Adobe photoshop cs2 User Manual
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ADOBE PHOTOSHOP CS2
User Guide
To show color channels in color
1
Do one of the following:
•
In Windows, choose Edit > Preferences > Display & Cursors.
•
In Mac OS, choose Photoshop > Preferences > Display & Cursors.
2
Select Color Channels in Color, and click OK.
To select and edit channels
You can select one or more channels in the Channels palette. The names of all selected, or active, channels are
highlighted. Any editing changes you make apply to the active channels.
highlighted. Any editing changes you make apply to the active channels.
B
A
C
D
Selecting multiple channels
A. Not visible or editable B. Visible but not selected for editing C. Selected for viewing and editing D. Selected for editing but not
viewing
A. Not visible or editable B. Visible but not selected for editing C. Selected for viewing and editing D. Selected for editing but not
viewing
•
To select a channel, click the channel name. Shift-click to select (or deselect) multiple channels.
•
To edit a channel, use a painting or editing tool to paint in the image. Paint with white to add the selected channel’s
color at 100% intensity. Paint with a value of gray to add the channel’s color at a lower intensity. Paint with black
to fully remove the channel’s color.
color at 100% intensity. Paint with a value of gray to add the channel’s color at a lower intensity. Paint with black
to fully remove the channel’s color.
To rearrange and rename alpha and spot channels
You can move alpha or spot channels above the default color channels only if the image is in Multichannel mode.
•
To change the order of alpha or spot channels, drag the channel up or down in the Channels palette. When a line
appears in the position you want, release the mouse button.
appears in the position you want, release the mouse button.
Note: Spot colors are overprinted in the order of their appearance from top to bottom, in the Channels palette.
•
To rename an alpha or spot channel, double-click the channel’s name in the Channels palette, and enter a new
name.
name.
To duplicate a channel
If you are duplicating alpha channels between images, the channels must have identical pixel dimensions. You cannot
duplicate a channel to a Bitmap-mode image.
duplicate a channel to a Bitmap-mode image.
1
In the Channels palette, select the channel to duplicate.
2
Choose Duplicate Channel from the Channels palette menu.