Python, GEOS and Shapely on Windows 64

Question

When trying to install Shapely on my Windows 64bit computer, I cannot get the GEOS library to work.

So far, I have run the OSGeo4W installer from which I installed GDAL (I believe the geos library is included in that package). After that, I checked and I have geos_c.dll on my C:\OSGeo4W\bin directory, but either I have missed some configuration steps or the library does not work.

I need Shapely to work, so I also ran pip install shapely after installing GDAL, and it apparently worked (although it could not find the C library for GEOS).

In my code, I can import Shapely, but when I try to use it, I get an error telling me "geos.dll" is not found.

Any help with this will be very appreciated. Thanks!

Maybe you could use an installer at the bottom of [this](http://pypi.python.org/pypi/Shapely/1.2b6) page. That should include geos. — RickyA, Nov 22 '12 at 11:16
In my case, I had to switch to a lower (3.10 to 3.9) Python version — Maksim I. Kuzmin, Dec 16 '21 at 18:40

Mike T · Accepted Answer · 2023-05-31T21:20:45.650

20

Anaconda/Miniconda/Miniforge users should install Shapely (and dependencies) with:

conda install shapely

As of 2020, other Python users can install binary wheels from PyPI with pip:

pip install shapely

(you may need --upgrade to get at least version 1.7.0, when binary wheels were added.) Note that binary wheels are not available for Python 2 on Windows.

Another resource is Christoph Gohlke's Geospatial library wheels for Python on Windows releases on GitHub. Download the latest Shapely wheels from here, e.g., shapely-2.0.1-cp39-cp39-win_amd64.whl for 64-bit Python 3.9.

edited May 31 '23 at 21:20

answered Jul 25 '13 at 05:02

Mike T

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Make sure you install the version that matches your Python installation, NOT your OS. I made the mistake of installing the 64 bit shapely since I'm running 64 bit Windows, but my Python is 32 bit, and it gave me a similar "geos_c.dll" is not found. – Tanner Semerad Sep 24 '13 at 00:17

score 6 · Answer 2 · answered May 31 '18 at 12:13

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see my answer here https://stackoverflow.com/a/50623996/1683626

on windows 10, python 3.6.5 64bit

install osgeo4w
add installed folder to path e.g. C:\OSGeo4W64\bin (must contain geos_c.dll)
restart command line

answered May 31 '18 at 12:13

y0j0

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score 4 · Answer 3 · answered Nov 25 '12 at 16:58

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There is an version of Shapely available here that includes geos in the installer. Look at the bottom of the page.

answered Nov 25 '12 at 16:58

RickyA

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This version is from 2010-04-13, and was compiled for 32-bit Python 2.4, 2.5 and 2.6. – Mike T Apr 16 '14 at 11:00
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you can find newer versions by modifying the version number in the url. E.g. [version 1.3.0](https://pypi.python.org/pypi/Shapely/1.3.0) is from 2014 and works with python 2.7 and 3.3 – joelostblom Mar 23 '15 at 14:25

score 2 · Answer 4 · edited Aug 04 '20 at 01:40

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I tried the method of @jozef but failed even I imported the folder to the path.

A straightforward solution: add geos_c.dll, geos.dll to the library folder of your python environment. Then it works.

edited Aug 04 '20 at 01:40

Dharman

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answered Aug 04 '20 at 01:34

will gu

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fastest fix, not sure that is se cleanest tho – Alexy Sep 24 '20 at 08:57
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You can download the dll at https://www.dll-files.com/geos_c.dll.html – Richie Rizal Amir Dec 12 '20 at 09:11

score 1 · Answer 5 · answered Dec 06 '19 at 16:39

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I used the command below and it did work;

pip install Shapely==1.3.0

answered Dec 06 '19 at 16:39

Farsh

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score 1 · Answer 6 · answered Mar 24 '21 at 12:50

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I've made it installing wheels for GDAL (and Fiona, in my case; might not be required) from https://www.lfd.uci.edu/~gohlke/pythonlibs/#gdal Providing a path to the geos_c.dll didn't work. Neither putting them into venv/Lib.

answered Mar 24 '21 at 12:50

olepinto

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Python, GEOS and Shapely on Windows 64

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