Applying effects 455
• Horizontal — moves the central point of the ripples. The value is a
percentage of the width of the image or selection. The default
position, 50, corresponds to the center of the image or selection.
• Vertical — moves the central point of the ripples. The value is a
percentage of the height of the image or selection. The default
position, 50, corresponds to the center of the image or selection.
• Amplitude — controls the amplitude of each ripple, or the
distance from the trough to the crest
• Wavelength — controls the distance from the crest of one ripple
to the crest of the next
• Color — lets you choose a color to represent out-of-bounds pixels.
You can click the color box to access the Color dialog box, or right-
click the color box to access the Recent Colors dialog box.
• Transparent — makes out-of-bounds pixels transparent (available
only with layered images)
Spiky Halo
Edit workspace
The Spiky Halo effect is a deformation that you can use to create a
radical pattern of waves or ripples. You can access the Spiky Halo
dialog box by choosing Effects Distortion Effects Spiky Halo.
The Spiky Halo dialog box contains the following controls:
• Horizontal — moves the central point of the ripples. The value is a
percentage of the width of the image or selection. Negative values
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