[gdal-dev] The 2.5D geometry proposal

[Ralf Suhr]

Hi Oyvind,

there no 3D in ISO SQL/MM part 3. If you want real 3D, you have to define 
volumetric objekts. PostGIS support SQL/MM part 3.

Gr
Ralf

Am Donnerstag 16 September 2010 14:03:09 schrieb Oyvind Idland:
> Hello,
> 
> been taking a look at "Adam's 2.5D simple features proposal" at the OGR
>  website.
> 
> Question: Why not adopt the existing ISO SQL/MM part 3 standard ?
> 
> The SQL/MM standard is an extension to the existing WKB/WKT by OGC.
> 
> The extensions includes Z and M geometries, and even arcs
> (CircularString/CompoundCurve etc).
> 
> 
> regards,
> 
> 
> Oyvind Idland
> _______________________________________________
> gdal-dev mailing list
> gdal-dev at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/gdal-dev
>