CorrectionMapsLoader.h

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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.
 
 
#ifndef TPC_CORRECTION_MAPS_LOADER_H_
#define TPC_CORRECTION_MAPS_LOADER_H_
 
#ifndef GPUCA_GPUCODE_DEVICE
#include <memory>
#include <vector>
#endif
#include "CorrectionMapsHelper.h"
 
namespace o2
{
namespace framework
{
class ProcessingContext;
class ConcreteDataMatcher;
class InputSpec;
class ConfigParamSpec;
class ConfigParamRegistry;
class InitContext;
} // namespace framework
 
namespace tpc
{
 
struct CorrectionMapsLoaderGloOpts {
  int lumiType = 0; 
  int lumiMode = 0; 
  bool enableMShapeCorrection = false;
  bool requestCTPLumi = true; //< request CTP Lumi regardless of what is used for corrections scaling
 
  bool needTPCScalersWorkflow() const
  {
    return lumiType == 2 || enableMShapeCorrection;
  }
};
 
class CorrectionMapsLoader : public o2::gpu::CorrectionMapsHelper
{
 public:
  CorrectionMapsLoader() = default;
  ~CorrectionMapsLoader() = default;
  CorrectionMapsLoader(const CorrectionMapsLoader&) = delete;
 
#ifndef GPUCA_GPUCODE_DEVICE
  bool accountCCDBInputs(const o2::framework::ConcreteDataMatcher& matcher, void* obj);
  void extractCCDBInputs(o2::framework::ProcessingContext& pc);
  void updateVDrift(float vdriftCorr, float vdrifRef, float driftTimeOffset = 0);
  void init(o2::framework::InitContext& ic);
  void copySettings(const CorrectionMapsLoader& src);
  void updateInverse(); 
 
  static void requestCCDBInputs(std::vector<o2::framework::InputSpec>& inputs, std::vector<o2::framework::ConfigParamSpec>& options, const CorrectionMapsLoaderGloOpts& gloOpts);
  static void addGlobalOptions(std::vector<o2::framework::ConfigParamSpec>& options);
  static void addOptions(std::vector<o2::framework::ConfigParamSpec>& options);
  static CorrectionMapsLoaderGloOpts parseGlobalOptions(const o2::framework::ConfigParamRegistry& opts);
 
 protected:
  static void addOption(std::vector<o2::framework::ConfigParamSpec>& options, o2::framework::ConfigParamSpec&& osp);
  static void addInput(std::vector<o2::framework::InputSpec>& inputs, o2::framework::InputSpec&& isp);
 
  float mInstLumiCTPFactor = 1.0; // multiplicative factor for inst. lumi
  int mLumiCTPSource = 0;         // 0: main, 1: alternative CTP lumi source
  std::unique_ptr<o2::gpu::TPCFastTransform> mCorrMapMShape{nullptr};
#endif
};
 
} // namespace tpc
 
} // namespace o2
 
#endif