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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.
In this movie, we're going to look at how to straighten crooked images. So, I have here this photo of a toaster oven and we're going to straighten it using something called the Ruler tool. Now, one of the things that is important to be aware of when you are working in the tools panel here, is that some of these tools have this little doohickey, this little icon here. It's very tiny, little white triangle in the bottom right-hand corner. And what that indicates is that if you Click and Hold on that tool, you'll see that there's actually several tools hidden underneath that current tool in the same group essentially. So, what we want to do is come down here, sixth from the top, and we'd want to click on the Eyedropper tool and hold that.
In this group, you'll find the Ruler tool so that's where you want, choose the Ruler tool. And this has a really easy way to straighten an image and all we're going to do is just click it at one point and then click at another point and click Straighten Layer. But before we do that, we should probably analyze what part of the image we should use as a reference for straightening the image. Now, the thing that's probably the most straight is the part of the toaster oven, or maybe part of the light, that's the thing that's the most accurate I should say, the thing that's going to be most flush with the counter top that it was sitting on.
And the muffin tin here is probably going to be a little bit more crooked. However, this is the focal point, the muffins are the focus, so it's kind of an artistic thing you need to ask yourself, what do you want to be the focus or what do you want to use to be the basis of the straightening? So, in my case, I'm going to choose the muffin tin, because I want the muffin tin to be straight, and I think that's the most important part of the image. But you are more than welcome to use the light or the toaster oven or any other part of the image that you'd like to if you'd like to use that as the basis for the straightening. But I'm just going to find a flat part of the muffin tin. And I'm just going to Click and Drag over and make a straight line and I'm basically telling Photoshop that this line here, this should be straight. I should let go and the line again should not be straight but it should be showing Photoshop where the flat horizon line should be. And I'm going to go ahead and click Straighten Layer and bada bing. And you can see these little edges here and this indicates that our image is crocked, because it's been tilted.
So, it's been fixed but then we have some extra stuff on the sides, some transparency that we need to get rid of, that we basically need to crop out. But really quick, I just want to point out, you could see the difference here. The muffin tin is straight, and again, that's the focal point of the image, at least, in my mind, as the artist of this image, this is what I want to convey, is that the muffin tin is the focus. But that also makes everything else in the toaster oven a little bit askew, a little bit crooked. So, you might choose to focus on the toaster oven and have that be straightened rather than the muffin tin. So, my point is that there are some artistic choices that need to be made sometimes when you are straightening images, just something to be aware of.
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