ActsSurfaceMappingTool.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ACTSGEOMETRY_ACTSSURFACEMAPPINGTOOL_H
#define ACTSGEOMETRY_ACTSSURFACEMAPPINGTOOL_H
 
// ATHENA
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/IInterface.h"
#include "GaudiKernel/ServiceHandle.h"
#include "Gaudi/Property.h"
#include "GaudiKernel/EventContext.h"
 
// PACKAGE
#include "ActsGeometryInterfaces/IActsSurfaceMappingTool.h"
#include "ActsGeometryInterfaces/IActsTrackingGeometryTool.h"
 
// ACTS
#include "Acts/Material/SurfaceMaterialMapper.hpp"
 
// BOOST
#include <cmath>
 
class ActsSurfaceMappingTool : public extends<AthAlgTool, IActsSurfaceMappingTool>
{
 
public:
  virtual StatusCode initialize() override;
 
  ActsSurfaceMappingTool(const std::string& type, const std::string& name,
               const IInterface* parent);
 
  virtual
  std::shared_ptr<Acts::SurfaceMaterialMapper>
  mapper() const override
  {
    return m_mapper;
  };
 
  virtual
  Acts::SurfaceMaterialMapper::State
  mappingState() const override;
 
  virtual
  const IActsTrackingGeometryTool*
  trackingGeometryTool() const override
  {
    return m_trackingGeometryTool.get();
  }
 
 
private:
  // Straight line stepper
  Acts::MagneticFieldContext m_magFieldContext;
  ActsGeometryContext        m_geoContext;
  using SlStepper  = Acts::StraightLineStepper;
  using StraightLinePropagator = Acts::Propagator<SlStepper, Acts::Navigator>;
  ToolHandle<IActsTrackingGeometryTool> m_trackingGeometryTool{this, "TrackingGeometryTool", "ActsTrackingGeometryTool"};
  std::shared_ptr<Acts::SurfaceMaterialMapper> m_mapper;
  std::shared_ptr<const Acts::TrackingGeometry> m_trackingGeometry;
};
 
 
 
#endif