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channels in a tiff file

Posted on 2001-08-23
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Last Modified: 2011-10-03
A tiff file stores multiple channels (red, green, blue) and I can view them in Photoshop quite easily.  I'm trying to find a utility I can use on the command line to separate out the channels into individual files.  Does anyone have any ideas on how I can do this?

Essentially, what I have is a whole set of tiff files where the R G and B channels are slightly misaligned by a known pixel offset.  What I need to do is find a way to break out the different channels and recompose them by correcting the offset and creating a new corrected composite image again.  The trick is to automate this process.

This is hard.  Any ideas at all will be good.
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Question by:VEngineer
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by:weed
ID: 6420341
You could do it with a Photoshop action really easily but you wanted a command line tool....which i doubt exists.
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by:VEngineer
ID: 6422131
I'd give anything if Photoshop had a command line interface.  It does everything I need it to do, just not programatically automated.

Surprisingly, I did manage to find a command line image manipulation utility called ImageMagick (http://www.imagemagick.org) that looks really slick but flat out does not work on my Windows machine.  It might run all nice in Unix and all, but the Windows binary distribution is just giving me plain wrong result.  Tried to get the source code but it was so massively large, I'm not sure I want to invest time into it.
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by:Snazzy_Graphics
ID: 6424782
Do you know that you can take a Photoshop action and make a "droplet"? That's a .exe file that runs that action.

Closest PS has come to a command line yet.

--Snazzy
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