On 6/5/24 09:04, jr wrote:
> 5) The internal code used a crackle implementation but it is an older

First, the above bit should have read:

5) The internal code uses a crackle implementation, but it is an older...

And correct, I was referring to the 'metric' keyword not being mentioned 
as a 'facets' pattern / perturbation option when it is supported:

https://wiki.povray.org/content/Reference:Facets_Pattern

At the moment I'm unsure if I'll change any of the existing 'facets' 
core code(a). However, I did want to set up to take a run at adding 
additional types along the lines of the facets pattern I posted about 
last fall to the existing 'facets' perturbation wrapper. See:

https://news.povray.org/povray.pov4.discussion.general/thread/%3C652b157c%40news.povray.org%3E/

Bill P.

(a) - I can somewhat see how the type 0 / flat form of 'facets' could be 
converted to our current 'crackle' implementation (facets is still 
missing the 'form' capability which could be cool). I'm a lot less clear 
on how I might adapt (or replace) the type 2 / curved surface approach. 
In any case, the up front plan is to get one or more of my facet ideas 
running as types 3,4,... so I can play. :-)

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