Adobe 5.5 Design Standard Bedienungsanleitung PDF herunterladen (Seite 13)

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Adobe Creative Suite 5 Printing Guide 11

in the workflow, and the desired results can be achieved even via

printing such PDF files with live transparency to PostScript RIPs directly

from Adobe Acrobat Pro. Print workflows which utilize the Adobe PDF

Print Engine can maintain live transparency effects all the way through

to final rendering. This provides a high degree of confidence that the

printed jobs will reproduce with a high degree of fidelity to the

designer’s intent.

InDesign, Illustrator, and Photoshop create and support opacity and

blending mode attributes for content, and PDF files compatible with

Acrobat 5.0 and later can contain live, unflattened transparency. PDF

files compatible with Acrobat 4.0 and earlier cannot have live

transparency; such content is flattened into opaque objects in the PDF.

Flaened and Unaened Transparency

Objects in an unaened PDF (center; pulled apart to show intact live transparency) remain

intact, and transparency is still live. But a PDF/X-1a le requires aened transparency,

which results in many opaque, separate “atomic regions” (right; showing atomic regions).

While the requirements of your own workflow dictate some parts of

your approach to imaging transparency, here are some general,

beneficial guidelines for you and your customers:

•If possible, place text and vector content higher in stacking order than

objects using transparency. For example, move a text frame in InDe-

sign so that it is positioned above a placed Photoshop le that is

silhoueed with so-edged transparency. is can be accomplished

by changing the stacking order of objects, or by moving the text frame

to a higher layer. Of course, if this would alter the design, it may not be

an option.

•Keep transparency live as long as possible. Rather than aening a

layered Photoshop le to a single layer, keep the layers intact and save

the le as a native Photoshop le (.psd). Use Illustrator native (.ai) les

rather than saving artwork in the EPS format, which aens transpar-

ency. When creating PDFs from documents containing live transpar-

ency, use a PDF format (compatible with Acrobat 5.0 or later, such as

PDF/X-4 that supports live transparency, if your workow supports

such PDF les.

•If your workow system requires that transparency be aened, you

may want to create a customized transparency aener preset and

share it with your customers. e High Resolution aener preset is

satisfactory for most circumstances, but you may wish to create a

custom aener preset that uses a Line Art and Text Resolution

seing in keeping with the resolution of your RIP. For example, if your

plateseer uses a 2400 dpi resolution, create a custom preset using

that resolution. You also have the option to convert all text and

strokes to outlines in the interest of consistency across aened and

unaened areas, but this option may result in larger le sizes in the

PDF or EPS les produced, and renders text uneditable.

Transparency Flaener Presets

While the High Resolution aener preset (le) is usually sucient, you may wish to create a

custom preset that incorporates a Line Art and Text Resolution that matches the resolution

of your RIP (right). You also have options to convert text or strokes to outlines.

•Use the Flaener Preview feature, available in Illustrator, InDesign, and

Acrobat, to highlight areas in artwork that will be aected by aen-

ing. In InDesign and Illustrator, use the preview as a guide to help you

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