On Wed, 03 Jan 2001 13:31:09 -0500, Paul Daniel Jones wrote:
>
>Ok, after reading the manual and some back posts I am still a bit
>be-fuddled.....
>
>Could someone give me a quick rule of thumb as to when I might use
>filter and when I might use transmit and in which POV version it applies
>to? I seem to remember that MegaPOV handles these two statements
>different than the official 3.1g.

Filter is used for things that are transparent, like colored glasses or
plastics.  Transmit is used for things that have lots of small holes,
like silk or nylon fabric.  

MegaPOV handles them that way in layered textures; the official version
treats them both as transmit (IIRC).  Both versions do the right thing
in most cases; it's just the layered textures case that's different.

-- 
Ron Parker   http://www2.fwi.com/~parkerr/traces.html
My opinions.  Mine.  Not anyone else's.

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