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DetectorResponse.cxx
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56 lines (48 loc) · 1.82 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.
///
/// \file ParamBase.cxx
/// \author Nicolo' Jacazio
/// \since 07/08/2020
/// \brief Set of utilities to handle the parametrization of the PID response for each detector
/// These are the basic storage elements to be kept in the CCDB
///
// Root includes
#include "TFile.h"
// O2 includes
#include "PIDBase/ParamBase.h"
#include "PIDBase/DetectorResponse.h"
#include "Framework/Logger.h"
namespace o2::pid
{
const std::array<TString, DetectorResponse::kNParams> DetectorResponse::ParamName = {{"Signal", "Sigma"}};
void DetectorResponse::LoadParamFromFile(const TString fname, const TString pname, const Param_t ptype)
{
TFile f(fname, "READ");
if (!f.Get(pname)) {
LOG(fatal) << "Did not find parametrization " << pname << " in file " << fname;
}
LOG(info) << "Loading parametrization " << pname << " from TFile " << fname;
f.GetObject(pname, mParam[ptype]);
f.Close();
mParam[ptype]->Print();
mParam[ptype]->PrintParametrization();
}
void DetectorResponse::SetParameters(const Param_t ptype, std::vector<pidvar_t> p)
{
if (!mParam[ptype]) {
const TString pname = ParamName[ptype] + "_default_param";
LOG(info) << "Creating new parametrization " << pname << " of size " << p.size();
mParam[ptype] = new Parametrization(pname, p.size());
mParam[ptype]->Print();
}
mParam[ptype]->SetParameters(p);
}
} // namespace o2::pid