HGTD_SurfaceChargesGenerator.h

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#ifndef HGTD_SURFACECHARGESGENERATOR_H
#define HGTD_SURFACECHARGESGENERATOR_H
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "IHGTD_SurfaceChargesGenerator.h"
#include "HGTD_Calibration/HGTD_TimeResolutionTool.h"
 
#include <string>
 
class HGTD_SurfaceChargesGenerator
    : public AthAlgTool,
      public virtual IHGTD_SurfaceChargesGenerator {
 
public:
  HGTD_SurfaceChargesGenerator(const std::string &type, const std::string &name,
                               const IInterface *parent);

  virtual ~HGTD_SurfaceChargesGenerator() = default;

  StatusCode initialize() override;
 
  virtual void createSurfaceChargesFromHit(
      const TimedHitPtr<SiHit> &timed_hit_ptr,
      SiChargedDiodeCollection *diode_coll,
      const InDetDD::SolidStateDetectorElementBase *element,
      CLHEP::HepRandomEngine *rndm_engine,
      const EventContext& ctx) const override final;
 
private:
  // TODO: where do we get this from?
  FloatProperty m_small_step_length{this, "SmallStepLength", 1, ""}; /*um*/
  FloatProperty m_diffusion_constant{this, "DiffusionConstant", .007, ""};
  FloatProperty m_active_time_window{this, "ActiveTimeWindow", 1.25, "Hits within this time window are used for digitization, the rest are discarded (Given in ns)."};
  BooleanProperty m_smear_meantime{this, "SmearMeanTime", true, "Smear mean time based on radius and luminosity"};
  ToolHandle<HGTD_TimeResolutionTool> m_hgtd_time_resolution_tool{
      this, "TimeResolutionTool", "HGTD_TimeResolutionTool",
      "Tool for smearing LGAD timing based on integrated luminosity and "
      "radius"};
};
 
#endif // HGTD_DIGITZATION_HGTD_SURFACECHARGESGENERATOR_H