[pygeoapi] Process - how to return a reference?

[Ricardo Filipe Soares Garcia da]

Hi Francesco

You are correct in your investigations. Pygeoapi does not currently have
support for outputting process execution results by reference.
Unfortunately, support for version 1.0.0 of the OGC API - Processes
standard is still not 100% in pygeoapi, and the missing bits include return
result by reference.

I had opened an issue to mention this previously, see:

https://github.com/geopython/pygeoapi/issues/1285

Hopefully, this thread will help it gain a bit more traction ;)


Best regards

Francesco Martinelli via pygeoapi <pygeoapi at lists.osgeo.org> escreveu no
dia terça, 5/12/2023 à(s) 11:21:

> Hi there,
> I am new to this list, and possibly I am asking simple questions,
> but I found no info around in the web.
>
> I would like to publish a "process",
> and to allow for the result(s) to be returned as reference.
> I installed and tested pygeoapi,
> but I didn't find an example/template to request the result as reference,
> i.e. using the parameter "transmissionMode": "reference".
>
> The case I am interested in, is where the output parameter to return as
> reference is a file (i.e. a generic bytestream).
> However I also wonder if a process with
> "outputTransmission": ['value', 'reference']
> should also allow for all other output parameter types to be retrieved
> as reference.
> Also, having "outputTransmission": ['reference'] (i.e. without the
> option 'value') would conform to the standard?
>
>
> What I am looking for is:
> a basic example on the response (including the headers) that the client
> is expected to receive where an output parameter of an execute request
> has set the property "transmissionMode": "reference".
> Even better if it were possible to have a code snippet on how to make it.
>
> Also, in api.py, describe_processes(), I found the "outputTransmission"
> is fixed to only be ['value'],
> while there is no option to load the process metadata specific value
> associated to "outputTransmission".
>
> I would like to minimize (if not avoiding) the changes in pygeoapi
> framework, while allowing this option.
>
>
> Thank you for any help,
> Francesco
> _______________________________________________
> pygeoapi mailing list
> pygeoapi at lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/pygeoapi
>


-- 
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Ricardo Garcia Silva
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