Hallo Eckhard,
ich habe auf die Schnelle zwei Modelle gebaut mit denen man das umsetzen
kann. Version 1 ist schneller, funktioniert aber nicht bei NULL-Werten
in der Spalte.
Bei Version 2 werden zu löschenden features über eine räumliche Auswahl
gewählt, die Variante funktioniert nur mit Polygonen.
Einfach nach Benutzerverzeichnis/.qgis2/processing/modelle kopieren.
Werkzeuge sind dann unter Modelle > tabellentools verfügbar.
Wenn man für das Ergebnis "gelöscht" den Eingabelayer verwendet, wird
direkt in der Ausgangsdatei gelöscht. Das direkte Schreiben in die
Ausgangsdatei funktioniert bei Shapes unter Linux jedoch nicht unter
Windows. Unter Windows geht es jedoch z.B. mit dem Format geojson.
Ansonsten einfach zwei neue Layer erzeugen.
Viele Grüße,
Claas
--
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GKG-Kassel - Dr.-Ing. Claas Leiner
QGIS-Support und mehr
Geodatenservice, Kartenwerkstatt &
GIS-Schule Kassel
Wilhelmshöher Allee 304 E
34131 Kassel
Tel. 0561/56013445
claas.leiner at gkg-kassel.de
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