you can always get the geometry from the rubber band with asGeometry() http://qgis.org/api/classQgsRubberBand.html#aecb438a7c6e7c284d6a601d88985b66a
and calc the area. Regards, Luigi Pirelli On 16 October 2014 09:38, Michael Pfeiffer <[email protected]> wrote: > Hi everybody, > > I'm developing a python plugin. > Now the users of the plugin want to see the area of a polygon while editing > it with the node tool because they need to have polygons with a specific > area. > Means they move a node and the area changes while moving the node. > Is there an easy way to manage this? Are there already any examples? > > Thx for your help > > regards > > Michael > > > > -- > View this message in context: > http://osgeo-org.1560.x6.nabble.com/Show-area-of-a-polygon-while-editing-with-node-tool-tp5167750.html > Sent from the Quantum GIS - Developer mailing list archive at Nabble.com. > _______________________________________________ > Qgis-developer mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-developer _______________________________________________ Qgis-developer mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-developer
