In article <3993c4bd@news.povray.org>, Warp <war### [at] tagpovrayorg> 
wrote:

> But is this really a transformation? When you modify a function with 
> another function, you just create a third function. There are no 
> specific transformations involved.
>   Yes, you can, for example, convert a cylinder-shaped isosurface into a
> cone-shaped isosurface. This is, however, done by actually creating 
> another function, not by transforming.

You can use a function as a pattern in a pigment, use a warp(a 
non-uniform transform) on that pigment, and then use that pigment in the 
function for the final isosurface.

-- 
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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