[PWGJE] Created new task: Produce tables for diffusion wake analysis #16570
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| // Copyright 2019-2020 CERN and copyright holders of ALICE O2. | ||
| // See https://alice-o2.web.cern.ch/copyright for details of the copyright holders. | ||
| // All rights not expressly granted are reserved. | ||
| // | ||
| // This software is distributed under the terms of the GNU General Public | ||
| // License v3 (GPL Version 3), copied verbatim in the file "COPYING". | ||
| // | ||
| // 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. | ||
| /// | ||
| /// This task writes a collision and track table which are further used in | ||
| /// a diffusion wake analysis | ||
| /// | ||
| /// author N. Wilson | ||
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| #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> | ||
| // For centrality: | ||
| #include "Common/DataModel/Centrality.h" | ||
| #include "Common/DataModel/EventSelection.h" | ||
| // For TPC Mult | ||
| #include "Common/DataModel/Multiplicity.h" | ||
| // For DCA and TrackSelection | ||
| #include "Common/DataModel/TrackSelectionTables.h" | ||
| // For EP | ||
| #include "Common/Core/EventPlaneHelper.h" | ||
| #include "Common/DataModel/Qvectors.h" | ||
| // For occupancy bit | ||
| #include "Common/CCDB/EventSelectionParams.h" | ||
|
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Collaborator
There was a problem hiding this comment. Remove all comments (or move them to the ends of lines). They block the sorting and grouping.
Collaborator
There was a problem hiding this comment. Also make sure you include exactly what you use. |
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| // Event selection: Only events that contain track above some threshold | ||
| /* | ||
| ------------------------------------------------------------------------------------------- | ||
| TRACK DATA | ||
| ------------------------------------------------------------------------------------------- | ||
| BEFORE COMPRESSION AFTER COMPRESSION | ||
| Name Data Type Size(b) Name Data Type Size(b) | ||
| ColID int32_t 4 [same] | ||
| Charge short 2 [same] | ||
| Px, Py, Pz float 3x4 P unsigned long 8 | ||
| DEdx float 4 DEdx unsigned short 2 | ||
| DCAXY float 4 DCAXY short 2 | ||
| DCAZ float 4 DCAZ short 2 | ||
| Length float 4 Length unsigned short 2 | ||
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| OVERALL COMPRESSION 34b->22b | ||
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| ------------------------------------------------------------------------------------------- | ||
| EVENT DATA | ||
| ------------------------------------------------------------------------------------------- | ||
| GI int64_t 8 [same] | ||
| RN int 4 [same] | ||
| Cent float 4 [same] | ||
| Mult int 4 [same] | ||
| VertexX float 4 [same] | ||
| VertexY float 4 [same] | ||
| VertexZ float 4 [same] | ||
| Psi2 float 4 Psi2 short 2 | ||
| Psi3 float 4 Psi3 short 2 | ||
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| OVERALL COMPRESSION 40b->36b | ||
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| */ | ||
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| //-------------------------------------------------------- | ||
| 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 | ||
| DECLARE_SOA_COLUMN(Occu, occu, int32_t); // Occupancy ITS | ||
| DECLARE_SOA_COLUMN(Occuft0, occuft0, float); // Occupancy FT0C amplitudes | ||
| DECLARE_SOA_COLUMN(VertexX, vertexX, float); | ||
| DECLARE_SOA_COLUMN(VertexY, vertexY, float); | ||
| DECLARE_SOA_COLUMN(VertexZ, vertexZ, float); | ||
| DECLARE_SOA_COLUMN(Psi2, psi2, int16_t); | ||
| DECLARE_SOA_COLUMN(Psi3, psi3, int16_t); | ||
| } // namespace testcol | ||
| namespace testtrack | ||
| { | ||
