Path: utzoo!utgpu!watmath!clyde!att!pacbell!ames!pasteur!ucbvax!hplabs!hpda!hpcuhc!hpsemc!mbk
From: mbk@hpsemc.HP.COM (Miles Kehoe)
Newsgroups: comp.sys.next
Subject: Re: Re: NeXT's Tiff format
Message-ID: <14290002@hpsemc.HP.COM>
Date: 9 Jan 89 18:08:21 GMT
References: <18758@agate.BERKELEY.EDU>
Organization: HP Technology Access Center, Cupertino, CA
Lines: 21


.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