Thanks for the tips.  I hope the help.

                                            A.D.B

banty wrote:

>     I've been trying to create a scene with an ambient fog using an
> atmospheric media, but when I can get it to render the objects in the
> scene properly it's too bright and there doesn't seem to be any
> attenuation of the light from the street lamps.  Other times it does one
> of two things: a. It blacks out the scene and nothing is visible. b. It
> renders, but there's a "sticky" gray covering around everything that
> clings like fifty years of dust.  Not even a color variation.
>     I've tried perusing the preconstructed scene files that deal with
> media but they don't even go into using ambient media with point lights.
>
>     I've tried setting up my media statement several different ways, I
> used just about every trick I can think of which, admittedly, isn't much
> considering I have to learn by trial and error.  I've experimented with
> every scattering type, using interval settings fro 10 to 80.  I've tried
> various sample permutations from 1, 10 to 5, 15.  I've tried different
> ratio setting between 0.5 and 0.9. And several different density
> statements and color maps.
>     I've looked all over the internet for tutorials that pertain to
> media, but none of the sites that I found even dealt with Pov-ray 3.1,
> only prior versions, or third party implementations.
>     Does anybody have an idea of what I might be doing wrong?  Or, at
> least where I can get some detailed information on the use of media?
>
> A.D.B.

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