[postgis-users] 3d index in postgis

searchelite searchelite at gmail.com
Tue Aug 26 22:03:39 PDT 2008

Kevin Neufeld wrote:
> Indexes in PostGIS are 2D only.  In other words, an gist index on a 3D 
> geometry column will only use the first 2 dimensions of the geometries 
> (equal geometries in 2D, but varying in the 3rd dimension, are treated 
> the same).
> Having said that, you probably can get 3D index support by way of the 
> PostgreSQL module cube.
> http://www.postgresql.org/docs/8.3/static/cube.html

Thanks for the info..I'll try the module first :-)

View this message in context: http://www.nabble.com/3d-index-in-postgis-tp19119469p19174734.html
Sent from the PostGIS - User mailing list archive at Nabble.com.

More information about the postgis-users mailing list