가장 가까운 도로

Roads API는 최대 100개의 독립적인 좌표를 가지며 각 지점에 대해 가장 가까운 도로 구간을 반환합니다. 전달된 지점은 연속 경로의 일부일 필요가 없습니다.

연속된 GPS 지점을 사용하여 작업하는 경우 도로에 스냅하기를 사용합니다.

요청

가장 가까운 도로 요청은 다음 형식을 따르는 HTTPS를 통해 전송해야 합니다.

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.

예

다음 요청은 지정된 좌표 목록을 기반으로 도로 구간 집합을 반환합니다.

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'

응답

유효한 각 요청에 대해 Roads API는 요청 URL에 표시된 형식으로 응답을 반환합니다.

{
  "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",
      },
    ],
}

응답은 다음 스키마를 사용합니다.

NearestRoadsResponse

Field	Required	Type	Description
snappedPoints	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

Field	Required	Type	Description
location	required	LatitudeLongitudeLiteral	See LatitudeLongitudeLiteral for more information.
placeId	required	string	A unique identifier for a place. All place IDs returned by the Roads API correspond to road segments.
originalIndex	optional	number	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.

Field	Required	Type	Description
latitude	required	number	Latitude in decimal degrees
longitude	required	number	Longitude in decimal degrees