ISO/IEC 19775-1:2013

Information technology - Computer graphics, image processing and environmental data representation - Extensible 3D (X3D) - Part 1: Architecture and base components

ISO/IEC 19775, X3D, defines a software system that integrates network-enabled 3D graphics and multimedia. Conceptually, each X3D application is a 3D time-based space that contains graphic and aural objects that can be dynamically modified through a variety of mechanisms. ISO/IEC 19775-1:2013 defines the architecture and base components of X3D.

The semantics of X3D describe an abstract functional behaviour of time-based, interactive 3D, multimedia information. ISO/IEC 19775-1:2013 does not define physical devices or any other implementation-dependent concepts (e.g. screen resolution and input devices). It is intended for a wide variety of devices and applications, and provides wide latitude in interpretation and implementation of the functionality. For example, it does not assume the existence of a mouse or 2D display device.

Each X3D application:

1. implicitly establishes a world coordinate space for all objects defined, as well as all objects included by the application;
2. explicitly defines and composes a set of 3D and multimedia objects;
3. can specify hyperlinks to other files and applications;
4. can define programmatic or data-driven object behaviours;
5. can connect to external modules or applications via programming and scripting languages;
6. explicitly declares its functional requirements by specifying a profile;
7. can declare additional functional requirements by specifying components.

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