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Using the Gradations Color Picker
e Gradations Color Picker in the lower le corner of the
Gradations window enables you to place a gravity point on the
curve at the brightness of a point that you select in the preview.
Click on the eyedropper icon to activate the gradations color
picker, then click on a point in the preview to place the gravity
point. See the next section for more information about using
the curve.
Using the Curve
e gradation curve is a plot of input brightness (on the horizontal-axis)
versus output brightness (on the vertical-axis). It provides extremely
detailed control over brightness and contrast in your final image, and
even provides individual control over each color channel. You can hide
or show the curve by clicking on the small triangle beneath the Shadow
depth slider.
To adjust the curve, click and drag on the graph. Each time you click on
a new point, you will create a gravity point, which will pull the curve
toward itself. is system makes sure that the curve is always smooth.
e preview image will update to reflect your changes.
Here are some guidelines to help you make adjustments to the gradation
curve:
• To add a gravity point to the curve, click anywhere on the graph or use
the Gradations Color Picker, as described in the previous section.
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