Adobe InDesign CS4 Interactive Documents
As we move away from the days when the printed version of a document was always the definitive one, Adobe’s PDF format becomes more and more important. InDesign allows you to create PDF documents; you don’t need a separate copy of Acrobat for this purpose. In addition to creating the PDF, InDesign also allows you to make it interactive, thus enhancing the user experience of anyone who opens it. To ensure that the various interactive features are included in the PDF, you must activate the “Interactive Elements” option in the Export PDF dialog box.
There are five main kinds of interactivity which InDesign allows you to add to your PDFs: bookmarks, links, buttons, video and transitions. When viewing a PDF file in Acrobat or Acrobat Reader, bookmarks are named links which can be displayed in a panel on the left of your screen; clicking a bookmark takes you to the page to which that particular bookmark relates. Links and buttons are clickable hotspots which instigate an action of some sort, such as opening a web URL. QuickTime video can also be added to any page of a PDF file and transitions are useful when you want to create PDFs that can be viewed as presentations.
Bookmarks are normally generated automatically in InDesign and are linked to the table of contents feature. The table of contents definition window includes an option for creating bookmarks. If this is activated, InDesign will automatically create a bookmark corresponding to each item in the table of contents pointing to the appropriate page.
Links can also be generated from the table of contents. Each table of contents entry will automatically become a clickable link which will take the user to the corresponding page. In addition, InDesign has a button tool which allows you to create a button on any part of a page. Using the Button Options command, you can then specify what happens when the button is clicked. Thus, for example, you could create a button hotspot over your logo and specify that, when clicked, it will take the user to the home page of your company website.
Video is imported into InDesign using the Place command in the File menu. The only recognised format is QuickTime. Once the video clip has been placed, you can right-click it and choose Movie Options. Here, you can choose when the movie plays, whether it is embedded in the PDF file or referenced externally and whether the QuickTime controller will be visible.
The Transitions panel is new to InDesign CS4 and allows you to associate transitions with all pages or selected pages within the document. Simply highlight a selection of pages and then choose the desired transition. To apply the selected transition to all pages, choose the option Apply To All Spreads.
The The writer of this article is a training consultant with Macresource Computer Solutions, an independent computer training company offering Adobe InDesign Classes in London and throughout the UK.
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