private void MapViewMapSingleTap(object sender, UIGestureRecognizer e)
{
CGPoint location = e.LocationInView(View);
PointShape position = ExtentHelper.ToWorldCoordinate(mapView.CurrentExtent, (float)location.X, (float)location.Y, (float)View.Frame.Width, (float)View.Frame.Height);
routingLayer.Routes.Clear();
if (firstClick)
{
routingLayer.StartPoint = position;
firstClick = false;
}
else
{
routingLayer.EndPoint = position;
firstClick = true;
}
routingLayer.Routes.Clear();
if (routingLayer.StartPoint != null && routingLayer.EndPoint != null)
{
RoutingResult routingResult = routingEngine.GetRoute(routingLayer.StartPoint, routingLayer.EndPoint);
routingLayer.Routes.Add(routingResult.Route);
ShowTurnByTurnDirections(routingResult.RouteSegments, routingResult.Features);
}
layerOverlay.Refresh();
}
public void ShowRoute(MapPos startPos, MapPos stopPos)
{
// Run routing in background
System.Threading.Tasks.Task.Run(() =>
{
RoutingResult result = Routing.GetResult(startPos, stopPos);
// Update response in UI thread
RunOnUiThread(() =>
{
if (result == null)
{
ContentView.Banner.Show("Routing failed");
return;
}
string text = Routing.GetMessage(result);
ContentView.Banner.Show(text);
Routing.Show(result);
FeatureCollection collection = Routing.routeDataSource.GetFeatureCollection();
Search.FindAttractions(collection, (count) =>
{
text = "Found " + count + " attractions. ";
text += "Click on one to find out more about it";
RunOnUiThread(delegate
{
ContentView.Banner.Show(text);
});
});
});
});
}
public string GetMessage(RoutingResult result)
{
string distance = "Your route is " + (int)(result.TotalDistance / 100) / 10f + "km";
string time = " (" + result.TotalTime.ConvertFromSecondsToHours() + ")";
return(distance + time);
}
public void ShowRoute(MapPos startPos, MapPos stopPos)
{
// Run routing in background
System.Threading.Tasks.Task.Run(() =>
{
long time = Java.Lang.JavaSystem.CurrentTimeMillis();
RoutingResult result = Routing.GetResult(startPos, stopPos);
// Update response in UI thread
RunOnUiThread(() =>
{
if (result == null)
{
Alert("Routing failed");
return;
}
Alert(Routing.GetMessage(result, time, Java.Lang.JavaSystem.CurrentTimeMillis()));
Color lineColor = new Color(Colors.ActionBar);
Routing.Show(result, lineColor);
});
});
}
private void btnRoute_Click(object sender, EventArgs e)
{
ShapeFileFeatureSource featureSource = new ShapeFileFeatureSource(@"..\..\SampleData\Austinstreets.shp");
RoutingSource routingSource = new RtgRoutingSource(@"..\..\SampleData\routeDataForFastest.rtg");
RoutingEngine routingEngine = new RoutingEngine(routingSource, featureSource);
RoutingResult routingResult = routingEngine.GetShortestPath(txtStartId.Text, txtEndId.Text);
InMemoryFeatureLayer routingLayer = (InMemoryFeatureLayer)((LayerOverlay)winformsMap1.Overlays["RoutingOverlay"]).Layers["RoutingLayer"];
winformsMap1.Overlays["RoutingOverlay"].Lock.EnterWriteLock();
try
{
routingLayer.InternalFeatures.Clear();
foreach (Feature feature in routingResult.Features)
{
routingLayer.InternalFeatures.Add(feature);
}
}
finally
{
winformsMap1.Overlays["RoutingOverlay"].Lock.ExitWriteLock();
}
winformsMap1.Refresh();
}
private void btnFindBestRoute_Click(object sender, EventArgs e)
{
LayerOverlay overlay = (LayerOverlay)winformsMap1.Overlays["RoutingOverlay"];
RoutingLayer routingLayer = (RoutingLayer)overlay.Layers["RoutingLayer"];
Stopwatch watch = new Stopwatch();
watch.Start();
RoutingResult routingResult = routingEngine.GetRoute(routingLayer.StartPoint, routingLayer.StopPoints, int.Parse(txtIterations.Text));
watch.Stop();
// Render the route
routingLayer.Routes.Clear();
routingLayer.Routes.Add(routingResult.Route);
