> I wrote up a small macro with the help of Tim Nikias to place grass on a
> heightfield.  He's given me lots of technical help, and I really
appreciate
> it, Tim!

No problem, has always been a pleasure!

> For more macro programming related questions, where should I post?

povray.general and povray.advanced-users is quiet appropriate, I assume.

I've got a suggestion right away though:
How about giving a broader view on the scene. At this angle, the image
is full of blades, so its hard to judge if a general perspective looks
realistic.

Another thing, since you're using bicubic-patches, is that you could
look into UV-Mapping a little. I expect it could be possible to do two
things with that: give a brownish/orange tip and edge, but keep
nice saturated green on the middle. Also, if you plan on animating
the blades a little to simulate wind or such, the texture would stay
put on the blades, even if they get stretched or squashed a little,
and thus the illusion isn't broken so easily.

(I know, I've suggested part of this already in an email, but since
others might be interested in this as well, I just mentioned it again)

Just a thought.

Regards,
Tim

-- 
Tim Nikias v2.0
Homepage: http://www.digitaltwilight.de/no_lights



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