At a glance it sounds about right. Much of the 3D PostGIS functionality is built in or implemented in SFCGAL.
It looks like Spark utilizes JTS (of which GEOS is a fork of, which is what PostGIS uses for almost all the 2D processing). So I would expect the functionality to be limited to what you see in JTS/GEOS. Both JTS and GEOS are picking up steam in the 3D arena, so I expect this story to change in the next year or so. From: postgis-users [mailto:[email protected]] On Behalf Of Shaozhong SHI Sent: Monday, October 10, 2022 7:44 AM To: PostGIS Users Discussion <[email protected]> Subject: [postgis-users] geospatial functions on Databricks appear to lag behind PostGIS? It appears that geospatial functions on databricks lag behind PostGIS. It appears that there is no 3d geometric operations such as ST_3DIntersects. 11.6. SparkSQL Functions — GeoMesa 3.4.0 Manuals <https://www.geomesa.org/documentation/stable/user/spark/sparksql_functions.html> Is that right? Regards, David
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