winformsMap1.Refresh(winformsMap1.Overlays["RoutingOverlay"]);
routingLayer.StopPoints.Clear();
foreach (PointShape stop in routingResult.OrderedStops)
{
routingLayer.StopPoints.Add(stop);
}
routingLayer.ShowStopOrder = true;
txtTimeUsed.Text = watch.ElapsedMilliseconds.ToString(CultureInfo.InvariantCulture) + " ms";
txtDistance.Text = routingResult.Distance.ToString(CultureInfo.InvariantCulture);
winformsMap1.Refresh(overlay);
}
public void ShowRoute(MapPos startPos, MapPos stopPos)
{
// Run routing in background
System.Threading.Tasks.Task.Run(() =>
{
long time = DateTime.Now.Millisecond;
RoutingResult result = Routing.GetResult(startPos, stopPos);
// Update response in UI thread
InvokeOnMainThread(() =>
{
if (result == null)
{
Alert("Routing failed");
return;
}
Alert(Routing.GetMessage(result, time, DateTime.Now.Millisecond));
Color darkGray = new Carto.Graphics.Color(50, 50, 50, 255);
Routing.Show(result, darkGray);
});
});
}
public void ShowRoute(MapPos startPos, MapPos stopPos)
{
// Run routing in background
System.Threading.Tasks.Task.Run(() =>
{
long time = Java.Lang.JavaSystem.CurrentTimeMillis();
RoutingResult result = Routing.GetResult(startPos, stopPos);
// Update response in UI thread
RunOnUiThread(() =>
{
if (result == null)
{
Alert("Routing failed");
return;
}
Alert(Routing.GetMessage(result, time, Java.Lang.JavaSystem.CurrentTimeMillis()));
Color darkGray = new Carto.Graphics.Color(Android.Graphics.Color.DarkGray);
Routing.Show(result, darkGray);
});
});
}
public string GetMessage(RoutingResult result, long start, long current)
{
string distance = "The route is " + (int)(result.TotalDistance / 100) / 10f + "km";
string time = "(" + result.TotalTime.ConvertFromSecondsToHours() + ")";
string calculation = " | Calculation: " + (start - current) + " ms";
return(distance + time + calculation);
}
protected Line CreatePolyline(RoutingResult result, Color color)
{
LineStyleBuilder builder = new LineStyleBuilder();
builder.Color = color;
builder.Width = 10;
return(new Line(result.Points, builder.BuildStyle()));
}
private void ShowTheShortestPath(RoutingLayer routingLayer)
{
RoutingSource routingSource = new RtgRoutingSource(Path.Combine(rootPath, "DallasWithOneWayRoad.rtg"));
RoutingEngine routingEngine = new RoutingEngine(routingSource, featureSource);
RoutingResult routingResult = routingEngine.GetRoute(txtStartId.Text, txtEndId.Text);
routingLayer.Routes.Clear();
routingLayer.Routes.Add(routingResult.Route);
}
// Creates a line from GraphHopper response
protected Line CreatePolyline(MapPos start, MapPos end, RoutingResult result)
{
LineStyleBuilder lineStyleBuilder = new LineStyleBuilder();
lineStyleBuilder.Color = new Carto.Graphics.Color(Android.Graphics.Color.DarkGray);
lineStyleBuilder.Width = 12;
return(new Line(result.Points, lineStyleBuilder.BuildStyle()));
}
// Creates a line from GraphHopper response
protected Line CreatePolyline(MapPos start, MapPos end, RoutingResult result, Color color)
{
LineStyleBuilder lineStyleBuilder = new LineStyleBuilder();
lineStyleBuilder.Color = color;
lineStyleBuilder.Width = 7;
return(new Line(result.Points, lineStyleBuilder.BuildStyle()));
}
private void Route()
{
RoutingResult routingResult = routingEngine.GetRoute(txtStartId.Text, txtEndId.Text);
RoutingLayer routingLayer = (RoutingLayer)((LayerOverlay)winformsMap1.Overlays["RoutingOverlay"]).Layers["RoutingLayer"];
routingLayer.Routes.Clear();
routingLayer.Routes.Add(routingResult.Route);
winformsMap1.Refresh(winformsMap1.Overlays["RoutingOverlay"]);
}
// creates Nutiteq line from GraphHopper response
protected Line createPolyline(MapPos start, MapPos end, RoutingResult result)
{
LineStyleBuilder lineStyleBuilder = new LineStyleBuilder();
