Improve mosaic management when requesting very small area where no granule data
is available
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Key: GEOT-2983
URL: http://jira.codehaus.org/browse/GEOT-2983
Project: GeoTools
Issue Type: Bug
Components: gc imagemosaic
Affects Versions: 2.6.2
Reporter: Daniele Romagnoli
Assignee: Daniele Romagnoli
When requesting a very small area (as an instance a tiny vertical stripe having
width = 1) on the edge of a mosaic, in case there isn't any granule data to be
loaded in that area, the underlying computations may result in defining a
raster bound having width (for that example) = 0. Therefore, the JAI "Constant"
operation involved in producing the background to fill the requested area may
throw an IllegalArgumentException (being the width = 0). In that case, forcing
the width of the background stripe to be at least 1 pixel wide, will fix that
behaviour.
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