#ifndef __PNDDRCOPTMATABS_H__
#define __PNDDRCOPTMATABS_H__

/*! 
  \brief Class for optical material representation.

  It is assumed that for all DIRC option radiator material is used
  which is not birefingent.

*/


class PndDrcOptMatAbs
{
 protected:

  //!                                             Name of surface.
  string            m_name;             
  //!                                             Verbosity from 0 to 5.
  int               m_verbosity;        

 public:

  //!                                             Empty constructor.
  PndDrcOptMatAbs();                       


  /*! \brief Virtual copy constructor.
    \return Pointer to new allocated memory.
  */
  virtual PndDrcOptMatAbs* clone() const = 0;

  /*! Copy constructor.
    /param Object to copy.
  */ 
  PndDrcOptMatAbs(const PndDrcOptMatAbs& mat);

  /*! Assignment operator.
    /param Object to assign.
  */ 
  PndDrcOptMatAbs& operator=(const PndDrcOptMatAbs& mat);


  //! Destructor.
  virtual ~PndDrcOptMatAbs();            



  /*! \brief Verbosity

  Set the verbosity. Range is 0 to 5. 
  \verbatim
  0=quiet, 
  1=constructors,destructors,
  2=member functions, 
  3=functionality
  4=photons
  5=everything
  \endverbatim
  \param level The verbosity level
  */
  void setVerbosity(int level){m_verbosity=level;};

  /*! \brief Verbosity.
    \return Verbosity
    \sa setVerbosity()
  */
  const int verbosity() const {return m_verbosity;};

  /*! \brief Set the name of the volume.
    \param name The name.
  */
  void setName(string name){m_name=name;};
  /*! \brief The name of the volume.
    \return The name.
  */
  string name() const {return m_name;};



  /*! \brief Refraction index. 
    \param lambda wavelength [nm]
  */
  virtual double refIndex(const double lambda) const = 0;
  /*!\brief  Dervative of refraction index with respect to wavelength. 
    \param lambda wavelength [nm]
  */
  virtual double refIndexDeriv(const double lambda) const = 0;

  /*! \brief Absorption flag

  for pathlength. When return value is true, the pathlength contains the value
  where absorption has occured.

  \param lambda The wavelength in [nm].
  \param length The pathlength in [mm].
  \return Absorption flag.
  */
  virtual bool absorptionFlag(double lambda, double length) const = 0;   
};

#endif