public static async Task <string> GetPolyline(Coordinate origin, Coordinate destination, List <Coordinate> waypoints = null)
{
MapDirectionResponse MDR = await MapFunction.GetDirectionJsonAsync(origin, destination, waypoints);
if (MDR.routes.Count == 0)
{
return(null);
}
tongquangduong += MDR.routes.FirstOrDefault().legs.FirstOrDefault().distance.value;
List <Coordinate> PolylinePoints = new List <Coordinate>();
foreach (Leg leg in MDR.routes[0].legs)
{
foreach (Step step in leg.steps)
{
List <Coordinate> miniPolylinePoints = MapFunction.Decode(step.polyline.points).ToList();
miniPolylinePoints.Remove(miniPolylinePoints.Last());
PolylinePoints.AddRange(miniPolylinePoints);
}
}
Coordinate lastPolylinePoint = MapFunction.Decode(MDR.routes[0].legs.Last().steps.Last().polyline.points).Last();
PolylinePoints.Add(lastPolylinePoint);
string Polyline = MapFunction.Encode(PolylinePoints);
return(Polyline);
}
public static async Task <double> GetDistanceAsync(Coordinate origin, Coordinate destination, List <Coordinate> waypoints = null)
{
MapDirectionResponse mapDirectionResponse = await GetDirectionJsonAsync(origin, destination, waypoints);
double distance = 0;
foreach (Leg leg in mapDirectionResponse.routes[0].legs)
{
distance += leg.distance.value;
}
return(distance);
}
public static IEnumerable <Coordinate> GetOverviewPolylinePoints(MapDirectionResponse mapDirectionResponse)
{
string overview_polyline = mapDirectionResponse.routes[0].overview_polyline.points;
return(Decode(overview_polyline));
}