In article <opr84wvpzke4dfwg@news.povray.org>,
 Phil Cook <phi### [at] rocainnospamfreeservecouk> wrote:

> Out of curiosity is there an easily explainable :) reason why you can't 
> layer multiple object patterns? The obvious answer to this otherwise would 
> have been to create the differenced cylinders texture and layer the text 
> texture on top.

You can nest them, which lets you accomplish the same things. The object 
pattern is about as simple as a pattern can get, supporting multiple 
objects would be a lot more complex. I have been thinking about such a 
patch, though...or rather, two similar patterns, one which "layers" each 
object over the previous ones, and another which averages overlapping 
objects together.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: <chr### [at] tagpovrayorg>
http://tag.povray.org/

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