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Chapter 7. Understanding Curves > Taking Curves for a Test Drive

Taking Curves for a Test Drive

Okay, start your engines. We're going to stop babbling and start driving! Go ahead—open an image, choose Image > Adjustments > Curves, and start messing with the curve. Just click anywhere on the curve to add a point, and then drag it around to change the shape of the curve. If you want to get rid of a point, drag it off the edge of the grid. You can also click a point and then use the arrow keys on your keyboard to nudge it around the grid. You can even add the Shift key to the arrow keys to nudge it in larger increments.

You should quickly find that it's pretty easy to screw up your image! That's because we haven't talked about specific types of adjustments yet. So, let's explore the final piece of the Curves puzzle. To understand what you're doing, you must compare the curve you're making to the original line. After all, how can you know how much of a change you've made unless you know where you started? I usually just grab a pencil and hold it up to the screen to represent the original line (Figure 7.29). Now let's see what we can do with all this.


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