Larry Becker wrote:
(Hopefully someday JTS will
support even more buffer parameters - variable width and one-side buffer
come to mind)
What are those?
Variable-width is nice for things like buffering a stream network, where
you want the streams at the upper end of the network to be smaller than
the ones towards the mouth. I think there's probably lots of other uses
too. (I saw a picture of the predicted "cone of impact" of Hurricane
Katrina the other day - this could be generated with a var-width buffer
along it's path)
One-sided buffer is I assume obvious - buffer a line on one side, but
not the other. Offset curves are another useful function.
I noticed that Arc has a "repeated concentric buffer" option, which is
used for things like shading around a coastline. This might be a nice
option for your super-duper buffer dialog.
--
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022
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