Measured times

Red Cross GeoParquet

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Loading engine and parquet…

Map fills after a query.

20,938,461 bytes county parquet · 3,163 rows · zstd · Hilbert-sorted · 1 row group.

DESCRIBE columns: GEOID, ArcGeoID, FIPS, County, STUSPS, Chapter, geom. geom is WKB.

DuckDB-WASM + spatial. CRS registry is warmed before LOAD spatial (duckdb-wasm#2199).

deck.gl GeoJsonLayer on a dark canvas. No basemap tiles.

Engine: …
Download: …
Chapters file: 11,105,688 bytes · 226 polygons. Not fetched for these questions — chapter membership is a column on the county file.