Amazon Location での道路上にない位置

ユーザーが CalculateRoute や CalculateRouteMatrix を使って、地図に載っていない出発地、目的地、またはウェイポイントの位置を検索する場合、Amazon Location はその位置を最も近い位置に移動します。

次の CalculateRoute リクエストでは、地図に載っていない出発地と目的地の位置を指定しています。

POST /routes/v0/calculators/ExampleCalculator/calculate/route
Content-type: application/json
{
   "DeparturePosition": [-123.128014, 49.298472],
   "DestinationPosition": [-123.134701, 49. 294315]
}

結果のレスポンスでは、近くの道路にスナップされた位置が返されます。

{
   "Legs": [
      {
         "StartPosition": [-123.12815, 49.29717],
         "EndPosition":   [-123.13375, 49.2926],
         "Distance": 4.223,
         "DurationSeconds": 697,
         "Steps": [
            {
               "StartPosition": [ -123.12815, 49.29717 ],
               "EndPosition":   [ -123.12806, 49.29707 ],
               "Distance": 0.013,
               "DurationSeconds": 8
            },
            {
               "StartPosition": [ -123.12806, 49.29707 ],
               "EndPosition":   [ -123.1288, 49.29659 ],
               "Distance": 0.082,
               "DurationSeconds": 36
            },
            {
               "StartPosition": [ -123.1288, 49.29659 ],
               "EndPosition":   [ -123.12021, 49.29853 ],
               "Distance": 0.742,
               "DurationSeconds": 128
            },
            {
               "StartPosition": [ -123.12021, 49.29853 ],
               "EndPosition":   [ -123.1201, 49.29959 ],
               "Distance": 0.131,
               "DurationSeconds": 26
            },
            {
               "StartPosition": [ -123.1201, 49.29959 ],
               "EndPosition":   [ -123.13562, 49.30681 ],
               "Distance": 1.47,
               "DurationSeconds": 238
            },
            {
               "StartPosition": [ -123.13562, 49.30681 ],
               "EndPosition":   [ -123.13693, 49.30615 ],
               "Distance": 0.121,
               "DurationSeconds": 28
            },
            {
               "StartPosition": [ -123.13693, 49.30615 ],
               "EndPosition":   [ -123.13598, 49.29755 ],
               "Distance": 0.97,
               "DurationSeconds": 156
            },
            {
               "StartPosition": [ -123.13598, 49.29755 ],
               "EndPosition":   [ -123.13688, 49.29717 ],
               "Distance": 0.085,
               "DurationSeconds": 15
            },
            {
               "StartPosition": [ -123.13688, 49.29717 ],
               "EndPosition":   [ -123.13375, 49.2926 ],
               "Distance": 0.609,
               "DurationSeconds": 62
            }
         ]
      }
   ],
   "Summary": {
      "RouteBBox": [ -123.13693, 49.2926, -123.1201, 49.30681 ],
      "DataSource": "Here",
      "Distance": 4.223,
      "DurationSeconds": 697,
      "DistanceUnit": "Kilometers"
   }
}