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You've probably seen images captured with a fisheye lens, and perhaps you even have a fisheye lens, or you've used one from time to time. But even if you don't have a fish eye lens at your disposal, you can create a similar effect with a special filter within Photoshop. It's called polar coordinates, and it can create a rather interesting effect for just about any photo. Let's take a look at how we can use this effect. I'll start by creating a copy of my background image layer. By dragging the thumbnail for that layer down to the Create New Layer button at the bottom of the Layers panel. And then I'll go to the Filter menu and from the Distort submenu, I'll choose Polar Coordinates.
That will bring up the Polar Coordinates dialog. Now at first glance with this image it might look like absolutely nothing is happening but, if we zoom out just a little bit on that preview, you'll quickly see that the image is being rather dramatically altered. Note that we really only have two options available to us in the Polar coordinates dialog. We can choose the Rectangular to Polar option which means. Take a rectangular image an make it look like a fish eye lens effect essentially. Or we can go from polar to rectangular. For this image of course, that's not exactly the effect we might be going for because this isn't a polar image, it's a rectangular image. Of course, the effect can be sort of interesting.
So you might take a look an see what it looks like, if you're considering the polar coordinates adustment for a photo. But in this case an in most cases I'm going to use the rectangular to polar option. I'll then go ahead an click OK. Now That was very, very easy of course. We have a very simple effect applied just by choosing one of two options in the dialog for puller coordinates. But you might notice that we don't have exactly a perfect result. There's a very obvious seam in the image, but we can fix that with relative ease using the Spot Healing brush tool.
I'll go ahead and click on the Create New Layer button in order to add a new empty image layer. And then I'll rename that layer by double clicking its name, and typing a new name. In this case I'll just type clean up and. And then press Enter or Return on the keyboard to apply that name change. And then I'll choose the Spot Healing Brush tool from the toolbox. I'll make sure that the type option is set to content aware and that the sample all layers check box is turned on. I can then move into the image with my mouse and adjust the brush size as needed. Using the left square bracket to reduce the brush size or the right square bracket to increase the brush size. And for starters, I'll simply click and paint along this seam, along the line here.
To see how good an effect we can get with a very simple cleanup effort. That looks reasonably good. There's a few stray elements here and I might clean up those clouds just a little bit. Generally, I'm just trying to make sure that there's no obvious seam at all in the image. I'll go ahead and zoom in on the flowers though to take a closer look there and try to produce the best result that I can. Just taking several different paint strokes with that tool until we have Have a better result. So in this case I think we're just about there, just cleaning up a little bit, I think I'll get rid of that blemish altogether.
It's really part of a flower, but it's sort of blending in and looking a little artificial. So I can continue performing that cleanup work again. Just trying to make sure that I don't have any seam at all in the image, that everything blends very very smoothly. But once we've finished up all of that image cleanup, you can see It almost looks like we've taken a picture of a scene relfected in a metal ball. A very interesting effect with a very simple filter.
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