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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