"Zeger Knaepen" <zeg### [at] studentkuleuvenacbe> wrote in message
news:3ee79619$1@news.povray.org...
| This looks very interesting.

Thank you.

| How does it know when an edge
| is supposed to be vertical?  Some threshold
| value or something like that?
|

Yes, The value used here is a change in height greater than the width of
a square. This would allow for something like a craggy stone area with a
castle tower protruding. Of course, there are better ways to do that.

 -Shay

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