> Whoever comes up with an idea to directly drive his app GUI with a > library such as > GDAL should leave his desk, go fishing for as long as it takes him to come > back > with solution on his app side. > > Not sure what you mean by "drive the app GUI" here. I think the main point here is to get metadata from somewhere, and use the metadata in a GUI. That does not nessesarily mean to use the GDAL API from the GUI.
Also, why use a JSON formatted file ?
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