[geos-devel] Union of XYZ or XYM polygons

Mateusz Loskot mateusz at loskot.net
Mon Feb 13 01:57:13 PST 2017

On 13 February 2017 at 10:36, seboricor <seboricor at gmail.com> wrote:
> Hello,
> I would like to know if it is planned that GEOS implements union of XYM or
> XYZ polygons ?
> I think it would be very interesting that the union of XYZ (or XYM) polygons
> returns an XYZ polygon and not only an XY (something as shown in the joined
> drawing)

You may read related threads about XYZ, XYM, XYZM support

AFAIK, GEOS has no M support.
You may try to implement coordinate interfaces, as briefely
explained here

Best regards,
Mateusz Loskot, http://mateusz.loskot.net

More information about the geos-devel mailing list