set 1-bit arcsde rasters no-data pixels to 0x00
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Key: GEOT-2412
URL: http://jira.codehaus.org/browse/GEOT-2412
Project: GeoTools
Issue Type: Task
Components: data arcsde
Affects Versions: 2.5.4
Reporter: Gabriel Roldán
Assignee: Gabriel Roldán
Fix For: 2.5.5
According to GEOS-2744, it makes more sense to set no-data pixels in 1-bit,
completely empty tiles, to 0x00 rather than 0xFF.
This is just a workaround solution though, since given the nature of no-data
handling in arcsde rasters no-data handling (using a sort of an extra bitmask
layer per band) the full solution for all raster types would be to promote data
types in order to make room for an extra value to be taken as the no-data value.
But that'd be a separate improvement issue given its complexity.
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