"Robin Ericsson" <lobbin@gmail.com> writes:
> Yes, I've looked at those, I was thinking that point looked like a
> good type, but it's only 2d, so maybe I need a hint on how to use this
> in a 3d environment.
Yeah, the built-in geometric types are all 2D. If you need 3D, perhaps
PostGIS can help --- otherwise you're on your own :-(. But adding a new
datatype to PG isn't hard, if you can hack C at all.
regards, tom lane