It is tremendously extensible, allowing users to customize data schemas, input and output formats, and methods for finding assets. It includes features necessary for scaling to large data sets like lazy loading and efficient retrieval of time-sampled data.
It supports not only the basics of virtual worlds like geometry, cameras, lights, and materials, but also a wide variety of relationships among them, including property inheritance, instancing and specialization. USD is a scene description: a set of data structures and APIs to create, represent, and modify virtual worlds. Open sourced in 2015, USD is now being used in a wide range of industries not only in media and entertainment, but also spanning architecture, engineering, design, manufacturing, retail, scientific computing, and robotics, among others. It is Universal Scene Description (USD)-an open and extensible ecosystem for describing, composing, simulating, and collaborating within 3D worlds, originally invented by Pixar Animation Studios. At NVIDIA, we believe the first version of that standard already exists. The most fundamental standard needed to create the metaverse is the description of a virtual world. No matter what the purpose of any individual site, what will make the entire metaverse a success will be the same thing that has made the 2D web so successful: universal interoperability based on open standards and protocols. Others will be designed for entertainment, socializing, gaming, learning, collaboration, or commerce. Many of these virtual worlds will be digital twins reflecting the real world, linked and synchronized in real time. Websites will become interconnected 3D spaces akin to the world we live in and experience every day. Instead of linking together 2D pages, the metaverse will link together virtual worlds. Now we find ourselves at the threshold of the web’s next major advancement: the advent of the 3D Internet or metaverse. Yet despite the fact that we live in a 3D world, the web remains overwhelmingly two-dimensional. The web has evolved from static documents to dynamic applications involving rich interactive media. The transformation is so complete that today, a quality web presence is vital for nearly all businesses, and interacting with the web is central to functioning effectively in the modern world. Over the past few decades, the Internet has fundamentally changed the world and set in motion an enormous transformation in the way we consume and share information.
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