[postgis-devel] Re: [postgis-users] create tables smarter

[Stephen Frost]

Kevin,

* Kevin Neufeld (kneufeld at refractions.net) wrote:
> I think there are actually 4 dimensions now. X,Y,Z,and M.  There once  
> was talk of working towards having N dimensions.  Do we still want to go  
> there?  In which case, I would recommend that, for now, we use 4-5 bits  
> for COORD_DIMENSION and 20-21 for SRID.

There are only 3 *options* currently, that being 2, 3, and 4.  I don't
believe we have 1-dimension support, or would ever want it, and it seems
pretty unlikely we'd have 5 but we have support to go there if we really
want to...

	Thanks,

		Stephen
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