Adobe InDesign CC 2015 User Manual download pdf (Page 515)

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Transparency

Last updated 6/6/2015

To prevent problems in these cases, use the Ink Manager to convert spot colors to process color equivalents as necessary

prior to exporting from InDesign. Another way to prevent problems is to make sure that your spot inks are consistent

in both the original application (for example, Adobe Illustrator) and InDesign. This may mean that you’ll need to open

an Illustrator document, convert a spot color to process color, export it again to EPS, and then place the EPS file in your

InDesign layout.

Adobe PDF files

Exporting to Acrobat 4.0 (Adobe PDF 1.3) always flattens a document with transparency, which may affect the

appearance of its transparent objects. Nontransparent content is not flattened unless Simulate Overprint is selected in

the Output area of the Export Adobe PDF dialog box. Therefore, when you export an InDesign document with

transparency to Adobe PDF, do any of the following:

• Whenever possible, choose Acrobat 5.0 (Adobe PDF 1.4), Acrobat 6.0 (Adobe PDF 1.5), or Acrobat 7.0 (Adobe PDF

1.6) compatibility in the Export Adobe PDF dialog box to preserve transparency in a live and fully editable form.

Make sure that your service provider can handle Acrobat 5.0, Acrobat 6.0, or Acrobat 7.0 files.

• If you must use Acrobat 4.0 compatibility, your document contains spot colors, and you want to create a PDF file for

on-screen viewing (such as a client review), you may want to select the Simulate Overprint option in the Output area

of the Export Adobe PDF dialog box. This option properly simulates the spot and transparent areas; recipients of

the PDF file won’t have to select Overprint Preview in Acrobat to see how the document will look when printed.

However, the Simulate Overprint option converts all spot colors to process color equivalents in the resulting PDF

file, so be sure to deselect this option when you create the PDF for final production.

• Consider using the predefined [Press Quality] Adobe PDF preset. This preset contains flattener settings appropriate

for complex documents intended for high-resolution output.

Trapping

Flattening may convert vectors to rasterized areas. Traps applied to artwork in Adobe Illustrator using strokes and

placed in InDesign will be preserved. Traps applied to vector artwork drawn in InDesign and then rasterized may not

be preserved.

To keep as many objects vector as possible, select the [High Resolution] transparency flattener preset in the Advanced

area of the Print or Export Adobe PDF dialog box.

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Adobe InDesign CC 2015 User Manual Page 515

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