[QGIS-Developer] Signal/slots in Processing scripts/algorithms

matteo matteo.ghetta at gmail.com
Sun Jul 22 23:25:31 PDT 2018


Hi Nyall,

> Not really - Processing doesn't currently have any support for
> dependencies amongst parameters. You could maybe hack around this by
> directly accessing widgets, but that wouldn't be version safe and
> would be quite fragile.

I imagined it wouldn't be safe

> The "canonical" way to handle this currently is to throw an error when
> the algorithm is executed if the combination of parameters does not
> make sense.

got it!

Many thanks for the hints

Cheers

Matteo


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