[geos-devel] Problems creating polygons with holes
Norman Vine
nhv at cape.com
Wed Jun 30 11:23:06 EDT 2004
>
> > I had assumed that the holes were treated as polygons as well :(
>
> If polygon holes were defined by polygons, then your holes could have holes
> (which in turn could have holes...)!
not so far fetched ..
ie. an island in a pond in an island in a lake in an island in the ocean :-)
< assuming a hole in a water polygon is land and visa versa >
Norman
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