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saturation mask and Glow , do you know how do it ?

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  #1  
Old 10-23-2010, 12:14 PM
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mantra mantra is offline
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Question saturation mask and Glow , do you know how do it ?

Hi


i'm reading some tutorials

about saturation mask


http://goodlight.us/writing/saturati...satmask-1.html

and grow effect
http://www.goodlight.us/writing/make...eitglow-1.html

but honestly i did not understand ,lack of english , that's poor
and google translator doesn't help very much , honestly very often sucks


do you know how do it ?
maybe may someone add an action , so i can load and study it


thanks
cheers
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Old 10-23-2010, 02:11 PM
creativeretouch creativeretouch is offline
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Re: saturation mask and Glow , do you know how do

Hi Mantra,

those pages are just sample pages of an e-book. If you will donate you will get it by email.
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Old 10-23-2010, 02:29 PM
ShadowLight ShadowLight is offline
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Re: saturation mask and Glow , do you know how do

try here:
http://www.thelightsrightstudio.com/...rationMask.htm
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Old 10-23-2010, 02:51 PM
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mistermonday mistermonday is offline
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Re: saturation mask and Glow , do you know how do

You can make a Saturation mask in just a few seconds by doing the following:
- Above your background, add a Gradient Map Adjustment layer; Choose the standard default white / black gradient.
- Change the blend mode of that layer to Difference
- Select All and Ctrl+Shift+C (Copy merged) and go to the Channel Palette, create a new channel and paste into that channel. That alpha channel is now your saturation map.
- Delete the gradiant map adj layer.
Regards, Murray
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Old 10-23-2010, 03:07 PM
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Der_W Der_W is offline
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Re: saturation mask and Glow , do you know how do

Quote:
Originally Posted by mistermonday View Post
You can make a Saturation mask in just a few seconds by doing the following:
- Above your background, add a Gradient Map Adjustment layer; Choose the standard default white / black gradient.
- Change the blend mode of that layer to Difference
- Select All and Ctrl+Shift+C (Copy merged) and go to the Channel Palette, create a new channel and paste into that channel. That alpha channel is now your saturation map.
- Delete the gradiant map adj layer.
Regards, Murray
I wouldn't recommend this one because it isn't very accurate (try setting the gradient map to "Luminosity". Everything that changes now, will be recorded in your future mask although it has little to nothing to do with saturation.).

My preferred way is to use a new Selective Color adj. layer (method: Absolute, blending mode: Normal), decrease the "Black" in all the colors to -100%, increase the black of all the non-colors (Whites, Neutrals, Blacks) to +100%.
It's the same as using RGB_MAX-RGB_MIN which is what most people would call chroma (saturation in dependence on the lightness -> no 100% saturated blacks etc.).
The advantage of this is, that it's quite dynamic, so you can have a live preview on how the saturation changes while you're working.

I attached a preset for the Selective Color in case my description confused you ;-).

Edit: Of course there are many ways to skin a cat, that's why I said, that this is just my preferred way. Others might have theirs and that is just fine :-).
Attached Files
File Type: zip Saturation.zip (141 Bytes, 112 views)

Last edited by Der_W; 10-23-2010 at 03:13 PM.
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Old 10-23-2010, 07:33 PM
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Aladdin Aladdin is offline
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Re: saturation mask and Glow , do you know how do

@Der_W: I did it, it looks scary glow B/W, really really scary, what gives? I even loaded your preset, same result. Looks like some other steps are required, did I jump in the middle of steps?
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Old 10-24-2010, 02:06 AM
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mantra mantra is offline
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Re: saturation mask and Glow , do you know how do

Quote:
Originally Posted by creativeretouch View Post
Hi Mantra,

those pages are just sample pages of an e-book. If you will donate you will get it by email.
yes i know thanks
but the eboot is hard to understand like the tutorial
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Old 10-24-2010, 02:10 AM
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mantra mantra is offline
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Re: saturation mask and Glow , do you know how do

Quote:
Originally Posted by mistermonday View Post
You can make a Saturation mask in just a few seconds by doing the following:
- Above your background, add a Gradient Map Adjustment layer; Choose the standard default white / black gradient.
- Change the blend mode of that layer to Difference
- Select All and Ctrl+Shift+C (Copy merged) and go to the Channel Palette, create a new channel and paste into that channel. That alpha channel is now your saturation map.
- Delete the gradiant map adj layer.
Regards, Murray
thanks a lot
but i don't think it's a real luminosity saturation mask
because with hue/saturation i get quickly the colors clipping

Quote:
Originally Posted by Der_W View Post
I wouldn't recommend this one because it isn't very accurate (try setting the gradient map to "Luminosity". Everything that changes now, will be recorded in your future mask although it has little to nothing to do with saturation.).

My preferred way is to use a new Selective Color adj. layer (method: Absolute, blending mode: Normal), decrease the "Black" in all the colors to -100%, increase the black of all the non-colors (Whites, Neutrals, Blacks) to +100%.
It's the same as using RGB_MAX-RGB_MIN which is what most people would call chroma (saturation in dependence on the lightness -> no 100% saturated blacks etc.).
The advantage of this is, that it's quite dynamic, so you can have a live preview on how the saturation changes while you're working.

I attached a preset for the Selective Color in case my description confused you ;-).

Edit: Of course there are many ways to skin a cat, that's why I said, that this is just my preferred way. Others might have theirs and that is just fine :-).
thanks!

should i add this step too ?
Quote:
- Select All and Ctrl+Shift+C (Copy merged) and go to the Channel Palette, create a new channel and paste into that channel. That alpha channel is now your saturation map.
the colors with this mask clips too



but does somebody know how do the glow effect like the tutorial?

the saturation mask should be a tool like vibrance , shouldn't?


thanks to all
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  #9  
Old 10-24-2010, 02:11 AM
creativeretouch creativeretouch is offline
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Re: saturation mask and Glow , do you know how do

Try to go through Luminosity Masks first and than return back.
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Old 10-24-2010, 04:25 AM
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Der_W Der_W is offline
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Re: saturation mask and Glow , do you know how do

The effect should be a scary looking b/w indeed ;-).
The brighter the image is, the more saturated the areas are (and vice versa).
To get a mask from this, just load the selections of any of the three individual channels (e.g. the red channel using [Ctrl]+[Alt]+[3]) and discard the Selective Color layer.
Now the selection contains all the saturated areas :-).
(As I said, the mask is dynamical, that's why you see it on the fly and it'll change on the fly. Try adding a Hue/Saturation adj. layer underneath and increase/decrease the saturation.)

@mantra: You could also use the copy merged function, but this will give you a slightly darker (I guess gamma corrected) version of the mask. It doesn't really matter but my preference is to work with the brighter mask for starters :-).

Edit: As for the glow effect (yesterday the page just wouldn't load), you could use the same saturation mask you just asked for.
Select the areas with little saturation (in my case inverse the selection) and add a new Hue/Saturation adj. layer set to "Color" mode.
Now increase the saturation to about +45.

Edit #2: If you want me to, I'll do a short video tutorial about this technique :-).

Last edited by Der_W; 10-24-2010 at 04:38 AM.
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