GeometryNavigationSteps_processor.h

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#pragma once
 
#include <Acts/Geometry/GeometryContext.hpp>
#include <Acts/MagneticField/MagneticFieldContext.hpp>
#include <JANA/JEventProcessor.h>
#include <TDirectory.h>
#include <spdlog/logger.h>
#include <memory>
 
#include "extensions/spdlog/SpdlogMixin.h"
 
class GeometryNavigationSteps_processor
    : public JEventProcessor,
      public eicrecon::SpdlogMixin // this automates proper log initialization
{
public:
  //----------------------------
  // Init
  //
  // This is called once before the first call to the Process method
  // below. You may, for example, want to open an output file here.
  // Only one thread will call this.
  void Init() override;
 
  //----------------------------
  // Process
  //
  // This is called for every event. Multiple threads may call this
  // simultaneously. If you write something to an output file here
  // then make sure to protect it with a mutex or similar mechanism.
  // Minimize what is done while locked since that directly affects
  // the multi-threaded performance.
  void Process(const std::shared_ptr<const JEvent>& event) override;
 
  //----------------------------
  // Finish
  //
  // This is called once after all events have been processed. You may,
  // for example, want to close an output file here.
  // Only one thread will call this.
  void Finish() override;
 
private:
  TDirectory* m_dir_main{};
#if Acts_VERSION_MAJOR >= 45
  Acts::GeometryContext m_geoContext = Acts::GeometryContext::dangerouslyDefaultConstruct();
#else
  Acts::GeometryContext m_geoContext;
#endif
  Acts::MagneticFieldContext m_fieldContext;
  std::shared_ptr<spdlog::logger> m_log;
};