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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!

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2 Answers 2

up vote 9 down vote accepted

Uninstall shapely and try to install it from here. Hope it helps. It worked for me.

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This did it. I actually used the same page to download Numpy for an unrelated library, but I didn't see shapely there. Thanks! – Juan Carlos Coto Nov 1 '12 at 8:52
Thanks! This is AFAIK, the only place you can get a windows installer for shapely. – Matej Oct 29 '14 at 20:33
just a note for python noobies like myself: the -cpXX- refers to your python version. As of this writing, current versions would be cp27 or cp35. – flies Nov 23 at 15:31

I was having the same problem but now everything is working perfectly. You can download the shapely package (in wheel package) from the link shared by Mario Miler (link) Choose you package according to your windows and python version. Download the file, it has .whl extension. It is file format for python Wheel package.

Go to cmd and enter:

pip install wheel

Then cd to the folder where you have downloaded and enter

pip install 'your_package_full_name'.whl
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where do you find the .whl file? I used the link you give to download shapely but the downloaded file is a zip file, which contains two folders, neither of which seems to contain a .whl file. There is a file called WHEEL with no extension but it isn't something I can run with pip. – Alexis Eggermont Nov 28 at 0:59

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