deck.gl + GeoArrow

COGP read straight into deck.gl, no base map library

Each view is read from one Parquet file with HTTP range requests, encoded as GeoArrow in a worker with toGeoArrow, and handed to deck.gl GeoArrow layers without GeoJSON or MVT. Other demos · Spec & source

Dataset

Or a COGP file URL

Columns to read Comma-separated paths; dots select struct fields or map keys. Blank reads geometry only. Press Enter to apply. Read all attribute columns

Choose a dataset to start.

GeoParquet metadata