Discussion:
Writing CCITT Fax Group 4 TIF format from Photoshop
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Xerxes
2004-09-21 12:10:36 UTC
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Dear Newsgroup,

I use Photoshop CS to edit photos primarily.
However, I prefer to use it as my editing tool for all images.
As such I sometimes scan documents and then use Photoshop to correct
blemishes, errors, dark spots, etc. with all the great tools Photoshop has.
So far no problem.
When it comes to outputting the image, as it is a black and
white document, JPG is lossy and ill-suited to this type of image. TIF is
perfect, except in the uncompressed format takes up too much space.
Photoshop CS reads all types of TIF files including raw (uncompressed),
packbits, CCITT 1D, LZW compressed, CCITT Fax Group 3, CCITT Fax Group 4,
JPEG and ZIP (deflate). However, it can only save to raw (uncompressed), LZW
and ZIP (deflate).
The freeware program IrfanView can read and write to all
formats! I would have expected my (more expensive) Photoshop to be able to
do a bit better than that especially since Adobe currently holds the
copyright to the TIFF specification (curently in Version 6).

My question is:
Can Photoshop CS wriste a TIF file in the CCITT Fax Group 4 format? If no,
are there any plugins for it that may be able to do so?


Thanks in advance,

Xerxes
Gadgets
2004-09-21 13:15:36 UTC
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Looks like it.

<http://www.google.com/search?hl=en&ie=ISO-8859-1&q=%22CCITT+Fax+Group+4%22+photoshop+plugin>

Cheers, Jason (remove ... to reply)
Video & Gaming: http://gadgetaus.com
Toby Thain
2004-09-21 22:32:56 UTC
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Dear Newsgroup, ... I would have expected my (more expensive) Photoshop to be able to
do a bit better than that especially since Adobe currently holds the
copyright to the TIFF specification (curently in Version 6).
You don't know Adobe very well, do you.
Can Photoshop CS wriste a TIF file in the CCITT Fax Group 4 format? If no,
are there any plugins for it that may be able to do so?
It's trivial to use the tools at http://libtiff.org/ to recompress
your TIFFs G4 (see, in particular, tiffcp). They've even been ported
to Windoze.

--Toby
Thanks in advance,
Xerxes
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