public static async Task <shPath> FindShortPath(string ScenarioId, double StartX, double StartY, double DestinationX, double DestinationY, bool isPriorityAboveNormal)
{
try
{
using (var client = new HttpClient())
{
client.BaseAddress = new Uri("http://localhost:9000/");
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
string strUri = "api/Routing/FindShortPath?ScenarioId=" + ScenarioId + "&StartX=" + StartX + "&StartY=" + StartY + "&DestinationX=" + DestinationX + "&DestinationY=" + DestinationY + "&isPriorityAboveNormal=" + isPriorityAboveNormal;
HttpResponseMessage response = null;
try
{
response = await client.GetAsync(strUri);
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
Console.WriteLine("NOT OK: " + response.StatusCode.ToString());
return(null);
}
}
catch (System.Net.WebException e)
{
return(null);
}
catch (TaskCanceledException e)
{
return(null);
}
catch (Exception e)
{
return(null);
}
HttpContent content = response.Content;
string v = await content.ReadAsStringAsync();
shPath tmp = JsonConvert.DeserializeObject <shPath>(v);
return(tmp);
}
}
catch (Exception ex)
{
}
return(null);
}
public async Task <Route> generateRouteByShortestPath(String routeName, DPoint source, DPoint dest)
{
// assumption: source and dest are on a sidewalk
shPath path = await RouteWebAPI.FindShortPath("0", source.x, source.y, dest.x, dest.y, false);
Route route = new Route();
route.countryId = 0;
route.guid = Util.CreateGuid();
route.name = routeName;
route.owner = null;
route.routeTypeId = 0;
route.routePoints = new List <DPoint>();
foreach (shPoint point in path.Points)
{
route.routePoints.Add(new DPoint(point.x, point.y));
}
return(route);
}