On Mon, 1 Oct 2018 at 23:01, Helmut Kudrnovsky <hel...@web.de> wrote: > > Helmut Kudrnovsky wrote > >>[...] > >>Caris LOTS: 14.737 km^2 > >>ArcMap: 14.727,446 km^2 > >>MapInfo: 14.727,352 km^2 > >>GeoMedia: 14.726,443 km^2 > >>Planimeter: 14.722,522 km^2 > >>QGIS 3.2: 14.652,181 km^2 > >>QGIS 2.8: 14.652,181 km^2 > >>[...] > >>My suspicion is that the geodesic algorithm used by QGIS (and apparently > > GRASS) is to blame here. > > > > a quick check in GRASS 7.7.svn shows :-) > > > > |m2|km2| > > |14718097678,673|14.718,097679|
Ok, with https://github.com/qgis/QGIS/pull/8090 QGIS now exactly matches GRASS' value (14.718 km2). (For reference -- not a regression, this bug has been around since ellipsoidal calculations were introduced to QGIS!) Nyall _______________________________________________ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
