id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc 3968,MrSID: Initialize overview manager to enable RFC 15 mask band support,bclaywell,warmerdam,"(See gdal-dev thread [http://lists.osgeo.org/pipermail/gdal-dev/2011-February/027791.html here].) The attached patch initializes the GDALDefaultOverviews manager at the end of MrSIDDataset::Open() in order to provide support for mask bands, and implements the IBuildOverviews() virtual method to print a warning that building overviews on MrSID datasets is unnecessary.",enhancement,closed,normal,1.9.0,GDAL_Raster,svn-trunk,normal,fixed,mrsid,