Adobe PHOTOSHOP 6.0 Manual page 211

4 In the Channel menu, choose a destination
channel for the selection.
By default, the selection is saved in a new channel.
You can choose to save the selection to any existing
channel in the selected image or to a layer mask if
the image contains layers.
If you're saving the selection to an existing
5
channel, select how to combine the selections:
Replace Channel to replace the current selection
•
in the channel.
• Add to Channel to add the selection to the
current channel contents.
• Subtract from Channel to delete the selection
from the channel contents.
• Intersect with Channel to keep the areas of the
new selection that intersect with the channel
contents.
6 Click OK.
In Photoshop, you can select the channel in the
Channels palette to see the saved selection
displayed in grayscale. A selection saved in
ImageReady will appear in a new or existing
channel in the Photoshop Channels palette.
Modifying alpha channels (Photoshop)
You can edit an alpha channel to add or remove
color in it, and you can specify settings for the
masking colors and opacity.
See "Managing channels (Photoshop)" on
page 187 for information on rearranging, dupli-
cating, or deleting alpha channels.
To edit an alpha channel:
Use a painting or editing tool to paint in the image.
Paint with black to add to the channel, paint with
white to remove from the channel, or paint with a
lower opacity or a color to add to the channel with
lower opacities.
To change an alpha channel's options:
Do one of the following:
1
Select the channel in the Channels palette, and
•
choose Channel Options from the palette menu.
Double-click the channel name in the
•
Channels palette.
Enter a new name for the channel.
2
Choose display options, as described in steps 2
3
through 4 of the procedure on Quick Mask
options in "Creating temporary masks in Quick
Mask mode (Photoshop)" on page 197.
See "Modifying spot channels" on page 192 for
information on changing Spot Color channel
options.
Note: You cannot modify options for the default color
channels.
Loading a selection into an image
You can reuse a previously saved selection by
loading it into an image. In Photoshop, you can
also load the selection into an image when you
have finished modifying an alpha channel.
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User Guide