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I am using Anaconda 2.1.0 and Basemap installation is successful

conda install basemap

However, I keep getting the following error when I try to project lat,lon to a planar:

Assertion failed: (0), function query, file AbstractSTRtree.cpp, line 286.

My code looks like this:

import shapely.geometry as sg
from pymongo import MongoClient
from mpl_toolkits.basemap import Basemap

p = Basemap(projection='sinu',lon_0=0,resolution='c') #fails here

projected_xy = p([24.4,45.1])

The code fails even before attempting to project.

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3
  • Which version of geos are you using? The assertion error line says : "unsupported childBoundable type". The path to that assertion from your code isn't obvious, but either one of the parameters is wrong or there is a bug somewhere in the stack. Commented Dec 27, 2014 at 4:43
  • Also, do you definitely have proj4 installed? Commented Dec 27, 2014 at 4:52
  • I have geos version 3.3.3 and proj4 4.8.0-0 for sure. Commented Dec 27, 2014 at 15:34

1 Answer 1

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0

For some reason, Basemap has to be imported before shapely.

from mpl_toolkits.basemap import Basemap
import shapely.geometry as sg

Doing the import the other way around will cause the error.

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