ISO/IEC 19775-2:2015 Information technology -- Computer graphics, image processing and environmental data representation -- Extensible 3D (X3D) -- Part 2: Scene access interface (SAI)
ISO/IEC 19775-2:2015 specifies a standard set of services that are made available by a browser so that an author can access the scene graph while it is running. Such access is designed to support inspection and modification of the scene graph.