private void OnViewpointChanged(object sender, EventArgs e)
{
// Get the MapView or SceneView that sent the event
GeoView sendingView = (GeoView)sender;
// Only take action if this geoview is the one that the user is navigating.
// Viewpoint changed events are fired when SetViewpoint is called; This check prevents a feedback loop
if (sendingView.IsNavigating)
{
// If the MapView sent the event, update the SceneView's viewpoint
if (sender is MapView)
{
// Get the viewpoint
Viewpoint updateViewpoint = MyMapView.GetCurrentViewpoint(ViewpointType.CenterAndScale);
// Set the viewpoint
MySceneView.SetViewpoint(updateViewpoint);
}
else // Else, update the MapView's viewpoint
{
// Get the viewpoint
Viewpoint updateViewpoint = MySceneView.GetCurrentViewpoint(ViewpointType.CenterAndScale);
// Set the viewpoint
MyMapView.SetViewpoint(updateViewpoint);
}
}
}
private async void MySceneView_MouseLeftDown(object sender, MouseEventArgs e)
{
if (edit == true && (type == "line" || type == "area"))
{
if (MySceneView.GetCurrentViewpoint(ViewpointType.BoundingGeometry) == null)
{
return;
}
_mapViewModel.Clear(type);
System.Windows.Point screenPoint = e.GetPosition(MySceneView);
MapPoint mapPoint = await MySceneView.ScreenToLocationAsync(screenPoint);
if (mapPoint.X != 0 && mapPoint.Y != 0 && mapPoint.Z != 0)
{
mapPoint = GeometryEngine.NormalizeCentralMeridian(mapPoint) as MapPoint;
mapPoint_list.Add(new MapPoint(mapPoint.X, mapPoint.Y));
if (mapPoint_list.Count > 1)
{
var boatPositions = new PolylineBuilder(SpatialReferences.Wgs84);
boatPositions.AddPoint(new MapPoint(mapPoint_list[mapPoint_list.Count - 2].X, mapPoint_list[mapPoint_list.Count - 2].Y));
boatPositions.AddPoint(new MapPoint(mapPoint_list[mapPoint_list.Count - 1].X, mapPoint_list[mapPoint_list.Count - 1].Y));
var boatRoute = boatPositions.ToGeometry();
_mapViewModel.Line(boatRoute, "temp");;
}
}
}
}
private void addGraphics()
{
//var camera = new Camera(28.4, 83, 20000, 10, 70, 300)
//var x = camera.Location.X - 0.01;
//var y = camera.Location.Y- 0.25;
var type = new ViewpointType();
var extent = MySceneView.GetCurrentViewpoint(type).TargetGeometry.Extent;
var x = extent.XMin - 0.01;
var y = extent.YMax + 0.25;
for (int i = 0; i < 6; i++)
{
for (int j = 0; j < 4; j++)
{
double valueX = x + i * (squareSize + spacing);
double valueY = y + j * (squareSize + spacing);
MapPoint mapPoint = new MapPoint(valueX, valueY);
Geometry polygon = polygonForStartingPoint(mapPoint);
addGraphicsForPolygon(polygon);
}
}
}
private async Task QueryElevation(MapPoint location)
{
if (MySceneView.GetCurrentViewpoint(ViewpointType.BoundingGeometry) == null)
{
return;
}
if (!_isSceneReady)
{
return;
}
try
{
_isSceneReady = false;
double elevation = await _fileElevationSource.GetElevationAsync(location);
if (elevation.ToString() == "NaN")
{
mapTip.Visibility = System.Windows.Visibility.Hidden;
return;
}
MapView.SetViewOverlayAnchor(mapTip, location);
mapTip.Visibility = System.Windows.Visibility.Visible;
txtElevation.Text = String.Format("Elevation: {0} meters", elevation.ToString());
}
catch (Exception ex)
{
MessageBox.Show("Error retrieving elevation values: " + ex.Message, "Sample Error");
}
finally
{
_isSceneReady = true;
}
}