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Straightening with Content-Aware Fill

From: Up and Running with Photoshop Elements 12

Video: Straightening with Content-Aware Fill

When you don't have your camera on a tripod and you're taking a photo like this has horizontal or vertical lines you can sometimes end up with crooked content. If that happens to you I think you're going to appreciate the content aware auto fill option on the straighten tool here in the expert edit workspace. To select the straighten tool I go to the bottom of the toolbar. This is the Straighten tool. I'm going to click on it, and then I'll go down to the tool options. Now, I'm going to leave the first option selection here, this is the default, Grow or Shrink Canvas to Fit.

Straightening with Content-Aware Fill

When you don't have your camera on a tripod and you're taking a photo like this has horizontal or vertical lines you can sometimes end up with crooked content. If that happens to you I think you're going to appreciate the content aware auto fill option on the straighten tool here in the expert edit workspace. To select the straighten tool I go to the bottom of the toolbar. This is the Straighten tool. I'm going to click on it, and then I'll go down to the tool options. Now, I'm going to leave the first option selection here, this is the default, Grow or Shrink Canvas to Fit.

What that means is that, I'm going to have the tool rotate the image, and that will increase the amount of necessary canvas. So Elements is going to automatically create that canvas for me. I'll leave auto fill edges unchecked which is the default and then I will move into the image and I am going to create a line along one of the elements of the image that I think should be horizontal, for example the border between the rail and the edge of the subway platform here. So I'll click and I'll drag this way and it doesn't matter how far I drag.

I just want to get a healthy bit of the photo and then I'll release my mouse. So, you can see that the tool has indeed straightened that line in the photo, but in the course of doing so it had to rotate the whole photo and increase the amount of canvas available. And as a result we have some extra white canvas around the edge of the photo. By the way, this canvas is white because I'm working with a background layer, which is the typical kind of layer that you'll get when you open a photo into the expert edit work space. If this were a regular layer, then those white pixels would be transparent but either way, I would want to eliminate them from the image.

So I'm going to undo. And show you that auto fill edges can often do the trick. I'll click the Undo button in the test pane, to reverse the photo to its original crooked state, and then, with the first option, grow or shrink still selected, I'm going to check auto fill edges. And then again I'll click and drag along the line between the subway platform and the rails. Now this time, Elements has done two things for me. It did rotate the image and it did increase the canvas to make room for that rotation.

But at the same time, it created content to fill in those extra edges of the canvas. Now it's not an absolute perfect job. I see a little bit of white here and a little up here. But I can take care of that. By selecting the Crop tool. I'll set its option to use the photo ratio so that my crop is in the same ratio of my original photo. I'll click and drag from one corner down to the other and then I'll just drag in a little bit on this edge and this edge. And maybe the top edge too, and I'll click the green check mark.

And that's allowed me to both have a straightened photo, and to preserve as much of the photo content as is possible.

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Up and Running with Photoshop Elements 12

30 video lessons · 2813 viewers

Jan Kabili
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