[Nitro] Nested Intervals

[George Moschovitis]

There is a small project for anyone who wants to help with nitro development.

Have a look at lib/og/mixin/tree.rb

This is some experimental code for a nested intervals mixins a more
sophisticated version of the nested sets algorithm used in the
hierarchical mixin for sql tree traversal. If anyone could go on   and
finish this code it would be very helpful. There is a link in the code
that points to an article that describes this algorithm.

regards,
George.

-- 
http://www.gmosx.com
http://www.navel.gr
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