Apple Aperture 3.5 - Manual (Page 321)

Chapter 7 Make image adjustments 321
Brush the Contrast adjustment on an image
You use the Contrast Quick Brush adjustment to modify the contrast in a specific area of
an image.
Before Contrast adjustment After Contrast adjustment
(added contrast to elk and grass)
Note: You can also apply a Contrast adjustment by brushing the Enhance adjustment on an
image. However, brushing the Enhance adjustment on an image applies the Contrast, Definition,
Saturation, Vibrancy, and Tint parameter settings. You use the Quick Brush equivalents when you
need to apply each of these adjustments in different ways to different parts of the photo. For
more information about the Enhance adjustment, see
Adjust contrast, clarity, and saturation on
page 273.
Selectively adjust contrast in an image
1 Select a photo.
2 Do one of the following:
•
In the Adjustments inspector or the Adjustments pane of the Inspector HUD, choose Quick
Brushes > Contrast from the Add Adjustment pop-up menu.
•
In the tool strip, choose Contrast from the Quick Brush pop-up menu .
The Contrast Brush HUD appears, and the Contrast adjustment controls appear in the
Adjustments inspector and the Adjustments pane of the Inspector HUD, if both are shown.
3 Specify the brush stroke settings using the controls in the Contrast Brush HUD.
For more information, see Apply Quick Brush adjustments on page 231 and Work with brush
strokes on page 232.
4 Brush the adjustment on the area of the image where you want to change the contrast.
Modify the Contrast adjustment after it has been applied to an image
1 Select a photo with the Contrast adjustment applied to it.
2 In the Contrast area of the Adjustments inspector or the Adjustments pane of the Inspector HUD,
use the Amount parameter controls to modify the strength of the adjustment.
67% resize factor