[postgis-users] PointM, PolyLineM, PolygonM, ...

[Pierrick Brihaye]

Hi,

strk at refractions.net a écrit :

  > Now that postgis supports up to 4 dimensions geometry, what do you
> think should be done ? My vision is this:
> 
> Type  <-> geometry2d
> TypeM <-> geometry3d
> TypeZ <-> geometry4d
> 
> What do you think ?

How long shall we pay for ESRI's weird data model ? :-)

IMHO, the 3rd dimension has well-known semantics : Z.

Therefore, any other dimension should be considered as a 4th one.

Any other thoughts ?

Regards,

-- 
Pierrick Brihaye, informaticien
Service régional de l'Inventaire
DRAC Bretagne
mailto:pierrick.brihaye at culture.gouv.fr
+33 (0)2 99 29 67 78