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Apr 4, 2017 at 17:38 comment added Evan Carroll No you can only 4d in PostGIS, and I would suggest keeping it 3d. However, you can store another dimensionality in the m coordinate. Docs are on postgis.net, as always with docs ymmv. I find them to be pretty good but certainly not all questions are answered, that's why dba.se exists.
Apr 4, 2017 at 17:31 comment added ypercubeᵀᴹ PostGIS documentation is a bit lacking. Where can one find what types are supported and what functions on them? (eg. can I store 42-d objects, etc?)
Apr 4, 2017 at 16:00 history edited Jack Douglas CC BY-SA 3.0
toned down
Apr 4, 2017 at 15:56 history answered Evan Carroll CC BY-SA 3.0