Filter.apply_filter never checked to ensure the non-zero masked array had elements (it now does, warns the user and returns 0), or checked if the array contribution in the band was 0 (if so there's no need to do the more expensive integration, this will now also return 0).
Issue Type
Bug
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Filter.apply_filternever checked to ensure the non-zero masked array had elements (it now does, warns the user and returns 0), or checked if the array contribution in the band was 0 (if so there's no need to do the more expensive integration, this will now also return 0).Issue Type
Checklist