisions_Unequalized", histos.add((histPath + "hFV0A_Collisions_Unequalized").c_str(), "hFV0A_Collisions_Unequalized", {kTH1D, {{axisMultUltraFineFV0A}}})});
histPointers.insert({histPath + "hNGlobalTracks_Unequalized", histos.add((histPath + "hNGlobalTracks_Unequalized").c_str(), "hNGlobalTracks_Unequalized", {kTH1D, {{axisMultUltraFineGlobalTracks}}})});
histPointers.insert({histPath + "hNMFTTracks_Unequalized", histos.add((histPath + "hNMFTTracks_Unequalized").c_str(), "hNMFTTracks_Unequalized", {kTH1D, {{axisMultUltraFineMFTTracks}}})});
histPointers.insert({histPath + "hNPVContributors_Unequalized", histos.add((histPath + "hNPVContributors_Unequalized").c_str(), "hNPVContributors_Unequalized", {kTH1D, {{axisMultUltraFinePVContributors}}})});
histPointers.insert({histPath + "hNPVContributors_Unequalized", histos.add((histPath + "hNPVContributors_Unequalized").c_str(), "hNPVContributors_Unequalized", {kTH1D, {{axisMultUltraFinePVContributors}}})});
}

histPointers.insert({histPath + "hFT0CvsPVz_Collisions_All", histos.add((histPath + "hFT0CvsPVz_Collisions_All").c_str(), "hFT0CvsPVz_Collisions_All", {kTProfile, {{axisPVz}}})});
Expand Down Expand Up @@ -421,38 +421,38 @@
histos.fill(HIST("hCollisionSelection"), 1);
getHist(TH1, histPath + "hCollisionSelection")->Fill(1);

// calculate vertex-Z-equalized quantities if desired
float multFV0A = collision.multFV0A();
float multFT0A = collision.multFT0A();
// calculate vertex-Z-equalized quantities if desired
float multFV0A = collision.multFV0A();
float multFT0A = collision.multFT0A();
float multFT0C = collision.multFT0C();
float multNTracksGlobal = collision.multNTracksGlobal();
float mftNtracks = collision.mftNtracks();
float multNTracksPV = collision.multNTracksPV();
if(applyVertexZEqualization){
float multNTracksGlobal = collision.multNTracksGlobal();
float mftNtracks = collision.mftNtracks();
float multNTracksPV = collision.multNTracksPV();
if (applyVertexZEqualization) {
float epsilon = 1e-2; // average value after which this collision will be disregarded
multFV0A = -1.0f;
multFT0A = -1.0f;
multFT0C = -1.0f;
multNTracksGlobal = -1.0f;
mftNtracks = -1.0f;
multNTracksPV = -1.0f;
if(hVtxZFV0A->Interpolate(collision.multPVz()) > epsilon){
mftNtracks = -1.0f;
multNTracksPV = -1.0f;

