From the course: Photoshop CS5 One-on-One: Advanced
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Previewing clipped pixels - Photoshop Tutorial
From the course: Photoshop CS5 One-on-One: Advanced
Previewing clipped pixels
In this exercise I am going to show you a little-known trick for previewing exactly which pixels inside of an image are clipping to either black or white on a channel by channel basis when you adjust the black-and-white points here inside the Levels panel. I saved my changes from the previous exercise as Open shadows.psd just in case you want to compare my file to yours. Now I am going to switch over to this one. It is called Levels set to Auto.psd. It is the result of our noodling around with the Auto button a few exercises back now. Let's say that I want to go ahead and wipe out the changes that I've made here inside the Levels panel so that I can start afresh. I don't want to get rid of the Adjustment layer; I want to keep it because I need it. I just want to start over again. All right, then notice I have this icon down here in the bottom-right corner of the panel. You can see that the arrow goes all the way around the circle. This icon actually has two states and let me show them…
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Contents
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Highlights, shadows, and midtones1m 16s
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Introducing the Auto commands7m 23s
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Adjusting Cache Level settings6m 8s
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Reading a channel-by-channel histogram6m 21s
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How the Auto commands work5m 22s
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Auto Tone, Auto Contrast, and Auto Color7m 7s
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Blending the Auto results4m 4s
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Introducing the Levels command6m 15s
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Using Levels as an adjustment layer3m 12s
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Applying custom Levels adjustments6m 8s
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Understanding the gamma value7m 39s
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The futility of Output Levels2m 55s
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Selections and adjustment layers5m 47s
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Opening up the shadows3m 40s
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Previewing clipped pixels4m 51s
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The black, white, and gray eyedroppers5m 7s
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Gray card tips and tricks6m 5s
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Making channel-by-channel adjustments7m 29s
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Introducing the Curves command7m 44s
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Curves dialog box tricks7m 16s
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Curves adjustment layer tricks5m 45s
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Correcting an image with Curves5m 32s
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Filling in the highlights5m 42s
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Neutralizing casts and smoothing transitions5m 37s
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