Operation Manual

7 Set a point along the curve by doing one of the following:
Click a place on the curve where you want to add a point.
Click the Add Point
button to use the
eyedropper tool to
sample a portion of
the image and add a
point to the tonal curve.
Click the tonal curve
to add a new point, and
drag the new point to set
the tonal value.
Click the Add Point button and use the eyedropper tool to sample a portion of the
image.
Note: You can change the Loupe’s color value sample size by choosing an option from
the Adjustment Action pop-up menu. For more information, see Sampling Color Values.
Aperture places a point on the curve in the exact tonal range of the sampled area of
the image.
8 Adjust the shape of the curve by doing one of the following:
Drag the point on the curve until that tonal area of the image looks correct.
For example, dragging a point down in the shadow area of the curve darkens the
shadows in the image, and dragging a point up in the shadow area lightens the shadows
in the image.
Click a point on the curve and enter new In point and Out point values in the In and
Out fields.
The In point values represent the horizontal axis of the graph, and the Out point values
represent the vertical axis of the graph.
545Chapter 17 Making Image Adjustments