Hello, Le 3 décembre 2024 00:36:20 GMT+01:00, Ludwig Kniprath via QGIS-User <qgis-user@lists.osgeo.org> a écrit : >Hi Pat, > > >Step 1 (already done): import csv as "Delimited Text Layer". Since there are >no coordinates this results in a geometry-less layer. > >Step 2: export and load the just imported csv as vector-layer (GeoPackage, >Shape), geometry-type "Point", desired projection. This results in a >Point-Layer with the same features and attributes as the csv but still without >valid geometries. > >Step 3: Update the empty geometries with valid points. Sadly there is a lack >in QGis, edit existing geometries => OK, creating new features with geometries >=> OK, update geometries in geometry-less features => not supported >out-of-the-box. > Actually QGIS supports this with the "Add part" tool from the Advanced digitizing toolbar. Just select feature in table and digitize. Worth reading <https://docs.qgis.org/3.34/en/docs/user_manual/working_with_vector/editing_geometry_attributes.html#add-part>
Regards, Harrissou >So I (not Anthropic Claude 😉) wrote a script, attached as python file. > >Operating instructions: > >1: Load script into python console > >2: activate the exported vector-layer from step 2 > >3. run the script > >4. open attribute-table > >5. select the desired feature in table > >6. digitize the point-geometry for the selected feature by click on map > >7. repeat steps 5 and 6 as often as you like > >8. stop and save edits > >Afterwards the features have valid geometries and can be edited with QGis >on-board tools > >Note: > >The script does not write coordinates to the attribute-table but creates >point-geometries. You can afterwards extract x- and y-coordinates into >according fields by QGis-Field-Calculator. > >hth > >Ludwig > >Am 02.12.24 um 14:08 schrieb Pat Brown via QGIS-User: >> Hi >> I have a csv file with data about various mines. It includes descriptions >> of locality but no coordinates. I have added this file to qgis and created >> a shapefile. I now want to add the coordinates of each mine by searching for >> its locality on a basemap in qgis then clicking on the map to add the >> coordinates to the shapefile attribute table. Is this possible or do I have >> to search for each location on Google Earth, for example, then write out the >> coordinates and add them to the attribute table manually? >> >> Thanks >> >> Paddy >> >> _______________________________________________ >> QGIS-User mailing list >> QGIS-User@lists.osgeo.org >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ QGIS-User mailing list QGIS-User@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
