What you are looking for is in the graph package, it builds up a graph
(or network) based on a relationship (like touch as you mentioned).
Armed with this data structure you can answer questions like the one you
asked, and you can also perform nifty things like figuring out the
shortest distance between two geometries along the graph.
Cheers,
Jody
Sean McGowan wrote:
Does anybody know a method in Geotools that can return an arrray of
geometries that touch a given geometry? I know the Geometry method
g1.touch(g2) can determine if two given geometries touch. What I want
is a method to return all touching geometries. I had a look through
the JTS API but couldn't find one. If there's no existing code, I'll
write my own. I just wanted to check first.
It could be something like this:
Geometry[] g = g1.getTouchingGeometries();
I'll implement my own if none exists.
Thanks,
Sean
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