CODEWITHSUNDEEP
python-3.xmacosjupyter-notebookanacondamatplotlib-basemap
Data2Dollars
Data2Dollars

Reputation: 821

Basemap won't import because 'epsg' file or directory can't be found (MacOS, Anaconda, Jupyter Notebook)

I am trying to use the Matplotlib Basemap toolkit but am running into a FileNotFoundError related to epsg when I try importing it.

I installed it using the following command:

conda install -c conda-forge basemap

Here's my import command:

from mpl_toolkits.basemap import Basemap

Here's the error:

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
<ipython-input-1-d9467465a3b6> in <module>
----> 1 from mpl_toolkits.basemap import Basemap

/anaconda3/lib/python3.7/site-packages/mpl_toolkits/basemap/__init__.py in <module>
    154 # create dictionary that maps epsg codes to Basemap kwargs.
    155 pyproj_datadir = os.environ['PROJ_LIB']
--> 156 epsgf = open(os.path.join(pyproj_datadir,'epsg'))
    157 epsg_dict={}
    158 for line in epsgf:

FileNotFoundError: [Errno 2] No such file or directory: '/anaconda3/share/proj/epsg'

I'm completely new to Basemap, so I'm not sure how to go about fixing this. I'm using Jupyter Notebook to run Python 3.7.3 on macOS Mojave 10.14.6.

Thanks in advance.

Upvotes: 1

Views: 6186

Answers (2)

Daniel Westphal
Daniel Westphal

Reputation: 11

As said in another comment run this command in terminal or in the Anaconda executor thing (if you run it in Anaconda make sure you redo the single quotes part if you copy and paste the below):

$ find `conda info --base` -name epsg

When you run that command several file paths should come up. Before you import Basemap into your program put the following lines:

import os
os.environ['PROJ_LIB'] = '/Users/XXXXXXXX/opt/anaconda3/pkgs/proj4-5.2.0-h0a44026_1/share/proj/'

where the whole line in quotes is the filepath that appears from the first line of code (without the epsg/ at the end). The part in quotes above is what appeared for me. If no file paths come up or another issue arrises check out the github pages on this (just google the error) or try

conda install -c conda-forge proj4

Upvotes: 1

J_H
J_H

Reputation: 20593

You are looking for this file: https://github.com/matplotlib/basemap/blob/master/lib/mpl_toolkits/basemap/data/epsg

Your PROJ_LIB env var does not appear to end with .../site-packages. Please refer to https://ctcoding.wordpress.com/2019/01/29/solved-proj_lib-error-when-installing-basemap-on-windows-using-anaconda/

Take a look at $ conda info --base, and then run

$ find `conda info --base` -name epsg

to verify the file was installed in the intended directory. Adjust PROJ_LIB to point there.

Upvotes: 1

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