Install PostGIS and GDAL

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Written by Rathan Kumar

Senior Software Developer | Django Instructor

Install PostGIS

This post considers that you have already installed PostgreSQL & pgAdmin on your windows computer. So, you should already have the Application Stack Builder software on your system. Application Stack Builder is actually used to download and install add-ons to our Postgres databases.

Goto Application Stack Builder and install PostGIS extension.

install postgis

Go to Pgadmin 4 and create a PostGIS extension for your database

Click on the Query tool and run the below query


Install GDAL on Windows

Download GDAL wheel file that is supported for your platform from here

Cut the wheel file and paste it inside your project’s root directory. Make sure your virtual environment is activated.

Install the wheel using command  pip install name_of_the_file

You will see osgeo folder has been created in the location ‘..envLibsite-packages’ .

Go to osgeo folder and copy the path of your gdalxxx.dll file and add it to the file as gdal library path.

os.environ['PATH'] = os.path.join(BASE_DIR, 'venvLibsite-packagesosgeo') + ';' + os.environ['PATH']
os.environ['PROJ_LIB'] = os.path.join(BASE_DIR, 'venvLibsite-packagesosgeodataproj') + ';' + os.environ['PATH']
GDAL_LIBRARY_PATH = os.path.join(BASE_DIR, 'venvLibsite-packagesosgeogdal303.dll')

Install GDAL on Mac OS

Install GDAL on your system

brew install gdal

To be sure that GDAL is installed in your system, just type:

gdal-config --version

Now we have GDAL installed, we proceed to setup a GDAL Python binding. Just upgrade your version of pip before to install the library in python environment.

pip3 install — upgrade pip

Once updated, just type:

pip3 install gdal==x.x.x

Replace x.x.x with the gdal version, it must be the same as the one obtained in the step above using gdal-config. To avoid conflicts or any further issues, it’s important to install and use the exact versions that any component will require.
Sometimes you could experiment ModuleNotFoundError trying to install the GDAL python binding, you can solve this issue by installing the needed modules. The most required module is Numpy, and you can install it just by typing:

pip3 install numpy # only if you get Numpy ModuleNotFoundError 

Check out your GDAL python binding

python3 -c "from osgeo import gdal"

You won’t see anything if everything is well installed.

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