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Posterization Layer

New Here ,
Aug 01, 2020

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Hello all,

I'm watching on a tutorial abt posterization. In course, it says that if I just set the colour number to 4, there will be 16 colours in the outcome, cos the posterization have 4 values in each channel, which is understandable.(As shot 1)

Only posterization layerOnly posterization layer

To solve it, adding a black and white layer between the posterize layer and the photo will do.(Shot 2)

Add B&W layerAdd B&W layer

But I just don't know why sandwiching the b&w layer will help solve it.

 

Wally

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How to, Windows

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Posterization Layer

New Here ,
Aug 01, 2020

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Hello all,

I'm watching on a tutorial abt posterization. In course, it says that if I just set the colour number to 4, there will be 16 colours in the outcome, cos the posterization have 4 values in each channel, which is understandable.(As shot 1)

Only posterization layerOnly posterization layer

To solve it, adding a black and white layer between the posterize layer and the photo will do.(Shot 2)

Add B&W layerAdd B&W layer

But I just don't know why sandwiching the b&w layer will help solve it.

 

Wally

Topics

How to, Windows

Views

41

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Adobe Community Professional ,
Aug 01, 2020

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Hi Wally,

Continue watching. Julianne Kost explains it a little later than where you are and adds a Gradient Map for the colors (as well as a Curves Adjustment layer for the shrubs). Also note that there is a Q&A on LinkedIn Learning where the instructor answers questions.

~ Jane

F12F5086-77FC-4EE5-87EE-C774D1962129.png

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LEGEND ,
Aug 01, 2020

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»But I just don't know why sandwiching the b&w layer will help solve it.«

Solve what? What is the problem here? 

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LEGEND ,
Aug 01, 2020

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Your description seems confusing: You mention four Channels so that would rule out RGB, but the Black & White Adjustment is not available in CMYK. 

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