[postgis-devel] SnapToGrid higher dimensions

[Mark Cave-Ayland]

strk wrote:

> Uhm... 
>  ST_SnapToGrid(the_geom, 0.01) snapping all dimensions ?
> X and Y might be lon,lat while Z could be meters...
> M go figure out what it is...

I don't see why we can't say that X, Y and Z are in the same coordinate 
system, but I agree that M could be just about anything.

The thing to clarify here is that we need to ensure that M is *NOT* 
treated as a dimension - it really is just an arbitrary unit attached to 
the main geometry.


ATB,

Mark.

-- 
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
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