thanks peppe.
if the real house is going to look like that i am more then happy .
i created the atmosphere with a low maxdepth in the pathtracing kernel ,i think it gives it more dynamic.
and it renders much faster.
Rico
Windows 7 , 64 b / GTX 590 / Archicad 15 , 64 b / Cinema 4D R 13 studio , 64b /Intel(R)Core(TM)Extreme3,20Ghz /always latest Octane.