Graphics Programs Reference
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3. For this effect to work we need to make the noise bigger. Choose the Rectangular
Marquee tool, Shift-click, and drag out a square in the center of the document
( Figure 4.15 ) .
Figure 4.15
4. Copy this selection onto its own layer by pressing Command/Ctrl+J. Then go to
Edit > Free Transform, Shift+Option/Alt-click any corner transform handle and
drag outward so that the square fills the document. As a result, the size of the noise
has been increased. Flatten the layers by going Layer > Flatten Image.
5. Go to Filter > Filter Gallery, and then to Stylize > Glowing Edges. Here is where
you can experiment with the Edge Width, Edge Brightness, and Smoothness set-
tings to create random shapes that will pass as being debris. In this example I
found that setting Edge Width to 14, Edge Brightness to 20, and Smoothness to 1
worked great ( Figures 4.16 and 4.17 ).
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