X3D provides a presentation layer (a scene graph) to display animated, interactive 3D models from multiple including images, audio, videos, and gltF into web applications. The presentation pipeline is supported by X3D4 to make native authoring and use of X3D models fully integrated with HTML5.

It is possible to programmatically control the X3D scene using any of the APIs. The Consortium has documented an abstract API (X3D SAI) and five language-specific bindings. The list below describes the available documents

• Abstract specification (SAI) - ISO/IEC 19775-2
• ECMAscript (JavaScript) Language Binding - ISO/IEC 19777-1
• Java Language Binding - ISO/IEC 19777-2
• C Language Binding - ISO/IEC 19777-3
• C++ Language Binding - ISO/IEC 19777-4
• C# Language Binding - ISO/IEC 19777-5

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