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Colored Channels

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  #1  
Old 01-07-2009, 03:03 PM
ekuna ekuna is offline
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Colored Channels

Hello everybody and thank you for being out there.

Does anybody know how to put colored channels as layers without turning them into black and white?

Any help appreciated.

Eka
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  #2  
Old 01-07-2009, 03:21 PM
pixelzombie pixelzombie is offline
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Re: Colored Channels

you'll have to explain further what the goal is here...
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Old 01-07-2009, 03:50 PM
Michel B Michel B is offline
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Re: Colored Channels

Something like this?

Each color component is a copy of the background in screen mode.
To extract each color, use levels and set the output levels of the remaining 2 colors to 0 - 0 instead of 0 - 255 (lower slider)
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Old 01-07-2009, 05:02 PM
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Damo77 Damo77 is offline
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Re: Colored Channels

Quote:
Originally Posted by ekuna View Post
Does anybody know how to put colored channels as layers without turning them into black and white?
Well, channels are black-and-white. You'll need to do something artificial to them to give them colour.
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Old 01-07-2009, 05:13 PM
ekuna ekuna is offline
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Re: Colored Channels

Michel B,

Thank you sooooo much! That's exactly what I wanted!
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Old 01-07-2009, 07:23 PM
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mistermonday mistermonday is offline
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Re: Colored Channels

Another method is to duplicate the desired layer 3 times. Click on one of the duplicates then open the channels Palette. Hit ctrl D to set you foreground /background colors to B/W. If you want the red layer, click on the green channel and press Alt+Backspace to fill it with Black. Same with the blue channel. If you go back to the Layer palette, that layer will now be Red. Do the same for the other duplicate layers.
By the way if you like working with colored channels instead of grayscale you can go to the Edit>Preferences window (also Ctrl+K) and check the box that says show channels in color.
Regards, Murray
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Old 01-07-2009, 08:06 PM
pixelzombie pixelzombie is offline
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Re: Colored Channels

i'm still curious what this is used for...
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Old 01-07-2009, 10:47 PM
ekuna ekuna is offline
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Re: Colored Channels

mistermonday,
Thanks a lot!

Thanks to everybody for replies.

pixelzombie,
I’m not sure if this is used for anything. I was just watching tutorial about how the channels interact and they had all channels on layers, so, I just got curious too...
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  #9  
Old 01-08-2009, 10:04 AM
Michel B Michel B is offline
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Re: Colored Channels

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Originally Posted by pixelzombie View Post
i'm still curious what this is used for...
First of all, don't assume all forum members have the full Photoshop. Elements users don't have the channel palette, but they can access them with simple tools like levels or solid color fill layers as explained by Richard Lynch in his books. You can either use the greyscale version of channels, or separate them like I showed.

An example:
You cast a look at each channel and decide the blue one is blotchy or too noisy... You might sharpen the green channel, then denoise the blue one. I think there may be an equivalent with layers to the channel palette of Photoshop, and no doubt this feature has many applications.
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