This is Re:-NeXTs-Tiff-format in view mode; [Up]
Date: Sun 09-Jan-1989 18:08:21 From: Unknown Subject: Re: Re: NeXT's Tiff format .TIFF files used for Webster use a special compression scheme. .(This was done to reduce the space requirements of the hundreds .of pictures.) Thus TIFF programs on other machines will not .be able to read the Webster pictures. .Ali Ozer, NeXT Developer Support Ali, is the compression scheme other than one of those described in the TIFF spec? As i recall, the spec describes 4 possible values for tag 0x103: 1, No compression. 2, CCITT modified Huffman run length encoding. 5, LZW compression. 32773,'packbits' a la mac. Are you using another packing algorithm?? Is it documented for public consumption? Thanks, Miles Kehoe >From: malcolm@Apple.COM (Malcolm Slaney)
Date: Sun 12-Jan-1989 15:04:42 From: Unknown Subject: Re: Re: NeXT's Tiff format In article <14290002@hpsemc.HP.COM> mbk@hpsemc.HP.COM (Miles Kehoe) writes: >Ali, is the compression scheme other than one of those described >in the TIFF spec? As i recall, the spec describes 4 possible >values for tag 0x103: 1, No compression. 2, CCITT modified >Huffman run length encoding. 5, LZW compression. 32773,'packbits' >a la mac. The compression scheme is different than any described in the TIFF specs; it's one that worked best for Webster pictures. It's not documented with the 0.8 documentation. Ali Ozer, NeXT Developer Support aozer@NeXT.com >From: dorner@pequod.cso.uiuc.edu (Steve Dorner)
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