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OpenMapTiles - example of how to make your own layer from OSM tags

See the video from State of the Map conference on How to modify the OpenMapTiles:

https://youtu.be/oI4GJE_v-zo?t=832

OpenMapTiles is an extensible and open vector tile schema for a OpenStreetMap basemap. It is used to generate vector tiles for openmaptiles.org and openmaptiles.com.

We encourage you to collaborate, reuse and adapt existing layers and add your own layers or use our approach for your own vector tile project. The repository is built on top of the openmaptiles/tools to simplify vector tile creation.

This repository is the simple example, how to create a custom layer in OpenMapTiles project.

Develop

To work on OpenMapTiles you need Docker and Python.

Build

Build the tileset.

git clone git@github.com:openmaptiles/skiing.git
cd openmaptiles
# Build the imposm mapping, the tm2source project and collect all SQL scripts
make

Prepare the Database

Now start up the database container.

docker-compose up -d postgres

Download OpenStreetMap data extracts and store the PBF file in the ./data directory.

cd data
wget http://download.geofabrik.de/europe/albania-latest.osm.pbf

Import OpenStreetMap data with the mapping rules from build/mapping.yaml (which has been created by make).

docker-compose run import-osm

Work on Layers

Each time you modify layer SQL code run make and docker-compose run import-sql.

make clean
make
docker-compose run import-sql

Now you are ready to generate the vector tiles. Using environment variables you can limit the bounding box and zoom levels of what you want to generate (docker-compose.yml).

docker-compose run generate-vectortiles

License

All code in this repository is under the BSD license and the cartography decisions encoded in the schema and SQL are licensed under CC-BY.

Products or services using maps derived from OpenMapTiles schema need to visibly credit "OpenMapTiles.org" or reference "OpenMapTiles" with a link to https://openmaptiles.org/. Exceptions to attribution requirement can be granted on request.

For a browsable electronic map based on OpenMapTiles and OpenStreetMap data, the credit should appear in the corner of the map. For example:

© OpenMapTiles © OpenStreetMap contributors

For printed and static maps a similar attribution should be made in a textual description near the image, in the same fashion as if you cite a photograph.