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January 2006

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2006.01.04 18:15 "Reading TIFF(CMYK)", by <a.malka@comptel.pl>
2006.01.04 18:39 "Re: Reading TIFF(CMYK)", by Bob Friesenhahn
2006.01.04 18:50 "Re: Reading TIFF(CMYK)", by <a.malka@comptel.pl>
2006.01.04 19:34 "Re: Reading TIFF(CMYK)", by Bernie Pallek
2006.01.04 19:41 "Re: Reading TIFF(CMYK)", by Bob Friesenhahn
2006.01.04 19:45 "Re: Reading TIFF(CMYK)", by Kai-uwe Behrmann
2006.01.04 18:51 "Re: Reading TIFF(CMYK)", by Kai-uwe Behrmann
2006.01.04 19:44 "Re: Reading TIFF(CMYK)", by Dwight Kelly
2006.01.04 21:59 "Re: Reading TIFF(CMYK)", by Kai-uwe Behrmann
2006.01.04 22:00 "Re: Reading TIFF(CMYK)", by Dwight Kelly

2006.01.04 18:51 "Re: Reading TIFF(CMYK)", by Kai-uwe Behrmann

Am 04.01.06, 19:15 +0100 schrieb a.malka@comptel.pl:
> 
> it's possible to read only one color chanel from tiff(CMYK) let say cyan
> and save it as greyscale?
 
Yes of course. Read the image in one buffer and write each 4th sample to 
a second buffer, After saving the second buffer to whatever format (tiff?) 
you are done. 

If you ask for a ready made function in libtiff: there is none as far as I 
can tell. You must customise some code yourself. 


regards
Kai-Uwe Behrmann
                                + development for color management 
                                + imaging / panoramas
                                + email: ku.b@gmx.de
                                + http://www.behrmann.name