[postgis-devel] filter by m-value and effective area

Nicklas Avén nicklas.aven at jordogskog.no
Fri Oct 27 07:25:42 PDT 2017


Sorry for the delay. 

I have put what I have at :

It is just a start. It should work for linestrings and polygons.
collection logic is not in place.

No doc and no tests yet.

New function is 

ST_FilterByM(geometry, double precision)


On Tue, 2017-10-24 at 10:48 +0000, G. Allegri wrote:
> Hi Nicklas,
> do you have a public branch to pichk and test ST_FilterM? 
> INHO it could provide a flag parameter to choose if collapsed polygon
> should generate NULL geometries or an error, and I would set it to
> error by default (safer mode maybe).
> giovanni
> _______________________________________________
> postgis-devel mailing list
> postgis-devel at lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/postgis-devel

More information about the postgis-devel mailing list