March 2018
Beginner to intermediate
584 pages
14h 31m
English
This Python script uses the requests and simplejson libraries to fetch data from the GeoNames wikipediaSearchJSON web service, and the GDAL/OGR library to store geographic information inside the PostGIS database.
First, you create a PostGIS point table to store the geographic data. This is made using the GDAL/OGR bindings. You need to instantiate an OGR PostGIS driver (http://www.gdal.org/drv_pg.html) from where it is possible to instantiate a dataset to connect to your postgis_cookbook database using a specified connection string.
The update parameter in the connection string specifies to the GDAL driver that you will open the dataset for updating.
From the PostGIS dataset, we created a PostGIS layer named wikiplaces that ...