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Photoshop CS5 for Photographers provides comprehensive Photoshop training targeting the needs of photographers. In this course, author Chris Orwig demonstrates the fundamental skills used to enhance digital photos, including managing and correcting color, sharpening, making selections and adjustments, retouching, and printing from Photoshop. In addition to teaching the techniques that enable photographers to refine and publish their photos, the course includes live-action segments that encourage thinking photographically and shooting with Photoshop’s capabilities in mind. Exercise files are included with the course.
The next set of Selection tools that we're going to examine are the Lasso tools. Go ahead and select this Lasso here by clicking on the icon. The first one is just the regular Lasso tool. You've got to think about this tool as something that's very free-form. Let me show you what I mean. If you select it, what you can do is then make a selection simply by drawing a shape. I'll go ahead and draw a different kind of a shape there, and then close it off. Here, I've now made a selection that's really just something that I drew free-form. All right. Well let's deselect: Command+D on a Mac, Ctrl+D on a PC.
What about the other tools? Polygonal Lasso tool, this one is really helpful when you have polygonal shape. Here is how it works. You click to start off a selection. Click again. Click again. And you can click as many times as you want. Here, you can see I'm making these different shapes, and then I'll go ahead and bring it back to where I started, in order to make a selection. So again, if you ever have a selection that you need to make which is very angular, this is going to be your tool of choice. Press Command+D on a Mac, Ctrl+D on a PC.
What about the last option? Well, this is the one we're going to work with here. It's called the Magnetic Lasso. This one is really interesting. What it will do is it will actually magnetically try to create a pretty good selection for us. So I'm going to start over here on the tent, and I'm going to go ahead and click to start my selection. I'm going to hover my cursor over this edge, trying to stay pretty close to it. As I do that, you can see that it's setting anchor points for me. It's helping me build out the selection in fine contrast along this line, in order to set these points.
Now, this isn't always going to work perfectly, but there are times when using this tool can really help out. If ever you want to set your own anchor points, you can click, as I'm doing so here, because this is a little bit of a tricky area, because the colors are little bit close - the two tents are pretty close in color. You can also simply reposition the mouse. It will set those points for you. Then I'm going to make my way all the way back around, and click. I now have a selection of everything but the tent.
Well, let's say I want to change the tent color. How could I do that? We know how this works, right? We go to Select and choose Inverse. Then we'll go to Image > Adjustments, and here we'll choose something like Hue/Saturation. Then we'll go ahead and change the Hue of the tent, move this off, so we can see that a little bit, maybe make it a little brighter as well. I think that looks good. Then click OK. Now we've successfully modified everything but that middle area, in order to create this particular effect. Now one of the things you have to keep in mind is don't get distracted by the effect, because really what I'm trying to do here is showcase the tool.
The true creativity comes into play when you start to experiment with these tools on your own images. That's where you're really going to discover how these tools work, and how you can apply some of these different techniques in so many different situations, whatever the task is at hand, whether it's creative or functional.
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