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was placed into the Adobe Illustrator file, the ball
appeared without blocking the surrounding por-tions
of the Illustrator image.
Ball selected
Selection defined as a Clipping path imported
clipping path into Adobe Illustrator
Creating a clipping path
You specify a saved path as a clipping path.
To save a path as a clipping path:
1 Create and save a path or convert an existing
selection into a path. For more information, see
“Creating paths” on page 156 and “Converting
selection borders into paths” on page 168.
2 Choose Clipping Path from the Paths palette
menu.
3 For Path, choose the path you want to save.
4 If necessary, enter a flatness value.
The PostScript interpreter creates curved seg-ments
by linking a series of straight line segments.
The flatness setting for a clipping path determines
how closely the straight line segments approxi-mate
the curve. The lower the flatness value, the
greater is the number of straight lines used to draw
the curve and the more accurate the curve.
Flatness: 0.5 Flatness: 30
Values can range from 0.2 to 100. In general, a flat-ness
setting from 8 to 10 is recommended for high-resolution
printing (1200 dpi to 2400 dpi); a set-ting
from 1 to 3 is recommended for low-resolu-tion
printing (300 dpi to 600 dpi). When the flat-ness
value is blank, the image is printed using the
printer’s default setting.
5 Click OK.
If you plan to print the file using process colors,
convert the file to CMYK mode. See “Converting
to CMYK” on page 99 for a discussion of this
mode.
6 Save the file in Photoshop EPS format.
To achieve the best display quality when you
export the image, use an 8-bit preview option. If
you’re using a Macintosh and want to share the
image with a Windows user, use a TIFF preview
option. For more information, see “Saving files in
Photoshop EPS format” on page 309.
CHAPTER 13 324
Saving and Exporting Images
Printing clipping paths
You may encounter unexpected results when
printing an image containing clipping paths if the
imagesetter has difficulty interpreting the clipping
paths or if the paths are too complex to print.
If your printer generates a Limitcheck error or a
general PostScript error, the clipping path may be
too complex to print. You may be able to print a
complex path on a low-resolution printer without
difficulty, but you may run into problems when
printing the same path on a high-resolution
printer. That is because a low-resolution printer
uses fewer line segments to describe curves than
does a high-resolution printer, thus automatically
simplifying the path. You can simplify clipping
paths by reducing the number of anchor points on
the path.
To simplify a clipping path:
1 Select the path in the Paths palette and click the
Make Selection button at the bottom of the palette
to convert the path to a selection.
2 Click the Trash button at the bottom of the
palette to delete the original path.
3 Choose Make Work Path from the Paths palette
menu, and increase the tolerance setting (4 to 6
pixels is a good starting point).
4 Save and name the work path.
Exporting paths to Adobe Illustrator
The Paths to Illustrator module lets you export
pen tool paths as Adobe Illustrator files. This
feature makes it easier to work with combined
Photoshop and Illustrator artwork or to use
Photoshop features on Illustrator artwork. For
example, you might want to export a pen tool path
and stroke it to use as a trap with a Photoshop clip-ping
path that you are printing in Illustrator. You
can also use this feature to align Illustrator text or
objects with Photoshop paths.
To use the Paths to Illustrator module:
1 In Adobe Photoshop, create a path or convert an
existing selection into a path; then save the path.
See “Creating paths” on page 156 and “Converting
selection borders into paths” on page 168 for more
information.
2 Choose File > Export > Paths to Illustrator.
3 Choose a location for the exported path. On the
Macintosh, for Write, choose the path you want to
export.
4 Click Save. This saves the path in a file you can
use in Adobe Illustrator.
5 Open the path in Adobe Illustrator as a new file.
You can now manipulate the path or use the path
to align Adobe Illustrator objects.
Note that the crop marks in Adobe Illustrator
reflect the dimensions of the Adobe Photoshop
image. The position of the path within the Adobe
Photoshop image is maintained, provided that you
don’t change the crop marks or move the path.
Embedding Photoshop images in word-processor
applications (Macintosh only)
Adobe Photoshop supports the Edit Graphic
Object (EGO) AppleEvent, which allows the
embedding of Adobe Photoshop images in word-processor
files. EGO is a simpler alternative to the
325
Publish and Subscribe features when a word-pro-cessor
file has many small images that need to be
updated.
Word-processor applications that work with EGO
include Full Write Professional ™ , Nisus, MacWrite
Pro ® , WordPerfect ® , and Claris ® Wor ks ™ .
To use the Edit Graphic Object (EGO) AppleEvent to
update images in word-processor files:
1 Paste the Photoshop image into your word-processor
file.
2 Double-click the image in your word-processor
application to launch Adobe Photoshop (if it is not
already running) and open the image for editing.
3 When you have finished making changes, close
the Photoshop file to update the image in your
word-processor application.
Publishing and subscribing (Macintosh
only)
You can use the Publish and Subscribe feature to
share Photoshop data dynamically with other
Macintosh applications. For example, you can
publish a Photoshop image placed in a page layout
file and then subscribe to the Photoshop image
from the page layout file: any modifications that
you make to the Photoshop image are then auto-matically
updated in the page layout file when you
save the image. You can also choose to manually
update the published images.
Note: Adobe Photoshop publishes in PICT,
Photoshop EPS, and TIFF formats. Files published as
Photoshop EPS files are saved in binary format.
To publish a Photoshop image:
1 Open the image that you want to publish, and
choose Edit > Create Publisher.
2 Type a name for the published image (called an
edition), specify its location, and choose PICT,
Photoshop EPS, or TIFF, depending on the format
required by the subscribing application.
3 Click Publish.
4 Open the file into which you want to place the
Photoshop image, click to set an insertion point,
and choose Edit > Subscribe To to subscribe to the
published image. See your subscribing applica-tion’s
documentation for more information on
using the Subscribe feature.
Each time you save the published Photoshop
image, the image is automatically updated in any
applications that subscribe to that image. If you
don’t want your published image to be updated
automatically, you can change to manual updat-ing.
To specify manual updating of published images:
1 In Adobe Photoshop, choose Edit > Publisher
Options.
2 Click Manually; then click OK. The image is
now updated only when you click Send Publisher
Now in the Publisher Options dialog box.
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