[QGIS-Developer] Processing 3.0: Using expressions instead of fields and values where possible

[Anita Graser]

On Mon, Jul 24, 2017 at 10:25 AM, Alexander Bruy <alexander.bruy at gmail.com>
wrote:

> One of the improvements in Processing is support for expressions-based
> parameters. But from what I can see this new feature is not widely adopted
> in
> algorithms. For example, algorithms such as SetZValue, SetMValue and many
> others still use numeric or field parameters while using expressions
> will give them
> more flexibility, e.g. taking values from field, formulas etc.
>
> Should we rethink this and move to expressions-based parameters
> where possible now when number of adopted algorithms is relatively small?
>

​+1 now is a good time to introduce a change like this.

Regards,
Anita
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