[Qgis-user] Correct the attribute table automatically

[Josefine Petrenz]

Great!! The virtual fields are the solution.
Thank you!!

2016-02-10 11:50 GMT+01:00 Bernd Vogelgesang <bernd.vogelgesang at gmx.de>:

> Ahhh,
> now I finally got what those virtual fields are good for! Great!
> The non-noob way of achieving this so far was e.g. to use a SpatiaLite db
> and create triggers there. See http://gis.stackexchange.com/a/86470
> This would then be a permanent solution.
>
> Cheers
> Bernd
>
> Am 10.02.2016, 10:53 Uhr, schrieb Piotr Kania <p.kania at op.pl>:
>
> Here it's nice info:
> http://www.northrivergeographic.com/archives/qgis-2-6-virtual-fields
>
> W dniu 2016-02-10 o 10:18, Josefine Petrenz pisze:
>
> hej hej,
>
> at first, I would like to apologize for my english.
>
> I have a shape-file with several areas. In my attribut table, each area
> has an information about the area size.
> Step by step the areas become bigger or smaller. Every time, when this
> happened, i have to recalculate the area size.  is there a way, that the
> area size correct automatically in the attribute table, when i change the
> area?
>
> thanks in advance
> josi
>
>
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