Universal Scene Description
From Just Solve the File Format Problem
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|subcat=3D and CAD/CAM Models | |subcat=3D and CAD/CAM Models | ||
|extensions={{ext|usd}}, {{ext|usda}}, {{ext|usdc}} | |extensions={{ext|usd}}, {{ext|usda}}, {{ext|usdc}} | ||
| + | |wikidata={{wikidata|Q60997373}} | ||
}} | }} | ||
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==File Identification== | ==File Identification== | ||
USDA files are plain ascii, while USDC are binary files. [[USDZ]] is a container for the format in a ZIP structure, used by Apple for 3D and AR applications<ref>https://medium.com/techinpieces/all-about-apples-new-usdz-file-format-simplified-12dff29f3fc0</ref>. | USDA files are plain ascii, while USDC are binary files. [[USDZ]] is a container for the format in a ZIP structure, used by Apple for 3D and AR applications<ref>https://medium.com/techinpieces/all-about-apples-new-usdz-file-format-simplified-12dff29f3fc0</ref>. | ||
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| + | USD & USDA files are text files and begin with the ascii <code>#usda 1.0</code><br> | ||
| + | USDC are binary files and begin with the hex values {{magic|5058522D55534443}} or <code>PXR-USDC</code> in ascii. | ||
==Sample Files== | ==Sample Files== | ||
Latest revision as of 23:14, 9 March 2021
Universal Scene Description is a framework developed by Pixar. Also known as Crate files. "It is a system for encoding scalable, hierarchically organized, static and time-sampled data, for the primary purpose of interchanging and augmenting the data between cooperating digital content creation applications."[1][2]
[edit] File Identification
USDA files are plain ascii, while USDC are binary files. USDZ is a container for the format in a ZIP structure, used by Apple for 3D and AR applications[3].
USD & USDA files are text files and begin with the ascii #usda 1.0
USDC are binary files and begin with the hex values 5058522D55534443 or PXR-USDC in ascii.
