{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "definitions": {
    "hwSerialNumber": {
      "description": "Hardware serial number.",
      "type": "integer"
    },
    "hwVersion": {
      "description": "Hardware version.",
      "type": "integer"
    },
    "testVersion": {
      "description": "Version used for this test.",
      "type": "integer"
    },
    "time": {
      "description": "Time stamp in time_t (time_t base time is the number of seconds from midnight, January 1, 1970).",
      "type": "number"
    },
    "width": {
      "description": "The width of the measured fabric.",
      "type": "number"
    },
    "length": {
      "description": "The length of the measured fabric.",
      "type": "number"
    },
    "samplesTree": {
      "description": "The measurement's raw data: pairs of distance and force.",
      "type": "array",
      "items": {
        "type": "array",
        "items": {
          "type": "number"
        }
      }
    },
    "measurementPart": {
      "type": "object",
      "properties": {
        "freq": {
          "description": "The sampling rate of the FAB machine.",
          "type": "number"
        },
        "width": {
          "$ref": "#/definitions/width"
        },
        "length": {
          "$ref": "#/definitions/length"
        },        
        "samplesTree": {
          "$ref": "#/definitions/samplesTree"
        },
        "hwSerialNumber": {
          "$ref": "#/definitions/hwSerialNumber"
        },
        "hwVersion": {
          "$ref": "#/definitions/hwVersion"
        },
        "testVersion": {
          "$ref": "#/definitions/testVersion"
        },
        "time": {
          "$ref": "#/definitions/time"
        }
      },
      "required": [
        "freq",
        "width",
        "length",
        "samplesTree",
        "hwSerialNumber",
        "hwVersion",
        "testVersion",
        "time"
      ]
    },
    "measurement": {
      "type": "object",
      "properties": {
        "D1": {
          "description": "Downward bend measure at 2 cm distance.",
          "$ref": "#/definitions/measurementPart"
        },
        "D2": {
          "description": "Downward bend measure at 8 cm distance.",
          "$ref": "#/definitions/measurementPart"
        },
        "S1": {
          "description": "Stretch measure at 2 cm distance.",
          "$ref": "#/definitions/measurementPart"
        },
        "S2": {
          "description": "Stretch measure at 8 cm distance.",
          "$ref": "#/definitions/measurementPart"
        },
        "U1": {
          "description": "Upward bend measure at 2 cm distance.",
          "$ref": "#/definitions/measurementPart"
        },
        "hwSerialNumber": {
          "$ref": "#/definitions/hwSerialNumber"
        },
        "hwVersion": {
          "$ref": "#/definitions/hwVersion"
        },
        "testVersion": {
          "$ref": "#/definitions/testVersion"
        },
        "time": {
          "$ref": "#/definitions/time"
        },
        "width": {
          "$ref": "#/definitions/width"
        }
      },
      "required": [
        "D1",
        "D2",
        "S1",
        "S2",
        "U1"
      ]
    },
    "thicknessMeasurement": {
      "type": "object",
      "properties": {
        "freq": {
          "description": "The sampling rate of the FAB machine.",
          "type": "number"
        },
        "width": {
          "$ref": "#/definitions/width"
        },
        "samplesTree": {
          "$ref": "#/definitions/samplesTree"
        },
        "hwSerialNumber": {
          "$ref": "#/definitions/hwSerialNumber"
        },
        "hwVersion": {
          "$ref": "#/definitions/hwVersion"
        },
        "testVersion": {
          "$ref": "#/definitions/testVersion"
        },
        "time": {
          "$ref": "#/definitions/time"
        }
      },
      "required": [
        "freq",
        "width",
        "samplesTree",
        "hwSerialNumber",
        "hwVersion",
        "testVersion",
        "time"
      ]
    }
  },  "type": "object",
  "properties": {
    "raw_data": {
      "type": [
        "object",
        "null"
      ],
      "properties": {
        "B": {
          "description": "Biased Grainline.",
          "$ref": "#/definitions/measurement"
        },
        "L": {
          "description": "Length Grainline.",
          "$ref": "#/definitions/measurement"
        },
        "T": {
          "description": "Thickness",
          "$ref": "#/definitions/thicknessMeasurement"
        },
        "W": {
          "description": "Width Grainline.",
          "$ref": "#/definitions/measurement"
        },
        "M": {
          "description": "Mass (The mass density of the fabric).",
          "type": "number"
        }
      },
      "additionalProperties": true,
      "required": [
        "B",
        "L",
        "T",
        "W",
        "M"
      ]
    },
    "schema": {
      "type": "string",
      "enum": [
        "1.1"
      ]
    },
    "custom": {
      "type": [
        "object",
        "null"
      ]
    }
  },
  "additionalProperties": false,
  "required": [
    "raw_data",
    "schema",
    "custom"
  ]
}