[Zoo-discuss] Handling reference input files for processing Zoo-kernel

[rakesh prithiviraj]

Hi,
After reading OGC WPS spec 2.0.0, I tend to believe that it is the responsibility of the WPS server/ZOO-kernel to fetch the inputs specified in the WPS execute request. This means for inputs passed by reference, ZOO-Kernel will download the input and will provide it to processor. Is this true or is the processor responsible for fetching the inputs (specified by the URL)?
In the Orfeo toolbox example from ZOO project website, the execution request refers to TIF file from http://hg.orfeo-toolbox.org/OTB-Data/raw-file/ca154074b282/Examples/verySmallFSATSW.tif. Does BandMath is responsible for retrieving this input or does zoo-kernel retrieves this input and updates the path of the input in "inputs" parameter passed to the processor. (e.g. hashmap inputs for Java)?
http://localhost/cgi-bin/zoo_loader.cgi?request=Execute&service=WPS&version=1.0.0&Identifier=OTB.BandMath&DataInputs=il=Reference@xlink:href=http://hg.orfeo-toolbox.org/OTB-Data/raw-file/ca154074b282/Examples/verySmallFSATSW.tif;il=Reference@xlink:href=http://hg.orfeo-toolbox.org/OTB-Data/raw-file/ca154074b282/Examples/verySmallFSATSW_nir.tif;out=float;exp=im1b3*cos%28im1b1%29,im1b2*cos%28im1b1%29,im1b1*cos%28im1b1%29&RawDataOutput=out@mimeType=image/png
 
Please advise.
Thanks,Rakesh
 		 	   		  
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