examples

Examples

Checkout the examples below to see how GoKoala works.

OGC API Tiles example

This example uses vector tiles from the PDOK BGT dataset (a small subset, just for demo purposes).

• Start GoKoala as specified in the root README and provide config_vectortiles.yaml as the config file.
• Open http://localhost:8080 to explore the landing page
• Call http://localhost:8080/tiles/NetherlandsRDNewQuad/12/2235/2031.pbf to download a specific tile

OGC API Features example

There are 2 examples configurations:

• config_features_local.yaml - use local addresses geopackages in WGS84, RD and ETRS89 projections.
• config_features_azure.yaml - use addresses geopackage (just one in WGS84) hosted in Azure Blob as a Cloud-Backed SQLite/Geopackage.

For the local version just start GoKoala as specified in the root README and provide the mentioned config file.

For the Azure example we use a local Azurite emulator which contains the cloud-backed addresses.gpkg:

• Run docker-compose -f docker-compose-features-azure.yaml up
• Open http://localhost:8080 to explore the landing page
• Call http://localhost:8080/collections/dutch-addresses/items and notice in the Azurite log that features are streamed from blob storage

OGC API 3D GeoVolumes example

This example uses 3D tiles of New York.

• Start GoKoala as specified in the root README and provide config_3d.yaml as the config file.
• Open http://localhost:8080 to explore the landing page
• Call http://localhost:8080/collections/newyork/3dtiles/6/0/1.b3dm to download a specific 3D tile

OGC API All/Complete example

This example demonstrates multiple OGC APIs (tiles, styles, features, geovolumes) in a single API.

• Start GoKoala as specified in the root README and provide config_all.yaml as the config file.