Adobe photoshop cs2 사용자 설명서
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ADOBE PHOTOSHOP CS2
User Guide
Solidity at 100% and solidity at 50%
Note: The Solidity and color choice options affect only the on-screen preview and the composite print. They have no effect
on the printed separations.
on the printed separations.
See also
To convert an alpha channel to a spot channel
1
Do one of the following:
•
Double-click the alpha channel thumbnail in the Channels palette.
•
Select the alpha channel in the Channels palette, and choose Channel Options from the palette menu.
2
Select Spot Color.
3
Click the color box, choose a color in the Color Picker, or click Color Libraries and choose a custom color.
Click OK.
4
Rename the channel if needed.
5
Click OK.
The areas of the channel containing grayscale values are converted to spot color.
6
To apply the color to the selected area of the channel, choose Image > Adjustments > Invert.
See also
To edit a spot channel to add or remove color
1
Select the spot channel in the Channels palette.
2
Use a painting or editing tool to paint in the image. Paint with black to add more spot color at 100% opacity; paint
with gray to add spot color with lower opacity.
Note: Unlike the Solidity option in the Spot Channel Options dialog box, the Opacity option in the painting or editing
tool’s options determines the actual density of ink used in the printed output.
tool’s options determines the actual density of ink used in the printed output.