Trajectory

{
  "type" : "Coverage",
  "domain" : {
    "type": "Domain",
    "domainType": "Trajectory",
    "axes": {
      "composite": {
        "dataType": "tuple",
        "coordinates": ["t","x","y","z"],      
        "values": [
          ["2008-01-01T04:00:00Z", 1, 20, 1],
          ["2008-01-01T04:30:00Z", 2, 21, 3]
        ]
      }
    },
    "referencing": [...]
  },
  "parameters" : {
    "temperature": {...}
  },
  "ranges" : {
    "temperature" : {
      "type" : "NdArray",
      "dataType": "float",
      "axisNames": ["composite"],
      "shape": [2],
      "values" : [...]
    }
  }
}