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Videonics PowerScript
To prepare the file based on the RGB color model:
1
If necessary, convert the file to RGB mode—that is, display the Mode menu, point to
the Mode sub-menu item, then select RGB.
2
In the Channels palette, create a new, empty channel. Use the palette pop-up menu to
select New Channel.
3
Display the Image menu, point to the Mode sub-menu item, then choose Multi-Chan-
nel.
4
Convert the image to CMYK mode—that is, display the Mode menu, point to the
Mode sub-menu item, then select CMYK.
5
If necessary, adjust the image colors.
6
Display the Channels palette and select the K channel.
Note that the K channel is empty.
7
Paint black (or shades of gray) in the K channel where you want the image to be trans-
parent. Full black (100%) makes that part of the image completely transparent. A gray
shade of 50% makes that part of the image 50% opaque/transparent.
8
Save the image with an APS extension, such as BASEBALL.APS. Also be sure to observe
all of the recommendations under "Adobe Photoshop Considerations" on page 138.
Creating Transparency Channels
143
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