高德地图api路径规划
时间: 2023-10-09 19:11:04 浏览: 236
高德地图API提供了多种路径规划服务,包括驾车路径规划、步行路径规划、公交路径规划、骑行路径规划等。其中,驾车路径规划是应用最广泛的一种规划方式。下面以驾车路径规划为例,介绍一下如何使用高德地图API进行路径规划。
1. 准备工作
首先,需要在高德开放平台上注册账号,并创建应用。创建应用后,可以获取到一个应用Key,用于调用API。
2. 发送请求
使用高德地图API进行路径规划,需要向以下接口发送请求:
```
https://restapi.amap.com/v3/direction/driving
```
其中,`direction/driving`表示进行驾车路径规划。
在请求中需要包含以下参数:
- `key`:应用Key,用于身份验证。
- `origin`:起点坐标,格式为“经度,纬度”。
- `destination`:终点坐标,格式为“经度,纬度”。
例如,下面是一个请求示例:
```
https://restapi.amap.com/v3/direction/driving?key=yourkey&origin=116.481028,39.989643&destination=116.434446,39.90816
```
3. 处理响应
发送请求后,会得到一个JSON格式的响应。响应中包含了路径规划的结果,包括路线、路况、收费等信息。可以根据需要对响应进行解析,提取出需要的信息。
以下是一个响应的示例:
```json
{
"status": "1",
"info": "OK",
"infocode": "10000",
"count": "1",
"route": {
"origin": "116.481028,39.989643",
"destination": "116.434446,39.90816",
"taxi_cost": "34.7",
"paths": [
{
"distance": "11433",
"duration": "2335",
"strategy": "速度优先",
"tolls": "0",
"toll_distance": "0",
"steps": [
{
"instruction": "从“清华大学(东门)”出发,沿“清华东路”向南行驶40米左右,右转进入“清华东路”。",
"orientation": "南",
"road": "清华东路",
"distance": "101",
"duration": "43",
"polyline": "116.481846,39.989564;116.481822,39.989425;116.481784,39.989302;116.481724,39.98922;116.481601,39.989177;116.481479,39.989167;116.481357,39.989175;116.481233,39.9892;116.48112,39.989239;116.481014,39.98929;116.48091,39.989355;116.480807,39.989423;116.480703,39.989498;116.480599,39.989576;116.4805,39.989655;116.480396,39.98973;116.480288,39.98979;116.480181,39.989834;116.48007,39.989868",
"action": "右转",
"assistant_action": "进入",
"cities": [],
"road_inter": "清华东路",
"tmcs": []
},
...
]
}
]
}
}
```
以上就是使用高德地图API进行驾车路径规划的基本方法。其他类型的路径规划也可以按照类似的方法进行。
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