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PDF20 Spec 12 General
Part of: PDF20-Spec-12-Interactive
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Interactive features
12.1 General This clause describes the PDF features that allow a user to interact with a document on the screen (with the exception of multimedia features, which are described in 13, "Multimedia features"): •
Preference settings to control the way the document is presented on the screen (12.2, "Viewer preferences")
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Navigation facilities for moving through the document in a variety of ways (subclauses 12.3, "Document-level navigation" and 12.4, "Page-level navigation")
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Annotations for adding text notes, links, rich media and other ancillary information to the document (12.5, "Annotations")
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Actions that can be triggered by specified events (12.6, "Actions")
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Interactive forms for gathering information from the user (12.7, "Forms")
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Digital signatures that authenticate the identity of a user and the validity of the document’s contents (12.8, "Digital signatures")
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Measurement properties that enable the display of real-world units corresponding to objects on a page (12.9, "Measurement properties")
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A geospatial coordinate system is introduced in subclause 12.10, "Geospatial features" along with a number of PDF constructs to support geospatially registered content.
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Subclause 12.11, "Document requirements" describes how a document may specify requirements that an interactive PDF processor should satisfy in order for the document to function as intended by the author.
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