Adobe PHOTOSHOP 5.0 User Manual page 262

254 CHAPTER 10
Using Channels and Masks
2 Enter a new name for the channel.
Choose display options, as explained in steps 2
3
through 4 of the procedure on Quick Mask
options in "Using Quick Mask mode" on
page 250.
See "Using spot channels" on page 245 for infor-
mation on changing Spot Color channel options.
Note: You cannot modify options for the default color
channels.
Loading a selection into an image
When you have finished modifying an alpha
channel or simply want to use a previously saved
selection, you can load the selection into the
image.
To load a saved selection using shortcuts:
Do one of the following in the Channels palette:
Select the alpha channel, click the Load Selection
•
button (
click the composite color channel near the top of
the palette.
Ctrl-click (Windows) or Command-click
•
(Mac OS) the channel containing the selection you
want to load.
To add the mask to an existing selection, press
•
Ctrl+Shift (Windows) or Command+Shift
(Mac OS), and click the channel.
To subtract the mask from an existing selection,
•
press Ctrl+Alt (Windows) or Command+Option
(Mac OS), and click the channel.
) at the bottom of the palette, and then
To load the intersection of the saved selection
•
and an existing selection, press Ctrl+Alt+Shift
(Windows) or Command+Option+Shift
(Mac OS), and select the channel.
To load a saved selection into an image:
1 Choose Select > Load Selection. For Document,
the active filename is selected.
2 For Channel, choose the channel containing the
selection you want to load.
3 Click Invert to make the nonselected areas
selected and vice versa.
4 If the destination image already has a selection,
indicate how to combine the selections. (For
information on these options, see step 5 of the
procedure on saving a selection to a new or
existing channel in "Creating and saving alpha
channels" on page 252.)
Click OK to load the selection.
5
To load a selection from another image:
1 Open the two images you want to use.
Note: The images must have identical pixel dimen-
sions. See "Changing the pixel dimensions of an
image" on page 49.
Make the destination image active, and choose
2
Select > Load Selection.
3 For Document, choose the source image.
4 For Channel, choose the channel containing the
selection you want to use as a mask.