Re: [gdal-dev] Lossless JPEG in GDAL

Sat, 14 Mar 2009 11:46:13 -0700

Frank,


Thanks for the idea on filing a ticket.  I will do that.  I tried another suggestion to install Jasper and see if I could load my images as lossless JPEG2000 images, however, this does not seem to work.  For the time being I think I will just write a quick converter using libjpeg, but it would be nice to have support for this in GDAL.  I don't imagine many people run into this file format, though. 


Best Regards,
Scott

Frank Warmerdam wrote:
Scott Arko wrote:
Hello,



I am wondering if there is a way to compile support for lossless JPEG into GDAL.  I have installed the libjpeg patch for lossless JPEG and recompiled/installed libjpeg.  Following this I compiled GDAL using the updated libjpeg, however, I cannot read the lossless JPEG files.  I'm not even sure this is possible, but I would appreciate any thoughts people might have.

Scott,

I have not tried this myself, but I would be interested in hearing about
any other results or findings.  You might want to file a GDAL ticket on the
issue as a focus.

Best regards, 

-- 

Scott Arko


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