[postgis-users] 3d Points

Christian Heine christian at geosci.usyd.edu.au
Thu Aug 4 03:21:07 PDT 2005


Strk,

On 02/08/2005, at 4:07 AM, strk at refractions.net wrote:
[snip]
> Distinction between 3DZ and 3DM is there to store
> semantic of the third parameter. Some operations
> would compute an appropriate value for the 3rd
> dimension if and only if it is a Z (and not an M).

thanks for the quick rundown. I guess the "standard" XYZ will sit my  
purposes quite well.
Cheers,
Christian

--
Christian Heine

         USIMS       |    University of Sydney
                     |    Institute of Marine Science
                     |    Sydney, Australia

P +61 2 9351 4257   •   F +61 2 9351 0184




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