{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "accessor.schema.json",
    "title": "Accessor",
    "type": "object",
    "description": "A typed view into a buffer view that contains raw binary data.",
    "$ref": "glTFChildOfRootProperty.schema.json",
    "properties": {
        "bufferView": {
            "$ref": "glTFid.schema.json",
            "description": "The index of the bufferView.",
            "gltf_detailedDescription": "The index of the buffer view. When undefined, the accessor **MUST** be initialized with zeros; `sparse` property or extensions **MAY** override zeros with actual values."
        },
        "byteOffset": {
            "type": "integer",
            "description": "The offset relative to the start of the buffer view in bytes.",
            "minimum": 0,
            "default": 0,
            "gltf_detailedDescription": "The offset relative to the start of the buffer view in bytes.  This **MUST** be a multiple of the size of the component datatype. This property **MUST NOT** be defined when `bufferView` is undefined."
        },
        "componentType": {
            "description": "The datatype of the accessor's components.",
            "gltf_detailedDescription": "The datatype of the accessor's components.  UNSIGNED_INT type **MUST NOT** be used for any accessor that is not referenced by `mesh.primitive.indices`.",
            "anyOf": [
                {
                    "const": 5120,
                    "description": "BYTE",
                    "type": "integer"
                },
                {
                    "const": 5121,
                    "description": "UNSIGNED_BYTE",
                    "type": "integer"
                },
                {
                    "const": 5122,
                    "description": "SHORT",
                    "type": "integer"
                },
                {
                    "const": 5123,
                    "description": "UNSIGNED_SHORT",
                    "type": "integer"
                },
                {
                    "const": 5125,
                    "description": "UNSIGNED_INT",
                    "type": "integer"
                },
                {
                    "const": 5126,
                    "description": "FLOAT",
                    "type": "integer"
                },
                {
                    "type": "integer"
                }
            ]
        },
        "count": {
            "type": "integer",
            "description": "The number of elements referenced by this accessor.",
            "minimum": 1,
            "gltf_detailedDescription": "The number of elements referenced by this accessor, not to be confused with the number of bytes or number of components."
        },
        "max": {
            "type": "array",
            "description": "Maximum value of each component in this accessor.",
            "items": {
                "type": "number"
            },
            "minItems": 1,
            "maxItems": 16,
            "gltf_detailedDescription": "Maximum value of each component in this accessor.  Array elements **MUST** be treated as having the same data type as accessor's `componentType`. Both `min` and `max` arrays have the same length.  The length is determined by the value of the `type` property; it can be 1, 2, 3, 4, 9, or 16.\n\n`normalized` property has no effect on array values: they always correspond to the actual values stored in the buffer. When the accessor is sparse, this property **MUST** contain maximum values of accessor data with sparse substitution applied."
        },
        "min": {
            "type": "array",
            "description": "Minimum value of each component in this accessor.",
            "items": {
                "type": "number"
            },
            "minItems": 1,
            "maxItems": 16,
            "gltf_detailedDescription": "Minimum value of each component in this accessor.  Array elements **MUST** be treated as having the same data type as accessor's `componentType`. Both `min` and `max` arrays have the same length.  The length is determined by the value of the `type` property; it can be 1, 2, 3, 4, 9, or 16.\n\n`normalized` property has no effect on array values: they always correspond to the actual values stored in the buffer. When the accessor is sparse, this property **MUST** contain minimum values of accessor data with sparse substitution applied."
        },
        "normalized": {
            "type": "boolean",
            "description": "Specifies whether integer data values are normalized before usage.",
            "default": false,
            "gltf_detailedDescription": "Specifies whether integer data values are normalized (`true`) to [0, 1] (for unsigned types) or to [-1, 1] (for signed types) when they are accessed. This property **MUST NOT** be set to `true` for accessors with `FLOAT` or `UNSIGNED_INT` component type."
        },
        "sparse": {
            "$ref": "accessor.sparse.schema.json",
            "description": "Sparse storage of elements that deviate from their initialization value."
        },
        "type": {
            "description": "Specifies if the accessor's elements are scalars, vectors, or matrices.",
            "anyOf": [
                {
                    "const": "SCALAR"
                },
                {
                    "const": "VEC2"
                },
                {
                    "const": "VEC3"
                },
                {
                    "const": "VEC4"
                },
                {
                    "const": "MAT2"
                },
                {
                    "const": "MAT3"
                },
                {
                    "const": "MAT4"
                },
                {
                    "type": "string"
                }
            ]
        }
    },
    "dependentRequired": {
        "byteOffset": [ "bufferView" ]
    },
    "required": [ "componentType", "count", "type" ]
}