Thanks for all the feedback. I will work through all the suggestions and see which works best for me.
On Tue, 3 Dec 2024 at 08:21, DelazJ via QGIS-User <qgis-user@lists.osgeo.org> wrote: > 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 >
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