[PRODIG] re: Tiff saving options

[Mike Usiskin]

Hi all,

in Photoshop 7, under the tiff options when saving as a tiff, the program offers none/LZW/or Zip in terms of compression. What is the difference between None and LZW (indeed what does LZW mean)

Secondly in terms of Byte order I save it as mac (since I'm on a mac) but have been asked by a library to use IBM PC. Can anyone enlighten me as to the difference.

Finally, What is a image pyramid and can I expect to find a mummy at the bottom!!

kindest regards

TIA

Mike

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