Graphics Programs Reference
In-Depth Information
9. You t he n ne e d t o r eve r s e t he c h a n nel s o t he a r e a you w a nt
to discard is black. Press Command+I (Ctrl+I) to invert the
channel.
10. Soften the selection by blurring it. Choose Filter > Blur >
Gaussian Blur, set it to a value of 1 pixel, and click OK.
11. Load the channel as a selection by Command-clicking
(Ctrl-clicking) the channel's thumbnail.
12. Tu r n on it he v i s ibi l it y icon for it he RGB cha n nel s a nd it u r n it off f
for the alpha channel.
13. Switch to the Layers panel and select the Banana Tree layer.
14. Click the Add layer mask button to apply a mask to the
selected layer.
NoTe
Using CS4 or CS5?
In earlier versions of Photoshop is
a dedicated panel called the Masks
panel to adjust a mask's properties.
It behaves exactly like the Proper-
ties panel.
Tip
The Masks Panel Is Essential
The Masks panel offers several other useful commands. You can load a
mask as a selection, apply a mask, disable its visibility, or discard it. Addi-
tionally, you can use the Color Range or Invert command to further refine
the selection. The Masks panel consolidates all the masking commands into
a single location, which can save you valuable time.
 
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