Hi Gail, you have to use the gdal_translate utility. It is available in the FWtools package for Linux. "gdal_translate file.ecw file.tif" will create a geotif file from your ecw. I'm supprised you find tiff faster than ecw.
Lionel Gail Long a écrit : >I have an ecw file that I want to convert to tiff. I've fooled around >with >the ermapper stuff on linux to try to directly integrate the ecw format, >but >figure that tiff will be faster albeit more disk, and it will be easier to >deal with in the long run. > >Also, if anyone has done the conversion before and know of any "gotchas" >I'd >appreciate a heads up. > >Thanks in advance. >-- >Things are only difficult while you don't understand them. > > > -- Ingénieur SIG CNERTA-ENESAD, 2 rue champs-prevois, batiment grand-champs, 21000 Dijon 03.80.77.28.49 http://www.igcs-stb.org/