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[PWGLF] Make sure that B field is updated when necessary #12777

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Merged
mpuccio merged 1 commit into from
Aug 28, 2025
Merged

[PWGLF] Make sure that B field is updated when necessary #12777

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3 changes: 2 additions & 1 deletion PWGLF/TableProducer/Nuspex/decay3bodybuilder.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,7 @@
#include <vector>

#ifndef HomogeneousField
#define HomogeneousField

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[name/macro] 

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

// includes KFParticle
Expand Down Expand Up @@ -236,7 +236,7 @@

// CCDB and magnetic field
int mRunNumber;
float d_bz;

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
Service<o2::ccdb::BasicCCDBManager> ccdb;
o2::base::Propagator::MatCorrType matCorr = o2::base::Propagator::MatCorrType::USEMatCorrNONE;
std::unordered_map<int, float> ccdbCache; // Maps runNumber -> d_bz
Expand Down Expand Up @@ -298,7 +298,7 @@
}
matCorr = o2::base::Propagator::MatCorrType::USEMatCorrTGeo;
}
if (useMatCorrType == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
LOGF(info, "LUT correction requested, loading LUT");
lut = o2::base::MatLayerCylSet::rectifyPtrFromFile(ccdb->get<o2::base::MatLayerCylSet>(ccdbConfigurations.lutPath));
matCorr = o2::base::Propagator::MatCorrType::USEMatCorrLUT;
Expand Down Expand Up @@ -501,13 +501,14 @@

auto timestamp = bc.timestamp();
o2::parameters::GRPMagField* grpmag = 0x0;
grpmag = ccdb->getForTimeStamp<o2::parameters::GRPMagField>(ccdbConfigurations.grpmagPath, timestamp);
ccdb->clearCache(ccdbConfigurations.grpmagPath);
grpmag = ccdb->getSpecific<o2::parameters::GRPMagField>(ccdbConfigurations.grpmagPath, timestamp);
if (!grpmag) {
LOG(fatal) << "Got nullptr from CCDB for path " << ccdbConfigurations.grpmagPath << " of object GRPMagField for timestamp " << timestamp;
}
o2::base::Propagator::initFieldFromGRP(grpmag);
// Fetch magnetic field from ccdb for current collision
auto d_bz = o2::base::Propagator::Instance()->getNominalBz();

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
LOG(info) << "Retrieved GRP for timestamp " << timestamp << " with magnetic field of " << d_bz << " kG";

// set magnetic field value for DCA fitter
Expand All @@ -518,7 +519,7 @@
KFParticle::SetField(d_bz);
#endif

if (useMatCorrType == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
// setMatLUT only after magfield has been initalized
// (setMatLUT has implicit and problematic init field call if not)
LOG(info) << "Loading material look-up table for timestamp: " << timestamp;
Expand Down Expand Up @@ -578,7 +579,7 @@
helper.fitterV0.setBz(magField);
helper.fitter3body.setBz(magField);

if (useMatCorrType == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
// setMatLUT only after magfield has been initalized (setMatLUT has implicit and problematic init field call if not)
o2::base::Propagator::Instance()->setMatLUT(lut);
}
Expand Down Expand Up @@ -632,7 +633,7 @@
continue;
}
registry.fill(HIST("Counters/hEventCounter"), 1.5);
if (doPosZselection && (collision.posZ() >= 10.0f || collision.posZ() <= -10.0f)) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
}
registry.fill(HIST("Counters/hEventCounter"), 2.5);
Expand Down Expand Up @@ -696,7 +697,7 @@
continue;
}
}
if (doPosZselection && (collision.posZ() >= 10.0f || collision.posZ() <= -10.0f)) {

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[magic-number] 

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

Expand Down Expand Up @@ -1019,7 +1020,7 @@
doMixing(collision1, trackProton0, trackPion1, trackDeuteron1, magFieldCol1);
}
// mix pion
if (mixingOpts.mixingType == 2) {

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
doMixing(collision0, trackProton0, trackPion1, trackDeuteron0, magFieldCol0);
doMixing(collision1, trackProton1, trackPion0, trackDeuteron1, magFieldCol1);
}
Expand Down Expand Up @@ -1268,7 +1269,7 @@
auto yAxis = registry.get<TH2>(HIST("Mixing/hDecay3BodyRadiusPhi"))->GetYaxis();

for (const auto& decay3body : decay3bodys) {
int bin_Radius, bin_Phi;

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
if (decay3bodyBuilderOpts.useKFParticle) {
bin_Radius = xAxis->FindBin(decay3body.radiusKF());
bin_Phi = yAxis->FindBin(decay3body.phiKF());
Expand Down
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