[geos-devel] Support for M values

[Sandro Mani]

On 26.03.2015 13:35, Sandro Santilli wrote:
> On Thu, Mar 26, 2015 at 01:23:14PM +0100, Sandro Mani wrote:
> I confirm it's currently completely unsupported.
>
> The problem of supporting M is that even 2D geometries will
> grow by 1/4 of each Coordinate, which is a concrete (non-virtual)
> class. I've no idea how would a virtual Coordinate affect performances,
> it would need to be tested.
Initial patch posted for comment:

https://github.com/libgeos/libgeos/pull/45

Note: having M support in GEOS is really desirable considering that QGIS 
will properly support M values with the redesigned geometry core.