2.7 Billion Buildings
Read OriginalThe article details the process of converting the new OpenBuildingMap dataset—containing footprints, heights, and usage data for 2.7 billion global buildings—from GeoPackage files to ZStandard-compressed Parquet files hosted on AWS S3. It explains the performance and storage advantages of columnar formats for large-scale geospatial analysis and describes the author's high-performance workstation setup and tools used for the conversion.
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