[PWGEM] Add optional PCM material-budget weights in PCMPCM #15139
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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. | ||
| /// | ||
| /// \file materialBudgetWeights.cxx | ||
| /// | ||
| /// \brief This code produces a table to retrieve material budget weights. The table is to be join with V0PhotonKF | ||
| /// | ||
| /// \author Youssef El Mard (youssef.el.mard.bouziani@cern.ch) | ||
| /// | ||
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| #ifndef PWGEM_PHOTONMESON_CORE_MATERIALBUDGETWEIGHTS_H_ | ||
| #define PWGEM_PHOTONMESON_CORE_MATERIALBUDGETWEIGHTS_H_ | ||
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| #include "PWGEM/PhotonMeson/DataModel/gammaTables.h" | ||
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| #include "Framework/ASoAHelpers.h" | ||
| #include "Framework/AnalysisDataModel.h" | ||
| #include "Framework/AnalysisTask.h" | ||
| #include "Framework/Logger.h" | ||
| #include <CCDB/BasicCCDBManager.h> | ||
| #include <Framework/Configurable.h> | ||
| #include <Framework/InitContext.h> | ||
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| #include <map> | ||
| #include <string> | ||
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| using namespace o2; | ||
| using namespace o2::soa; | ||
| using namespace o2::framework; | ||
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| using MyV0PhotonsMB = o2::soa::Join<o2::aod::V0PhotonsKF, o2::aod::V0KFEMEventIds>; | ||
| using MyV0PhotonMB = MyV0PhotonsMB::iterator; | ||
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| struct MaterialBudgetWeights { | ||
| Produces<aod::V0PhotonOmegaMBWeights> omegaMBWeight; | ||
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| Configurable<std::string> ccdbUrl{"ccdbUrl", "http://ccdb-test.cern.ch:8080", "CCDB url"}; | ||
| Configurable<std::string> mbWeightsPath{"mbWeightsPath", "Users/y/yelmard/MaterialBudget/OmegaMBWeights", "Path of the mb weights"}; | ||
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| o2::ccdb::CcdbApi ccdbApi; | ||
| TH1F* hOmegaMBFromCCDB = nullptr; | ||
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| void init(InitContext&) | ||
| { | ||
| // Load CCDB object only when the real process is enabled | ||
| if (!doprocessMC) { | ||
| LOG(info) << "MaterialBudgetWeights: dummy mode enabled -> no CCDB query, will write weight=1"; | ||
| return; | ||
| } | ||
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| ccdbApi.init(ccdbUrl.value); | ||
| std::map<std::string, std::string> metadata; | ||
| LOG(info) << "MaterialBudgetWeights: loading Omega MB histogram from CCDB at path: " << mbWeightsPath.value; | ||
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| hOmegaMBFromCCDB = ccdbApi.retrieveFromTFileAny<TH1F>(mbWeightsPath, metadata, -1); | ||
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| if (!hOmegaMBFromCCDB) { | ||
| LOG(fatal) << "MaterialBudgetWeights: CCDB object is missing. Path=" << mbWeightsPath.value; | ||
| } | ||
| } | ||
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| float computeMBWeight(float v0Rxy) | ||
| { | ||
| if (!hOmegaMBFromCCDB) { | ||
| return 1.f; | ||
| } | ||
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| int binMBWeight = hOmegaMBFromCCDB->FindBin(v0Rxy); | ||
| if (binMBWeight < 1 || binMBWeight > hOmegaMBFromCCDB->GetNbinsX()) { | ||
| LOG(debug) << "MaterialBudgetWeights: v0Rxy out of histogram range, returning 1"; | ||
| return 1.f; | ||
| } | ||
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| return hOmegaMBFromCCDB->GetBinContent(binMBWeight); | ||
| } | ||
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| // real process (weights from CCDB) | ||
| void processMC(MyV0PhotonMB const& v0) | ||
| { | ||
| static bool once = false; | ||
| if (!once) { | ||
| LOG(info) << "MaterialBudgetWeights: standard process running"; | ||
| once = true; | ||
| } | ||
| if (!hOmegaMBFromCCDB) { // histogram not loaded => behave like dummy | ||
| omegaMBWeight(1.f); | ||
| return; | ||
| } | ||
| omegaMBWeight(computeMBWeight(v0.v0radius())); | ||
| } | ||
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| // dummy process (always weight = 1) | ||
| void processDummy(MyV0PhotonMB const&) | ||
| { | ||
| static bool once = false; | ||
| if (!once) { | ||
| LOG(info) << "MaterialBudgetWeights: processDummy running"; | ||
| once = true; | ||
| } | ||
| omegaMBWeight(1.f); | ||
| } | ||
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| PROCESS_SWITCH(MaterialBudgetWeights, processMC, "Fill MB weights from CCDB", false); | ||
| PROCESS_SWITCH(MaterialBudgetWeights, processDummy, "Fill dummy MB weights (=1)", true); | ||
| }; | ||
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| #endif // PWGEM_PHOTONMESON_CORE_MATERIALBUDGETWEIGHTS_H_ | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| // 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. | ||
| /// | ||
| /// \file MaterialBudgetWeights.h | ||
| /// | ||
| /// \brief This code produces a table to retrieve material budget weights. The table is to be join with V0PhotonKF | ||
| /// | ||
| /// \author Youssef El Mard (youssef.el.mard.bouziani@cern.ch) | ||
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| #include "PWGEM/PhotonMeson/Core/MaterialBudgetWeights.h" | ||
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| #include "Framework/runDataProcessing.h" | ||
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| using namespace o2::framework; | ||
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| WorkflowSpec defineDataProcessing(ConfigContext const& cfgc) | ||
| { | ||
| return WorkflowSpec{adaptAnalysisTask<MaterialBudgetWeights>(cfgc)}; | ||
| } |
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