[Community] confusion with convex hull w/ shapely
sean.gillies at gmail.com
Fri Mar 26 22:59:21 EET 2010
Ah. And it turns out that the bug fix I was talking about concerned
polygon exteriors (rings) being returned as linestrings. Disregard my
On Mar 26, 2010, at 9:21 PM, Kurt Schwehr wrote:
> This is libgeos 3.2.0 and shapely 1.0.14 and 1.0.15.
> On Mar 26, 2010, at 3:55 PM, Sean Gillies wrote:
>> A non-closed line segment has a boundary equal to a set of two
>> points. Linear rings (such as a polygon's boundary) don't have
>> boundaries. That's part of the definition of being a closed curve.
>> You're looking at a GEOS bug in which polygon boundaries are
>> returned as linestrings instead of rings. IIRC, Charlie Savage and
>> I closed that before the 3.0 release. Are you using a very old GEOS?
> Community mailing list
> Community at lists.gispython.org
More information about the Community