1 Scope
This document specifies how to extend the ISO 32000‑2 specification by adding the ISO 10303‑242 (STEP AP 242) format as a valid format for 3D assets contained in a RichMedia annotation. It is
intended for:
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— developers of software that creates PDF files (PDF writers);
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— software that reads existing PDF files and usually interprets their contents for display (PDF readers);
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— software that reads and displays PDF content and interacts with the computer users to possibly modify and save the PDF file (PDF processors);
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— PDF products that read and/or write PDF files for a variety of other purposes (PDF processors).
NOTE PDF writers and PDF readers are more specialised classifications of PDF processors.
This document does not specify the following:
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— specific processes for converting paper or electronic documents to the PDF file format;
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— specific technical design, user interface implementation, or operational details of rendering;
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— specific physical methods of storing these documents such as media and storage conditions;
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— methods for validating the conformance of PDF files or PDF processors;
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— required computer hardware and/or operating system.