lineStyleBuilder.Color = new Nutiteq.Graphics.Color(Android.Graphics.Color.DarkGray);
lineStyleBuilder.LineJointType = LineJointType.LineJointTypeRound;
lineStyleBuilder.StretchFactor = 2;
lineStyleBuilder.Width = 12;
return(new Line(result.Points, lineStyleBuilder.BuildStyle()));
}
private void btnFindPath_Click(object sender, EventArgs e)
{
routingEngine.RoutingSource = routingSource;
routingLayer.Routes.Clear();
routingEngine.RoutingSource.Open();
routingResult = routingEngine.GetRoute(routingLayer.StartPoint, routingLayer.EndPoint);
routingLayer.Routes.Add(routingResult.Route);
winformsMap1.Refresh(winformsMap1.Overlays["RoutingOverlay"]);
}
void cbmPrioritiy_SelectedIndexChanged(object sender, EventArgs e)
{
RoutingResult routingResult = routingEngine.GetRoute(txtStartId.Text, txtEndId.Text);
RoutingLayer routingLayer = (RoutingLayer)((LayerOverlay)winformsMap1.Overlays["RoutingOverlay"]).Layers["RoutingLayer"];
routingLayer.Routes.Clear();
routingLayer.Routes.Add(routingResult.Route);
winformsMap1.CurrentExtent = new RectangleShape(-96.905564, 32.926216, -96.651506, 32.744942);
winformsMap1.Refresh(winformsMap1.Overlays["RoutingOverlay"]);
}
void cbmAlgorithm_SelectedIndexChanged(object sender, EventArgs e)
{
FeatureSource featureSource = new ShapeFileFeatureSource(Path.Combine(rootPath, "DallasCounty-4326.shp"));
RoutingSource routingSource = new RtgRoutingSource(Path.Combine(rootPath, "DallasCounty-4326.shortest.rtg"));
RoutingEngine routingEngine = new RoutingEngine(routingSource, GetAlgorithm(), featureSource);
RoutingResult routingResult = routingEngine.GetRoute(txtStartId.Text, txtEndId.Text);
RoutingLayer routingLayer = (RoutingLayer)((LayerOverlay)winformsMap1.Overlays["RoutingOverlay"]).Layers["RoutingLayer"];
routingLayer.Routes.Clear();
routingLayer.Routes.Add(routingResult.Route);
winformsMap1.Refresh(winformsMap1.Overlays["RoutingOverlay"]);
}
private void btnRoute_Click(object sender, EventArgs e)
{
RoutingSource routingSource = new RtgRoutingSource(Path.Combine(rootPath, "DallasCounty-4326.shortest.rtg"));
ShapeFileFeatureSource featureSource = new ShapeFileFeatureSource(Path.Combine(rootPath, "DallasCounty-4326.shp"));
RoutingEngine routingEngine = new RoutingEngine(routingSource, featureSource);
RoutingLayer routingLayer = (RoutingLayer)((LayerOverlay)winformsMap1.Overlays["RoutingOverlay"]).Layers["RoutingLayer"];
RoutingResult routingResult = routingEngine.GetRoute(routingLayer.StartPoint, routingLayer.EndPoint);
routingLayer.Routes.Clear();
routingLayer.Routes.Add(routingResult.Route);
winformsMap1.Refresh(winformsMap1.Overlays["RoutingOverlay"]);
}
private void btnRoute_Click(object sender, EventArgs e)
{
ShapeFileFeatureSource featureSource = new ShapeFileFeatureSource(Path.Combine(rootPath, "DallasCounty-4326.shp"));
RoutingSource routingSource = new CustomRoutingSource(featureSource);
RoutingEngine routingEngine = new RoutingEngine(routingSource, featureSource);
RoutingResult routingResult = routingEngine.GetRoute(txtStartId.Text, txtEndId.Text);
RoutingLayer routingLayer = (RoutingLayer)((LayerOverlay)winformsMap1.Overlays["RoutingOverlay"]).Layers["RoutingLayer"];
routingLayer.Routes.Clear();
routingLayer.Routes.Add(routingResult.Route);
winformsMap1.Refresh(winformsMap1.Overlays["RoutingOverlay"]);
}
private void RenderPathBetweenPoints()
{
FeatureSource featureSource = new ShapeFileFeatureSource(@"..\..\SampleData\Austinstreets.shp");
RoutingSource routingSource = new RtgRoutingSource(@"..\..\SampleData\Austinstreets.rtg");
RoutingEngine routingEngine = new RoutingEngine(routingSource, featureSource);
RoutingResult routingResult = null;
