[geos-devel] Order of results in GEOSDelaunayTriangulation

Sandro Santilli strk at kbt.io
Mon Sep 4 00:31:19 PDT 2017


On Mon, Sep 04, 2017 at 04:33:28PM +1000, Nyall Dawson wrote:
> Hi list,
> 
> Quick question - is there any logic to the order of geometries in the
> collection returned by calling GEOSDelaunayTriangulation?
> 
> I'm looking for a way to reliably associate the parts of the returned
> collection with the original input nodes. Ideally I'd like to avoid
> having to test for intersection for each of them.

I don't think there's any promise about output order, so even if you
find one now it won't necessarely remain.

--strk;


More information about the geos-devel mailing list