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9.5. 3D Artwork

PDF 1.6 introduces the capability for collections of three-dimensional objects, such as those used by CAD software, to be embedded in PDF files. Such collections are often called 3D models; in the context of PDF, they are referred to as 3D artwork. The PDF constructs for 3D artwork support the following features:

  • 3D artwork can be rendered within a page; that is, not as a separate window or user interface element.

  • Multiple instances of 3D artwork can appear within a page or document.

  • Specific views of 3D artwork can be available, including a default view that is displayed initially and other views that can be selected. Views may have names that can be presented in a user interface.

  • Two-dimensional (2D) content can be overlayed on 3D artwork.

  • Pages containing 3D artwork can be printed.

  • Users can rotate and move the artwork, enabling them to examine complex objects from any angle or orientation.

  • JavaScripts and other software can programmatically manipulate objects in the artwork, creating dynamic presentations in which objects move, spin, appear, and disappear. The Acrobat JavaScript Scripting Reference (see the Bibliography) describes the JavaScript interface to 3D annotations.


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