[Qgis-user] Query or export related layers

[damien stephens]

Hi Jonas.
I think it is pretty re ent, but newer version of qgis allow this
inherently.
Iam using version 2.14.2 and have a shape file linked to an excel
spreadsheet (using spreadsheet layers plugin to bring in the excel doc) via
an id field.
I can then just use the linked fields exactly the same way as normal fields
in the select by expression tool in the attribute window.
I can also categorise the styles by the joined fields.
Hope that helps.
Damien

On Tue, 31 May 2016, 9:46 PM Jonas Dillen <jonas.dillen at natuurpunt.be>
wrote:

> Hello,
>
> I have related a vector shapefile (polygon) with a larger data-set from a
> CSV-file, based on a common ID-field.
> Whit the object-identification tool, I can now consult all matching
> records from each individual polygon. So far so good.
>
> I would like to query this joined data-set in Qgis, so I can visualise the
> query-results.
> Querying in the original excel would be conveniënt, but doesn't allow
> map-visualisation of the results.
>
> A possible solution would be to export the related data as a new shapefile.
> Additional polygons would have to be created for the complementary
> csv-records.
> I can't manage to do that either.
>
> Is there another way/plugin to handle this situation?
>
> Greetings
>
> Jonas
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