| 1. Definition | 2. Functional Requirements | 3. Syntax | 4. Semantics |
1. Definition
The ensemble of Real-time Data from the Virtual Environment converted to the internal XRV format.
2. Functional Requirements
2.1 Performance Data
Performance Data includes data describing all elements of the entire Virtual Environment Scene (including terrain, foliage, architectural structures, performers’ avatars, autonomous avatars) and their properties (Spatial Attitudes, animations, lighting, textures/materials, and effects).
2.2 Participants Data
Participants Data includes data describing participants’ avatars and their properties (Spatial Attitudes, animations, lighting, textures/materials, and effects).
3.3 Operator Data
Operator Data includes data from remote show operators acting on the metaverse.
3. Syntax
4. Semantics
| Label | Size | Description |
| Header | N1 Bytes | Header |
| – Standard- | 9 Bytes | The characters “CAE-ECS-V” |
| – Version | N2 Bytes | Major version – 1 or 2 characters |
| – Dot-separator | 1 Byte | The character “.” |
| – Subversion | N3 Bytes | Minor version – 1 or 2 characters |
| MInstanceID | N4 Bytes | Identifier of M-Instance. |
| ID | N5 Bytes | Identifier of |
| SpaceTime | N7 Bytes | Space-Time info of CogState. |
