Apple Aperture 2 Manual do Utilizador descarregar pdf (Página 465)

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Chapter 15 Making Image Adjustments 465

III

5 To adjust the distance Aperture goes from the edge of the image, in pixels, to apply the

vignette adjustment, do one of the following:

Â Drag the Size slider to the right to increase the number of pixels Aperture goes

toward the center of the image to apply the vignette adjustment, or drag it to the

left to limit the vignette to the edges of the image.

Â Click the left or right arrow in the Size value slider, or drag in the value field.

The left arrow limits the vignette adjustment to the edges of the image, and the right

arrow moves the vignette adjustment toward the center point of the image.

Â Double-click the number in the Size value slider, then enter a value from 0.0 to 2.00

and press Return.

The Exposure vignette is applied to the image.

Applying a Gamma Vignette

A Gamma vignette is an artistic adjustment that intensifies colors in the pixels affected

by the vignette.

To apply a Gamma vignette to an image:

1 Select an image.

2 If the Vignette controls are not shown in the Adjustments inspector or the Adjustments

pane of the Inspector HUD, choose Vignette from the Add Adjustments pop-up menu.

3 Choose Gamma from the Type pop-up menu.

Use the Size slider and

value slider to adjust the

size of the area over

which the vignette

adjustment is applied.

Before Gamma Vignette adjustment

After Gamma Vignette adjustment

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