#ifndef __DRCOPTPIXEL_H__
#define __DRCOPTPIXEL_H__

/*! 
  \brief Representation of an screen for photons.

  This volume consists out of one surface. Alternativly, you can also embed or
  attach a surface to a volume with the pixel flag set \sa DrcSurfAbs::setPixel().
*/


class DrcOptPixel : public DrcOptDev
{

 public:


  /*! \brief Virtual copy constructor.
    \return Pointer to new allocated memory.
  */
  DrcOptPixel* clone() const;

  /*! \brief Set optical material

  This call causes a execution stop, since a screen has not material.
  \param mat Material.
  */
  void setOptMaterial(DrcOptMatAbs* mat);

  // implements virtual base class
  void addSurface(const DrcSurfAbs& surf);
  // implements pure virtual base class
  void propagate(DrcPhoton& ph);
  bool radiator() const {return false;};
};

#endif