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Photoshop CS5 One-on-One: Advanced, the second part of the popular and comprehensive series, updated for CS5, follows internationally renowned Photoshop guru Deke McClelland as he dives into the workings of Photoshop. He explores such digital-age wonders as the Levels and Curves commands, edge-detection filters, advanced compositing techniques, vector-based text, the Liquify filter, and Camera Raw. Deke also teaches tried-and-true methods for sharpening details, smoothing over wrinkles and imperfections, and enhancing colors without harming the original image. Exercise files accompany the course.
Recommended prerequisite: Photoshop CS5 One-on-One: Fundamentals.
In this exercise I'm going to show you another use for the HSL options. This time we'll make a few modifications to the hue and saturation values, and we'll also change the luminance of the sky. I'm looking at the changes that I've made so far, which include a bunch of basic modifications as well as some local adjustments, that I applied using the Adjustment Brush and the Graduated Filter tools. And if you didn't save your changes, you can go ahead and load mine by clicking on the fly-out menu icon, choosing Apply Snapshot, and then choosing Basic & Local, and you'll catch right up with me.
Now, some of your may look at this image and think hey, Deke, I don't know if you've noticed, but this image is crooked. It's actually leaning to the left, possibly because of the ginormous weight of this dinosaur here. However, I want to actually enhance that affect. I want to make it lean even farther and crop for effect, not to straighten. So I'm going to grab the Crop tool, make sure it's set to Normal, so that I'm not constrained any ratio. And I'll go ahead and drag around these two dinosaurs like so, rotate the crop boundary as well a little bit, because I want to include this Triceratops over here on the right-hand side.
Because to me he looks like he's braying, like he is encouraging the bad behavior of the Tyrannosaurus there. He is an evil henchman, and I think we need to keep him in the frame. I am, however, going to crop into the Tyrannosaurus. So once I finish up here, and I'll go ahead and press the Z key to see what I've come up with. I want it to look like I barely got the shot before this dinosaur disemboweled me or whatever. All right, next, I'm going to switch back over to my HSL options, and then I'm going to go ahead and zoom in a couple of clicks and scroll up to the Tyrannosaurus head.
And I want to create an enormous amount of contrast between the sky in back of the dinosaur and the colors inside of the monster. So I'll switch over to the Luminance tab for the starters, and I'll press the T key in order to get that Targeted Adjustment tool. And notice that it automatically switches its behavior to Luminance, because I'm looking at the contents of the Luminance panel. And now I'll go ahead and drag down inside the image window in order to darken up that sky, like so. And notice that Camera RAW automatically limits my modifications to the Blues, in this case.
Now, one of the interesting things here is if I were using the Target Adjustment tool along with Hue/Saturation inside of Photoshop, then the Hue/Saturation command would limit my modifications to just one range of colors. Inside of Camera RAW, frequently your changes are going to bleed over into a couple of different color sliders. In this case, however, because the sky is so obviously blue, I'm hitting the Blues and nothing more. Now, I don't want to go too far with my changes, because the more I introduce differences between neighboring colors, the more weird edges I'm going to see inside my image.
And where this image is concerned, I'll go ahead and zoom in to 100% here so that we can see some examples of the weird edges. Notice these double edges that are showing up around the teeth, and also up here we have a kind of slim halo that's showing up around the snout. And that is not an effect we saw a moment ago when the blues were set to 0. Notice that it totally drops away, but as soon as we introduce selective luminance settings, and I'm going to take the sky down to -35, then these weird disparities start showing up inside the image.
All right, a couple of other changes I want to make. First of all let's do what we can to help these edges out here by going back over to Lens Corrections. And let's introduce some Chromatic Aberration modifications. I'm going to change the Red/Cyan Fringe value to -25 and then I'm going to change the Blue/Yellow Fringe value to 20. And that should help any weird colors that are showing up in those edges. You may also try to work with the Defringe option. I don't find it very useful on a regular basis, but you can experiment with it and see if that helps the edges that show up inside the image.
In our case it won't, so I'm going to leave it set to Off. And then I'll switch back to HSL/ Grayscale. Zoom out a little bit so that we can take in some of the coloring inside of this dinosaur sculpture. And I'm going to go ahead and switch over to Hue for a moment here, make sure that my Targeted Adjustment tool is selected, which is still is. Its behavior automatically switches over to Hue, as you can see. And then I'm going to drag inside of something that looks to be red inside of the dinosaur, possibly right here inside of its tooth.
And I'll drag over to the right a little bit until I change that Red value to +50. Notice that it blood over into the oranges just a little bit. I don't want that. I want the oranges to stay nice and orange, so I'm going to restore the Oranges value of 0. Then I'm going to switch over to saturation, and I really want to enhance this orange effect that I'm creating here. Again, since orange and blue are complementary colors, this will make the dinosaur standout more prominently than ever, not that he is not totally obvious right now. I just want him to be visceral.
And now I'm going to drag inside of these colors in order to exaggerate the saturation values. And I'm going to drag over to the right as far as I can, so that I have Reds and Oranges values of +100 a piece, and we get this effect right here. So just to get a sense of what's happened, this is the before, this is the original version of the dinosaur that we saw the outset of this exercise, and this is its appearance now. Thanks to the fact that we deepened the sky, and we increased the saturation and orange-ness of the metal dinosaur.
In the next exercise we're going to enhance the sharpening a little bit and then we'll move over to the Effects panel.
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