[QGIS-Developer] [Processing][Question] Using Data defined proprieties

[João Gaspar]

Hi Nyall,
Thank you for your feedback and quick fix.

Regards,
João

A quarta, 18/03/2020, 22:58, Nyall Dawson <nyall.dawson at gmail.com> escreveu:

> On Wed, 18 Mar 2020 at 02:21, João Gaspar <joao.f.r.gaspar at gmail.com>
> wrote:
> >
> > Hi Devs,
> > I have a question about using data defined proprieties in algorithms.
> For instance,
> > if I want to do a Buffer using a field with a distance column I can use
> the data defined proprieties and choose the field with distance.
> >
> > But when I want to use more than 1 layer and switch to batch processing
> where I want to define the field with distance of each layer I can't use
> this option.
> >
> > I try to use the name of the field in the option Add Values by
> Expression and Calculate by Expression but the batch processing always
> assumes a default value (10).
> >
> > In the case of SAGA and buffer algorithm, when you switch for batch
> processing is possible to choose the field of distance per layer.
> >
> > What am I'm doing wrong? Or This is expected behaviour?
>
> It's actually just an oversight. I just tested and (with a tiny code
> change) it works fine. I'll open a PR.
>
> Nyall
>
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