Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!mrsvr.UUCP
From: barbiaux@mrsvr.UUCP (Bill B.)
Newsgroups: comp.graphics
Subject: Re: tiff to rasterfile or anything else
Message-ID: <1414@mrsvr.UUCP>
Date: 13 Nov 89 23:57:28 GMT
References: <4607@deimos.cis.ksu.edu>
Sender: news@mrsvr.UUCP
Lines: 20

From article <4607@deimos.cis.ksu.edu>, by brtmac@hobbes.ksu.ksu.edu (Brett McCoy):
> Has anyone successfully converted a TIF file from an HP ScanJet II scanner
> to anything else?  I have used the tif2rast program that is available on
> several different anon ftp sites, and it does create a raster file, but it
> is skewed with each line shifted one pixel to the left of the one above it.
> ...

I saw the same thing when I tried it.  What I realized (using a different
converter called tiff2sun) was that it assumed that each horizontal line
of the image was padded to the end of the word (16 bits) just like a
Sun rasterfile is, but the TIFF files I scanned on a Mac were only padded
to the next byte, thus causing the skewing.  When I corrected the code
to account for the differences in padding, it worked.  I assume something
similar is wrong with tif2rast, but I have not had the ambition to go
back and look.
--
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Bill Barbiaux                              | GE Medical Systems
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sun!sunbird!gemed!links!barbiaux           | Milwaukee, WI 53188