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DPChallenge Forums >> Hardware and Software >> Photoshop functions greyed out?
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07/16/2008 01:58:25 PM · #1
Can anyone tell me why certain functions are greyed out in Photoshop and therefore not available for use? For example under filters, the following are greyed out : artistic, brush strokes, pixelate, sketch and under render, lighting effects is also greyed out.

I am working in a 16 bit tiff file. I have tried making selections etc, but no luck.
07/16/2008 01:59:51 PM · #2
From what I remember it is because those filters cannot operate on a 16 bit file, therefore you need to convert to 8bit prior to using those filters. Wait for this to be confirmed before you do anything unrecoverable though.
07/16/2008 02:01:52 PM · #3
I read in a Scott Kelby photo book that when you work in 16 bit some of the functions will unusable therefore they are greyed out. I found that out when I tried playing around in 16 bit. Can't remember the exact reason just that you will lose some functionality.
07/16/2008 02:02:57 PM · #4
' . substr('//www.dpchallenge.com/images/user_icon/21.gif', strrpos('//www.dpchallenge.com/images/user_icon/21.gif', '/') + 1) . ' togtog you're a star! I know you advised me to wait, but I'm only working on a practice file anyway, to find my way around Photoshop. I converted to 8 bit and all the greyed out options are now available. Thank you!
07/16/2008 02:06:09 PM · #5
Thank you too ' . substr('//www.dpchallenge.com/images/user_icon/21_F.gif', strrpos('//www.dpchallenge.com/images/user_icon/21_F.gif', '/') + 1) . ' beckyt. Who needs 'Photoshop Help' when we have DPC members like this!
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