I found out that this issue will not happen when advanced projection handling
is enabled because the GridCoverageRenderer method that is used in that path
will always crop its final image. I was only able to reproduce this in a
unit test by adding a @BeforeClass method with:
System.setProperty("ENABLE_ADVANCED_PROJECTION", "false");
Changing imageBounds to imageBounds.intersection(mapRasterArea) in the
Mosaic ROI does appear to fix this particular issue.
Steve Ikeoka
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