In article <396802fd@news.povray.org>, "Nathan Kopp" <Nat### [at] Koppcom> 
wrote:

> Actually, this is incorrect.  For those special normal-only patterns 
> (yes, there are pigment versions of those patterns, but they 
> internally use a totally different algorithm when used as a pigment 
> instead of a normal), MegaPov still uses the already-computed 
> gradient function.

How difficult would it be to have it use the built-in function if no 
slope_map is specified, but to use the second evaluation method if one 
is specified? I don't know that area of the code very well...

-- 
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/

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