public static async Task <shPath> FindShortPathWithArrayNodes(string ScenarioId, int[] arrNodeId, enOSMhighwayFilter[] arrHighwayFilter)
{
using (var client = new HttpClient())
{
client.BaseAddress = new Uri(BaseAddress);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
// string strUri = "api/Routing/FindShortPathWithArrayNodes?ScenarioId=" + ScenarioId + "&highwayFilter=" + (int)highwayFilter + "&x=" + x + "&y=" + y + "&NodeidFromTo=" + NodeidFromTo + "&isPointFrom=" + isPointFrom;
ArrNodes nodes = new ArrNodes();
nodes.ScenarioId = ScenarioId;
nodes.arrNodeId = arrNodeId;
nodes.arrHighwayFilter = arrHighwayFilter;
HttpResponseMessage response = await client.PostAsJsonAsync <ArrNodes>("api/Routing/FindShortPathWithArrayNodes/", nodes); //FindShortPathWithArrayNodes
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
return(null);
}
HttpContent content = response.Content;
string v = await content.ReadAsStringAsync();
// shPath tmp = null;
shPath tmp = JsonConvert.DeserializeObject <shPath>(v);
return(tmp);
}
}
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(BaseAddress);
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);
}
// Yinon Douchan: Only find the shortest path between two points.
public async Task <typRoute> createRouteByShortestPathOnly(double StartX, double StartY, double ReferencePointX, double ReferencePointY)
{
List <DPoint> Result = new List <DPoint>();
DPoint ReferPoint = new DPoint(ReferencePointX, ReferencePointY);
shPath Path = await clsRoadRoutingWebApi.FindShortPath("0", StartX, StartY, ReferencePointX, ReferencePointY, false);
if (Path != null && Path.Points.Count > 0)
{
shPoint refPoint = Path.Points[Path.Points.Count - 1];
ReferPoint = new DPoint(refPoint.x, refPoint.y);
foreach (shPoint p in Path.Points)
{
Result.Add(new DPoint(p.x, p.y));
}
}
if (Result.Count == 0)
{
Result.Add(new DPoint(StartX, StartY));
}
else
{
if (Result[0].x != StartX || Result[0].y != StartY)
{
Result.Insert(0, new DPoint(StartX, StartY));
}
}
Route routeResult = new Route();
routeResult.Points = Result;
typRoute tRoute = new typRoute(routeResult);
return(tRoute);
}
public async Task <typRoute> CreateRoute(double StartX, double StartY, double ReferencePointX, double ReferencePointY, string RouteGuid)
{
try
{
List <DPoint> Result = new List <DPoint>();
Route route = TDS.DAL.RoutesDB.GetRouteByGuid(RouteGuid);
DPoint ReferPoint = new DPoint(ReferencePointX, ReferencePointY);
shPath Path = await clsRoadRoutingWebApi.FindShortPath("0", StartX, StartY, ReferencePointX, ReferencePointY, false);
if (Path != null && Path.Points.Count > 0)
{
shPoint refPoint = Path.Points[Path.Points.Count - 1];
ReferPoint = new DPoint(refPoint.x, refPoint.y);
foreach (shPoint p in Path.Points)
{
Result.Add(new DPoint(p.x, p.y));
}
}
if (Result.Count == 0)
{
Result.Add(new DPoint(StartX, StartY));
}
else
{
if (Result[0].x != StartX || Result[0].y != StartY)
{
Result.Insert(0, new DPoint(StartX, StartY));
}
}
int leg = 0;
DPoint minP = null;
double mainDist = double.MaxValue;
int i = -1;
foreach (DPoint p in route.Points)
{
i++;
// double dist = MathEngine.CalcDistanceForCompare(ReferPoint.x, ReferPoint.y, p.x, p.y);
double dist = MathEngine.GreatCircleDistance(ReferPoint.x, ReferPoint.y, p.x, p.y);
if (dist < mainDist)
{
mainDist = dist;
minP = p;
leg = i;
}
}
if (mainDist != 0.0)
{
List <DPoint> R = route.Points.ToList <DPoint>().GetRange(leg, route.Points.Count() - leg);
Result.AddRange(R);
}
else
{
if (leg < route.Points.Count() - 1) // Not Last element
{
List <DPoint> R = route.Points.ToList <DPoint>().GetRange(leg + 1, route.Points.Count() - (leg + 1));
Result.AddRange(R);
}
}
Route routeResult = new Route();
routeResult.Points = Result;
typRoute tRoute = new typRoute(routeResult);
return(tRoute);
}
catch (Exception ex)
{
}
return(null);
}