StandardAxes.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2016 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Oliver Frost, Nils Braun, Dmitrii Neverov                *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
#pragma once
 
#include <tracking/trackFindingCDC/hough/axes/DiscreteValue.h>
#include <tracking/trackFindingCDC/hough/axes/ContinuousValue.h>
 
#include <tracking/trackFindingCDC/topology/ILayer.h>
#include <tracking/trackFindingCDC/geometry/Vector2D.h>
 
namespace Belle2 {
  namespace TrackFindingCDC {
    class ImpactTag;
 
    using DiscreteImpact = DiscreteValue<float, ImpactTag>;
 
    using ContinuousImpact = ContinuousValue<double, ImpactTag>;
 
    class CurvTag;
 
    using DiscreteCurv = DiscreteValue<float, CurvTag>;
 
    using ContinuousCurv = ContinuousValue<double, CurvTag>;
 
    class CurvWithArcLength2DCache {
    public:
      explicit CurvWithArcLength2DCache(float curv);
 
      explicit operator float() const
      {
        return m_curv;
      }
 
      float getArcLength2D(ILayer iCLayer, bool secondArm = false) const
      {
        return secondArm ? m_secondaryArcLength2DByICLayer[iCLayer] : m_arcLength2DByICLayer[iCLayer];
      }
 
      friend std::ostream& operator<<(std::ostream& output, const CurvWithArcLength2DCache& value)
      {
        return output << value.m_curv;
      }
 
    private:
      float m_curv;
 
      std::array<float, 56> m_arcLength2DByICLayer;
 
      std::array<float, 56> m_secondaryArcLength2DByICLayer;
    };
 
    using DiscreteCurvWithArcLength2DCache = DiscreteValue<CurvWithArcLength2DCache, CurvTag>;
 
    class TanLTag;
 
    using DiscreteTanL = DiscreteValue<float, TanLTag>;
 
    using ContinuousTanL = ContinuousValue<double, TanLTag>;
 
    class Z0Tag;
 
    using DiscreteZ0 = DiscreteValue<float, Z0Tag>;
 
    class Phi0Tag;
 
    using DiscretePhi0 = DiscreteValue<Vector2D, Phi0Tag>;
 
    // NOTE The following is for quadratic and hyperbolic tracks
    class PTag;
 
    using DiscreteP = DiscreteValue<float, PTag>;
 
    using ContinuousP = ContinuousValue<double, PTag>;
 
    class QTag;
 
    using DiscreteQ = DiscreteValue<float, QTag>;
 
    using ContinuousQ = ContinuousValue<double, QTag>;
  }
}