The recently released 4.1 SDK update now supports an alpha channel for ECW. This is used to get around the speckle problem. -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/gdal-dev-ecw-speckling-in-no-data-area-tp5465609p5477914.html Sent from the GDAL - Dev mailing list archive at Nabble.com.