Hi Christoph, You can use an QgsExpression [1] to filter features from that layer.
expr = QgsExpression( " ... " ) layer.getFeatures( QgsFeatureRequest( expr ) ) Regards, Jorge Gustavo [1] https://qgis.org/pyqgis/3.2/core/Expression/QgsExpression.html On 09/04/20 12:37, Christoph Jung wrote: > Hello everyone, > > I have a question concerning PyQGIS. Imagine there is a point layer accessed > via QgsVectorLayer, i.e. no matter which data source it is. Is it possible to > query this layer to get the point object with the highest/lowest x-value in > its geometry (similar to max-/min-aggregate functions in SQL)? Or do I have > to iterate over all objects and compare the values by my own? > > Sincerely, > Christoph > _______________________________________________ > Qgis-user mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user -- Email Signature Logo <https://www.geomaster.pt> *Geomaster* *Jorge Gustavo Rocha* | Software Engineer *e:*[email protected] | *m:*+351 910 333 888 *g:*41.54094,-8.40490 | *v: *510 906 109 *a: * Rua António Cândido Pinto, 67, 4715-400 Braga
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