accessor.schema.json

{
    "$schema" : "http://json-schema.org/draft-03/schema",
    "title" : "accessor",
    "type" : "object",
    "description" : "A typed accessor into a buffer-view.",
    "extends" : { "$ref" : "glTFChildOfRootProperty.schema.json" },
    "properties" : {
        "bufferView" : {
            "extends" : { "$ref" : "glTFid.schema.json" },
            "description" : "The id (JSON property name) of the buffer-view.",
            "required" : true
        },
        "byteOffset" : {
            "type" : "integer",
            "description" : "The offset relative to the buffer-view in bytes.  Must be a multiple of the size of the data type.  WebGL: see vertexAttribPointer() offset parameter.",
            "minimum" : 0,
            "required" : true
        },
        "byteStride" : {
            "type" : "integer",
            "description" : "The stride, in bytes, between attributes referenced by this accessor.  When 0, the attributes are tightly packed.  WebGL: see vertexAttribPointer() stride parameter.",
            "minimum" : 0,
            "maximum" : 255,
            "default" : 0
        },
        "componentType" : {
            "type" : "integer",
            "description" : "Valid values are BYTE (5120), UNSIGNED_BYTE (5121), SHORT (5122), UNSIGNED_SHORT (5123), FLOAT (5126).  Corresponding typed arrays: Int8Array, Uint8Array, Int16Array, Uint16Array, and Float32Array.",
            "enum" : [5120, 5121, 5122, 5123, 5126],
            "required" : true
        },
        "count" : {
            "type" : "integer",
            "description" : "The number of attributes referenced by this accessor, not to be confused with the number of bytes or number of components.",
            "minimum" : 1,
            "required" : true
        },
        "type" : {
            "type" : "string",
            "description" : "Specifies if the attribute is a scale, vector, or matrix.",
            "enum" : ["SCALAR", "VEC2", "VEC3", "VEC4", "MAT2", "MAT3", "MAT4"],
            "required" : true
        },        
        "max" : {
            "type" : "array",
            "description" : "Maximum value of each component in this attribute.",
            "items" : {
                "type" : "number"
            }
        },
        "min" : {
            "type" : "array",
            "description" : "Minimum value of each component in this attribute.",
            "items" : {
                "type" : "number"
            }
        }
    },
    "additionalProperties" : false
}