ImageMosaic might choose the wrong overview in case of reprojection
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Key: GEOT-3950
URL: https://jira.codehaus.org/browse/GEOT-3950
Project: GeoTools
Issue Type: Bug
Reporter: Andrea Aime
Assignee: Andrea Aime
When the target grid geometry is in a CRS other than the native and the request
intersects only in small part the area of the mosaic the code might end up
picking a overview that is much more fine grained than what we need, which
ironically enough generates a output image with lower quality due to the fact
affine transforms, regardless of the interpolation, induce a pixel subsampling
the higher the bigger is the scale down factor involved (since the
interpolation uses at most a neighborhood of 5 pixels, whilst the scale factor
can be 10 or more)
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