This is libgeos 3.2.0 and shapely 1.0.14 and 1.0.15.

-kurt


On Mar 26, 2010, at 3:55 PM, Sean Gillies wrote:

> Kurt,
> 
> 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?
> 
> 

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