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Adobe Photoshop is more than just an image editing application—it is a foundational staple in all the visual arts, from print design, to photography, to web design, to motion graphics and 3D graphics. In this course, Adobe Certified Instructor Chad Perkins covers the basics of Photoshop. Learn about the components of visual images, making selections, color correcting, fixing images, outputting images, and much more. This course uses Photoshop CS6, but the information presented is applicable to all versions of the application.
After playing around for a little while with the basic Photoshop selection tools such as the Marquee selection tools, and the Lasso and the Polygonal lasso. You'll find that when you're trying to select things in real world scenarios, such as things in this image for example, But those tools fall short a little bit. But there are a few tools that Photoshop has given to give you more control, a little bit more automatic power, I guess you can call it. Say for example, in the Lasso group, if you hold down your mouse on the Lasso tool, you can choose the Magnetic Lasso. And if I zoom in to this image, I'll zoom in closer here, and I'll just take, I'll click on one of these points on the dress where there's a lot of contrast. I click once and then drag my mouse.
You'll see that we actually, don't have to really do anything and Photoshop is finding a line here. As you can see down at the bottom of my screen, that my selection area is about to move off the screen, the area I want selected. And here's where it pays to know the navigation keyboard shortcuts. So, the way out of this has been to hold the spacebar key down, click and drag to move the image, let go of the spacebar, and then I can keep dragging with my mouse, to create my selection. Now things aren't completely perfect, as you can see this little area right here, that little That didn't quite work out right.
So what I'm going to do, I'm going to press the Escape key and that will cancel that selection. But that's one way to select objects that might be a little bit more weird in shape, and have Photoshop do a lot of that work for you. But I'm also going to press space bar+Cmd+ Option. Or spacebar+Ctr+ Alt on the PC to zoom out a little bit. There's another tool for quickly selecting objects, and that is the, appropriately named, Quick Selection tool. So I'm going to, with the Quick selection tool selected, just click and drag in an area.
And you can see that PhotoShop is super eager, like a little puppy dog, to kind of anticipate where you want selected. And so we will kind of make big jumps, and sometimes it's accurate and sometimes it's not. As you can see sometimes I'll get down here, and actually I'll go down to the bottom here, of this edge. And you see that it's selected inside of the dress area here, this is actually the background this is not what I want selected. So, what I'm going to do is I'm going to hold the spacebar and Ctrl key or Cmd key on the Mac. And zoom into this area then just hold the spacebar. To get the Hand tool, then click and drag to move this into place. And if we click anywhere, we're going to add to the selection area. But in this case I want to actually subtract from the selection area. I want to teach Photoshop that this is not want I want in my selection. So, to do that, I hold the Option key down on the Mac, or the Alt key on the PC, and see that my cursor changes from a plus to aminus. And then I click and drag in this area, and that area is deselected. Then I have to go back in, and select those edges, and it's kind of this back and forth process where we have to keep selecting and then deselecting, selecting and deselecting, until we get a selection that we are happy with. Now one of the cool things about selections, is that I can actually use multiple selection tools to help me get the same selection. So, I don't have to just use one selection tool to get this job done. Say for example, right here, I've got a little bit of the thumbnail selected, but if I try to deselct it.
It actually didn't work out to badly, but over here I still have this area that just doesn't want to go away. So what I can do, is actually let's say for example I'll use the Lasso tool. I'll use the Lasso tool, and actually want to subtract from selection. Again I hold the Option key down or the Alt key on the Mac and you see the cursor changes gets a little minus sign. So now if I click in drag in this area, you'll see that it creates a hole. If I hold the Shift key down, you'll see I get a plus icon, and that means I'm going to add to the selection. So, I could actually use whatever tools I want.
I could come in here and I could actually add to this selection area in here. And I could subtract more from it over here. I could just use the combination of the Alt or Option keys and the Shift keys, to subtract and add to the selection with whatever tools that I want, and it doesn't change my selection. Now I'm just going to go ahead and deselect that but I recommend practicing on this dress. Take the time to go through and get a great selection.
Now, when you do get a great selection, you will realize that it actually takes quite a while to do that. So, one of the things that you can do is go to the Select menu, and choose save selection. And this will save your selection is, as a channel. And you can go ahead and name it whatever you want to name it. I'm just going to go ahead and hit cancel on that. And I'm actually going to hit Ctrl+D or Cmd+D on the Mac to deselect that because I've already saved a selection in this document for you. You should just go to the Select menu choose Load selection and from the channel here, changes drop down from image transparency to Chad's dress selection and click OK. And here is the dress selection that I've already made for you, and I've already gone through and more painstakingly selected this dress, and let me show you the power of doing this.
What you can do with a selection like this. I'm going to go down to the bottom of the layers panel, to the adjustment layers, and choose Hue/Saturation, again we could choose anything here. We could choose a pattern if we wanted to, and we could add a pattern. Into this area, it doesn't look very good but we could if we wanted to. I'm just going to go ahead and hit cancel there, but I'm going to choose Hue/Saturation and we can change the hue of this dress. So, click and drag over to the right and let's pick green. That looks a little too garish, a little too saturated. So, let's take down the saturation a bit, actually quite a bit.
Close that up. And then zoom out, and there we have a very believable change in wardrobe. And anytime we could double-click this icon, change the hue in the other direction, maybe change this to purple or whatever we want to do. And again we have another wardrobe change with very minimal effort because we have that selection and it's stored. So, be aware that there are more ways to select objects that just those simple tools. There's the Magnetic Lasso tool, and the Quick Select tool to help get you started.
And then you can use the keyboard shortcuts to further add to and subtract from that selection as well.
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