InMemoryFeatureLayer stopLayer = (InMemoryFeatureLayer)((LayerOverlay)winformsMap1.Overlays["StopOverlay"]).Layers["StopLayer"];
if (stopLayer.InternalFeatures.Count > 2)
{
string startId = stopLayer.InternalFeatures[0].Id;
string stopId = stopLayer.InternalFeatures[1].Id;
string endId = stopLayer.InternalFeatures[2].Id;
routingResult = routingEngine.GetRoute(startId, stopId);
RoutingResult secondRoutingResult = routingEngine.GetRoute(stopId, endId);
foreach (Feature item in secondRoutingResult.Features)
{
routingResult.Features.Add(item);
}
}
else
{
routingResult = routingEngine.GetRoute("4716", "9638");
}
//winformsMap1.Overlays["RoutingOverlay"].Lock.EnterWriteLock();
//try
//{
InMemoryFeatureLayer inmemoryLayer = (InMemoryFeatureLayer)((LayerOverlay)winformsMap1.Overlays["RoutingOverlay"]).Layers["RoutingLayer"];
inmemoryLayer.InternalFeatures.Clear();
foreach (Feature feature in routingResult.Features)
{
inmemoryLayer.InternalFeatures.Add(feature);
}
//}
//finally
//{
// winformsMap1.Overlays["RoutingOverlay"].Lock.ExitWriteLock();
//}
winformsMap1.Overlays["RoutingOverlay"].Lock.IsDirty = true;
winformsMap1.Refresh();
}
public void Show(RoutingResult result, Color lineColor)
{
routeDataSource.Clear();
startMarker.Visible = false;
Line line = CreatePolyline(startMarker.Geometry.CenterPos, stopMarker.Geometry.CenterPos, result, lineColor);
routeDataSource.Add(line);
// Add instruction markers
RoutingInstructionVector instructions = result.Instructions;
for (int i = 0; i < instructions.Count; i++)
{
RoutingInstruction instruction = instructions[i];
MapPos position = result.Points[instruction.PointIndex];
CreateRoutePoint(position, instruction, routeDataSource);
}
}
public void ShowRoute(MapPos startPos, MapPos stopPos)
{
// Run routing in background
System.Threading.Tasks.Task.Run(() =>
{
RoutingResult result = Routing.GetResult(startPos, stopPos);
InvokeOnMainThread(() =>
{
if (result == null)
{
Alert("Routing failed. Have you downloaded offline package for the region?");
return;
}
Routing.Show(result);
Alert(Routing.GetMessage(result));
});
});
}
private void btnRoute_Click(object sender, EventArgs e)
{
RoutingSource routingSource = new RtgRoutingSource(@"..\..\SampleData\AustinStreetFromOleDb.rtg");
RoutingEngine routingEngine = new RoutingEngine(routingSource, new DijkstraRoutingAlgorithm(), featureSource);
RoutingResult routingResult = routingEngine.GetRoute(txtStartId.Text, txtEndId.Text);
RoutingLayer routingLayer = (RoutingLayer)((LayerOverlay)winformsMap1.Overlays["RoutingOverlay"]).Layers["RoutingLayer"];
winformsMap1.Overlays["RoutingOverlay"].Lock.EnterWriteLock();
try
{
routingLayer.Routes.Clear();
routingLayer.Routes.Add(routingResult.Route);
}
finally
{
winformsMap1.Overlays["RoutingOverlay"].Lock.ExitWriteLock();
}
winformsMap1.Refresh();
}
public RoutingResult GetResult(MapPos startPos, MapPos stopPos)
{
MapPosVector poses = new MapPosVector();
poses.Add(startPos);
poses.Add(stopPos);
RoutingRequest request = new RoutingRequest(Projection, poses);
RoutingResult result = null;
try
{
result = Service.CalculateRoute(request);
}
catch (Exception e)
{
Console.WriteLine("Exception calculating route: " + e.Message);
}
return(result);
}
public void Show(RoutingResult result)
{
routeDataSource.Clear();
routeInstructionSource.Clear();
var color = new Color(0, 122, 255, 225);
Line line = CreatePolyline(result, color);
routeDataSource.Add(line);
// Add instruction markers
RoutingInstructionVector instructions = result.Instructions;
if (ShowTurns)
{
for (int i = 0; i < instructions.Count; i++)
{
RoutingInstruction instruction = instructions[i];
MapPos position = result.Points[instruction.PointIndex];
