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postgis

PostGIS spatial database extension for PostgreSQL

DatabasesFast PostGIS Polygon Clustering for Zoom Maps

Optimize large polygon datasets in PostGIS for zoom-based rendering. Use GiST/BRIN indexes, ST_ClusterKMeans, ST_ClusterWithin, vector tiles (MVT), geometry simplification for millisecond queries on 300k+ records.

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DatabasesPostGIS ST_Intersects Precision Issues with Bounding Box Queries

Fix inconsistent PostGIS ST_Intersects results when querying bounding boxes. Learn about floating-point precision issues and solutions for reliable spatial queries.

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