"Patrick Dugan" <pat### [at] netinsnet> wrote in message
news:3da82030@news.povray.org...
> I've been re-rendering a scene. The first image/example I'm showing is
the
> image rendered at 1280 x 1024. The second image/example was rendered at
> 10240 x 7680 (much larger) but none of the settings were changed. As you
> can see the glass ashtray became black in the larger image.
>
> I was under the impression that I didn't have to alter settings like the
> max_trace_level (which is 25) when making larger images. If I have to (it
> LOOKS like I have to anyway) what is a good "rule of thumb" to calculate
the
> setting on an image that is larger (or smaller) than the original so that
it
> looks the same?
>
Max_Trace_Level just sets how many times a ray can be reflected or
refracted, changing the size of your output shouldn't have any effect on it
at all.
Are you sure you didn't change *anything* in the scene? (Maybe textures or
something)
-tgq
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