On Mon, Oct 9, 2023 at 10:05 PM Even Rouault via gdal-dev <gdal-dev@lists.osgeo.org> wrote: > > Michael, > > you won't find much support for that in GDAL itself. You'd better have a > look at Spatialite topology, PostGIS topology or GRASS topology.
Concerning the latter, here some overview Wiki pages: - https://grasswiki.osgeo.org/wiki/Vector_topology - https://grasswiki.osgeo.org/wiki/Vector_Database_Management - https://grass.osgeo.org/programming8/vectorlib.html > The process is basically: import your geometries as a topology, do > reprojection or other work in the topology domain, and go back to the > geometry domain. > > QGIS has a plugin to work with PostGIS topology: > https://plugins.qgis.org/plugins/pgtopoeditor/ > > (I was involved in discussions yeaaars ago about having GDAL offering a > generic API and translation between all those topology formats but that > never materialized) > > Even Markus _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/gdal-dev