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| // Track properties | ||
| DECLARE_SOA_COLUMN(Colid, colid, int32_t); // Collision ID | ||
| DECLARE_SOA_COLUMN(Charge, charge, int16_t); | ||
| DECLARE_SOA_COLUMN(P, p, uint64_t); | ||
| DECLARE_SOA_COLUMN(Dedx, dedx, uint16_t); | ||
| DECLARE_SOA_COLUMN(Dcaxy, dcaxy, int16_t); | ||
| DECLARE_SOA_COLUMN(Dcaz, dcaz, int16_t); | ||
| } // namespace testtrack | ||
| DECLARE_SOA_TABLE(TableCol, "AOD", "TABLECOL", | ||
| testcol::Gi, | ||
| testcol::Rn, | ||
| testcol::Cent, | ||
| testcol::Mult, | ||
| testcol::Occu, | ||
| testcol::Occuft0, | ||
| testcol::VertexX, | ||
| testcol::VertexY, | ||
| testcol::VertexZ, | ||
| testcol::Psi2, | ||
| testcol::Psi3); | ||
| DECLARE_SOA_TABLE(TableTrack, "AOD", "TABLETRACK", | ||
| testtrack::Colid, | ||
| testtrack::Charge, | ||
| testtrack::P, | ||
| testtrack::Dedx, | ||
| testtrack::Dcaxy, | ||
| testtrack::Dcaz); | ||
| } // namespace o2::aod | ||
| //-------------------------------------------------------- | ||
| using namespace o2; | ||
| using namespace o2::framework; | ||
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| struct tableDiffWake { | ||
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| HistogramRegistry histos{"histos", {}, OutputObjHandlingPolicy::AnalysisObject}; | ||
| Configurable<int> nBinsPt{"nBinsPt", 100, "N bins in pT histo"}; | ||
| Configurable<double> pT_thresh{"pT_thresh", 20.0, "pT threshold"}; | ||
| Configurable<float> cent_max{"cent_max", 10, "centrality"}; | ||
| Configurable<float> z_vert_cut{"z_vert_cut", 10.0, "z_vertex cut"}; | ||
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| Produces<o2::aod::TableCol> testcol; | ||
| Produces<o2::aod::TableTrack> testtrack; | ||
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| EventPlaneHelper helperEP; | ||
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| void init(InitContext const&) | ||
| { | ||
| const AxisSpec axisEta{30, -1.5, +1.5, "#eta"}; | ||
| const AxisSpec axispT{nBinsPt, 0, 10, "p_{T}"}; | ||
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Collaborator
There was a problem hiding this comment. are you sure you want pt only to be 0-10? this seems too small to me, do you mean 100 GeV? |
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| histos.add("etaHistogram", "etaHistogram", kTH1F, {axisEta}); | ||
| histos.add("pTHistogram", "pTHistogram", kTH1F, {axispT}); | ||
| } | ||
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| using bcs = aod::BCs; | ||
| void process(soa::Join<aod::Collisions, aod::EvSels, aod::CentFT0Cs, aod::TPCMults, aod::QvectorFT0Cs>::iterator const& col, | ||
| soa::Join<aod::TracksIU, aod::TracksExtra, aod::TracksDCA, aod::TrackSelection> const& tracks, | ||
| bcs const&) | ||
| { | ||
| // Event selection corresponds to sel8FullPbPb | ||
| if (!col.sel8()) | ||
| return; | ||
| if (col.centFT0C() > cent_max) | ||
| return; // Centrality 0 - 10 % | ||
| if (std::abs(col.posZ()) > z_vert_cut) | ||
| return; // z position < 10 cm | ||
| if (!col.selection_bit(o2::aod::evsel::kNoCollInRofStandard)) | ||
| return; | ||
| if (!col.selection_bit(o2::aod::evsel::kNoCollInTimeRangeStandard)) | ||
| return; | ||
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| //------ Get Run number --------------------- | ||
| auto bc = col.bc_as<bcs>(); | ||
| int run = bc.runNumber(); | ||
| //------------ EP --------------------------- | ||
| double ep2 = 0.0; | ||
| double ep3 = 0.0; | ||
| ep2 = helperEP.GetEventPlane(col.qvecFT0CRe(), col.qvecFT0CIm(), 2); | ||
| ep3 = helperEP.GetEventPlane(col.qvecFT0CRe(), col.qvecFT0CIm(), 3); | ||
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| //------- Only events with track above some thresh ---------- | ||
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| bool eventHighpT = false; | ||
| for (auto& track : tracks) { | ||
