AxialTrackCreatorHitHough.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
#pragma once
 
#include <tracking/trackingUtilities/findlets/base/Findlet.h>
 
#include <tracking/trackFindingCDC/hough/perigee/SimpleRLTaggedWireHitHoughTree.h>
#include <tracking/trackFindingCDC/hough/algorithms/InPhi0CurvBox.h>
 
#include <tracking/trackingUtilities/utilities/ParameterVariant.h>
 
#include <vector>
#include <string>
 
namespace Belle2 {
 
 
  namespace TrackingUtilities {
    class CDCWireHit;
    class CDCTrack;
  }
 
  namespace TrackFindingCDC {

    class AxialTrackCreatorHitHough : public
      TrackingUtilities::Findlet<const TrackingUtilities::CDCWireHit* const, TrackingUtilities::CDCTrack> {
 
    private:
      using Super = TrackingUtilities::Findlet<const TrackingUtilities::CDCWireHit* const, TrackingUtilities::CDCTrack>;
 
    public:
      std::string getDescription() final;

      void exposeParameters(ModuleParamList* moduleParamList, const std::string& prefix) final;

      void initialize() final;

      void apply(const std::vector<const TrackingUtilities::CDCWireHit*>& axialWireHits,
                 std::vector<TrackingUtilities::CDCTrack>& tracks) final;

      void terminate() final;
 
    public:
      static std::vector<float> getDefaultCurvBounds(std::array<float, 2> curvSpan, int granularityLevel);
 
    private:
      const double m_curlCurv = 0.018;
 
    private:
      // Hough space
      int m_param_granularityLevel = 12;

      int m_param_sectorLevelSkip = 2;

      std::vector<float> m_param_curvBounds{{ -0.02, 0.14}};

      int m_param_discretePhi0Width = 19;

      int m_param_discretePhi0Overlap = 5;

      int m_param_discreteCurvWidth = 1;

      int m_param_discreteCurvOverlap = -1;

      std::vector<TrackingUtilities::ParameterVariantMap> m_param_relaxationSchedule;

      static const int c_phi0Divisions = 2;

      static const int c_curvDivisions = 2;
 
    private:
      using SimpleRLTaggedWireHitPhi0CurvHough =
        SimpleRLTaggedWireHitHoughTree<InPhi0CurvBox, c_phi0Divisions, c_curvDivisions>;

      std::unique_ptr<SimpleRLTaggedWireHitPhi0CurvHough> m_houghTree;
    };
  }
}