Simon Willison: TILs on gis

Atom feed for gis

gis Using SQL with GDAL - 2023-03-09

Inspired by Brad Neuberg I decided to take a look at the SQL features in the GDAL family of tools. …

gis Natural Earth in SpatiaLite and Datasette - 2022-03-04

Natural Earth (website, Wikipedia) is a a public domain map dataset. …

gis Downloading MapZen elevation tiles - 2021-02-04

Via Tony Hirst I found out about MapZen's elevation tiles, which encode elevation data in PNG and other formats. …