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I have a hard time figuring out if it is possible for a user to generate on the fly (via a javascript/openlayers app) a WPS request to geoserver and that the output is rendered as a WMS image? So lets say the user selects 2 raster layers, a WPS request is POSTed to perform a specific transformation of the data, and then the output of this transformation is rendered back to the user's app via a WMS image. Thanks for your help, I have a hard time finding any info on that regard!

JulienRobitaille
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    That's no problem, what's not working for you? What have you tried so far? – Ian Turton Feb 24 '22 at 17:51
  • Well, in fact, I read a post that was basically what I wanted to do and that you have already answered, but only was working partially ( https://stackoverflow.com/questions/50387677/displayer-raster-result-from-geoserver-wps-in-openlayers4 ). Following the link you shared (https://docs.geoserver.geo-solutions.it/edu/en/wps/chaining_processes.html), it seems possible to build a WPS request and use the gs:Import process to create a layer (which then can be fetch with a WMS request), but it seems that the inputs feeding this gc:import are "static". – JulienRobitaille Feb 24 '22 at 19:54
  • Is there a way to use this gc:import process to genererate on the fly a in-memory layer that will be used by the webapp user? Otherwise, since the original post you answered before is quite old, do you know if there is now a way to use WPS geotiff response within a fetch request as a openlayers raster layer? – JulienRobitaille Feb 24 '22 at 20:51

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