On Tue, 9 Feb 2021 at 08:02, Илья Нецветаев <notequa...@gmail.com> wrote: > 1. What does exactly "valid geometry" mean?
You will find it in the OGC SFS specification > What does IsValid check? Read https://postgis.net/docs/ST_IsValid.html and https://postgis.net/docs/postgis_usage.html#OGC_Validity Read the GEOS library source code to learn the details. Ask https://lists.osgeo.org/mailman/listinfo/geos-devel > As it is written in docs: Returns true if geometry has no points". I'm not > sure, that I understand it correctly. Empty geometry is a valid geometry. See OGC SFS. > 2. Is there a proper way to replace MakeValid with something in order to keep > my app functional? Read the GEOS library source code to learn the details. Best regards, -- Mateusz Loskot, http://mateusz.loskot.net _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/gdal-dev
