Go to MPAI-OSD Data Types

Definition Functional Requirements Syntax Semantics Conformance Testing Performance Assessment

1      Definition

A Data Type including the arrangement of the Offline Map Objects and the Offline Map Sub-Scenes in a scene.

2      Functional Requirements

An OfflineMap Scene Geometry instance must include:

  1. The OfflineMap Scene Geometry Header
  2. The ID of the OfflineMap Scene Geometry.
  3. The ID and the Space-Time information of the OfflineMap Objects in the OfflineMap Scene.
  4. The ID and the Space-Time information of the Sub-OfflineMap Scenes in the OfflineMap Scene.

An OfflineMap Scene Geometry instance may include:

  1. The ID of a Virtual Space (M-Instance) to which it refers.
  2. The ID of a U-Environment to which it refers.
  3. The Space-Time information of this OfflineMap Scene Geometry instance.
  4. Information about this OfflineMap Scene Geometry.
  5. Descriptive Metadata.

3      Syntax

https://schemas.mpai.community/OSD/V1.5/data/OfflineMapSceneGeometry.json

4      Semantics

Label Description
Header OfflineMap Scene Geometry Header – Standard “OSD-OSG-Vx.y”
MInstanceID Identifier of the M-Instance.
UEnvironment Identifier of the U-Environment.
OfflineMapSceneGeometryID ID of this OfflineMap Scene Geometry instance.
OfflineMapSceneGeometryTime Space and Time of OfflineMap Scene Geometry.
OfflineMapSceneGeometrySpaceTime Space and Time of OfflineMap Scene Geometry.
ObjectCount Number of Objects in OfflineMap Scene.
OfflineMapSceneObjects[] Set of Data related to OfflineMap Objects in the OfflineMap Scene.
– OfflineMapSceneObjectSpaceTime Space and Time of a OfflineMap Object in the OfflineMapScene.
– OfflineMapSceneObjectQualifier Qualifiers of the OfflineMap Object in the OfflineMap Scene.
SubOfflineMapSceneCount Number of Sub-OfflineMap Scenes in the OfflineMap Scene.
SubOfflineMapScenes[] Set of Data related to OfflineMap Objects in the OfflineMap Scene.
– SubOfflineMapSceneSpaceTime Space and Time of Sub-OfflineMap Scene in the OfflineMap Scene.
DataXMData Information on this OfflineMap Scene Geometry instance.
DescrMetadata Descriptive Metadata

5     Conformance Testing

A Data instance Conforms with OfflineMap Scene Geometry (OSD-OSG) if:

  1. The Data validates against the OfflineMap Scene Geometry’s JSON Schema.
  2. All Data in the  OfflineMap Scene Geometry’s JSON Schema
    1. Have the specified type
    2. Validate against their JSON Schemas
    3. Conform with their Data Qualifiers.

6     Performance Assessment