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PDF 2.0 adds glTF model support

A new ISO extension to PDF 2.0 adds PDF support for the Khronos Group’s glTF 3D format.
About the author: The PDF Association staff delivers a vendor-neutral platform for PDF’s stakeholders, facilitating the development of open specifications and ISO standards for PDF technology. The staff are located in Germany, the … Read more

On April 1, 2024 the ISO published Technical Specification ISO/TS 32007:2004 Document management – Portable Document Format – RichMedia annotations conforming to glTF assets adding a new PDF 2.0 extension providing glTF 3D model support to PDF 2.0.

glTF is an open, royalty-free 3D asset delivery format designed and managed by the Khronos Group, a Standards Developing Organization (SDO). glTF 2.0 was published as the ISO/IEC 12113:2022 International Standard.

PDF 2.0 therefore now supports four 3D formats:

All four interactive 3D visualization model formats utilize PDF 2.0’s RichMedia annotation framework, but for PDF 1.6 and PDF 1.7 files only the U3D format is available for use with 3D annotations.

If your organization or documents could benefit from adopting glTF models in PDF then be sure to speak with your PDF vendor to confirm their support schedule for ISO/TS 32007.

Draft specifications for extensions to PDF 2.0 are available to members of the PDF Association through our Category A liaison with ISO for review and comment by technical developers. Developers can also discuss these extensions in the PDF Association's 3D PDF or RichMedia Technical Working Groups.


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