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[PWGJE] Refactor collision index handling in diffWakeTreeProducer #16842

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[PWGJE] Refactor collision index handling in diffWakeTreeProducer #16842

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88b57fa
Refactor collision index handling in diffWakeTreeProducer
wirthni Jun 27, 2026
12ea35b
Refactor conditional statements for particle momentum
wirthni Jun 27, 2026
8310b2e
Merge branch 'AliceO2Group:master' into table_branch_14May
nicola-wilson Jul 1, 2026
21d69a5
Fixed indexing
nicola-wilson Jul 1, 2026
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21 changes: 7 additions & 14 deletions PWGJE/TableProducer/diffWakeTreeProducer.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -22,13 +22,11 @@
#include "Common/DataModel/TrackSelectionTables.h"

#include <Framework/ASoA.h>
#include <Framework/AnalysisDataModel.h>
#include <Framework/AnalysisHelpers.h>
#include <Framework/AnalysisTask.h>
#include <Framework/HistogramRegistry.h>
#include <Framework/HistogramSpec.h>
#include <Framework/InitContext.h>
#include <Framework/OutputObjHeader.h>
#include <Framework/runDataProcessing.h>

// Event selection: Only events that contain track above some threshold
Expand Down Expand Up @@ -67,7 +65,6 @@ namespace o2::aod
namespace testcol
{
// Event properties
// DECLARE_SOA_COLUMN(Gi, gi, int64_t);
DECLARE_SOA_COLUMN(Rn, rn, int32_t); // run number
DECLARE_SOA_COLUMN(Cent, cent, float); // FT0C centrality
DECLARE_SOA_COLUMN(Mult, mult, int32_t); // TPC multiplicity
Expand Down Expand Up @@ -107,7 +104,6 @@ DECLARE_SOA_COLUMN(Dcaz, dcaz, int16_t);
} // namespace testtrack

DECLARE_SOA_TABLE(TableTrack, "AOD", "TABLETRACK",
o2::soa::Index<>,
testtrack::TableColId,
testtrack::Charge,
testtrack::P,
Expand All @@ -128,8 +124,6 @@ struct DiffWakeTreeProducer {
Configurable<float> zVertCut{"zVertCut", 10.0, "z_vertex cut"};
Configurable<float> etaCut{"etaCut", 0.9, "eta cut"};

int64_t collisionCounter = 0;

Produces<o2::aod::TableCols> testcol;
Produces<o2::aod::TableTrack> testtrack;

Expand Down Expand Up @@ -231,28 +225,28 @@ struct DiffWakeTreeProducer {
uint64_t bitmask20Bits = 0b11111111111111111111;

int64_t particlePx = (track.px() * 6000);
if (particlePx < 0)
if (particlePx < 0) {
substituteP |= static_cast<uint64_t>(1) << uppermostBit;
if (particlePx < 0)
particlePx = (-1) * particlePx;
}
substituteP |= (particlePx & bitmask20Bits) << lowermostBit;

uppermostBit = 41;
lowermostBit = 21;
int64_t particlePy = (track.py() * 6000);
if (particlePy < 0)
if (particlePy < 0) {
substituteP |= static_cast<uint64_t>(1) << uppermostBit;
if (particlePy < 0)
particlePy = (-1) * particlePy;
}
substituteP |= (particlePy & bitmask20Bits) << lowermostBit;

uppermostBit = 62;
lowermostBit = 42;
int64_t particlePz = (track.pz() * 6000);
if (particlePz < 0)
if (particlePz < 0) {
substituteP |= static_cast<uint64_t>(1) << uppermostBit;
if (particlePz < 0)
particlePz = (-1) * particlePz;
}
substituteP |= (particlePz & bitmask20Bits) << lowermostBit;

// dEdx
Expand All @@ -263,14 +257,13 @@ struct DiffWakeTreeProducer {
int16_t substituteDCAZ = static_cast<int16_t>(track.dcaZ() * 100);

//--------------- Fill track table ------------------
testtrack(collisionCounter,
testtrack(testcol.lastIndex(),
track.sign(),
substituteP,
substituteDEDX,
substituteDCAXY,
substituteDCAZ);
}
collisionCounter++;
}
};

Expand Down
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