I've posted the new version of spline tree macro that I've been working
on to my web site for anyone interested:
http://povplace.addr.com/files/

There are a bunch of changes, mainly...
- simple roots added
- growth tendancy, to make the tree grow in a certain direction
- variables can now be interpolated using an exponential pattern, rather
than each input manually into an array.
- bug fixes (fixed leaf alignment/colours, fixed branches from
protruding through the wrong side of the tree!)

Also, have a look at the new rendered example trees (they are all new).
Let me know if you have any comments/suggestions!

Andrew C

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