1 Definition
An Object with Visual perceptibility attributes.
2 Functional Requirements
A Visual Object supports:
- The ID of a Virtual Space (M-Instance) where it is or is intended to be located.
- The ID of the Visual Object.
- The ID(s) of Parent Object(s) supporting two cases:
- The Parent Object has spawned two (or more) Objects.
- Two (or more) Parent Objects have merged into one.
- The Visual Object-specific Data:
- The ID of Visual Object Data Format.
- The length in Bytes of the Visual Object.
- The URI of the Data of the Visual Object.
- The Visual Object Space-Time Attributes.
- The Visual Object Attributes:
- The ID of Visual Object Attributes’ Data Formats.
- The length in Bytes of the Visual Object Attributes.
- The URI of the Data of the Visual Object Attributes.
3 Syntax
https://schemas.mpai.community/OSD/V1.1/data/VisualObject.json
4 Semantics
Label | Size | Description |
Header | N1 Bytes | |
· Standard-Visual Object | 9 Bytes | The characters “CAE-VOB-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. |
VisualObjectID | N5 Bytes | Identifier of the Visual Object. |
ParentVisualObjects | N6 Bytes | Identifier(s) of Parent Visual Objects. |
VisualObjectData | N7 Bytes | Data associated to Visual Object. |
· VisualObjectFormatID | N8 Bytes | Visual Object Format Identifier |
· VisualObjectLength | N9 Bytes | Number of Bytes in Visual Object |
· VisualObjectDataURI | N10 Bytes | URI of Data of Visual Object |
VisualObjectSpaceTimeAttributes | N11 Bytes | Space-Time of Visual Object |
VisualObjectAttributes[] | N14 Bytes | Attributes of Visual Object |
· VisualObjectAttributeID | N15 Bytes | ID of Attribute of Visual Object |
· VisualObjectAttributeFormatID | N16 Bytes | ID of Attribute Format of Visual Object |
· VisualObjectAttributeLength | N17 Bytes | Number of Bytes in Visual Object |
· VisualObjectAttributeDataURI | N18 Bytes | URI of Data of Visual Object |
DescrMetadata | N19 Bytes | Descriptive Metadata |