I think grafting would imply attaching an already-existing structure, as in genetic programming. This is just about expanding the allowable area into which the tree grows.

Maybe the bonsai folks have a term for this...

Peter Drake
http://www.lclark.edu/~drake/



On May 24, 2007, at 10:56 AM, Richard Brown wrote:

Chaslot G (MICC) wrote:

Question for native English speakers: do you think this technique is best described by “progressive unpruning” or “progressive widening”?

By neither.

Allow me to suggest a third alternative, one which I believe to be best,
"progressive grafting".

Just as a gardener "prunes a tree", so the horticultural metaphor is continued, broadened, by describing the _addition_of_a_branch_ to a tree as "grafting".

See <http://en.wikipedia.org/wiki/Grafting> for the ordinary- English meaning.

--
Rich
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