Jalan Terdekat

Roads API memerlukan hingga 100 koordinat independen, dan menampilkan segmen jalan terdekat untuk setiap titik. Poin-poin diteruskan tidak perlu menjadi bagian dari jalur berkelanjutan.

Jika Anda bekerja dengan titik GPS yang berurutan, gunakan Snap to Roads.

Permintaan

Permintaan ke jalan terdekat harus dikirim melalui HTTPS, dan mengambil tindakan berikut bentuk:

https://roads.googleapis.com/v1/nearestRoads?parameters&key=YOUR_API_KEY

Required parameters

  • points

    The points to be snapped. The points parameter accepts a list of latitude/longitude pairs. Separate latitude and longitude values with commas. Separate coordinates with the pipe character: "|". For example: points=60.170880,24.942795|60.170879,24.942796|60.170877,24.942796.

Contoh

Permintaan berikut menampilkan serangkaian segmen jalan berdasarkan daftar koordinat yang ditentukan.

URL

https://roads.googleapis.com/v1/nearestRoads
  ?points=60.170880%2C24.942795%7C60.170879%2C24.942796%7C60.170877%2C24.942796
  &key=YOUR_API_KEY

cURL

curl -L -X GET 'https://roads.googleapis.com/v1/nearestRoads?points=60.170880%2C24.942795%7C60.170879%2C24.942796%7C60.170877%2C24.942796&key=YOUR_API_KEY'

Respons

Untuk setiap permintaan yang valid, Roads API akan menampilkan respons di yang ditunjukkan dalam URL permintaan.

{
  "snappedPoints":
    [
      {
        "location":
          { "latitude": 60.170878428876755, "longitude": 24.94269540970182 },
        "originalIndex": 0,
        "placeId": "ChIJfVFHrM0LkkYRBzUQos_jR5w",
      },
      {
        "location":
          { "latitude": 60.17087741412199, "longitude": 24.942695474405202 },
        "originalIndex": 1,
        "placeId": "ChIJfVFHrM0LkkYRBzUQos_jR5w",
      },
      {
        "location":
          { "latitude": 60.170875416131736, "longitude": 24.942695601802203 },
        "originalIndex": 2,
        "placeId": "ChIJfVFHrM0LkkYRBzUQos_jR5w",
      },
    ],
}

Respons menggunakan skema berikut.

NearestRoadsResponse

FieldRequiredTypeDescription
optional Array<SnappedPoint>

An array of snapped points. Sometimes containing several snapped points for the same point with differing placeId or location.

See SnappedPoint for more information.

SnappedPoint

FieldRequiredTypeDescription
requiredLatitudeLongitudeLiteral See LatitudeLongitudeLiteral for more information.
requiredstring

A unique identifier for a place. All place IDs returned by the Roads API correspond to road segments.

optionalnumber

An integer that indicates the corresponding value in the original request. Each value in the request should map to a snapped value in the response. However, if you've set interpolate=true or if you're using nearest roads, then it's possible that the response will contain more coordinates than the request. Interpolated values will not have an originalIndex. These values are indexed from 0, so a point with an originalIndex of 4 will be the snapped value of the 5th latitude/longitude passed to the path parameter. Nearest Roads points may contain several points for single coordinates with differing location or placeId.

LatitudeLongitudeLiteral

An object describing a specific location with Latitude and Longitude in decimal degrees.

FieldRequiredTypeDescription
requirednumber

Latitude in decimal degrees

requirednumber

Longitude in decimal degrees