Blog posts tagged protomaps

Map updates, December 2025 - Now with more PMTiles

In addition to 2025, we’ve also added new imagery from 1920, 1936 and 1961 all produced using the Allmaps Editor to georeference existing collections materials. I’ll talk more about some of the tools and workflows we’ve developed to work with Allmaps in a future blog post. All of these new maps have also been added to the interactive map application on display in the Terminal 2 SkyTerrace Observation Deck. As part of those updates we’ve also started serving these historic maps from PMTiles databases rather than folders full of individual tiles on disk.

This is a blog post by aaron cope. It was published on December 15, 2025 and tagged maps, protomaps, ios, swift and vapor.

A global point-in-polygon service using a static 8GB data file

A global point-in-polygon service that returns Who’s On First records and costs a few dollars a month to run.

This is a blog post by aaron cope. It was published on December 19, 2022 and tagged pointinpolygon, protomaps and golang.

Serving map tiles to yourself using Protomaps and iOS

Aside from solving an immediate technical problem we are excited about how this approach might be applied to future projects and we hope you will be too.

This is a blog post by aaron cope. It was published on March 30, 2022 and tagged swift, ios, maps, protomaps, openstreemaps and skyterrace.