.. and for whatever reason I was thinking that a hexagon has 8 sides. So just discard my previous message, hexa can't be achieved with a buffer as easily. :S
sorry for the mixup. t; 2014-10-17 18:06 GMT+03:00 tõnis kärdi <tonis.ka...@gmail.com>: > Hi. Not sure if this will do exactly what You need, but maybe try creating > a grid of points and then buffer each point using a different resolution ( > http://toblerity.org/shapely/manual.html#object.buffer) than the default > 16. > > something in the line of: > > >>> from shapely.geometry import Point > >>> node = lambda x,y: (x, y) > >>> coords = [[node(x, y) for x in range(10)] for y in range(10)] > >>> hexgrid = [Point(*c).buffer(0.1, resolution=2) for c in coords] > >>> import json > >>> json.dumps(a[0].__geo_interface__) > '{"type": "Polygon", "coordinates": [[[0.1, 0.0], [0.07071067811865482, > -0.07071067811865471], [1.6155445744325868e-16, -0.1], > [-0.0707106781186546, -0.07071067811865492], [-0.1, > -3.2310891488651737e-16], [-0.07071067811865504, 0.07071067811865446], > [-4.624589118372729e-16, 0.1], [0.07071067811865436, 0.07071067811865515], > [0.1, 0.0]]]}' > > You'd have to work out the proper range for grid definition and figure out > the right buffer distance aswell. > > Hope this helps. > > All the best, > Tõnis > > 2014-10-17 17:33 GMT+03:00 Stephan Hügel <ursch...@gmail.com>: > >> Apologies for the general question, but I’m wondering if anyone’s got a >> recipe to generate a grid of hexagon polygons (or any tessellating shape!) >> for given coordinate bounds, using Shapely. >> Essentially I want to emulate the MMQGIS “Create Grid Layer” function… >> >> Pointers and suggestions gladly accepted. >> -- >> s >> > -- -- skype: tonis.kardi
_______________________________________________ Community mailing list Community@lists.gispython.org http://lists.gispython.org/mailman/listinfo/community
