private void TargetCenterPropertyChanged(Location targetCenter) { if (!internalPropertyChange) { AdjustCenterProperty(TargetCenterProperty, ref targetCenter); if (!targetCenter.Equals(Center)) { var targetCenterLongitude = MapProjection.IsNormalCylindrical ? Location.NearestLongitude(targetCenter.Longitude, Center.Longitude) : targetCenter.Longitude; if (centerAnimation != null) { centerAnimation.Completed -= CenterAnimationCompleted; } centerAnimation = new PointAnimation { From = new Point(Center.Longitude, Center.Latitude), To = new Point(targetCenterLongitude, targetCenter.Latitude), Duration = AnimationDuration, EasingFunction = AnimationEasingFunction }; centerAnimation.Completed += CenterAnimationCompleted; this.BeginAnimation(CenterPointProperty, centerAnimation); } } }
private void TargetCenterPropertyChanged(Location targetCenter) { if (!internalPropertyChange) { AdjustCenterProperty(TargetCenterProperty, ref targetCenter); if (!targetCenter.Equals(Center)) { if (centerAnimation != null) { centerAnimation.Completed -= CenterAnimationCompleted; } // animate private CenterPoint property by PointAnimation centerAnimation = new PointAnimation { From = mapTransform.Transform(Center), To = mapTransform.Transform(targetCenter, Center.Longitude), Duration = AnimationDuration, EasingFunction = AnimationEasingFunction }; centerAnimation.Completed += CenterAnimationCompleted; this.BeginAnimation(CenterPointProperty, centerAnimation); } } }
private void TargetCenterPropertyChanged(Location targetCenter) { if (!internalPropertyChange) { AdjustCenterProperty(TargetCenterProperty, ref targetCenter); if (!targetCenter.Equals(Center)) { if (centerAnimation != null) { centerAnimation.Completed -= CenterAnimationCompleted; } centerAnimation = new PointAnimation { From = new Point(Center.Longitude, Center.Latitude), To = new Point(ConstrainedLongitude(targetCenter.Longitude), targetCenter.Latitude), Duration = AnimationDuration, EasingFunction = AnimationEasingFunction }; centerAnimation.Completed += CenterAnimationCompleted; this.BeginAnimation(CenterPointProperty, centerAnimation); } } }
private void TargetCenterPropertyChanged(Location targetCenter) { if (!internalPropertyChange) { AdjustCenterProperty(TargetCenterProperty, ref targetCenter); if (!targetCenter.Equals(Center)) { if (centerAnimation != null) { centerAnimation.Completed -= CenterAnimationCompleted; } // animate private CenterPoint property by PointAnimation centerAnimation = new PointAnimation { From = MapProjection.LocationToPoint(Center), To = MapProjection.LocationToPoint(new Location( targetCenter.Latitude, Location.NearestLongitude(targetCenter.Longitude, Center.Longitude))), Duration = AnimationDuration, EasingFunction = AnimationEasingFunction }; centerAnimation.Completed += CenterAnimationCompleted; this.BeginAnimation(CenterPointProperty, centerAnimation); } } }
public override Point LocationToMap(Location location) { if (location.Equals(Center)) { return(new Point()); } GetAzimuthDistance(Center, location, out double azimuth, out double distance); var mapDistance = Math.Tan(distance / 2d) * 2d * Wgs84EquatorialRadius; return(new Point(mapDistance * Math.Sin(azimuth), mapDistance * Math.Cos(azimuth))); }
public override Point LocationToMap(Location location) { if (location.Equals(Center)) { return(new Point()); } double azimuth, distance; GetAzimuthDistance(Center, location, out azimuth, out distance); var mapDistance = Math.Tan(distance / 2d) * 2d * UnitsPerDegree * 180d / Math.PI; return(new Point(mapDistance * Math.Sin(azimuth), mapDistance * Math.Cos(azimuth))); }
public override Point LocationToMap(Location location) { if (location.Equals(Center)) { return(new Point()); } GetAzimuthDistance(Center, location, out double azimuth, out double distance); var mapDistance = distance < Math.PI / 2d ? Math.Tan(distance) * Wgs84EquatorialRadius : double.PositiveInfinity; return(new Point(mapDistance * Math.Sin(azimuth), mapDistance * Math.Cos(azimuth))); }
