{ "$id":                          "https://schemas.mpai.community/TFA/V1.5/data/VisualQualifier.json",
  "$schema":                      "https://json-schema.org/draft/2020-12/schema",

  "title":                        "Visual Qualifier V1.5",
                                  "description": "Characteristics, structure, formats, and metadata of visual data.",
                                  "type": "object", "required": [ "Header", "VisualQualifierID", "SubType", "Format", "Trace" ], 
                                  "additionalProperties": false, "properties": {

    "Header":                     { "type": "string", "pattern": "^TFA-VIQ-V[0-9]{1,2}[.][0-9]{1,2}$" },

    "VisualQualifierID":          { "type": "string" },

    "SubType":                    { "type": "object", "additionalProperties": false, "properties": {

      "ColourFormat":             { "$ref": "https://schemas.mpai.community/TFA/V1.5/formats/ColourFormats.json" },

      "AlphaChannel":             { "type": "number", "minimum": 0, "maximum": 1 },

      "Brightness":               { "type": "number" },

      "ColourSubsampling":        { "type": "string", "enum": [ "4:4:4", "4:2:2", "4:2:0", "4:1:1" ] },

      "YUV":                      { "type": "string",
                                    "enum": [ "Y'UV", "Y'PbPr", "Y'CbCr", "YDbDr", "Y'IQ" ] },

      "CMYK":                     { "type": "string" } } },

    "Format":                     { "type": "object", "additionalProperties": false, "properties": {

      "Content":                  { "type": "object", "additionalProperties": false, "properties": {

        "TimeSampling":           { "type": "object", "additionalProperties": false, "properties": {

          "Precision":            { "type": "array", "items": { "type": "object", "additionalProperties": false, "properties": { "bits-per-pixel": 
                                  { "type": "integer" } } } },

          "Time":                 { "type": "number" },

          "Space":                { "type": "number" } } },

        "2D":                     { "type": "object", "additionalProperties": false, "properties": {

          "Static":               { "$ref": "https://schemas.mpai.community/TFA/V1.5/formats/Visual2DStaticFormats.json" },

          "Dynamic":              { "type": "object", "additionalProperties": false, "properties": {
            "OtherContentFormat": { "$ref": "https://schemas.mpai.community/TFA/V1.5/formats/Visual2DDynamicFormats.json" } } } } },

        "3D":                     { "type": "object", "additionalProperties": false, "properties": {

          "Static":               { "type": "object", "additionalProperties": false, "properties": {
            "MPAIContentFormat":  { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/BoundingBox.json" },
            "OtherContentFormats":{ "$ref": "https://schemas.mpai.community/TFA/V1.5/formats/Visual3DStaticFormats.json" } } },

          "Dynamic":              { "type": "object", "additionalProperties": false, "properties": {
            "OtherContentFormats":{ "$ref": "https://schemas.mpai.community/TFA/V1.5/formats/Visual3DDynamicFormats.json" } } } } } } },

      "Transport":                { "type": "object", "additionalProperties": false, "properties": {

        "FileFormat":             { "$ref": "https://schemas.mpai.community/TFA/V1.5/formats/VisualFileFormats.json" },

        "StreamFormat":           { "$ref": "https://schemas.mpai.community/TFA/V1.5/formats/VisualStreamFormats.json" } } } } },

    "Attributes":                 { "type": "object", "additionalProperties": false, "properties": {

      "Source":                   { "type": "object", "additionalProperties": false, "properties": {

        "Real":                   { "type": "string", "enum": [ "Raster" ] },

        "Synthetic":              { "type": "string", "enum": [ "Raster", "Vector" ] } } },

      "Metadata":                 { "$ref": "https://schemas.mpai.community/TFA/V1.5/formats/VisualMetadataFormats.json" },

      "ObjectID":                 { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/InstanceIdentifier.json" },

      "EntityInternalStatus":     { "$ref": "https://schemas.mpai.community/MMC/V2.4/data/PersonalStatus.json" },

      "Device":                   { "type": "object", "additionalProperties": false, "properties": {

        "DeviceID":               { "type": "string" },

        "DeviceGeometry":         { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/DeviceSceneGeometry.json" } } } } },

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