OffOrigin.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/geometry/Vector2D.h>
#include <cdc/topology/ILayer.h>
 
namespace Belle2 {
  namespace TrackFindingCDC {

    template<class T>
    class OffOrigin : public T {
 
    public:
      using Super = T;

      using T::T;
 
    public:
      using HoughBox = typename T::HoughBox;
 
    public:
      TrackingUtilities::ESign getDistanceSign(const HoughBox& houghBox,
                                               float x,
                                               float y,
                                               float signedDriftLength,
                                               float dxdz = 0,
                                               float dydz = 0,
                                               CDC::ILayer /*iCLayer*/ = -1) const
      {
        return Super::getDistanceSign(houghBox,
                                      x - m_localOriginX,
                                      y - m_localOriginY,
                                      signedDriftLength,
                                      dxdz,
                                      dydz,
                                      -1);
      }
 
    public:
      TrackingUtilities::Vector2D getLocalOrigin() const
      { return TrackingUtilities::Vector2D(m_localOriginX, m_localOriginY); }

      void setLocalOrigin(const TrackingUtilities::Vector2D& localOrigin)
      {
        m_localOriginX = localOrigin.x();
        m_localOriginY = localOrigin.y();
      }
    private:
      float m_localOriginX = 0.0;

      float m_localOriginY = 0.0;
 
    };
  }
}