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| if (!track.isGlobalTrack()) | ||
| continue; | ||
| if (track.pt() > pT_thresh) { | ||
| eventHighpT = true; | ||
| break; | ||
| } | ||
| } | ||
| if (!eventHighpT) | ||
| return; | ||
| //------------------------------------------------------------ | ||
| // Translate values to less memory consuming values | ||
| Short_t Substitute_ep2 = (Short_t)(ep2 * 1000); | ||
| Short_t Substitute_ep3 = (Short_t)(ep3 * 1000); | ||
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| testcol(col.globalIndex(), | ||
| run, | ||
| col.centFT0C(), | ||
| col.multTPC(), | ||
| col.trackOccupancyInTimeRange(), | ||
| col.ft0cOccupancyInTimeRange(), | ||
| col.posX(), | ||
| col.posY(), | ||
| col.posZ(), | ||
| Substitute_ep2, | ||
| Substitute_ep3); | ||
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| for (auto& track : tracks) { | ||
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| // Track cut | ||
| if (!track.isGlobalTrack()) | ||
| continue; // General track cuts | ||
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| histos.fill(HIST("etaHistogram"), track.eta()); | ||
| histos.fill(HIST("pTHistogram"), track.pt()); | ||
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| //------------ Translate values to less memory consuming values -------------------- | ||
|
Collaborator
There was a problem hiding this comment. it is a nice idea to do this type of packing, however, I see no guards against maximum values. Are you sure no reasonable values can cause an overflow of your bits allocated for packing? |
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| // Px, Py, Pz | ||
| ULong64_t Substitute_p = 0; | ||
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| Long64_t Particle_px = (track.px() * 6000); | ||
| if (Particle_px < 0) | ||
| Substitute_p |= (ULong64_t)1 << 20; | ||
| if (Particle_px < 0) | ||
| Particle_px = (-1) * Particle_px; | ||
| for (Int_t i_bit = 0; i_bit < 20; i_bit++) { | ||
| if ((Particle_px & ((Long64_t)1 << i_bit))) | ||
| Substitute_p |= (ULong64_t)1 << i_bit; | ||
| } | ||
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| Long64_t Particle_py = (track.py() * 6000); | ||
| if (Particle_py < 0) | ||
| Substitute_p |= (ULong64_t)1 << 41; | ||
| if (Particle_py < 0) | ||
| Particle_py = (-1) * Particle_py; | ||
| for (Int_t i_bit = 21; i_bit < 41; i_bit++) { | ||
| if ((Particle_py & ((Long64_t)1 << (i_bit - 21)))) | ||
| Substitute_p |= (ULong64_t)1 << i_bit; | ||
| } | ||
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| Long64_t Particle_pz = (track.pz() * 6000); | ||
| if (Particle_pz < 0) | ||
| Substitute_p |= (ULong64_t)1 << 62; | ||
| if (Particle_pz < 0) | ||
| Particle_pz = (-1) * Particle_pz; | ||
| for (Int_t i_bit = 42; i_bit < 62; i_bit++) { | ||
| if ((Particle_pz & ((Long64_t)1 << (i_bit - 42)))) | ||
| Substitute_p |= (ULong64_t)1 << i_bit; | ||
| } | ||
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| // dEdx | ||
| UShort_t Substitute_dEdx = (UShort_t)(track.tpcSignal() * 10); | ||
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| // DCA | ||
| Short_t Substitute_DCAXY = (Short_t)(track.dcaXY() * 100); | ||
| Short_t Substitute_DCAZ = (Short_t)(track.dcaZ() * 100); | ||
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| //--------------- Fill track table ------------------ | ||
| testtrack(track.collisionId(), | ||
| track.sign(), | ||
| Substitute_p, | ||
| Substitute_dEdx, | ||
| Substitute_DCAXY, | ||
| Substitute_DCAZ); | ||
| } | ||
| } | ||
| }; | ||
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| WorkflowSpec defineDataProcessing(ConfigContext const& cfgc) | ||
| { | ||
| return WorkflowSpec{ | ||
| adaptAnalysisTask<tableDiffWake>(cfgc)}; | ||
| } | ||
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