On Tue, Jun 8, 2010 at 5:14 PM, Emmanuel Lambert <[email protected]> wrote: > > Hi, > > When I take the union of the 4 polygons shown in pictures > "polygon_PPLAYER_WG-INL_1.png" to "polygon_PPLAYER_WG-INL_4.png", > Shapely wrongly creates a filled disk (see "result_of_union.png"). > > Is this a bug, or am I doing something wrong? > > I expect a circle path with a certain width, not a full disk. > > (please ignore the color differences in the pictures attached). > > I am using the following code : > > #create new polygon > p = Polygon(pts) > #make union with already existing polygon > if (not hasattr(self,'polygon_union')): > self.polygon_union = p > else: > self.polygon_union = self.polygon_union.union(p) > > This snippet is executed 4 times for each of the pieces... > > Please advice... > > thanks. > Emmanuel Lambert >
Hi Emmanuel, Can you provide the points (in WKT or Python code) of the 4 polygon pieces? If so, I will try to reproduce this. Cheers, -- Sean _______________________________________________ Community mailing list [email protected] http://lists.gispython.org/mailman/listinfo/community
