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D&B Curves vs. 50 % Fill Gray Layer ???

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  #1  
Old 02-16-2008, 08:11 AM
BigBlaze BigBlaze is offline
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Curves questions: D&B vs. 50 % Gray, actions, etc.

- What is the difference between using a Light/Dark curve vs. using a Layer fill with 50 % gray in soft light mode ?

- Is using multiple curves adjustment layers better than using 50% gray layers for high end retouching?

- Using the curve, I have to build a set of 4 layers: light curve, dark curve, high contrast curve and hue/saturation layer for desaturation. How do you save this set ? Do you create a action ?

- How do you toggle between layers fast ? Do you know a keyboard shortcut ?

Thank you,

http://www.jeannichols.com/

Last edited by DannyRaphael; 02-16-2008 at 08:50 AM. Reason: divide multiple questions into separate threads
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Old 02-16-2008, 08:46 AM
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DannyRaphael DannyRaphael is offline
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Re: D&B Curves vs. 50 % Fill Gray Layer ???

First of all welcome. I see you joined RP awhile back and this is your first post. Congratulations on taking that step!

I divided your original questions into different threads (blend modes, WACOM setup and these questions) to increase the likelihood of getting replies. It's usually a better tactic to have multiple threads vs. one with several more-or-less unrelated questions.

For easy addition of multiple adjustment layers, recording an action to do this is an excellent idea.

Keyboard shortcuts for switching between layers:
* alt + ] to move focus to next layer up
* alt + [ to move focus to next layer down

This should get the ball rolling on other replies.
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Old 02-16-2008, 08:57 AM
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DannyRaphael DannyRaphael is offline
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Re: D&B Curves vs. 50 % Fill Gray Layer ???

I meant to add...

I personally prefer multiple adjustment layers over a layer filled with 50% grey then painting (airbrush setting) with white or black. For me it is easier to control the outcome, plus adjustment layers do not add to the file size of the image.
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Old 02-16-2008, 09:14 AM
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cricket1961 cricket1961 is offline
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Re: D&B Curves vs. 50 % Fill Gray Layer ???

Hello BigBlaze

Check out my blog. I have a post on this subject.

http://www.retouchpro.com/forums/blogs/cricket1961/

Chris
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Old 02-16-2008, 09:24 AM
BigBlaze BigBlaze is offline
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Re: D&B Curves vs. 50 % Fill Gray Layer ???

Dear Chris,

When talking about soft light you mean the blending mode of the layer ?

Thank you,

BigBlaze
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Old 02-16-2008, 10:10 AM
KR1156 KR1156 is offline
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Re: D&B Curves vs. 50 % Fill Gray Layer ???

option > ] works great to toggle between layeres if you're a lefty.

-anyone have a custom key command set up to switch between layeres, i think Markzebra mentioned somethign about that in the past....mark if you're reading can you help with that or if anyone else has any input.

i had hotkeys at my old job, but not at home.
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Old 02-16-2008, 10:46 AM
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Re: D&B Curves vs. 50 % Fill Gray Layer ???

BigBlaze

Yes I do mean the blending mode of the layer.

Chris
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Old 02-16-2008, 02:04 PM
BigBlaze BigBlaze is offline
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Re: D&B Curves vs. 50 % Fill Gray Layer ???

Chris, If I get that right, you do your D+B on a SoftLight layer fill with 50% grey ? You don't use the curve Light/Dark ?

Thank you for your patience, french is my primary language.

BigBlaze
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Old 02-16-2008, 03:27 PM
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shellby shellby is offline
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Re: D&B Curves vs. 50 % Fill Gray Layer ???

Hello

When I work from home I use 50% grey layer to do skin

When I go into studios in London most of them request that I use the curves method as this is more widely known and used here in the UK.
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Old 02-17-2008, 09:58 AM
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Re: D&B Curves vs. 50 % Fill Gray Layer ???

[Philosophy]
When qualified people give you multiple answers to the same question, it's probably because there isn't just one correct answer
[/Philosophy]

shelby summed it up...
Quote:
Originally Posted by shellby View Post
..When I work from home I use 50% grey layer to do skin

When I go into studios in London most of them request that I use the curves method as this is more widely known and used here in the UK.
..another thing....

Quote:
Originally Posted by DannyRaphael View Post
....plus adjustment layers do not add to the file size of the image.
Danny, that's almost true....
A simple adjustment layer will not have any significant size overhead. But in this case we will be painting on the mask. Thus, we will be generating a channel for this information. Photoshop will try to optimize this channel, a few localized strokes will not generate a full image, but adjustmente over the whole image will fill up a channel.
If you use two adjustment layers then you will be generating two channels, compared with the 50% grey (in RGB mode) will have three channels.

Now to reply to the original question
Quote:
Originally Posted by Chris' Blog
But I have yet to come up with one good reason not to use the fill.
Maybe not exactly good, but.....
A soft-light blend will never affect pure white or pure black, and even if it isn't pure you're going to need a lot more D&B. Maybe you're lucky to only get good images to retouch where such extremes don't happen.

In general, I stick with two levels layers with no changes on the black/white point, just fixing the appropriate output level to 50% - although I will agree that, by doing this I must forfeit the highlight/midtone/shadow control of the D&B tools.

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