openmaptiles/layers/boundary
benedikt-brandtner-bikemap a8e6573ba8
boundary.sql parallelization issue fix (#1551)
VectorTiles generated via the [openmaptiles-tools](https://github.com/openmaptiles/openmaptiles-tools) toolchain and using the OpenMaptiles-SQL-Layers as the query-source result in tiles which can contain duplicated keys.

This is because PostGIS `ST_AsMVT` is used to generate the Tiles and due to the way they [implemented parallelization](https://trac.osgeo.org/postgis/ticket/4310).

Although it is not prohibited by the Mapbox-Vector-Tile-Specification MapBox as well as MapLibre depending on version either throw a lot of warnings or even crash when encountering tiles with duplicated keys.
https://github.com/mapbox/vector-tile/issues/55
https://github.com/maplibre/maplibre-native/issues/795

After investigating I identified the boundary layer in zoom-leves 1 - 4 as the only layers containing duplicated keys.
2023-07-10 11:50:31 +02:00
..
README.md
boundary.sql boundary.sql parallelization issue fix (#1551) 2023-07-10 11:50:31 +02:00
boundary.yaml
boundary_name.sql
etl_diagram.png
mapping.yaml
mapping_diagram.png
style.json improve `class=path` styling (#1450) 2023-01-06 10:08:03 +01:00

README.md

boundary

Docs

Read the layer documentation at http://openmaptiles.org/schema#boundary

ETL diagram

ETL diagram for boundary