> On Sep 16, 2020, at 1:25 PM, Paul Ramsey <pram...@cleverelephant.ca> wrote: > > >> https://docs.google.com/document/d/1TDm2aR4a7O41-soS-25Xog1EdQcjmvKCnKltxjbxOC0/edit# > > I have run the PostGIS regression suite with the GEOS 3.9 NG build installed, > and analyzed all the discrepencies, and there are very few of them (thanks > Regina for fixing up the first route of normalizations). > > Discussion of each case is at the end of the document linked above. > > * There were a few more normalizations to add, in the split and tickets tests. > * There was one cunit makevalid test that duplicates an existing test in > GEOS. It can fairly be removed, IMO. > * There was one small discrepency in a subdivide test, which might need to be > version guarded, or maybe just altered slightly. The results appeared > consistent for practical purposes (identical areas, etc). > * Despite worries, only one file in topology showed any differences. > topogeo_addlinestring.sql needs to be looked at by a topology expert, Sandro > do you think you could? > > I think we are very close to being able to make NG the default overlay engine > in GEOS. The task would look like:
Subject to completing Z coordinate preservation in NG overlay, first. P _______________________________________________ geos-devel mailing list geos-devel@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/geos-devel
