[Qgis-user] Adding coordinates to layer

[Pat Brown]

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 at lists.osgeo.org>
wrote:

> Hello,
>
> Le 3 décembre 2024 00:36:20 GMT+01:00, Ludwig Kniprath via QGIS-User <
> qgis-user at 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
> >>
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