[Qgis-developer] [QGIS-Processing] Define optional parameters in Script

[kimaidou]

Hi

I would personaly use the second : add a new property for each input. If
not given, this means the input is mandatory, if "opt" is present, make it
optionnal.

Cheers,
Michael

2015-08-28 14:53 GMT+02:00 René-Luc Dhont <rldhont at gmail.com>:

> Hi Victor,
>
> I'm working on porting QGIS Processing to Web Processing Service, and I
> have found that all parameters in a QGIS Processing script are mandatory.
> It would be useful to power define some parameters as optional.
>
> I think that I can propose some code but I'd like to know what is your
> preferred way of defining optional parameters :
> * an header line started by 'optional' with a list of parameter name
> separated by comma
> ##optional=SEGMENTS,DISTANCE
> * an extra value at the end of the header line
> ##SEGMENTS=number 5 opt
>
> Thanks
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