>> -----Original Message----- >> From: community-bounces at lists.gispython.org >> [mailto:community-bounces at lists.gispython.org] On Behalf Of >> Robert Sanson >> Sent: Wednesday, 08 December 2010 15:49 >> To: gispython.org community projects >> Subject: [Community] PySAL and Shapely >> >> Is there anyone who has worked with both Shapely and PySAL ( >> http://geodacenter.asu.edu/pysal )? >> >> I'm wondering what it would take to get the respective >> geometries to interact with each other? In other words use >> methods and functions from both libraries on the same geometries. >> > > Seems that both libs know how to talk WKT at the least, which you could > use to pass between them. > > ..Tom
Hello, I'm a developer on the PySAL project. Currently PySAL only supports reading WKT, not writing. The simplest option might be to write your geometry out to a shapefile and read it back in with the other library. The shape objects in pysal are relatively simple and the source is well documented. For Polygons, the vertices are stored in to 2 lists, Polygon.parts and Polygon.holes. Polygon.vertices will return both, but be warned both the parts and holes will be in clockwise order. - Charlie.
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