public override Point LocationToPoint(Location location) { if (location.Equals(ProjectionCenter)) { return(new Point()); } double azimuth, distance; GetAzimuthDistance(ProjectionCenter, location, out azimuth, out distance); distance *= TrueScale * 180d / Math.PI; return(new Point(distance * Math.Sin(azimuth), distance * Math.Cos(azimuth))); }
public override Point LocationToMap(Location location) { if (location.Equals(Center)) { return(new Point()); } var lat0 = Center.Latitude * Math.PI / 180d; var lat = location.Latitude * Math.PI / 180d; var dLon = (location.Longitude - Center.Longitude) * Math.PI / 180d; return(new Point( Wgs84EquatorialRadius * Math.Cos(lat) * Math.Sin(dLon), Wgs84EquatorialRadius * (Math.Cos(lat0) * Math.Sin(lat) - Math.Sin(lat0) * Math.Cos(lat) * Math.Cos(dLon)))); }
public override Point LocationToPoint(Location location) { if (location.Equals(ProjectionCenter)) { return(new Point()); } double azimuth, distance; GetAzimuthDistance(ProjectionCenter, location, out azimuth, out distance); distance *= Wgs84EquatorialRadius; return(new Point(distance * Math.Sin(azimuth), distance * Math.Cos(azimuth))); }
public override Point LocationToPoint(Location location) { if (location.Equals(projectionCenter)) { return(new Point()); } double azimuth, distance; GetAzimuthDistance(projectionCenter, location, out azimuth, out distance); var mapDistance = 2d * Wgs84EquatorialRadius * Math.Tan(distance / 2d); return(new Point(mapDistance * Math.Sin(azimuth), mapDistance * Math.Cos(azimuth))); }
public override Point LocationToPoint(Location location) { if (location.Equals(ProjectionCenter)) { return(new Point()); } var lat0 = ProjectionCenter.Latitude * Math.PI / 180d; var lat = location.Latitude * Math.PI / 180d; var dLon = (location.Longitude - ProjectionCenter.Longitude) * Math.PI / 180d; var s = TrueScale * 180d / Math.PI; return(new Point( s * Math.Cos(lat) * Math.Sin(dLon), s * (Math.Cos(lat0) * Math.Sin(lat) - Math.Sin(lat0) * Math.Cos(lat) * Math.Cos(dLon)))); }
public override Point LocationToMap(Location location) { if (location.Equals(Center)) { return(new Point()); } var lat0 = Center.Latitude * Math.PI / 180d; var lat = location.Latitude * Math.PI / 180d; var dLon = (location.Longitude - Center.Longitude) * Math.PI / 180d; var s = UnitsPerDegree * 180d / Math.PI; return(new Point( s * Math.Cos(lat) * Math.Sin(dLon), s * (Math.Cos(lat0) * Math.Sin(lat) - Math.Sin(lat0) * Math.Cos(lat) * Math.Cos(dLon)))); }
public override Point LocationToPoint(Location location) { if (location.Equals(ProjectionCenter)) { return(new Point()); } double azimuth, distance; GetAzimuthDistance(ProjectionCenter, location, out azimuth, out distance); var mapDistance = distance < Math.PI / 2d ? Math.Tan(distance) * TrueScale * 180d / Math.PI : double.PositiveInfinity; return(new Point(mapDistance * Math.Sin(azimuth), mapDistance * Math.Cos(azimuth))); }
protected override void OnViewportChanged(ViewportChangedEventArgs e) { if (path == null) { path = new Path { Data = new PathGeometry() }; path.SetBinding(Shape.StrokeProperty, GetBindingExpression(StrokeProperty)?.ParentBinding ?? new Binding { Source = this, Path = new PropertyPath("Stroke") }); path.SetBinding(Shape.StrokeThicknessProperty, GetBindingExpression(StrokeThicknessProperty)?.ParentBinding ?? new Binding { Source = this, Path = new PropertyPath("StrokeThickness") }); Children.Add(path); } var bounds = ParentMap.ViewportTransform.Inverse.TransformBounds(new Rect(new Point(), ParentMap.RenderSize)); var start = ParentMap.MapTransform.Transform(new Point(bounds.X, bounds.Y)); var end = ParentMap.MapTransform.Transform(new Point(bounds.X + bounds.Width, bounds.Y + bounds.Height)); var lineDistance = GetLineDistance(); var labelStart = new Location( Math.Ceiling(start.Latitude / lineDistance) * lineDistance, Math.Ceiling(start.Longitude / lineDistance) * lineDistance); var labelEnd = new Location( Math.Floor(end.Latitude / lineDistance) * lineDistance, Math.Floor(end.Longitude / lineDistance) * lineDistance); var lineStart = new Location( Math.Min(Math.Max(labelStart.Latitude - lineDistance, -ParentMap.MapTransform.MaxLatitude), ParentMap.MapTransform.MaxLatitude), labelStart.Longitude - lineDistance); var lineEnd = new Location( Math.Min(Math.Max(labelEnd.Latitude + lineDistance, -ParentMap.MapTransform.MaxLatitude), ParentMap.MapTransform.MaxLatitude), labelEnd.Longitude + lineDistance); if (!lineStart.Equals(graticuleStart) || !lineEnd.Equals(graticuleEnd)) { graticuleStart = lineStart; graticuleEnd = lineEnd; var geometry = (PathGeometry)path.Data; geometry.Figures.Clear(); geometry.Transform = ParentMap.ViewportTransform; for (var lat = labelStart.Latitude; lat <= end.Latitude; lat += lineDistance) { var figure = new PathFigure { StartPoint = ParentMap.MapTransform.Transform(new Location(lat, lineStart.Longitude)), IsClosed = false, IsFilled = false }; figure.Segments.Add(new LineSegment { Point = ParentMap.MapTransform.Transform(new Location(lat, lineEnd.Longitude)), }); geometry.Figures.Add(figure); } for (var lon = labelStart.Longitude; lon <= end.Longitude; lon += lineDistance) { var figure = new PathFigure { StartPoint = ParentMap.MapTransform.Transform(new Location(lineStart.Latitude, lon)), IsClosed = false, IsFilled = false }; figure.Segments.Add(new LineSegment { Point = ParentMap.MapTransform.Transform(new Location(lineEnd.Latitude, lon)), }); geometry.Figures.Add(figure); } var labelFormat = GetLabelFormat(lineDistance); var childIndex = 1; // 0 for Path for (var lat = labelStart.Latitude; lat <= end.Latitude; lat += lineDistance) { for (var lon = labelStart.Longitude; lon <= end.Longitude; lon += lineDistance) { TextBlock label; if (childIndex < Children.Count) { label = (TextBlock)Children[childIndex]; } else { var renderTransform = new TransformGroup(); renderTransform.Children.Add(new TranslateTransform()); renderTransform.Children.Add(ParentMap.RotateTransform); renderTransform.Children.Add(new TranslateTransform()); label = new TextBlock { RenderTransform = renderTransform }; label.SetBinding(TextBlock.ForegroundProperty, GetBindingExpression(ForegroundProperty)?.ParentBinding ?? new Binding { Source = this, Path = new PropertyPath("Foreground") }); Children.Add(label); } childIndex++; if (FontFamily != null) { label.FontFamily = FontFamily; } label.FontSize = FontSize; label.FontStyle = FontStyle; label.FontStretch = FontStretch; label.FontWeight = FontWeight; label.Text = GetLabelText(lat, labelFormat, "NS") + "\n" + GetLabelText(Location.NormalizeLongitude(lon), labelFormat, "EW"); label.Tag = new Location(lat, lon); label.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity)); var translateTransform = (TranslateTransform)((TransformGroup)label.RenderTransform).Children[0]; translateTransform.X = StrokeThickness / 2d + 2d; translateTransform.Y = -label.DesiredSize.Height / 2d; } } while (Children.Count > childIndex) { Children.RemoveAt(Children.Count - 1); } } // don't use MapPanel.Location because labels may be at more than 180° distance from map center for (int i = 1; i < Children.Count; i++) { var label = (TextBlock)Children[i]; var location = (Location)label.Tag; var viewportTransform = (TranslateTransform)((TransformGroup)label.RenderTransform).Children[2]; var viewportPosition = ParentMap.LocationToViewportPoint(location); viewportTransform.X = viewportPosition.X; viewportTransform.Y = viewportPosition.Y; } base.OnViewportChanged(e); }
