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It's a bit geeky, but I'm pretty excited to show you this next set of power shortcuts around OpenGL Navigation. This is a new feature in Photoshop CS4 that takes advantage of the graphics card that you have to do faster and smoother animation, zooming and panning around your screen. So how do you know if this is supported? Your card has to support OpenGL. Photoshop can tell you that. If you go to your Preferences, Command+K, Ctrl+K, and click on the Performance tab. This will be turned on by default, Enable OpenGL Drawing, and if your card supports that, you will get some information here telling either Photoshop detected an OpenGL aware card or a supported card.
So what does this mean? Well, I'm going to press Z for the Zoom tool here and normally in the previous versions of Photoshop, you would click, click, click, click. Every time you wanted to zoom in, you do a separate click and of course if you want to zoom out, you hold down the Option key or the Alt key and click to zoom down. Instead of clicking now in CS4, I'm just going to click and hold. And the longer I hold the key down, the farther you are zoomed-in. You see it does it in much smoother and an animated way. Eventually, you see a pixel grid, and then when you let go, you stop zooming. To zoom down, you hold down Option or Alt and it works exactly the same way, the longer you hold the mouse button down, the farther you will zoom out. It's kind of very nice, smooth, quick interactive way to zoom in and out. So that's kind of fun.
I am going to go ahead and zoom up the old-fashioned way doing Command+1, Ctrl+1 to go to 100%, and if I tap the H key for the Hand tool. The other thing that OpenGL provides for you is what they call Flick Panning, or I like to call it Photoshop Pong, and what you are actually doing is throwing the image. I'm clicking and dragging and releasing, and there is actually a built-in accelerometer, so to speak, if the faster you throw the image, the faster it will scroll. So it makes it kind of fun and interactive way just to throw the image around on screen. If it's in the middle of a movie you want to stop it, just click, and that will stop the pan. So if I click and make it go really fast, and then click again, it will stop the pan wherever you click.
So just a real fun interactive way to pan and zoom around an image, and of course the Rotate Screen View is really a nice and smooth with OpenGL as well. If I hold down the R key and rotate, I get a nice smooth rotate, and I can go really fast, to rotate my Canvas, I'll just hit Escape to cancel that back out, and to zoom down again, hold down the Option key, and zoom down smoothly. So that's the OpenGL Navigation. Click and hold with the Zoom tool, hold down Option or Alt to zoom out, and then do the Flick Panning to throw your image around and navigate very quickly.
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