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Although you can use the Upright feature in Camera RAW there might be times like this when you want to take control of your image and selectively correct any of the distortion in it. Before we apply a filter to this image, I want to make sure that I do it in a nondestructive manner. So, i'm going to use the context sensitive menus, so I'm going to control click on the Mac or right mouse click on Windows, and then I'll select convert to Smart Object. By converting this image to a Smart Object, I can now add a smart filter, which will be nondestructive.
Under the Filter menu, I'll select adaptive wide angle. Now I get to control exactly what distortion in the image I want to correct. So say for example I want to make sure that this break wall across the back is perfectly straight. I'm going to click on one side of it. And drag to the right with the Shift key. You can see as I toggle on and off the Shift key, the color of the line is going to go from the default cyan to yellow with the Shift key, and by holding down the Shift key I'm going to constrain this so that Photoshop has to correct it and make it a horizontal line.
And you can use the detail area over her eon the right in order to zoom in. You can see that no matter where I move my cursor, it will zoom to that area. So that I don't have to zoom in on the larger preview area but I can just look over there. So when I release the cursor, you can see a little bit of a distortion was corrected. And if I wanted to change that I can. But we're going to wait and actually make a change to another one. First I'm going to do the same thing just to make sure that the bottom area here is exactly horizontel.
So I'll click right under maybe this brick area. And then again holding down the Shift key, I'm going to drag it across And then release the cursor. So right now it's just making some very small moves but we'll make some bigger ones in a moment. If we want to preview, we can tap the p key. We'll preview the before and after, basically it just toggles on and off the preview down here at the bottom. Now, when we start straightening these columns, I think you'll see a bigger change in the actual line that we draw.
So when I click at the base of the column and I start dragging up, you'll notice that the line actually arcs and I'm not doing that. That is something that Photoshop is doing And it knows how much to correct this, because you can see at the very bottom there's information down there about the camera. So, the adaptive wide angle filter is looking at the data in the camera in order to correct this. So I'm just going to align it. You can see aligning it right along here. This is where I'm looking but I'm just going to carry the line up a little further just to make sure I am being accurate along that line. If I hold down the shift key you can see that this time the cyan line turns to magenta And this would constrain this to a perfectly vertical image. Let's go ahead and do that so hold down the shift key and then release your cursor and you can see that that is now straightened it. And we'll do it to the other side as well, I'll start at the base of this column.
I'll start dragging up, and then we'll hold down the shift key in order to constrain that and make it a completely vertical line. But it looks like it's overcorrected to me. It just doesn't look natural. I don't think that the lines on the right-hand side of these columns should actually be vertical. But that's easy to take care of and that's a reason to use the adaptive right angle filter to take control of these things. So I'm going to click right here on this white dot. You can see that when I hover my cursor on top of it I get the double headed arrow.
And then I can start to rotate it. So I'm just going to rotate it a little bit to the left and you can see that every time I release my cursor, Photoshop will recalculate the correction that it's made. And as soon as I rotate it, the line is no longer magenta and that's just to remind me that it is not at a 90 degree angle. Let's do the same thing with the line over on the left. You can see to select it all I need to do is position my cursor on top of the line and then click. Now I get all of my controls so we can go ahead and rotate this. I'm just going to rotate it a little bit to the right. And let go.
So now I am just making this look visually pleasing. So I'm not exactly correcting it to be optically correct but instead I have my bias toward the visually correct.And we'll tap the p key again to toggle the preview off and then on. And when I;m satisfyied with this change, we'll go ahead and apply the filter. And again because I turned my background image into a smart object. When I added this it added a smart filter. It ahs a mask. The ability is there to toggle it on and off.
I could also change the blend mode and opacity by clicking on this icon. But with the adaptive wide angle I want to keep it exactly the way it is so that we have a good example of the adaptive wide angle that was before and then we'll toggle on the eye icon in order to preview the result of the filter.
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