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[Common] Add dowscaling factor for derived table #13778

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Merged
ddobrigk merged 1 commit into from
Nov 13, 2025
Merged

[Common] Add dowscaling factor for derived table #13778

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7 changes: 5 additions & 2 deletions Common/TableProducer/zdcExtraTableProducer.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@

#include <TH1.h>
#include <TH2.h>
#include <TRandom3.h>

#include <cstdint>

Expand Down Expand Up @@ -64,7 +65,9 @@ struct ZdcExtraTableProducer {
Configurable<bool> cfgEvSelsNoCollInTimeRangeStandard{"cfgEvSelsNoCollInTimeRangeStandard", true, "Event selection: no collision in time range standard"};
Configurable<bool> cfgEvSelsIsVertexITSTPC{"cfgEvSelsIsVertexITSTPC", true, "Event selection: is vertex ITSTPC"};
Configurable<bool> cfgEvSelsIsGoodITSLayersAll{"cfgEvSelsIsGoodITSLayersAll", true, "Event selection: is good ITS layers all"};
//
// Calibration settings
Configurable<float> cfgCalibrationDownscaling{"cfgCalibrationDownscaling", 1.f, "Percentage of events to be saved to derived table"};

HistogramRegistry registry{"Histos", {}, OutputObjHandlingPolicy::AnalysisObject};

enum SelectionCriteria {
Expand Down Expand Up @@ -311,7 +314,7 @@ struct ZdcExtraTableProducer {
auto vx = collision.posX();
auto vy = collision.posY();

if (isZNAhit || isZNChit) {
if ((isZNAhit || isZNChit) && (gRandom->Uniform() < cfgCalibrationDownscaling)) {
zdcextras(pmcZNA, pmqZNA[0], pmqZNA[1], pmqZNA[2], pmqZNA[3], tdcZNA, centroidZNA[0], centroidZNA[1], pmcZNC, pmqZNC[0], pmqZNC[1], pmqZNC[2], pmqZNC[3], tdcZNC, centroidZNC[0], centroidZNC[1], centrality, vx, vy, vz, foundBC.timestamp(), foundBC.runNumber(), evSelection);
}
}
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