[postgis-users] 3D boxes supported?

strk at refractions.net strk at refractions.net
Wed Mar 22 14:18:26 PST 2006

No 3d boxes used in index.
No worth upgrading, if this is what you need.

On Wed, Mar 22, 2006 at 11:31:37AM -0800, Greg Janée wrote:
> Does PostGIS fully support three-dimensional bounding boxes?  
> Specifically, does PostGIS support overlaps and containment testing of 
> 3D boxes, and will it take advantage of a GiST index to do so?
> Also, is it still true that the only way to create a 3D box is to use 
> the SetSRID function, as in (I pulled this from the documentation):
>    SetSRID('BOX3D(191232 243117,191232 243119)'::box3d,-1)
> (As an aside, isn't the above just a 2D box?)
> Sorry if these are naive questions, but I'm running an older version of 
> PostGIS (1.0) and my understanding from reading the change logs is that 
> I need to upgrade to get some recent fixes related to 3D boxes, but 
> there's no point in upgrading unless 3D box testing uses the GiST 
> index.
> Thanks,
> -Greg
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