Architecture for Mobile First Maps

• Presented at FOSS4G 2018 in Saint Louis, Missouri - https://mobile1st.roblabs.com - Offline Maps for Mobile — Making Maps That Are Mobile First

MapLibre

• MapLibre.org — ”Open-source mapping libraries for developers of web and mobile applications.”
• MapLibre GL & Metal Support source code — maptiler / maplibre-gl-native
• Swift Package Manager for iOS — maptiler / maplibre-gl-native-distribution

Key Open Source PRs & Commits

• Analysis of Telemetry and Mapbox Mobile Events using Wireshark to test network traffic on MapLibre.
• Requirements and acceptance Criteria for MapLibre with Metal Support
• Add libwebp for Decoding WebP raster tiles

Projects that use MapLibre for Mobile:

• roblabs / openmaptiles-ios-demo
• aws-samples / amazon-location-samples
• by Klokan Technologies GmbH
  • MapTiler Mobile for Android
  • OpenMapTiles for Android
  • MapTiler Mobil‪e for iOS

Building Mapbox GL Native

Xcode 12.4

Xcode 12.5 & 13.x

Other

• Happier Xcode builds with Continuous Integration - https://github.com/roblabs/xcode-continuous-integration
  • Includes notes on how to build with Xcode Server Bots
    • How to build mapbox-gl-native-ios, versions <= v5.9
    • How to build mapbox-gl-native-ios, versions > 6.0
• Happier mapbox-gl-native-ios builds with Xcode Server Bots - Discussion on how to build Mapbox GL for CI https://github.com/mapbox/mapbox-gl-native-ios/issues/493
• Research into iOS + GLKit - https://github.com/mapbox/mapbox-gl-native-ios/issues/371
• Building mapbox-gl-native-ios with your own changes to mapbox-gl-native
  • change the Git Submodule to point to your own repo, for example see roblabs / mapbox-gl-native

Raster Decompression

• Decoding WebP rasters for iOS — https://github.com/roblabs/mapbox-gl-native/tree/Features/ios-webp#mapbox-gl–webp-for-ios
• Background info on WebP for image compression.

Sideloading of Map Data (for Offline Maps)

• Discussion on whether .pbf can be compressed when using tippecanoe: mapbox / tippecanoe #582

Android

• Open Source Project - https://github.com/roblabs/osm2vectortiles-android
• App in the Google Play Store - https://play.google.com/store/apps/details?id=com.roblabs.osm2vectortiles_android
• Maps for Android on the Google Play Store

iOS

• Open Source Project - https://github.com/roblabs/osm2vectortiles
• Offline Maps for iOS on the Apple App Store — https://itunes.apple.com/us/developer/epi-rational-inc./id416401310

Research into downloading Map Tiles as mbtiles

• This work is in a private repository, but some of this product research has made it into the iOS products mentioned.
• We also have prototypes of MBTiles being stored in a cloud or on the App Store as a post install operation.
• Offline Maps with MBTiles (requires authentication) - https://github.com/roblabs/openmaptiles-ios#mapbox-library-install

tippecanoe

• Creating a tippecanoe build for Docker — https://hub.docker.com/u/roblabs