Hey Andreas, On the digitizing toolbar, try "Split Parts" instead of "Split Features" on multipart polygons.
HTH, James Sent from my iPhone > On May 22, 2017, at 06:49, Andreas Wicht <[email protected]> wrote: > > Hi all, > > I have a question regarding the behavior of the "split features" tool > when it comes to multipart polygons. > For that I created a small example (see split_features_1.png). > > The polygon "1" is a multipart polygon as shown in the screenshot. > Let's say a user wants to split the lower polygon into two in order to > merge one part to the polygon "3" (here the workaround would be the > usage of the reshape features tool) or to create an entirely new > feature. (see split_features_2.png). > > The expected result would be a the separated polygon (here on the > right) and the rest of the polygon including the part on the top. 1 > Multipart Polygon and 1 Polygon. > > The QGIS result is three separate Polygons. This behavior can be > dangerous when editing complex layers. > If furthermore attributes are being changed and aggregations happen > potential errors or unexpected results for a user are imminent. > > Other GIS produce the expected output of 1 Multipart Polygon and 1 Polygon. > > What is the specific intention behind this behavior as it seems not > quite intuitive? > > Cheers > <split_features_1.png> > <split_features_2.png> > _______________________________________________ > Qgis-user mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ QGIS-Developer mailing list [email protected] List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
