private void AnimateTank()
{
// Return if tank already arrived.
if (_tankEndPoint == null)
{
return;
}
// Get current location and distance from the destination.
MapPoint location = (MapPoint)_tank.Geometry;
GeodeticDistanceResult distance = GeometryEngine.DistanceGeodetic(
location, _tankEndPoint, _metersUnit, _degreesUnit, GeodeticCurveType.Geodesic);
// Move the tank a short distance.
location = GeometryEngine.MoveGeodetic(new List <MapPoint>()
{
location
}, 1.0, _metersUnit, distance.Azimuth1, _degreesUnit,
GeodeticCurveType.Geodesic).First();
_tank.Geometry = location;
// Rotate to face the destination.
double heading = (double)_tank.Attributes["HEADING"];
heading = heading + (distance.Azimuth1 - heading) / 10;
_tank.Attributes["HEADING"] = heading;
// Clear the destination if the tank already arrived.
if (distance.Distance < 5)
{
_tankEndPoint = null;
}
}
private async void AssociatedObject_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
{
if (!IsEnabled)
{
return;
}
e.Handled = true;
var mapView = AssociatedObject;
var screenPosition = e.GetPosition(AssociatedObject);
if (IsCursorOutsideControl(screenPosition))
{
HideTargetScale();
return;
}
_deltas += e.Delta;
var direction = GetDirection(_deltas);
double factor = (mapView.InteractionOptions.ZoomFactor * Math.Abs(_deltas / 120));
double scale = GetNewScale(factor, direction);
Trace.WriteLine($"{scale}");
// TODO: stretch or shrink current map image for visual indication of direction/scale
UpdateTargetScale(scale);
var delta = _deltas;
await Task.Delay(400);
if (delta != _deltas)
{
// Accumulate multiple deltas before starting the actual zoom
return;
}
_deltas = 0;
var screenLocation = mapView.ScreenToLocation(screenPosition);
var centerLocation = (MapPoint)mapView.GetCurrentViewpoint(ViewpointType.CenterAndScale).TargetGeometry;
var distance = GeometryEngine.DistanceGeodetic(screenLocation, centerLocation, LinearUnits.Meters, AngularUnits.Degrees,
GeodeticCurveType.Geodesic);
double distanceValue = GetNewValue(distance.Distance, factor, direction);
var targetCenter = GeometryEngine.MoveGeodetic(new[] { screenLocation }, distanceValue, LinearUnits.Meters,
distance.Azimuth1, distance.AzimuthUnit, GeodeticCurveType.Geodesic)
.First();
await mapView.SetViewpointAsync(
new Viewpoint(targetCenter, scale), TimeSpan.Zero);
HideTargetScale();
}
private void OnAddPolylinesCommand()
{
var points = GetPoints();
foreach (var point in points)
{
var linePoints = new List <MapPoint>();
for (int i = 0; i < 30; i++)
{
linePoints.AddRange(GeometryEngine.MoveGeodetic(new[] { point }, 500, LinearUnits.Meters,
_random.Next(0, 360),
AngularUnits.Degrees, GeodeticCurveType.Geodesic));
}
var polyLine = new PolylineBuilder(linePoints, SpatialReferences.Wgs84);
GraphicsProvider.Publish(new MapObject(polyLine.ToGeometry())
{
LayerId = LayerKeys.Polyline.ToString()
});
}
}
public void PlotButton_Click(object sender, RoutedEventArgs e)
{
azimuthPoint = double.Parse(textAzimuth.Text);
distancePoint = double.Parse(textDistance.Text);
//distanceList.Add(distancePoint);
if (azimuthPoint <= 360)
{
if (azimuthPoint <= 180)
{
var result = azimuthPoint;
//azimuthList.Add(result);
//TraverseData.AzimuthList.Add(result);
//azimuthList.Add(result);
}
if (azimuthPoint > 180)
{
var result = 180 - (azimuthPoint);
//azimuthList.Add(result);
//TraverseData.AzimuthList.Add(result);
//azimuthList.Add(result);
}
textAzimuth.Text = "";
textDistance.Text = "";
}
double result1;
double result2;
//GeodeticDistanceResult distance = GeometryEngine.DistanceGeodetic(start, destination, LinearUnits.Meters, AngularUnits.Degrees, GeodeticCurveType.NormalSection);
IReadOnlyList <MapPoint> coordinateList = GeometryEngine.MoveGeodetic(mapPoints, distancePoint, LinearUnits.Meters, azimuthPoint, AngularUnits.Degrees, GeodeticCurveType.NormalSection);
GeodeticDistanceResult travel = GeometryEngine.DistanceGeodetic(start, coordinateList[0], LinearUnits.Meters, AngularUnits.Degrees, GeodeticCurveType.NormalSection);
graphic1.Geometry = coordinateList[0];
if (travel.Azimuth1 >= 0)
{
result1 = travel.Azimuth1;
}
else
{
result1 = travel.Azimuth1 + 360;
}
if (travel.Azimuth2 >= 0)
{
result2 = travel.Azimuth2;
}
else
{
result2 = travel.Azimuth2 + 360;
}
textBox.Text = string.Format($"Distance:{travel.Distance} | Azimuth1:{result1} | Azimuth2:{result2} |Initial Point :410175.775805, 552181.881083");
//textBox.Text = string.Format("{0} kilometers", (int)distance);
// Get the points that define the route polyline.
Esri.ArcGISRuntime.Geometry.PointCollection polylinePoints = new Esri.ArcGISRuntime.Geometry.PointCollection(new SpatialReference(3168))
{
(MapPoint)_startLocationGraphic.Geometry,
coordinateList[0]
};
// Create the polyline for the two points.
Polyline routeLine = new Polyline(polylinePoints);
// Densify the polyline to show the geodesic curve.
Esri.ArcGISRuntime.Geometry.Geometry pathGeometry = GeometryEngine.DensifyGeodetic(routeLine, 1, LinearUnits.Kilometers, GeodeticCurveType.Geodesic);
// Apply the curved line to the path graphic.
_pathGraphic.Geometry = pathGeometry;
}