portolan-pipeline
City of Boston open spaces and parks, playgrounds, athletic fields, conservation land, and cemeteries, 1,012 polygons from the City of Boston GIS open data platform. Official primary source, republished as cloud-native GeoParquet with a PMTiles visualization and MapLibre styles.
License, PDDL-1.0. Providers, City of Boston (producer, licensor), Portolan SDI (host). Original source, https://opendata.arcgis.com/api/v3/datasets/2868d370c55d4d458d4ae2224ef8cddd_7/downloads/data?format=shp&spatialRefId=4326 . Features, 1012. Cloud-native asset, boston-open-space.parquet (GeoParquet). Note, the upstream source is a live endpoint, so it is referenced by URL only and not archived as a source asset.
The data asset is GeoParquet 2.0 with a native geometry type and a covering bbox column for fast web-client pruning. Read it with a recent GeoPandas built on pyarrow 24 or newer.
Or query it in place with a recent DuckDB spatial.