protected override void OnViewportChanged() { var bounds = ParentMap.ViewportTransform.Inverse.TransformBounds(new Rect(new Point(), ParentMap.RenderSize)); var start = ParentMap.MapTransform.Transform(new Point(bounds.X, bounds.Y)); var end = ParentMap.MapTransform.Transform(new Point(bounds.X + bounds.Width, bounds.Y + bounds.Height)); var minSpacing = MinLineSpacing * 360d / (Math.Pow(2d, ParentMap.ZoomLevel) * 256d); var spacing = LineSpacings[LineSpacings.Length - 1]; if (spacing >= minSpacing) { spacing = LineSpacings.FirstOrDefault(s => s >= minSpacing); } var labelStart = new Location( Math.Ceiling(start.Latitude / spacing) * spacing, Math.Ceiling(start.Longitude / spacing) * spacing); var labelEnd = new Location( Math.Floor(end.Latitude / spacing) * spacing, Math.Floor(end.Longitude / spacing) * spacing); var lineStart = new Location( Math.Min(Math.Max(labelStart.Latitude - spacing, -ParentMap.MapTransform.MaxLatitude), ParentMap.MapTransform.MaxLatitude), labelStart.Longitude - spacing); var lineEnd = new Location( Math.Min(Math.Max(labelEnd.Latitude + spacing, -ParentMap.MapTransform.MaxLatitude), ParentMap.MapTransform.MaxLatitude), labelEnd.Longitude + spacing); if (!lineStart.Equals(graticuleStart) || !lineEnd.Equals(graticuleEnd)) { graticuleStart = lineStart; graticuleEnd = lineEnd; var geometry = (PathGeometry)path.Data; geometry.Figures.Clear(); geometry.Transform = ParentMap.ViewportTransform; for (var lat = labelStart.Latitude; lat <= end.Latitude; lat += spacing) { var figure = new PathFigure { StartPoint = ParentMap.MapTransform.Transform(new Location(lat, lineStart.Longitude)), IsClosed = false, IsFilled = false }; figure.Segments.Add(new LineSegment { Point = ParentMap.MapTransform.Transform(new Location(lat, lineEnd.Longitude)), }); geometry.Figures.Add(figure); } for (var lon = labelStart.Longitude; lon <= end.Longitude; lon += spacing) { var figure = new PathFigure { StartPoint = ParentMap.MapTransform.Transform(new Location(lineStart.Latitude, lon)), IsClosed = false, IsFilled = false }; figure.Segments.Add(new LineSegment { Point = ParentMap.MapTransform.Transform(new Location(lineEnd.Latitude, lon)), }); geometry.Figures.Add(figure); } var childIndex = 1; // 0 for Path var format = spacing < 1d ? "{0} {1}°{2:00}'" : "{0} {1}°"; for (var lat = labelStart.Latitude; lat <= end.Latitude; lat += spacing) { for (var lon = labelStart.Longitude; lon <= end.Longitude; lon += spacing) { TextBlock label; if (childIndex < Children.Count) { label = (TextBlock)Children[childIndex]; } else { var renderTransform = new TransformGroup(); renderTransform.Children.Add(new TranslateTransform()); renderTransform.Children.Add(ParentMap.RotateTransform); renderTransform.Children.Add(new TranslateTransform()); label = new TextBlock { RenderTransform = renderTransform }; label.SetBinding(TextBlock.ForegroundProperty, new Binding { Source = this, Path = new PropertyPath("Foreground") }); Children.Add(label); } childIndex++; if (FontFamily != null) { label.FontFamily = FontFamily; } label.FontSize = FontSize; label.FontStyle = FontStyle; label.FontStretch = FontStretch; label.FontWeight = FontWeight; label.Text = string.Format("{0}\n{1}", CoordinateString(lat, format, "NS"), CoordinateString(Location.NormalizeLongitude(lon), format, "EW")); label.Tag = new Location(lat, lon); label.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity)); var translateTransform = (TranslateTransform)((TransformGroup)label.RenderTransform).Children[0]; translateTransform.X = StrokeThickness / 2d + 2d; translateTransform.Y = -label.DesiredSize.Height / 2d; } } while (Children.Count > childIndex) { Children.RemoveAt(Children.Count - 1); } } // don't use MapPanel.Location because labels may be at more than 180° distance from map center for (int i = 1; i < Children.Count; i++) { var label = (TextBlock)Children[i]; var location = (Location)label.Tag; var viewportTransform = (TranslateTransform)((TransformGroup)label.RenderTransform).Children[2]; var viewportPosition = ParentMap.LocationToViewportPoint(location); viewportTransform.X = viewportPosition.X; viewportTransform.Y = viewportPosition.Y; } base.OnViewportChanged(); }