1     Definition 2     Functional Requirements 3     Syntax
4     Semantics 5    Conformance Testing 6     Performance Assessment

1      Definition

Data Type representing the Spatial Attitude and Time information.

2      Functional Requirements

Space-Time includes Spatial Attitude and Time.

3      Syntax

https://schemas.mpai.community/OSD/V1.4/data/SpaceTime.json

4      Semantics

Label Size Description
Header N1 Bytes Space-Time Header
– Standard-Object 9 Bytes The characters “OSD-SPT-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
MInstance N4 Bytes Identifier of Virtual Space.
SpaceTimeID N5 Bytes Identifier of Space-Time.
Space N6 Bytes Spatial Attitudes at T0 and T1
Time N7 Bytes Time interval between T0 and T1
DescrMetadata N8 Bytes Descriptive Metadata

5     Conformance Testing

A Data instance Conforms with Space-Time (OSD-SPT) if:

  1. The Data validates against the Space-Time’s JSON Schema.
  2. All Data in the  Space-Time’s JSON Schema
    1. Have the specified type.
    2. Validate against their JSON Schemas.
    3. Conform with their Data Qualifiers if present.

6     Performance Assessment