[GRASS-user] Viewing ecw files

Maciej Sieczka tutey at o2.pl
Thu Feb 15 14:55:48 EST 2007

nicholas.g.lawrence at mainroads.qld.gov.au wrote:
>> It would be really nice if GRASS had a wavelet based scheme for imagery,
>> but that would require significant development and many of us don't have
>> the spare time available.  At the moment, Hamish's suggestion is about
>> the best that can be done.  GRASS cannot handle such large datasets with
>> efficiency.
>> ECW is a wonderful format.  It is hard to beat the compression and speed
>> of scale change.
> Isn't Ogg Theora working on wavelet compression for imagery?

Do you mean Tarkin? That's wavelet compression for video. Is it usable
for still images too?


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