Adobe photoshop cs2 사용자 설명서
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ADOBE PHOTOSHOP CS2
User Guide
Using the signal strength meter
The signal strength meter helps you determine whether a watermark is durable enough to survive the intended use
of the image. The signal strength meter is available only for images containing digital watermarks that you yourself
have embedded.
of the image. The signal strength meter is available only for images containing digital watermarks that you yourself
have embedded.
Digimarc recommends that you check the signal strength meter before publishing your images. For example, if you
often compress watermarked images for inclusion in a website, check the meter before posting the images. You can
also use the signal strength meter to gauge the effectiveness of different Watermark Durability settings that you are
experimenting with.
often compress watermarked images for inclusion in a website, check the meter before posting the images. You can
also use the signal strength meter to gauge the effectiveness of different Watermark Durability settings that you are
experimenting with.
To check the signal strength meter
❖
Choose Filter > Digimarc > Read Watermark. The signal strength meter appears at the bottom of the dialog box.
You can also display the meter automatically by selecting Verify while embedding the watermark.
Preferences for saving files
To set file saving preferences
1
Do one of the following:
•
(Windows) Choose Edit > Preferences > File Handling.
•
(Mac OS) Choose Photoshop > Preferences > File Handling.
2
Set the following options:
Image Previews
Choose an option for saving image previews: Never Save to save files without previews, Always
Save to save files with specified previews, or Ask When Saving to assign previews on a file-by-file basis. In Mac OS,
you can select one or more preview types.
you can select one or more preview types.
File Extension (Windows)
Choose an option for the three-character file extensions that indicate a file’s format: Use
Upper Case to append file extensions using uppercase characters, or Use Lower Case to append file extensions using
lowercase characters.
lowercase characters.
Append File Extension (Mac OS)
File extensions are necessary for files that you want to use on or transfer to a
Windows system. Choose an option for appending extensions to file names: Never to save files without file exten
sions, Always to append file extensions to file names, or Ask When Saving to append file extensions on a file-by-file
basis. Select Use Lower Case to append file extensions using lowercase characters.
sions, Always to append file extensions to file names, or Ask When Saving to append file extensions on a file-by-file
basis. Select Use Lower Case to append file extensions using lowercase characters.
To toggle the Append File Extension option for a single file, hold down Option when you choose a file format in the
Save As dialog box.
Save As dialog box.
Mac OS image preview options
In Mac OS, you can select one or more of the following preview types (to speed the saving of files and minimize file
size, select only the previews you need).
size, select only the previews you need).
Icon
Uses the preview as a file icon on the desktop.
Full Size
Saves a 72-ppi version of the file for use in applications that can open only low-resolution Photoshop
images. For non-EPS files, this is a PICT preview.