{ "$schema":                            "https://json-schema.org/draft/2020-12/schema",
  "$id":                                "https://schemas.mpai.community/OSD/V1.5/data/LiDARSceneDescriptors.json",
  "title":                              "LiDAR Scene Descriptors V1.5", "type": "object",
                                        "required": [ "Header", "LiDARSceneDescriptorsID", "LiDARSceneDescriptorsSpaceTime" ],
                                        "additionalProperties": false, "properties": {

    "Header":                           { "type": "string", "pattern": "^OSD-LSD-V[0-9]{1,2}[.][0-9]{1,2}$" },
    "MInstanceID":                      { "type": "string" },
    "LiDARSceneDescriptorsID":          { "type": "string" },
    "LiDARSceneDescriptorsSpaceTime":   { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpaceTime.json" },

    "ObjectCount":                      { "type": "integer" },
    "Objects":                          { "type": "array", "items": { "type": "object",
                                          "additionalProperties": false, "properties": {
      "ObjectSpaceTime":                { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpaceTime.json" },
      "ObjectIDOrObject":               { "$ref": "#/$defs/ObjectIDOrObject" } } } },

    "SubLiDARSceneCount":               { "type": "integer" },
    "SubLiDARScenes":                   { "type": "array", "items": { "type": "object",
                                          "additionalProperties": false, "properties": {
      "SubLiDARSceneSpaceTime":         { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpaceTime.json" },
      "SubLiDARSceneIDOrSubLiDARScene": { "$ref": "#/$defs/SubLiDARSceneIDOrSubLiDARScene" } } } },

    "BasicLiDARSceneOrLiDARScene":      { "$ref": "#/$defs/BasicLiDARSceneOrLiDARScene" },

    "DataXMData":                       { "$ref": "https://schemas.mpai.community/AIF/V3.0/data/DataExchangeMetadata.json" },
    "DescrMetadata":                    { "type": "string", "maxLength": 2048 } },

  "$defs":                              {

    "ObjectIDOrObject":                 { "type": "array", "minItems": 1, "maxItems": 1, "items": { "oneOf": [
                                          { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/LiDARObject.json" },
                                          { "type": "string" } ] } },

    "SubLiDARSceneIDOrSubLiDARScene":   { "type": "array", "minItems": 1, "maxItems": 1, "items": { "oneOf": [
                                          { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/LiDARSceneDescriptors.json" },
                                          { "type": "string" } ] } },

    "BasicLiDARSceneOrLiDARScene":      { "type": "array", "items": { "oneOf": [
                                          { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/BasicLiDARSceneDescriptors.json" },
                                          { "$ref": "#/$defs/BasicLiDARSceneOrLiDARScene" } ] } } } }