if a record has a valid WMS or similar 'resource link' but does not have a thumbnail provided by the metadata editor, then in the back-end, fetch an image from the service with the correct dimensions for a thumbnail and populate the record with that thumbnail.
The metadata editor can later override it manually if they wish
if a record has a valid WMS or similar 'resource link' but does not have a thumbnail provided by the metadata editor, then in the back-end, fetch an image from the service with the correct dimensions for a thumbnail and populate the record with that thumbnail.
The metadata editor can later override it manually if they wish