/// <summary>计算距离和驾车时间</summary>
/// <remarks>
/// http://lbsyun.baidu.com/index.php?title=webapi/route-matrix-api-v2
/// </remarks>
/// <param name="origin"></param>
/// <param name="destination"></param>
/// <param name="type">路径计算的方式和方法</param>
/// <returns></returns>
public async Task <Driving> GetDistanceAsync(GeoPoint origin, GeoPoint destination, Int32 type = 13)
{
if (origin == null || origin.Longitude < 1 && origin.Latitude < 1)
{
throw new ArgumentNullException(nameof(origin));
}
if (destination == null || destination.Longitude < 1 && destination.Latitude < 1)
{
throw new ArgumentNullException(nameof(destination));
}
if (type <= 0)
{
type = 13;
}
var coord = CoordType;
if (!coord.IsNullOrEmpty() && coord.Length > 6)
{
coord = coord.TrimEnd("ll");
}
var url = _distanceUrl.F(origin.Latitude, origin.Longitude, destination.Latitude, destination.Longitude, type, coord);
var list = await InvokeAsync <IList <Object> >(url, "result");
if (list == null || list.Count == 0)
{
return(null);
}
var geo = list.FirstOrDefault() as IDictionary <String, Object>;
if (geo == null)
{
return(null);
}
var d1 = geo["distance"] as IDictionary <String, Object>;
var d2 = geo["duration"] as IDictionary <String, Object>;
var rs = new Driving
{
Distance = d1["value"].ToInt(),
Duration = d2["value"].ToInt()
};
return(rs);
}
/// <summary>计算距离和驾车时间</summary>
/// <remarks>
/// http://lbs.amap.com/api/webservice/guide/api/direction
///
/// type:
/// 0：直线距离
/// 1：驾车导航距离（仅支持国内坐标）。
/// 必须指出，当为1时会考虑路况，故在不同时间请求返回结果可能不同。
/// 此策略和driving接口的 strategy = 4策略一致
/// 2：公交规划距离（仅支持同城坐标）
/// 3：步行规划距离（仅支持5km之间的距离）
///
/// distance 路径距离，单位：米
/// duration 预计行驶时间，单位：秒
/// </remarks>
/// <param name="origin"></param>
/// <param name="destination"></param>
/// <param name="type">路径计算的方式和方法</param>
/// <returns></returns>
public async Task <Driving> GetDistanceAsync(GeoPoint origin, GeoPoint destination, Int32 type = 1)
{
if (origin == null || origin.Longitude < 1 && origin.Latitude < 1)
{
throw new ArgumentNullException(nameof(origin));
}
if (destination == null || destination.Longitude < 1 && destination.Latitude < 1)
{
throw new ArgumentNullException(nameof(destination));
}
if (type <= 0)
{
type = 1;
}
var url = _distanceUrl.F(origin.Longitude, origin.Latitude, destination.Longitude, destination.Latitude, type);
var list = await InvokeAsync <IList <Object> >(url, "results");
if (list == null || list.Count == 0)
{
return(null);
}
var geo = list.FirstOrDefault() as IDictionary <String, Object>;
if (geo == null)
{
return(null);
}
var rs = new Driving
{
Distance = geo["distance"].ToInt(),
Duration = geo["duration"].ToInt()
};
return(rs);
}