AxialTrackCreatorSegmentHough.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/SimpleSegmentHoughTree.h>
#include <tracking/trackFindingCDC/hough/algorithms/InPhi0ImpactCurvBox.h>
 
#include <vector>
#include <string>
#include <memory>
 
namespace Belle2 {
  namespace TrackFindingCDC {
    class CDCSegment2D;
    class CDCTrack;
 
    class AxialTrackCreatorSegmentHough : public Findlet<const CDCSegment2D, CDCTrack> {
 
    private:
      using Super = Findlet<const CDCSegment2D, CDCTrack>;
 
    public:
      std::string getDescription() final;
 
      void exposeParameters(ModuleParamList* moduleParamList, const std::string& prefix) final;
 
      void initialize() final;
 
      void apply(const std::vector<CDCSegment2D>& segments, std::vector<CDCTrack>& tracks) final;
 
      void terminate() final;
 
    private:
      double m_param_minNHits = 40;
 
      double m_param_minFractionNHits = 0.5;
 
      int m_param_maxLevel = 12;
 
      std::vector<float> m_param_curvBounds{{ -0.13, 0.13}};
 
      std::vector<float> m_param_impactBounds{{ -100, 100}};
 
      int m_param_discretePhi0Width = 2;
 
      int m_param_discretePhi0Overlap = 1;
 
      int m_param_discreteImpactWidth = 2;
 
      int m_param_discreteImpactOverlap = 1;
 
      int m_param_discreteCurvWidth = 2;
 
      int m_param_discreteCurvOverlap = 1;
 
      static const int c_phi0Divisions = 2;
 
      static const int c_impactDivisions = 2;
 
      static const int c_curvDivisions = 2;
 
    private:
      using SimpleSegmentPhi0ImpactCurvHoughTree =
        SimpleSegmentHoughTree<InPhi0ImpactCurvBox, c_phi0Divisions, c_impactDivisions, c_curvDivisions>;
 
      std::unique_ptr<SimpleSegmentPhi0ImpactCurvHoughTree> m_houghTree;
    };
  }
}