Does anyone know if SP-GiST is still available? I never got a reply about a password (www.cs.purdue.edu/spgist/) to access the download. Beyond SP-GiST, does anyone know of an existing way to use a quadtree or k-d tree in Postgres? I'm indexing only 2-d points and looking for something that partitions the space.
Thanks, Mose
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