NoiseMap.h

/**************************************************************************
 * BASF2 (Belle Analysis Framework 2)                                     *
 * Copyright(C) 2010 - Belle II Collaboration                             *
 *                                                                        *
 * Author: The Belle II Collaboration                                     *
 * Contributors: Martin Ritter                                            *
 *                                                                        *
 * This software is provided "as is" without any warranty.                *
 **************************************************************************/
 
#ifndef PXD_NOISEMAP_H
#define PXD_NOISEMAP_H
 
#include <pxd/reconstruction/Pixel.h>
 
namespace Belle2 {
  namespace PXD {
 
    class NoiseMap {
    public:
      NoiseMap(): m_noiseLevel(0) {}
      virtual ~NoiseMap() {}
 
      void setNoiseLevel(float noise) { m_noiseLevel = noise; }
 
      virtual void setSensorID(VxdID) {}
 
      float getSignificance(const Pixel& px) const { return px.getCharge() / getNoise(px); }
 
      virtual float getNoise(const Pixel&) const { return m_noiseLevel; }
 
      bool operator()(const Pixel& px, float significance) const { return getSignificance(px) >= significance; }
 
      bool operator()(float signal, float significance) const { return signal / m_noiseLevel >= significance; }
 
    protected:
      float m_noiseLevel;
    };
 
  }
 
}
 
#endif //PXD_NOISEMAP_H