AxialTrackCreatorHitHough.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2015 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Oliver Frost                                             *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <tracking/trackFindingCDC/findlets/base/Findlet.h>
 
#include <tracking/trackFindingCDC/hough/perigee/SimpleRLTaggedWireHitHoughTree.h>
#include <tracking/trackFindingCDC/hough/algorithms/InPhi0CurvBox.h>
 
#include <tracking/trackFindingCDC/utilities/ParameterVariant.h>
 
#include <vector>
#include <string>
 
namespace Belle2 {
  namespace TrackFindingCDC {
    class CDCWireHit;
    class CDCTrack;
 
    class AxialTrackCreatorHitHough : public Findlet<const CDCWireHit* const, CDCTrack> {
 
    private:
      using Super = Findlet<const CDCWireHit* const, CDCTrack>;
 
    public:
      std::string getDescription() final;
 
      void exposeParameters(ModuleParamList* moduleParamList, const std::string& prefix) final;
 
      void initialize() final;
 
      void apply(const std::vector<const CDCWireHit*>& axialWireHits, std::vector<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<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;
    };
  }
}