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October 2008
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2008.10.22 23:16 "Re: JPEGSetupEncode messages", by Frank Warmerdam
Jeffrey Ratcliffe wrote: > I have tiff output from a scanner with which I would like use > libtiff's jpeg compression via tiffcp. For a greyscale scan, however, > I am getting: > > JPEGSetupEncode: RowsPerStrip must be multiple of 8 for JPEG Jeff, I would suggest selecting a RowsPerStrip value that is a multiple of 8. > and for colour scans: > > JPEGSetupEncode: BitsPerSample 16 not allowed for JPEG > > What can I do to make this work? It is quite challenging to manage 16bit data with JPEG compression. How badly do you want to do this? Best regards, -- ---------------------------------------+-------------------------------------- I set the clouds in motion - turn up | Frank Warmerdam, warmerdam@pobox.com light and sound - activate the windows | http://pobox.com/~warmerdam and watch the world go round - Rush | Geospatial Programmer for Rent