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

[Markus Schaber]

Hi, Stephen,

Stephen Frost <sfrost at snowman.net> wrote:

> * 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...

The 4th option, actually, is "don't care", and I don't want to lose
that one.



Regards,
Markus

-- 
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

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