"Jim Charter" <jrc### [at] msncom> schreef in bericht
news:42bf2f4d$1@news.povray.org...
> Thomas de Groot wrote:
>
> Yes, I hadn't turned my full attention to that yet.  I was hoping that
> it has something to do with "major radius", "minor radius" settings on
> the twig(?) tab.

Hmm. Yes. Don't remember if I played really seriously with that. Will have
to try.

>
> I am actually using the Wings vertex data.  The "frames" are build by
> joining vertices around each face.  But for the ivy, I "mined" out the
> average or center points for each face along with the average normal so
> I could use Reorient_Trans to correctly orient the bit of vine hanging
> from each point. It is very crude but seems adequate for this level of
> detail in this particular picture. The bits of hanging vine and their
> leaves were generated in POV then instanced.  I usually create an array
> of half a dozen or so random variations, then access the array randomly
> when I go to place and actual bit of vine.
>
Smart. Good work.

> The ivy on the trunk is arranged along real vine stalks which I applied
> using trace() together with spline definitions.  The trick there of
> course is to add each generated vine to the trace target object so that
> succeeding vines will ride over top of the preceding ones.
>
Smart too! An idea I had not yet explored. [so much to do!]

Thomas

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