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487
ADOBE ILLUSTRATOR CS2
User Guide
Select Preserve Spot Colors And Overprints (Flatten Transparency dialog box only)
Generally preserves spot colors.
It also preserves overprinting for objects that are not involved in transparency. Select this option if you are printing
separations and the document contains spot colors and overprinted objects. Deselect this option when saving files
for use in page-layout applications. With this option selected, overprinted areas that interact with transparency are
flattened, while overprinting in other areas is preserved. The results are unpredictable when the file is output from a
page-layout application.
To preview which areas of artwork will be flattened
1
In the Flattener Preview palette, select the flattening settings you want to use, either by choosing a preset or setting
specific options. (See “Transparency flattening options” on page 486.)
If the flattening settings aren’t visible, select Show Options from the palette menu to display them.
2
If the artwork contains overprinted objects that interact with transparent objects, select an option from the
Overprints menu. You can preserve, simulate, or discard overprints.
3
Click Refresh. Depending on the complexity of your artwork, it may take a few seconds for the preview image to
appear.
4
From the Highlight menu, select the kind of areas you want to highlight. For example, you can highlight all trans
parent objects, all areas that will be affected by flattening, and so on. (See “Highlight options (Flattener Preview
palette)” on page 487.)
5
Preview the areas that will be affected by flattening at the bottom of the palette.
To magnify the preview, click in the preview area. To zoom out, Alt-click (Windows) or Option-click (Mac OS) in the
preview area. To pan the preview, hold down the spacebar and drag in the preview area.
See also
“About overprinting” on page 490
Highlight options (Flattener Preview palette)
None (Color Preview)
Shows a color preview of the artwork without highlighting anything. This option is automat
ically chosen whenever any other choice in the Highlight menu is invalid because you’ve changed the artwork or
transparency flattening settings.
Rasterized Complex Regions
Highlights the areas that will be rasterized for performance reasons (as determined by
the Rasters/Vectors slider). Keep in mind that the boundary of the highlight area has a higher probability of
producing stitching problems (depending on the print-driver settings and the rasterization resolution). Select the
Clip Complex Regions option to minimize stitching problems.
Transparent Objects
Highlights the objects that are sources of transparency, such as objects with partial opacity
(including images with alpha channels), objects with blending modes, and objects with opacity masks. In addition,
graphic styles and effects may contain transparency, and overprinted objects may be treated as sources of trans
parency if the overprint needs to be flattened.
All Affected Objects
Highlights all objects that are involved in transparency, including transparent objects and
objects that are overlapped by transparent objects. The highlighted objects will be affected by the flattening process—
their strokes or patterns will be expanded, portions of them may get rasterized, and so on.
Affected Linked EPS Files
Highlights all linked EPS files that are affected by transparency.
Expanded Patterns
Highlights all patterns that will be expanded because they are involved in transparency.
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