{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "Line String Coordinates",
  "description": "For type `LineString`, the `coordinates` member must be an array of two or more positions.",
  "allOf": [
    { "$ref": "http://edoc-schema.kzn.ru/geo/coordinates" },
    {
      "minLength": 2,
      "items": { "$ref": "http://edoc-schema.kzn.ru/geo/position" }
    }
  ]
}