/*! \page userdocdrc User documentation for drc macros
  

The constructor of the barrel DIRC is \ref PndDrc::PndDrc(). <br>

The amount of messages the constructor produces is adjusted
by \ref PndDrc::SetVerboseLevel() <br>

One is able to switch off the Cherenkov photon production with 
\ref PndDrc::SetRunCherenkov() <br>


*/