On Sun, Aug 1, 2010 at 2:53 PM, iomeneandrei <[email protected]> wrote: > > Hi all, > I have read (not all) shapely documentation and I have found > "object.envelope" method: it "returns a representation of the point or > smallest rectangular polygon that contains the object." > > I have tested it, and it seems to me that it returns not the smallest > rectangular polygon that contains the object, but the smallest rectangular > polygon - whose sides are parallel to x and y axes - that contains the > object. In other words the bounding box. Am I wrong? > > I have used this code: > polygon = Polygon([(76, 840), (144, 962), (239, 929),(136, 784)]) > print polygon.envelope > > I obtain this: > POLYGON ((76.0000000000000000 784.0000000000000000, 239.0000000000000000 > 784.0000000000000000, 239.0000000000000000 962.0000000000000000, > 76.0000000000000000 962.0000000000000000, 76.0000000000000000 > 784.0000000000000000)) > > I read this documentation page: > http://gispython.org/shapely/docs/1.2/manual.html > > Thank you, > > a
You're right, the envelope's coordinates involve minimum and maximum values of x and y. I'll update the manual to clear this up. Cheers, -- Sean _______________________________________________ Community mailing list [email protected] http://lists.gispython.org/mailman/listinfo/community
