private void UpdateManualFeedback()
{
if (LineFromType == LineFromTypes.BearingAndDistance && Azimuth.HasValue && HasPoint1 && Point1 != null)
{
// update feedback
var segment = QueuedTask.Run(() =>
{
var mpList = new List <MapPoint>()
{
Point1
};
// get point 2
var results = GeometryEngine.GeodesicMove(mpList, MapView.Active.Map.SpatialReference, Distance, GetLinearUnit(LineDistanceType), GetAzimuthAsRadians().Value);
foreach (var mp in results)
{
Point2 = mp;
}
if (Point2 != null)
{
return(LineBuilder.CreateLineSegment(Point1, Point2));
}
else
{
return(null);
}
}).Result;
if (segment != null)
{
UpdateFeedbackWithGeoLine(segment);
}
}
}
// Move the polygon the specified distance and angle
private void GeodesicMoveButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (_originalGraphics.Graphics.Count == 0)
{
throw new Exception("Digitize a polygon to move.");
}
var coords = _originalGraphics.Graphics[0].Geometry as IEnumerable <CoordinateCollection>;
if (coords == null)
{
throw new Exception("Digitize a polygon to move.");
}
var points = coords.First().Select(c => new MapPoint(c, mapView.SpatialReference));
var distance = (double)comboDistance.SelectedItem;
var azimuth = (double)sliderAngle.Value;
var movedPoints = GeometryEngine.GeodesicMove(points, distance, LinearUnits.Miles, azimuth);
Polygon movedPoly = new Polygon(movedPoints.Select(p => p.Coordinate), mapView.SpatialReference);
_movedGraphics.Graphics.Clear();
_movedGraphics.Graphics.Add(new Graphic(movedPoly));
}
catch (Exception ex)
{
var _ = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
}
// Move the polygon the specified distance and angle
private void GeodesicMoveButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (_originalOverlay.Graphics.Count == 0)
{
throw new Exception("Digitize a polygon to move.");
}
var coords = _originalOverlay.Graphics[0].Geometry as Multipart;
if (coords == null)
{
throw new Exception("Digitize a polygon to move.");
}
var points = coords.Parts.First().GetPoints();
var distance = (double)comboDistance.SelectedItem;
var azimuth = (double)sliderAngle.Value;
var movedPoints = GeometryEngine.GeodesicMove(points, distance, LinearUnits.Miles, azimuth);
Polygon movedPoly = new PolygonBuilder(movedPoints, MyMapView.SpatialReference).ToGeometry();
_movedOverlay.Graphics.Clear();
_movedOverlay.Graphics.Add(new Graphic(movedPoly));
}
catch (Exception ex)
{
var _x = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
}
}
/// <summary>
/// Method to draw the radials inside the range rings
/// Must have at least 1 radial
/// All radials are drawn from the center point to the farthest ring
/// </summary>
private void DrawRadials()
{
// must have at least 1
if (NumberOfRadials < 1)
{
return;
}
double azimuth = 0.0;
double interval = 360.0 / NumberOfRadials;
double radialLength = 0.0;
if (IsInteractive)
{
radialLength = maxDistance;
}
else
{
radialLength = Distance * NumberOfRings;
}
try
{
// for each radial, draw from center point
for (int x = 0; x < NumberOfRadials; x++)
{
var polyline = QueuedTask.Run(() =>
{
MapPoint movedMP = null;
var mpList = new List <MapPoint>()
{
Point1
};
// get point 2
var results = GeometryEngine.GeodesicMove(mpList, MapView.Active.Map.SpatialReference, radialLength, GetLinearUnit(LineDistanceType), GetAzimuthAsRadians(azimuth));
// update feedback
//UpdateFeedback();
foreach (var mp in results)
{
movedMP = mp;
}
if (movedMP != null)
{
var segment = LineBuilder.CreateLineSegment(Point1, movedMP);
return(PolylineBuilder.CreatePolyline(segment));
}
else
{
return(null);
}
}).Result;
if (polyline != null)
{
AddGraphicToMap(polyline);
}
azimuth += interval;
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}