vrl 0.32.0

Vector Remap Language
Documentation 
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{
  "anchor": "haversine",
  "name": "haversine",
  "category": "Map",
  "description": "Calculates [haversine](https://en.wikipedia.org/wiki/Haversine_formula) distance and bearing between two points.",
  "arguments": [
    {
      "name": "latitude1",
      "description": "Latitude of the first point.",
      "required": true,
      "type": [
        "float"
      ]
    },
    {
      "name": "longitude1",
      "description": "Longitude of the first point.",
      "required": true,
      "type": [
        "float"
      ]
    },
    {
      "name": "latitude2",
      "description": "Latitude of the second point.",
      "required": true,
      "type": [
        "float"
      ]
    },
    {
      "name": "longitude2",
      "description": "Longitude of the second point.",
      "required": true,
      "type": [
        "float"
      ]
    },
    {
      "name": "measurement_unit",
      "description": "Measurement system to use for resulting distance.",
      "required": false,
      "type": [
        "string"
      ],
      "enum": {
        "kilometers": "Use kilometers for the resulting distance.",
        "miles": "Use miles for the resulting distance."
      }
    }
  ],
  "return": {
    "types": [
      "object"
    ]
  },
  "examples": [
    {
      "title": "Haversine in kilometers",
      "source": "haversine(0.0, 0.0, 10.0, 10.0)",
      "return": {
        "distance": 1568.5227233,
        "bearing": 44.561
      }
    },
    {
      "title": "Haversine in miles",
      "source": "haversine(0.0, 0.0, 10.0, 10.0, measurement_unit: \"miles\")",
      "return": {
        "distance": 974.6348468,
        "bearing": 44.561
      }
    }
  ],
  "pure": true
}