CDCDisplacement.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 <TObject.h>
#include <TVector3.h>
#include <cdc/dataobjects/WireID.h>
 
 
namespace Belle2 {
  class CDCDisplacement: public TObject {
  public:
 
    CDCDisplacement() :
      m_wire(65535), m_fwd(), m_bwd(), m_tension()
    {
    }
 
 
    CDCDisplacement(const WireID& wire, TVector3 fwd, TVector3 bwd, float tension) :
      m_wire(wire), m_fwd(fwd), m_bwd(bwd), m_tension(tension)
    {
    }
 
    unsigned short getEWire() const
    {
      return m_wire;
    }
 
    //TODO: remove the following 4 functions (not needed).
 
    unsigned short getISuperLayer() const
    {
      return (m_wire / 4096);
    }
 
    unsigned short getILayer() const
    {
      return ((m_wire % 4096) / 512);
    }
 
    unsigned short getIWire() const
    {
      return (m_wire % 512);
    }
 
    int getICLayer() const
    {
      if (getISuperLayer() == 0) { return getILayer(); }
      return 8 + (getISuperLayer() - 1) * 6 + getILayer();
    }
 
    float getXFwd() const {return m_fwd.X();}
 
    float getYFwd() const {return m_fwd.Y();}
 
    float getZFwd() const {return m_fwd.Z();}
 
    float getXBwd() const {return m_bwd.X();}
 
    float getYBwd() const {return m_bwd.Y();}
 
    float getZBwd() const {return m_bwd.Z();}
 
    float getTension() const {return m_tension;}
 
  private:
    unsigned short m_wire; 
    //TODO: replace TVector3s with simple arrays to save memory.
    TVector3 m_fwd; 
    TVector3 m_bwd; 
    float        m_tension; 
    ClassDef(CDCDisplacement, 3); 
  };
 
} // end namespace Belle2