On Wed, 12 Jun 2019 at 10:09, Ivan Ivanov <[email protected]> wrote: > > I fixed it. Sorry for the inconvenience: > > layer1 = QgsVectorLayer('Polygon?crs=epsg:32612', 'layer2', 'memory') > layer2 = QgsVectorLayer('Polygon?crs=epsg:32612', 'layer1', 'memory') > > print(layer1.source()) > print(layer2.source()) > layer1.setDataSource(layer2.source(), layer2.name(), > layer2.dataProvider().name()) > print(layer1.source())
I agree that the results of this output look odd - but what exactly are you trying to achieve here? Nyall > > On Wed, 12 Jun 2019 at 00:28, Nyall Dawson <[email protected]> wrote: >> >> On Tue, 11 Jun 2019 at 15:06, Ivan Ivanov <[email protected]> wrote: >> > >> > Hello, >> > >> > >> > Can you give me some idea why I'm getting two uids in the layer's source? >> > And also how I can fix this because now the layer just disappears from the >> > map canvas. (all layers are isValid() = True) >> > >> > oldLayer.source() >> > # >> > MultiLineString?crs=EPSG:32737&field=fid:integer(0,0)&uid={6cd1f176-9c05-4d2a-961a-3143a8fa422b} >> > >> > newLayer = processing.run('save:selectedfeatures', { >> > 'INPUT': oldLayer, >> > 'OUTPUT': 'memory:newLayer' >> > ) >> > >> > oldLayer.setDataSource(newLayer.source(), oldLayer.name(), >> > newLayer.dataProvider().name()) >> > >> > newLayer.source() >> > # >> > MultiLineString?crs=EPSG:32737&field=fid:integer(0,0)&uid={d36aff88-4248-4ffb-be2f-2ac1891ac26d} >> > oldLayer.source() >> > >> > # WRONG, I would expect the same as above. Also, the uid is completely new. >> > # >> > MultiLineString?crs=EPSG:32737&field=fid:integer(0,0)&uid={d36aff88-4248-4ffb-be2f-2ac1891ac26d}&uid={3422de07-cf38-4249-af55-23c7d9779daf} >> >> Hi Ivan, >> >> Your code seems incomplete and has some syntax errors -- maybe it >> wasn't copied correctly? Can you repost please? >> >> Nyall _______________________________________________ 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
