{"version":"1.0","type":"rich","title":"Building and Updating a Global HDM Vector Tile Source from OSM Data","description":"This example outlines an architecture for building and updating a global Humanitarian Data Model (HDM) vector tile source from OpenStreetMap data. It first contrasts an older pipeline that filtered OSM `.pbf` files with node-osmium and generated tiles via Tippecanoe, then proposes a scalable system using AWS DynamoDB and S3 for storage, cardboard for tile generation, and tilelive-cardboard to serve tiles through a TileJSON URL. The writeup includes concrete processing steps and scripts for ingesting continent-level OSM extracts.","provider_name":"VizHub AI Studio","provider_url":"https://next.vizhub.com","html":"<iframe src=\"https://next.vizhub.com/viz/gist-ad19b32917a971f1fc40880c63b91813?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"1\"></iframe>","width":960,"height":500,"cache_age":3600}