tilezen / vector-datasource

Tilezen vector tile service - OpenStreetMap data in several formats
https://www.nextzen.org/
Other
509 stars 120 forks source link

Geometry shifts substantially between NE and OSM in boundaries layer #2061

Open nvkelso opened 2 years ago

nvkelso commented 2 years ago

Viewing the map at zoom 7 the shapes are over generalized from Natural Earth, and their alignment seems to be off. Viewing the map at zoom 8 from OSM the shapes are appropriately generalized for the zoom. Even if Natural Earth improved it's XY alignment issues, it would still be over generalized at zoom 7.

Adjust the NE to OSM transition from 8 to 7.

We did this once before in https://github.com/tilezen/vector-datasource/pull/1359/files, so "-1" to those PR values.

Zoom 7: http://tangrams.github.io/bubble-wrap/#7.9/34.931/-282.051

image

Zoom 8: http://tangrams.github.io/bubble-wrap/#8.1/34.8504/-282.5036

image