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02/12/2006 10:28:51 AM · #1 |
OK, I'm claiming early senility here because I know I've done this before... When I do a "duotone" in PS CS2, I change to grayscale, change to 8-bit mode, then do the duotone thing. But after all is said and done, it won't let me save in jpeg. What am I missing? (I *know* I've done this before, but I can't for the life of me remember how.)
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02/12/2006 10:30:38 AM · #2 |
| You have to re-convert the duotone to RGB mode first. |
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02/12/2006 10:33:57 AM · #3 |
| Cool. I'm sure there's a reason, software-wise, why this is, but it's beyond my current capability to fathom what that reason may be. Then again, I'm fairly certain I use less than 10% of PS's true capabilities. Still learnin'... Thanks! |
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02/12/2006 10:50:23 AM · #4 |
The "Duotone" Mode in PS is a proprietary format -- really a grayscale image with two (or more) "transfer functions" which map the grayscale data to different color values.
The JPEG format does not support this kind of data; the only formats which use it are Photoshop "native" files and EPS (Encapsulated PostScript) files. It is mainly used in offset printing applications, not in the production of photographic prints. |
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