HitGapSegmentRelationVarSet.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2016 - 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/varsets/VarSet.h>
#include <tracking/trackFindingCDC/varsets/VarNames.h>
 
#include <tracking/trackFindingCDC/utilities/Relation.h>
 
namespace Belle2 {
  namespace TrackFindingCDC {
    class CDCSegment2D;
 
    constexpr
    static char const* const hitGapSegmentRelationVarNames[] = {
      "delta_hit_pos_phi",
      "delta_hit_mom_phi",
      "delta_hit_alpha",
 
      "hit_distance",
      "hit_long_distance",
      "delta_hit_distance",
 
      "from_hit_forward",
      "to_hit_forward",
      "hit_forward",
      "hit_ptolemy",
    };
 
    struct HitGapSegmentRelationVarNames : public VarNames<Relation<const CDCSegment2D> > {
 
      static const size_t nVars = size(hitGapSegmentRelationVarNames);
 
      static constexpr char const* getName(int iName)
      {
        return hitGapSegmentRelationVarNames[iName];
      }
    };
 
    class HitGapSegmentRelationVarSet : public VarSet<HitGapSegmentRelationVarNames> {
 
    public:
      bool extract(const Relation<const CDCSegment2D>* ptrSegmentRelation) override;
    };
  }
}