On Mon, 1 May 2000 10:26:52 +1000, "Chris Colefax"
<chr### [at] tagpovrayorg> wrote:

>But aren't the smooth height field and the bicubic patch essentially the
>same?  i.e. they are both internally subdivided into meshes of smooth
>triangles.  This means that, in official POV at least, they both use double
>illumination, which is why you get the translucent effect.

I know, it's just that I don't recall anyone reporting double
illumination troubles with a height field. Internally the only
difference between a hf and a bicubic patch is the bounding scheme of
the hf, but afaik it's not related to illumination at all.


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] usanet
TAG      e-mail : pet### [at] tagpovrayorg

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