In article <3974E13A.49899E8C@erols.com>, John VanSickle 
<van### [at] erolscom> wrote:

> This is what I tested; the normal does indeed need to be flipped to
> achieve this effect.  I'm fairly sure this was done in a recent
> version of POV-Ray; I distinctly remember having to reverse the order
> of some defined points in order to get the normals pointed the right
> way.

I think the bug fix was added in 3.1b along with some double-illuminate 
stuff:
"Fixed average normal bug and other normal flipping problems"

(revision.doc)

-- 
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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