1 Definition
An Item providing a list of U-Locations and corresponding M-Locations and/or Items with their Spatial Attitudes.
2 Functional Requirements
A Map includes a list composed of:
- U-LocationID and Metadata related to the U-LocationID.
- M-LocationID(s) and/or ItemIDs.
- Metadata related to the M-LocationID(s) and/or EntityIDs corresponding to the U-LocationID.
3 Syntax
https://schemas.mpai.community/MMM4/V2.0/data/UniverseMetaverseMap.json
4 Semantics
| Label | Size | Description |
| Header | N1 Bytes | Universe-Metaverse Map Header |
| – Standard – UniverseMetaverseMap | 9 Bytes | The characters “MMM-UMM-V” |
| – Version | N2 Bytes | Major version |
| – Dot-separator | 1 Byte | The character “.” |
| – Subversion | N3 Bytes | Minor version |
| MInstanceID | N4 Bytes | Identifier of M-Instance. |
| UEnvironmentID | N5 Bytes | Identifier of U-Environment. |
| MapData[] | N6 Bytes | Collection of Map elements. |
| – ULocationID | N7 Bytes | ID of specific U-Environment. |
| – MLocations[] | N8 Bytes | Corresponding M-Locations. |
| – MLocationID | N9 Bytes | ID of Corresponding M-Location |
| – Items[] | N10 Bytes | Items at M-LocationID |
| – ItemID | N11 Bytes | ID of an Item at M-LocationID |
| DescrMetadata | N12 Bytes | Descriptive Metadata. |