Hi,
I am having exactly the same problem, I wondered if you have made any
progress. It sounds as though I have followed the same steps as yourself.
I have found that if I open in QGIS a geotiff with noData = 0 and an alpha
channel added as band 4, that nodata pixels are transparent. If I import
GeoServer Build:
Version 2.1.4
Subversion Revision 17150
Build Date 01-Jun-2012 17:02
GeoTools Version 2.7.5 (rev 38793)
I have a multiband GeoTIFF that I want to display in WMS output images but
with transparency in place of "NoData" or a given value (I can change NoData
to a nume