Photoshop CS4: Image Adjustments in Depth
Illustration by John Hersey

Photoshop CS4: Image Adjustments in Depth

with Jan Kabili

Video: Clipping adjustment layers

By default an adjustment layer affects all of the visible layers beneath it in the layers stack. If you want to limit the effect of an adjustment layer to just one other layer, you can clip the adjustment layer to that layer. This maneuver is a lot easier in Photoshop CS4 than it was in previous versions of the program, thanks to the new clipping icon in the Adjustments panel. I am working here on a file that has four layers. To show you what's on each layer, I'm going to hold down the Option key on the Mac or the Alt key on the PC as I click on the eye icon next to each layer in turn. Now you are looking at just the content of the image layer, which is this photo of a model against a white background. I'll Option- click or Alt-click on the eye icon spot next to the dot graphic layer and you can see that it contains just this dotted red line in the shape of a flower on a transparent background that's represented by these gray and white pixels.
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  1. 5m 39s
    1. Welcome
      1m 18s
    2. Using the exercise files
      59s
    3. Setting up a workspace
      3m 22s
  2. 21m 2s
    1. Creating and editing adjustment layers
      6m 38s
    2. Adjustment layers vs. direct adjustments
      6m 9s
    3. Using the new Adjustments panel
      5m 38s
    4. Reusing adjustment layers
      2m 37s
  3. 39m 57s
    1. Clipping adjustment layers
      4m 36s
    2. Including adjustment layers in a layer group
      3m 13s
    3. Including adjustment layers in a Smart Object
      7m 29s
    4. Using the adjustment layer mask
      5m 43s
    5. Using selections with adjustment layers
      4m 19s
    6. Using the Masks panel with adjustment layers
      8m 30s
    7. Using the Blend If sliders with adjustment layers
      6m 7s
  4. 49m 43s
    1. Reading the Histogram panel
      5m 23s
    2. Using the Levels adjustment for tonal corrections
      7m 42s
    3. Using the Curves adjustment for exposure
      8m 12s
    4. Using the Curves adjustment for contrast
      4m 14s
    5. Making On-Click Curves adjustments
      4m 0s
    6. Applying Shadow/Highlight nondestructively
      7m 59s
    7. Reviewing Brightness/Contrast
      3m 18s
    8. Dealing with exposure
      2m 22s
    9. Using adjustment layers with blend modes
      6m 33s
  5. 54m 36s
    1. Making Vibrance adjustments
      2m 22s
    2. Using Hue/Saturation adjustments
      7m 4s
    3. Understanding color correction
      3m 21s
    4. Using color samplers and the Info panel
      4m 25s
    5. Using Levels eyedroppers for color correction
      5m 54s
    6. Using Levels channels for color correction
      5m 7s
    7. Understanding Curves adjustments for color correction
      7m 21s
    8. Making Color Balance adjustments
      3m 49s
    9. Making Photo Filter adjustments
      3m 6s
    10. Making Variations adjustments
      6m 48s
    11. Using the auto-correction features
      5m 19s
  6. 13m 5s
    1. Using the Dodge and Burn tools
      4m 56s
    2. Dodging and burning nondestructively
      6m 38s
    3. Working with the Red-Eye tool
      1m 31s
  7. 16m 9s
    1. Applying Black & White adjustments
      7m 30s
    2. Making Channel Mixer adjustments
      6m 31s
    3. Understanding the Threshold adjustment
      2m 8s
  8. 25m 24s
    1. Colorizing with Hue/Saturation adjustments
      3m 9s
    2. Tinting with Black & White adjustments
      2m 8s
    3. Making a Gradient Map adjustment
      4m 18s
    4. Applying a Selective Color adjustment
      1m 49s
    5. Using the Replace Color adjustment
      4m 40s
    6. Making Match Color adjustments
      4m 24s
    7. Applying the Equalize adjustment
      4m 56s
  9. 44s
    1. Goodbye
      44s

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Watch the Online Video Course Photoshop CS4: Image Adjustments in Depth
3h 46m Intermediate Jun 10, 2009

Viewers: in countries Watching now:

Photoshop CS4's adjustment features offer unparalleled opportunities to correct and manipulate images. In Photoshop CS4: Image Adjustments in Depth, Jan Kabili explains how to use all the major Photoshop adjustment features. She shares the best techniques for adjusting image quality, and shows how to use the new Adjustments panel to streamline a photo correction workflow. Jan also demonstrates multiple ways to eliminate color casts, and explains how to use the new On-Image Curves control to adjust brightness and color. This course offers a detailed look at the techniques photographers and designers use to master image adjustments in Photoshop. Exercise files accompany the course.

