On Mon, Dec 04, 2006 at 04:01:16PM +0100, Mateusz Loskot wrote: > Markus Schaber wrote: > > Hi, Mateusz, > > > > Mateusz Loskot wrote: > >> AFAIK OGC SFS does say nothing about how to report dimension of empty > >> geometry. > >> > >> OGC SFS reserves values 0, 1, and 2 for dimensions of non-empty > >> geometry, so I'd suggest to use negative value. > > > > Don't confuse OGC dimension (geometrical dimensionality of the described > > object, Points have 0, LineStrings have 1, and Polygons have 2) and > > coordinate dimension (number of ordinates per vertex, which can be 2,3 > > or 4 in PostGIS). > > Markus, > > You are perfectly right! Sorry, I've read the message too fast.
No no... Mateus was right ! Unless I've read the bug report too fast myself :) We're talking about OGC dimension, not coordinate dimension here. Using negative value will be not comfortable as we're using -1 to represent an exception. --strk; _______________________________________________ geos-devel mailing list geos-devel@geos.refractions.net http://geos.refractions.net/mailman/listinfo/geos-devel
