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Changing Layer Visibility in an Interactive PDF

I've posted a few times about creating interactive PDF files?particularly how to employ InDesign's powerful button characteristic for creating interactivity. Start, I posted well-nigh how creating buttons got easier in InDesign CS4 (and CS5). So, I posted well-nigh showing and hiding objects in interactive PDF. Finally, I added some other PDF button tips.

Only today in the Adobe InDesign Forum, I came upon this question:

I have a serial of buttons that reveal hidden graphics. One of those hidden graphics is a background layer, in a separate layer, that should appear when a button is clicked. Information technology is showing upwards, just in forepart of all other content, even though the layer is in the background. I have aught else on the groundwork layer. Too, the preview in InDesign shows this working properly, it's the exported Interactive PDF that is having problems. Any suggestions?

Show/hibernate buttons tin can let you prove and hide objects which take themselves been turned into buttons. Just, in InDesign, show/hide buttons cannot control the visibility of layers. I think information technology'southward considering of the way buttons are handled in a PDF file. They are treated as a split up "layer" above the "content" of the PDF file. (The Preview console in InDesign CS5 is more often than not accurate in previewing SWF output, not PDF, because information technology uses InDesign's new Flash capabilities.)

However, yous can change the layer visibility of a PDF file, you just tin't do it in InDesign lone. You lot likewise have to make use of the layer controls in Acrobat. And then hither's a simple example which has three layers?a yellowish groundwork, text, and a graphic. We'd like to turn the groundwork on and off with a push.

Three layers

More than after the jump! Continue reading beneath ↓
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Nosotros'll create the buttons in InDesign considering it lets you turn virtually whatsoever artwork into a button. For my unproblematic example, I'll include a descriptive label "Background On" or "Background Off." While it's not required, nosotros'll put the objects which will become buttons on an Interactivity layer.

Interactivity Layer

To turn each of them into a button, open the Buttons panel. Just select the object, and click Normal in the Land Appearance section of the panel. (You could add a Rollover advent, simply nosotros'll keep this simple.) Nosotros won't prepare an Action.

Create Button - No Action

Since layer visibility isn't a button Action we can set in InDesign, nosotros'll side by side export our document to create an interactive PDF file. How we exercise this depends on which version of InDesign you're using. In InDesign CS4 and earlier, choose File > Export,  select Adobe PDF in the Format carte, and click Salve. In the Consign Adobe PDF dialog box, there are three things required:

1. Y'all must set Compatibility to Acrobat 6 or afterwards (considering PDF layers simply became bachelor in that version 6).
2. You lot must bank check Create Acrobat Layers.
3. Yous must cheque Interactive Elements (and so the buttons volition become part of the PDF file).

InDesign CS5 how has ii dissimilar paths for creating PDF files?Print and Interactive. To include buttons in a file, we must choose File > Export, select Adobe PDF (Interactive) in the Format carte du jour, and click Save. Then y'all'll see the new dialog box beneath. All yous have to select is Create Acrobat Layers, and accept the other defaults.

CS5 Interactivity Consign

In Acrobat (you lot must have Acrobat 6 or later), open the Layers panel to view your layers. In Acrobat nine, cull View > Navigation Panes > Layers. In Acrobat Ten, choose View > Show/Hide > Navigation Panes > Layers. You'll besides need to make bachelor the Select Object tool. In Acrobat nine, choose Tools > Advanced Editing > Select Object Tool. In Acrobat X, open up the Content section under Tools at the upper right. When you choose this tool, you'll be able to piece of work with the buttons y'all created in  InDesign. In the illustration below from Acrobat ix, I've circled the Layers panel and the Select Object tool. Notice the buttons are highlighted below.

Layers in Acrobat

The Layers console works the aforementioned in Acrobat as it does in InDesign. You can click the eyes on and off to brand layers visible. We want to utilize each button to control the visibility of the layers to go far easier for a viewer.

First turn all the layers on (the default) so the background is showing. Then select the Background On button with the Select Object tool. Double-click on the button to open the Push Properties dialog. Click on the Actions tab. In the Select Activeness bill of fare, choose Ready layer visibility. When you click Add, the Layer Visibility activity will be divers, showing exactly the layers which are currently visible.

Prepare Layer Visibility

Now, plow off the Background Layer on the Layers console, so the background is not visible. Select the Background Off button, and double-click. Repeat the same choices as before.

Background Off

It would be a neat addition to the adjacent version of InDesign, to add together layer visibility to InDesign's button actions so you don't have to do these extra steps in Acrobat!

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Source: https://creativepro.com/changing-layer-visibility-in-an-interactive-pdf/

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