Batronyx wrote:
> 
> Does anyone know of a way to determine the normal of a surface dynamically at
> render time? trace() is static/parse time. Attempting to infer from a functions
> using the slope pattern doesn't work; its not allowed in pattern syntax and
> isn't evaluated dynamically during a render using pigment syntax.
> And of course there isn't a f_normal() in functions include.
> 
> [...]

Megapov MCP has an object_slope pattern which works in functions etc. but
i'm not sure if it's suited for your purpose.

It can be found on:

http://www.schunter.etc.tu-bs.de/~chris/povcyg.html

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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