H
Jun 23, 2026How a map works, Mercator, tiles, and your GPS pin
Every slippy map you have ever dragged, Google Maps, OpenStreetMap, is built on two pieces of math, flattening a globe and chopping it into tiles. Both fit in a few lines of Python, and once you have them you will know exactly where your blue dot comes from.
Jun 23, 20264 min read0 reactions0 comments