"Thomas Lake" <tla### [at] homecom> wrote...
> I did not play with any of the settings
> in MegaPov just used radiosity{}.

For your scene, you'll first probably have to increase the default count,
decrease the pretrace_end, and decrease the error_bound.

> A dim light out the window and back a
> bit provides most of the light, but I also have a plane 100 units up
> with ambient 1. I also tried to set the ambient light level in MegaPov
> down to 0 when using radiosity but that just resulted in a very dark,
> almost black image.

The reason is that when you did this, your plane with an ambient 1 turned
black (because the ambient_light of zero cancels out ALL ambient light in
the whole scene).  You will want to adjust the diffuse and ambient for each
object.  POV 3.1 uses the ambient value to determine brightness when
computing radiosity, but MegaPov uses diffuse.

-Nathan

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