public static async Task <RouteResult> LoadRouter(MapView mapView)
{
var routeSourceUri = new Uri("https://gis.tamu.edu/arcgis/rest/services/Routing/20201128/NAServer/Route");
var routeTask = await RouteTask.CreateAsync(routeSourceUri);
// get the default route parameters
var routeParams = await routeTask.CreateDefaultParametersAsync();
// explicitly set values for some params
routeParams.ReturnDirections = true;
routeParams.ReturnRoutes = true;
if (mapView.SpatialReference != null)
{
routeParams.OutputSpatialReference = mapView.SpatialReference;
}
// create a Stop for my location
var curLoc = await SpatialHelper.GetCurrentLocation();
var myLocation = new MapPoint(curLoc.Value.Longitude, curLoc.Value.Latitude, SpatialReferences.Wgs84);
var stop1 = new Stop(myLocation);
// create a Stop for your location
var yourLocation = new MapPoint(-96.34131, 30.61247, SpatialReferences.Wgs84);
var stop2 = new Stop(yourLocation);
// assign the stops to the route parameters
var stopPoints = new List <Stop> {
stop1, stop2
};
routeParams.SetStops(stopPoints);
try
{
return(await routeTask.SolveRouteAsync(routeParams));
}
catch
{
return(null);
}
}
public static async Task SetViewpointToCurrentLocation(MapView mapView, GraphicsOverlay mapGraphics, Windows.Foundation.TypedEventHandler <Windows.Devices.Geolocation.Geolocator, Windows.Devices.Geolocation.PositionChangedEventArgs> PositionChangedHandler, bool zoomToLocation = true)
{
var currentLoc = await SpatialHelper.GetCurrentLocation();
if (currentLoc.HasValue)
{
var currentLocPoint = CreateRouteStop(currentLoc.Value.Latitude, currentLoc.Value.Longitude, System.Drawing.Color.Red);
currentLocPoint.Attributes.Add("id", "currentLocation");
mapGraphics.Graphics.Add(currentLocPoint);
if (zoomToLocation)
{
await mapView.SetViewpointCenterAsync(currentLoc.Value.Latitude, currentLoc.Value.Longitude);
await mapView.SetViewpointScaleAsync(2000);
}
if (PositionChangedHandler != null)
{
SpatialHelper.Geolocator.PositionChanged += PositionChangedHandler;
}
}
}
