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histograms.cxx
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49 lines (44 loc) · 1.74 KB
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// Copyright CERN and copyright holders of ALICE O2. This software is
// distributed under the terms of the GNU General Public License v3 (GPL
// Version 3), copied verbatim in the file "COPYING".
//
// See http://alice-o2.web.cern.ch/license for full licensing information.
//
// 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.
#include "Framework/runDataProcessing.h"
#include "Framework/AnalysisTask.h"
#include "Framework/AnalysisDataModel.h"
#include "Framework/HistogramRegistry.h"
#include <TH1F.h>
using namespace o2;
using namespace o2::framework;
// This is a very simple example showing how to create an histogram
// FIXME: this should really inherit from AnalysisTask but
// we need GCC 7.4+ for that
struct ATask {
HistogramRegistry registry{
"MyAnalysisHistos",
true,
{{"Test1", "SomethingElse1", {"TH1F", 100, 0, 2 * M_PI}},
{"Test2", "SomethingElse2", {"TH1F", 100, 0, 2 * M_PI}},
{"Test3", "SomethingElse3", {"TH1F", 100, 0, 2 * M_PI}},
{"Test4", "SomethingElse4", {"TH1F", 100, 0, 2 * M_PI}},
{"Test5", "SomethingElse5", {"TH1F", 100, 0, 2 * M_PI}},
{"Test6", "SomethingElse6", {"TH1F", 100, 0, 2 * M_PI}},
{"Test7", "SomethingElse7", {"TH1F", 100, 0, 2 * M_PI}}}};
OutputObj<TH1F> myHisto{TH1F("something", "somethingElse", 100, 0., 1.)};
void process(aod::Tracks const& tracks)
{
for (auto& track : tracks) {
auto phi = asin(track.snp()) + track.alpha() + M_PI;
myHisto->Fill(phi);
}
}
};
WorkflowSpec defineDataProcessing(ConfigContext const&)
{
return WorkflowSpec{
adaptAnalysisTask<ATask>("fill-etaphi-histogram")};
}