CreateRoutePoint(position, instruction, routeInstructionSource);
}
}
}
public void ShowRoute(MapPos startPos, MapPos stopPos)
{
// Run routing in background
System.Threading.Tasks.Task.Run(() =>
{
RoutingResult result = Routing.GetResult(startPos, stopPos);
// Update response in UI thread
RunOnUiThread(() =>
{
if (result == null)
{
Alert("Routing failed");
return;
}
Alert(Routing.GetMessage(result));
Routing.Show(result);
RoutingComplete();
});
});
}
public void ShowRoute(MapPos startPos, MapPos stopPos)
{
// Run routing in background
System.Threading.Tasks.Task.Run(() =>
{
long time = DateTime.Now.Millisecond;
RoutingResult result = null;
try
{
result = Routing.GetResult(startPos, stopPos);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
// Update response in UI thread
long now = DateTime.Now.Millisecond;
InvokeOnMainThread(() =>
{
if (result == null)
{
Alert("Routing failed. Have you downloaded offline package for the region?");
return;
}
Alert(Routing.GetMessage(result, time, now));
Color lineColor = new Color(0, 122, 255, 255);
Routing.Show(result, lineColor);
});
});
}
private void Route()
{
RoutingLayer routingLayer = (RoutingLayer)((LayerOverlay)winformsMap1.Overlays["RoutingOverlay"]).Layers["RoutingLayer"];
avoidableFeatureIds.Clear();
foreach (Feature feature in roadblocksLayer.InternalFeatures)
{
avoidableFeatureIds.Add(feature.Id);
}
routingLayer.Routes.Clear();
RoutingResult routingResult = routingEngine.GetRoute(routingLayer.StartPoint, routingLayer.EndPoint);
if (routingResult.Features.Count == 0)
{
MessageBox.Show("No route exists!");
}
else
{
routingLayer.Routes.Add(routingResult.Route);
}
winformsMap1.Refresh(winformsMap1.Overlays["RoutingOverlay"]);
}
private void MapView_SingleTap(object sender, SingleTapMapViewEventArgs e)
{
routingLayer.Routes.Clear();
if (firstClick)
{
routingLayer.StartPoint = e.WorldPoint;
firstClick = false;
}
else
{
routingLayer.EndPoint = e.WorldPoint;
firstClick = true;
}
routingLayer.Routes.Clear();
if (routingLayer.StartPoint != null && routingLayer.EndPoint != null)
{
RoutingResult routingResult = routingEngine.GetRoute(routingLayer.StartPoint, routingLayer.EndPoint);
routingLayer.Routes.Add(routingResult.Route);
ShowTurnByTurnDirections(routingResult.RouteSegments, routingResult.Features);
}
layerOverlay.Refresh();
}
// Creates a line from GraphHopper response
protected Line CreatePolyline(MapPos start, MapPos end, RoutingResult result, Color darkGray)
{
LineStyleBuilder lineStyleBuilder = new LineStyleBuilder();
lineStyleBuilder.Color = darkGray;
lineStyleBuilder.Width = 12;
return new Line(result.Points, lineStyleBuilder.BuildStyle());
}
public void Show(RoutingResult result, Color darkGray)
{
routeDataSource.Clear();
startMarker.Visible = false;
Line line = CreatePolyline(startMarker.Geometry.CenterPos, stopMarker.Geometry.CenterPos, result, darkGray);
routeDataSource.Add(line);
// Add instruction markers
RoutingInstructionVector instructions = result.Instructions;
for (int i = 0; i < instructions.Count; i++)
{
RoutingInstruction instruction = instructions[i];
MapPos position = result.Points[instruction.PointIndex];
CreateRoutePoint(position, instruction, routeDataSource);
}
}
public string GetMessage(RoutingResult result, long start, long current)
{
string distance = "The route is " + (int)(result.TotalDistance / 100) / 10f + "km";
string time = "(" + result.TotalTime.ConvertFromSecondsToHours() + ")";
string calculation = " | Calculation: " + (current - start) + " ms";
return distance + time + calculation;
}
void Done(RoutingResult result)
{
if (_rr != null)
return;
_rr = result;
_completed = true;
_done.Set ();
if (_callback != null)
_callback (this);
}