Topics include:
  • Using adjustment layers in a non-destructive image-editing workflow
  • Correcting color with curves
  • Adjusting brightness and contrast with levels
  • Dodging and burning photographs
  • Reading histograms accurately
  • Converting color images to grayscale with a Black & White adjustment layer
  • Customizing auto-corrections for more accurate quick adjustments
Subjects:
Design Photography
Software:
Photoshop
Author:
Jan Kabili

Clipping adjustment layers

By default an adjustment layer affects all of the visible layers beneath it in the layers stack. If you want to limit the effect of an adjustment layer to just one other layer, you can clip the adjustment layer to that layer. This maneuver is a lot easier in Photoshop CS4 than it was in previous versions of the program, thanks to the new clipping icon in the Adjustments panel. I am working here on a file that has four layers. To show you what's on each layer, I'm going to hold down the Option key on the Mac or the Alt key on the PC as I click on the eye icon next to each layer in turn. Now you are looking at just the content of the image layer, which is this photo of a model against a white background. I'll Option- click or Alt-click on the eye icon spot next to the dot graphic layer and you can see that it contains just this dotted red line in the shape of a flower on a transparent background that's represented by these gray and white pixels.

I will Option-click or Alt-click on the love graphic layer and you can see, if you look closely that on this layer there are transparent pixels and the word love over and over again in the shape of a heart and I'll Option-click or Alt-click on the candy box layer so you can see that contains this photo of the candy box against transparent pixels and Option-clicking or Alt-clicking one more time on the candy box layer, makes all of the other layers visible again. I am going to add an adjustment layer and I'll start off with that adjustment layer at the top of the layers stack. So I'm going to select the candy box layer in the Layers panel and then I'm going up to the Adjustment panel, then I'll select the flavor of the adjustment. I'm going to use an Invert adjustment and as you can see this has an extreme effect on the image. It inverts the content of all of the layers below it to their negative color.

I choose this kind of an adjustment layer so it would be easy for you to see, but you can do the same thing I'm doing here with the Levels adjustment or Curves adjustment or any of the adjustment layers. Now I don't want this Invert adjustment to affect all of the layers below. I want it to affect only the content of the love graphic layer, which you can remember is just this graphic of the word love in a heart shape. So I'm going to take the Invert 1 adjustment layer in the Layers panel, click on it and drag down, so it's between the candy box layer and the love graphic layer and when the border between those layers turns dark, I'll release my mouse.

Now the content of the candy box layer is not affected by this adjustment, because it's above the adjustment layer in the layers stack, but the adjustment layer is still affecting the content of all three of the layers beneath it. I can limit this adjustment layer to affect only the love graphic layer by clipping it to the love graphic layer. Now in previous versions of Photoshop clipping two layers together wasn't the easiest or most intuitive thing to do. We had to move your mouse over the border between the two layers, hold down the Option key on the Mac or the Alt key on the PC and click when you saw this particular icon. I'm not going to do it that way, instead with the Invert adjustment layer selected in the Layers panel, I'll go up to the Adjustments panel and as you can see this particular adjustment layer has no controls or no options, but at the bottom of the Adjustments panel there is the Clipping layer icon.

All I have to do is click on that and the adjustment layer has been clipped to the love graphic layer and as you can see in the image it's now inverting the color of only the content of the love graphic layer. I can tell that these layers are clipped together because the Invert adjustment layer is indented and it now has this arrow on it, which means it's clipped to the layer just below it. Now what if I wanted to take this step further and have this adjustment layer affect not only the love graphic layer, but also the dot graphic layer, can I do that? Well, let's see, I'm going to move my mouse over the border between the love graphic and dot graphic layers and hold down the Option key on the Mac, the Alt key on the PC as I just showed you and when I see that double circle icon I'll click. And that includes the love graphic and the dot graphic layers in the clipping group with the Invert adjustment layer, but I don't get the result that I want.

If you look in the image, you can see that the content of the love graphic layer has completely disappeared and that's because a clipping group like this uses the bottom-most layer. In this case, the dot graphic layer that contains this dotted flower as the base layer for the clipping group. Now there are two ways around this problem. I can either use a layer group or a Smart Object to confine the effect of an adjustment layer to multiple layers, but not all the layers in a layered file and I'm going to show you how to do that in the following movies.

There are currently no FAQs about Photoshop CS4: Image Adjustments in Depth.

 
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