"Bill Pragnell" <bil### [at] hotmailcom> wrote in message 
news:web.49ba240d644b8e0a6dd25f0b0@news.povray.org...
> "[GDS|Entropy]" <gds### [at] hotmailcom> wrote:
>> This image uses radiosity, but I doubt it caused the odd blotches.
>>
>> Anyone have any ideas about what these are? Once I can figure it out, 
>> I'll
>> rerender...as it took 13hr..
>
> They look like radiosity artifacts to me. Try raising the count. Also, 
> make sure
> recursion_limit is high enough that radiosity rays are making it through 
> the
> water surface!
>
> Bill

Turns out that it was MTL... O_o'

I fixed my isosurface. And I found a bug in my macros.
Apparently, something does not like it when your trace test vector is 
different between calls to the various macros. WTF? I thought that I had 
written them so that it didn't matter. Guess I was wrong.

Once this next render is done I will post its source, as I am not seeing the 
problem.

My next version will probably include the glacier iso and snow macros, so I 
can have spring on the lower left and winter on the upper right, just to get 
some thematic asymmetric balance in there.

ian

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