[geos-devel] OverlayNG for Testing

[Sandro Santilli]

On Wed, Jul 29, 2020 at 02:08:59PM -0700, Martin Davis wrote:

> Another behavioural change is that now overlay operations do not return
> mixed-dimension results.  Instead, a homogeneous geometry containing only
> the highest dimension resultants is returned.

ST_MakeValid in PostGIS expects the old behavior, as the funders of it
insisted in "not loosing any vertex" (so not throwing away anything).

--strk;