if (hVtxZFV0A->Interpolate(collision.multPVz()) > epsilon) {
multFV0A = hVtxZFV0A->Interpolate(0.0) * collision.multFV0A() / hVtxZFV0A->Interpolate(collision.multPVz());
}
if(hVtxZFT0A->Interpolate(collision.multPVz()) > epsilon){
if (hVtxZFT0A->Interpolate(collision.multPVz()) > epsilon) {
multFT0A = hVtxZFT0A->Interpolate(0.0) * collision.multFT0A() / hVtxZFT0A->Interpolate(collision.multPVz());
}
if(hVtxZFT0C->Interpolate(collision.multPVz()) > epsilon){
if (hVtxZFT0C->Interpolate(collision.multPVz()) > epsilon) {
multFT0C = hVtxZFT0C->Interpolate(0.0) * collision.multFT0C() / hVtxZFT0C->Interpolate(collision.multPVz());
}
if(hVtxZNGlobals->Interpolate(collision.multPVz()) > epsilon){
if (hVtxZNGlobals->Interpolate(collision.multPVz()) > epsilon) {
multNTracksGlobal = hVtxZNGlobals->Interpolate(0.0) * collision.multNTracksGlobal() / hVtxZNGlobals->Interpolate(collision.multPVz());
}
if(hVtxZMFT->Interpolate(collision.multPVz()) > epsilon){
if (hVtxZMFT->Interpolate(collision.multPVz()) > epsilon) {
mftNtracks = hVtxZMFT->Interpolate(0.0) * collision.mftNtracks() / hVtxZMFT->Interpolate(collision.multPVz());
}
if(hVtxZNTracks->Interpolate(collision.multPVz()) > epsilon){
if (hVtxZNTracks->Interpolate(collision.multPVz()) > epsilon) {
multNTracksPV = hVtxZNTracks->Interpolate(0.0) * collision.multNTracksPV() / hVtxZNTracks->Interpolate(collision.multPVz());
}
}
Expand All @@ -470,9 +470,9 @@
bool passRejectCollInTimeRangeNarrow = !(rejectCollInTimeRangeNarrow && !collision.selection_bit(o2::aod::evsel::kNoCollInTimeRangeNarrow));
// _______________________________________________________
// sidestep vertex-Z rejection for vertex-Z profile histograms
if(passRejectITSROFBorder && passRejectTFBorder && passRequireIsVertexITSTPC && passRequireIsGoodZvtxFT0VsPV &&
passRequireIsVertexTOFmatched && passRequireIsVertexTRDmatched && passRejectSameBunchPileup && passRejectITSinROFpileupStandard && passRejectITSinROFpileupStrict &&
passSelectUPCcollisions && passRejectCollInTimeRangeNarrow){
if (passRejectITSROFBorder && passRejectTFBorder && passRequireIsVertexITSTPC && passRequireIsGoodZvtxFT0VsPV &&
passRequireIsVertexTOFmatched && passRequireIsVertexTRDmatched && passRejectSameBunchPileup && passRejectITSinROFpileupStandard && passRejectITSinROFpileupStrict &&
passSelectUPCcollisions && passRejectCollInTimeRangeNarrow) {
getHist(TProfile, histPath + "hFT0CvsPVz_Collisions_All")->Fill(collision.multPVz(), multFT0C * scaleSignalFT0C);
getHist(TProfile, histPath + "hFT0CvsPVz_Collisions")->Fill(collision.multPVz(), multFT0C * scaleSignalFT0C);
getHist(TProfile, histPath + "hFT0AvsPVz_Collisions")->Fill(collision.multPVz(), multFT0A * scaleSignalFT0C);
Expand All @@ -484,7 +484,7 @@

// _______________________________________________________

if (applyVtxZ && TMath::Abs(collision.multPVz()) > 10)

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return;
histos.fill(HIST("hCollisionSelection"), 2);
getHist(TH1, histPath + "hCollisionSelection")->Fill(2);
Expand Down Expand Up @@ -535,7 +535,7 @@

// do this only if information is available
if constexpr (requires { collision.timeToNext(); }) {
float timeToNeighbour = TMath::Min(

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
std::abs(collision.timeToNext()),
std::abs(collision.timeToPrevious()));
histos.fill(HIST("hDeltaTimeVsCentrality"), collision.centFT0C(), timeToNeighbour);
Expand Down Expand Up @@ -606,7 +606,7 @@
getHist(TH1, histPath + "hNGlobalTracks")->Fill(multNTracksGlobal);
getHist(TH1, histPath + "hNMFTTracks")->Fill(mftNtracks);

if(applyVertexZEqualization.value) {
if (applyVertexZEqualization.value) {
// save unequalized for cross-checks
getHist(TH1, histPath + "hNPVContributors_Unequalized")->Fill(collision.multNTracksPV());
getHist(TH1, histPath + "hFT0C_Collisions_Unequalized")->Fill(collision.multFT0C() * scaleSignalFT0C);
Expand Down Expand Up @@ -750,10 +750,10 @@
if (selectFV0OrA && !multbc.multFV0OrA())
return;
histos.fill(HIST("hBCSelection"), 3); // FV0OrA
if (vertexZwithT0 < 100.0f) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
if (!multbc.multFT0PosZValid())
return;
if (TMath::Abs(multbc.multFT0PosZ()) > vertexZwithT0)

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[root/entity] 

Replace ROOT entities with equivalents from standard C++ or from O2.
return;
}
histos.fill(HIST("hBCSelection"), 4); // FV0OrA
Expand Down
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