[postgis-users] postgis indexing: ok for 3d?

[strk at refractions.net]

No luck, R-tree index is 2D only.
--strk;

On Wed, Nov 02, 2005 at 08:43:16AM -0500, Rick Schumeyer wrote:
> I am interested in storing a collection of 3D points is postgis.  Is the
> postgis R-tree index effective in 3D?  (I'm clearly not familiar with how
> R-trees work).  All the examples I have seen are 2D.  So I  know that the
> R-tree is great for finding all points within a rectangle.  But could I use
> the index to ask for all points within a 3D box?
> 

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