High!

Finally, I'm back with the project... though until October, I still have 
a huge amount of work to do for one of my Afghanistan web projects (for 
those of you unterstanding German: 
http://www.inwent.org/v-ez/lis/afghanistan/ ), I now and then find the 
time to continue with PoVEarth.

Today, I added the interior walls of my apartment and rendered a cutup 
view... as you can see by the lightened-up shadows, using a spotlight in 
a light_groups wasn't that a good idea - as the apartment block object 
is heavily nested, the objects to be illuminated by the shadowless fill 
light are distributed over several levels of the CSG hierarchy, so 
faking a realistic indirect lighting wie light_groups would be very 
complicated to impossible.

Instead, I think about using conventional fill lights - and constraining 
them by invisible transparent door and window "panes" having 
translucency=0. Then of course direct lighting by sunlight falling 
through doors and windows would be complicated... but for scenes with 
overcast sky, it would be appropriate.

See you in Khyberspace!

Yadgar

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