CoMap

u/CoMap@sopuli.xyz
60 posts · 18 comments

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In reality there were two updates, with data from July 21st and July 28th, but those newer maps required having app version 2026.07.16 - so the Google Play folks needed to wait for Google to finish the app review before being able to access them!

A huge thanks to the ~25 folks that joined us for our virtual birthday party yesterday and made it a really great event! 🥳 Covering a range of 14 time zones, it really showed how global our community is. 🌏 Over the course of around 2.5 hours, we were joined by some long-standing CoMaps contributors, active members of the #OpenStreetMap community, and many new faces!

No worries! It all is based on the same data, but then the processing can be quite different (e.g. the calculation of penalties for the routing algorithms goes into the maps during this processing), or which POI types are shown on the maps etc. Converting the raw OSM DB into something usable for mobile apps is quite a heavy processing step 🙂

There's some duplication - but it's not that easy: Map applications like CoMaps and OsmAnd make their own choices on which types of data from OSM is included in maps and how it's displayed, and also how the data structure behind the scenes work. This is necessary to create maps that load fast and work well for route calculations etc. So having them compatible between apps is extremely hard.

Vespucci in contrast is a pure OSM editor, so this just gets the 'raw' data from OSM for a given region, as it focuses on only editing/adding data to OSM, but not on end-user search, can't navigate etc.

For that reason it's unfortunately not likely that a shared format will emerge, as different OSM data users and apps have different needs!

on CoMaps on Flathub · c/CoMaps · 4 pts · 183d

If you have particularly strange routings, feel free to send examples somewhere. As they can be due to OSM errors too, it's always good to have a look on whether the CoMaps routing is having an issue or if the underlying data can be fixed!

on CoMaps at FOSDEM · c/CoMaps · 2 pts · 190d

join the matrix room if you haven't yet, and you'll find some other map-loving folks who'll be there!