Basemap import error in PyCharm — KeyError: ‘PROJ_LIB’

by

For Windows 10 with Anaconda + Python 3.71 (and I’m sure other Python 3 versions and Windows 7/8), you can tell Basemap where Proj4’s “epsg” file is to succeed. I don’t have an “environment” or whatever because it’s too much work to figure out – so I didn’t have an anaconda\share\proj area (as far as I could discern why I didn’t have it).

But, what Basemap wants is the file “epsg”, search the Anaconda directory for it with Windows Explorer. If it doesn’t find it, install Proj4 by opening the “Anaconda Prompt” and typing in:

conda install -c conda-forge proj4

If it finds it, it should be in something like:

C:\Utilities\Python\Anaconda\Library\Share (it’s where mine was, as well as \pkgs\ places where I guess it puts the package itself – and those can work too if need be, I used them at first, but the library one should work through updates better (maybe)).

Use the following code before importing Basemap and it’ll work. Sets the environment variable PROJ_LIB to wherever epsg is and then Basemap can be happy.

import os
os.environ["PROJ_LIB"] = "C:\\Utilities\\Python\\Anaconda\\Library\\share"; #fixr
from mpl_toolkits.basemap import Basemap

As a nice bonus, to get hi-res data of Basemap, which Anaconda doesn’t include in the Basemap install to start, type into “Anaconda Prompt”:

conda install -c conda-forge basemap-data-hires

More Related Contents:

  1. How do I type hint a method with the type of the enclosing class?
  2. Cannot install pygame in Pycharm
  3. Python 3.7 anaconda environment – import _ssl DLL load fail error
  4. numpy is already installed with Anaconda but I get an ImportError (DLL load failed: The specified module could not be found)
  5. Discord Bot can only see itself and no other users in guild
  6. How to fix “could not find or load the Qt platform plugin windows” while using Matplotlib in PyCharm
  7. How PyCharm imports differently than system command prompt (Windows)
  8. What is the type hint for a (any) python module?
  9. How to run Pylint with PyCharm
  10. how to use a while loop in my python code
  11. python 3.2 if-else
  12. How to use string.replace() in python 3.x
  13. How to set sys.stdout encoding in Python 3?
  14. Why does on_message stop commands from working?
  15. How do I activate a virtualenv inside PyCharm’s terminal?
  16. Unsupported operand type(s) for +: ‘int’ and ‘str’ [duplicate]
  17. Facebook JSON badly encoded
  18. PySerial non-blocking read loop
  19. Transform a set of numbers in numpy so that each number gets converted into a number of other numbers which are less than it
  20. One liner: creating a dictionary from list with indices as keys
  21. Python regex for unicode capitalized words
  22. Tkinter IntVar returning PY_VAR0 instead of value
  23. __init__() missing 1 required positional argument
  24. How can I more easily suppress previous exceptions when I raise my own exception in response?
  25. “TypeError: a bytes-like object is required, not ‘str'” when handling file content in Python 3
  26. SyntaxError on “self.async” when running python kafka producer
  27. not all arguments converted during string formatting.. NO % variables
  28. Autocomplete in PyCharm for Python compiled extensions
  29. Why does setattr fail on a bound method
  30. How to limit number of CPU’s used by a python script w/o terminal or multiprocessing library?

Leave a Comment