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Add option to process only tracked cascades #2433

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Merged
njacazio merged 2 commits into from
Apr 20, 2023
Merged

Add option to process only tracked cascades #2433

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f3d5961
Add option to process only tracked cascades
ddobrigk Apr 18, 2023
79a5be9
Please consider the following formatting changes (#101)
alibuild Apr 18, 2023
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14 changes: 11 additions & 3 deletions PWGLF/TableProducer/cascadebuilder.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -115,6 +115,7 @@ struct cascadeBuilder {
Configurable<int> rejDiffCollTracks{"rejDiffCollTracks", 0, "rejDiffCollTracks"};
Configurable<bool> d_doTrackQA{"d_doTrackQA", false, "do track QA"};
Configurable<bool> d_doStraTrackQA{"d_doStraTrackQA", false, "do strangeness tracking QA"};
Configurable<bool> d_GenerateOnlyTrackedCascades{"d_GenerateOnlyTrackedCascades", false, "Skip cascades that aren't tracked"};

// CCDB options
Configurable<std::string> ccdburl{"ccdb-url", "http://alice-ccdb.cern.ch", "url of the ccdb repository"};
Expand Down Expand Up @@ -766,6 +767,15 @@ struct cascadeBuilder {
statisticsRegistry.eventCounter++;

for (auto& cascade : cascades) {
// check if cascade is tracked - sliceBy is our friend!
const uint64_t cascIdx = cascade.globalIndex();
auto trackedCascadesSliced = trackedCascades.sliceBy(perCascade, cascIdx);

// if only tracked cascades are desired, skip this candidate before doing anything (speed)
if (trackedCascadesSliced.size() == 0 && d_GenerateOnlyTrackedCascades) {
continue; // wasn't tracked
}

bool validCascadeCandidate = buildCascadeCandidate<TTrackTo>(cascade);
if (!validCascadeCandidate)
continue; // doesn't pass cascade selections
Expand Down Expand Up @@ -815,6 +825,7 @@ struct cascadeBuilder {
}

float lPt = 0.0f;

if (d_doStraTrackQA) {
// Fill standard DCA histograms for all candidates (irrespectively of strangeness tracking)
lPt = RecoDecay::sqrtSumOfSquares(cascadecandidate.v0mompos[0] + cascadecandidate.v0momneg[0] + cascadecandidate.bachP[0], cascadecandidate.v0mompos[1] + cascadecandidate.v0momneg[1] + cascadecandidate.bachP[1]);
Expand All @@ -828,9 +839,6 @@ struct cascadeBuilder {
registry.fill(HIST("hDCACascadeToPVOmegaPlus"), lPt, cascadecandidate.cascDCAxy);
}

// check if cascade is tracked - sliceBy is our friend!
const uint64_t cascIdx = cascade.globalIndex();
auto trackedCascadesSliced = trackedCascades.sliceBy(perCascade, cascIdx);
if (trackedCascadesSliced.size() > 0) {
auto trackedCascade = trackedCascadesSliced.begin(); // first and only element

Expand Down