4th February 2021
TIL
Downloading MapZen elevation tiles
— [Via Tony Hirst](https://twitter.com/psychemedia/status/1357280624319553537) I found out about [MapZen's elevation tiles](https://www.mapzen.com/blog/terrain-tile-service/), which encode elevation data in PNG and other formats.
Recent articles
- Is Claude Code going to cost $100/month? Probably not - it's all very confusing - 22nd April 2026
- Where's the raccoon with the ham radio? (ChatGPT Images 2.0) - 21st April 2026
- Changes in the system prompt between Claude Opus 4.6 and 4.7 - 18th April 2026