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{
  "properties": {
    "data": {
      "description": "contains (boolean|null), on_boundary (boolean|null), bbox [minLon, minLat, maxLon, maxLat], centroid {lat, lon}, area_m2, perimeter_m, winding (cw|ccw per ring, exterior first then holes, in polygon order), rings, vertices (closing point excluded). area_m2 is the WGS-84 geodesic area, signed per RFC 7946 (exterior counter-clockwise = positive, clockwise = negative, holes subtract); perimeter_m sums every ring. Point-in-polygon and centroid are planar in lon/lat; a point on an edge is contained with on_boundary:true. With ops, only the listed fields (plus rings and vertices) are returned. Rings must be closed with at least 4 positions.",
      "properties": {
        "area_m2": {
          "type": "number"
        },
        "bbox": {
          "items": {
            "type": "number"
          },
          "type": "array"
        },
        "centroid": {
          "properties": {
            "lat": {
              "type": "number"
            },
            "lon": {
              "type": "number"
            }
          },
          "required": [
            "lat",
            "lon"
          ],
          "type": "object"
        },
        "contains": {
          "type": [
            "boolean",
            "null"
          ]
        },
        "on_boundary": {
          "type": [
            "boolean",
            "null"
          ]
        },
        "perimeter_m": {
          "type": "number"
        },
        "rings": {
          "type": "integer"
        },
        "vertices": {
          "type": "integer"
        },
        "winding": {
          "items": {
            "type": "string"
          },
          "type": "array"
        }
      },
      "required": [
        "rings",
        "vertices"
      ],
      "type": "object"
    },
    "meta": {
      "$ref": "#/components/schemas/Meta"
    },
    "ok": {
      "const": true
    },
    "route": {
      "const": "/v1/geo/polygon"
    },
    "version": {
      "const": "1.0.0"
    }
  },
  "required": [
    "ok",
    "route",
    "version",
    "data",
    "meta"
  ],
  "type": "object"
}