we've added calculation of ellipsoidal areas as well as projected ones (using project CRS) to fTools recently.
Along the same lines ultimately, it would be nice if operators from geometry group ($area, $perimeter...etc) are accompanied with $area_ellps, $area_prj, $perimeter_ellps, $x_prj...etc. Maxim Вы писали 28 февраля 2012 г., 11:38:55: PC> Hi all. PC> When calculating the area of polygons with the field calculator, the units are those PC> of the current projection. This is pointless in case of degrees (e.g. EPSG:4326). Of PC> course one can reproject the layer, but it would be good to be able to choose the PC> unit during calculations. PC> Opinions? PC> All the best. _______________________________________________ Qgis-developer mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-developer
