private void MouseMoved(object sender, MouseMovedTrackInteractiveOverlayEventArgs e)
{
//Gets the shape as it is being tracked and gets its properties to be displayed in labels og groupbox
AreaBaseShape areaBaseShape = (AreaBaseShape)winformsMap1.TrackOverlay.TrackShapeLayer.InternalFeatures[0].GetShape();
double Perimeter = Math.Round(areaBaseShape.GetPerimeter(winformsMap1.MapUnit, DistanceUnit.Kilometer));
double Area = Math.Round(areaBaseShape.GetArea(winformsMap1.MapUnit, AreaUnit.SquareKilometers));
lblPerimeter.Text = String.Format("{0:0,0}", Perimeter) + " km";
lblArea.Text = String.Format("{0:0,0}", Area) + " km2";
//Sets the location (in screen coordinates) of the groupbox according to last moved vertex of the tracked shape (in world coordinates).
ScreenPointF screenPointF = ThinkGeo.MapSuite.Core.ExtentHelper.ToScreenCoordinate(winformsMap1.CurrentExtent, e.MovedVertex.X, e.MovedVertex.Y, winformsMap1.Width, winformsMap1.Height);
groupBoxInfo.Location = new Point((int)screenPointF.X + 30, (int)screenPointF.Y + 10);
}
protected override void OnMouseMoved(MouseMovedTrackInteractiveOverlayEventArgs e)
{
base.OnMouseMoved(e);
var trackShape = GetTrackingShape();
if (!isShiftKeyDown && trackShape != null && (TrackMode == TrackMode.Polygon || TrackMode == TrackMode.Line) &&
editOverlay != null && editOverlay.SnappingLayers.Count > 0)
{
lock (OverlayCanvas.Children)
{
var snappingCircle = OverlayCanvas.Children.OfType <System.Windows.Shapes.Ellipse>().FirstOrDefault();
if (snappingCircle == null)
{
snappingCircle = new System.Windows.Shapes.Ellipse();
snappingCircle.IsHitTestVisible = false;
snappingCircle.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
snappingCircle.VerticalAlignment = System.Windows.VerticalAlignment.Top;
snappingCircle.Stroke = new SolidColorBrush(Colors.Black);
snappingCircle.StrokeThickness = 1;
OverlayCanvas.Children.Add(snappingCircle);
}
var snappingDistance = editOverlay.SnappingDistance;
var snappingDistanceUnit = editOverlay.SnappingDistanceUnit;
var snappingScreenPoint = ExtentHelper.ToScreenCoordinate(MapArguments.CurrentExtent, e.MovedVertex.X, e.MovedVertex.Y, (float)MapArguments.ActualWidth, (float)MapArguments.ActualHeight);
try
{
SnappingAdapter calc = SnappingAdapter.Convert(snappingDistance, snappingDistanceUnit, MapArguments, e.MovedVertex);
var snappingArea = new PointShape(e.MovedVertex.X, e.MovedVertex.Y)
.Buffer(calc.Distance, editOverlay.MapArguments.MapUnit, calc.DistanceUnit)
.GetBoundingBox();
var snappingScreenSize = Math.Max(snappingArea.Width, snappingArea.Height) / MapArguments.CurrentResolution;
snappingCircle.Width = snappingScreenSize;
snappingCircle.Height = snappingScreenSize;
snappingCircle.Margin = new System.Windows.Thickness(snappingScreenPoint.X - snappingScreenSize * .5, snappingScreenPoint.Y - snappingScreenSize * .5, 0, 0);
}
catch
{ }
}
//PointShape snappedPoint = GetSnappingPoint(e.MovedVertex, e.AffectedFeature);
//if (snappedPoint != null)
//{
// e.MovedVertex = new Vertex(snappedPoint);
// lock (OverlayCanvas.Children)
// {
// var snappingCircle = OverlayCanvas.Children.OfType<System.Windows.Shapes.Ellipse>().FirstOrDefault();
// if (snappingCircle == null)
// {
// snappingCircle = new System.Windows.Shapes.Ellipse();
// snappingCircle.IsHitTestVisible = false;
// snappingCircle.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
// snappingCircle.VerticalAlignment = System.Windows.VerticalAlignment.Top;
// snappingCircle.Stroke = new SolidColorBrush(Colors.Black);
// snappingCircle.StrokeThickness = 1;
// OverlayCanvas.Children.Add(snappingCircle);
// }
// var snappingDistance = editOverlay.SnappingDistance;
// var snappingDistanceUnit = editOverlay.SnappingDistanceUnit;
// var snappingScreenPoint = ExtentHelper.ToScreenCoordinate(MapArguments.CurrentExtent, snappedPoint, (float)MapArguments.ActualWidth, (float)MapArguments.ActualHeight);
// SnappingAdapter calc = SnappingAdapter.Convert(snappingDistance, snappingDistanceUnit, MapArguments, e.MovedVertex);
// var snappingArea = snappedPoint.Buffer(calc.Distance, editOverlay.MapArguments.MapUnit, calc.DistanceUnit).GetBoundingBox();
// var snappingScreenSize = Math.Max(snappingArea.Width, snappingArea.Height) / MapArguments.CurrentResolution;
// snappingCircle.Width = snappingScreenSize;
// snappingCircle.Height = snappingScreenSize;
// snappingCircle.Margin = new System.Windows.Thickness(snappingScreenPoint.X - snappingScreenSize * .5, snappingScreenPoint.Y - snappingScreenSize * .5, 0, 0);
// }
//}
}
}
