Re: Scaling and conversion of TIFFs

Dan Cabirac (mailto:cabirac@INFO.UMD.EDU)
Tue, 22 Jul 1997 16:58:31 -0400

Message-Id: <199707222059.NAA13176@dns.ccit.arizona.edu>
Date:         Tue, 22 Jul 1997 16:58:31 -0400
From: Dan Cabirac <mailto:cabirac@INFO.UMD.EDU>
Subject:      Re: Scaling and conversion of TIFFs
To: mailto:IMAGELIB@LISTSERV.ARIZONA.EDU

Since you mentioned Alchemy Mindworks, I assume that you are using some
form of Windows.  For Windows machines, two powerful sets of utilities
used by many professionals are Image Alchemy and Debabelizer. These
programs have many more batch handling features than Paintshop Pro. Using
Photoshop 4.0 macro feature is an interesting idea, but it might be rather
slow.

For Unix machines, you can purchase Image Alchemy, or you could use the well known freeware programs netpbm, and Image Magick.

Image Alchemy http://www.handmadesw.com/hsi/alchemy.html

netpbm ftp://ftp.x.org/R5contrib/netpbm-1mar1994.tar.gz

Image Magick http://www.wizards.dupont.com/cristy/ImageMagick.html

Dan Cabirac

On Tue, 22 Jul 1997, Bob Rosenberg wrote:

> I have a great quantity of 8-bit TIFFs coming in (165,000 or so). I want to
> perform a batch operation that will scale them down 50% and convert them to
> JPEGs at about 20:1 or 30:1. Graphic Workshop from Alchemy Mindworks looked
> promising, but it turns them into 24-bit JPEGs and reverses the color (turns
> them into negatives), and several weeks of seeking a response from them has
> been fruitless.
> I welcome suggestions for software.
>
> --Bob Rosenberg
>
>
> Robert Rosenberg * Voice: (732) 932 8511
> Thomas A. Edison Papers * Fax: (732) 932 7554
> Rutgers University * Email: mailto:rarosenb@rci.rutgers.edu
> New Brunswick, NJ 08903 * WWW: http://edison.rutgers.edu
>