[Mapserver-users] Multidimensional databases

[Paul Ramsey]

Yes and no as always.
PostGIS and OracleSpatial can store 3d simple features.  But neither 
works with *real* three dimensional features, like surfaces and other 
volumetric shapes.
If you want to index multidimensional things, the PostgreSQL 'box' 
extension in contrib might be useful, being an n-dimensional rtree.
Extensions to PostGIS to support n-dimensionality and indexing for 
simple features would be relatively straightforward.  Doing support for 
volumetric and hypersurface analysis functions would of course be a 
good deal more problematic. :)
Paul

On Sunday, April 27, 2003, at 01:58 AM, Morten Nielsen wrote:

> This is probably a bit off-topic, but here goes...
> Does anyone here know of any multi-dimensional spatial databases? Ie. 
> 3D, 4D
> or nD.
>
> Regards
> /Morten Nielsen
> http://www.iter.dk
>
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>
      Paul Ramsey
      Refractions Research
      Email: pramsey at refractions.net
      Phone: (250) 885-0632