[postgis-users] Number of vertices in a polygon

strk strk at keybit.net
Wed Dec 3 06:54:29 PST 2003


npoints(the_geom);

--strk;

nri wrote:
> Hello all,
> 
> Is there a simple way to get the total number of vertices in a Polygon
> with an SQL query ? (something like numpoints(the_geom), where the_geom
> would be a polygon column)
> 
> The "summary(geometry)" function is handy, but one must parse its result
> in order to build the total number of vertices.
> 
> Thanx
> Nicolas Ribot
> 
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