The codes presented here are not officially sanctioned code. The template is generated by Tom Hemmick

Here is how to run this simple example:

[me@computer] root -l
root [0] .x RUNME.C

mRICH.C includes parametrization of the varoius components of mRICH; the tramission through Aerogel and lens, and quantum efficiency for the censors. it also includes tracking solution. 
In RUNME macro you can set track resolution as well as pixel size. It also include time resilution but it's not used currently.