/// <summary>${utility_JsonHelper_method_FromGeoPoint_D}</summary>
public static string FromGeoPoint(GeoPoint point)
{
if (point == null)
{
return "{}";
}
return string.Format(CultureInfo.InvariantCulture, "{{\"x\":{0},\"y\":{1}}}", point.X, point.Y);
}
private void MyMap_Loaded(object sender, RoutedEventArgs e)
{
#region 使用预定义点符号
Feature featurePoint = new Feature();
GeoPoint point = new GeoPoint();
point.X = 116.2;
point.Y = 39.6;
PredefinedMarkerStyle simpleMarkerStyle = new PredefinedMarkerStyle();
simpleMarkerStyle.Color = new SolidColorBrush(Colors.Red);
simpleMarkerStyle.Size = 20;
simpleMarkerStyle.Symbol = SuperMap.WinRT.Core.PredefinedMarkerStyle.MarkerSymbol.Star;
featurePoint.Style = simpleMarkerStyle;
featurePoint.Geometry = point;
featuresLayer.Features.Add(featurePoint);
#endregion
#region 使用预定义线符号
Feature featureLine = new Feature();
Point2DCollection points = new Point2DCollection();
points.Add(new Point2D(116.2, 39.6));
points.Add(new Point2D(90, 50));
points.Add(new Point2D(50, 25));
points.Add(new Point2D(-80, 45));
points.Add(new Point2D(-100, 38));
ObservableCollection<Point2DCollection> path = new ObservableCollection<Point2DCollection>();
path.Add(points);
GeoLine geoLine = new GeoLine();
geoLine.Parts = path;
PredefinedLineStyle simpleLineStyle = new PredefinedLineStyle();
simpleLineStyle.Stroke = new SolidColorBrush(Colors.Black);
simpleLineStyle.StrokeThickness = 1;
simpleLineStyle.StrokeDashArray = new DoubleCollection { 3, 1 };
featureLine.Geometry = geoLine;
featureLine.Style = simpleLineStyle;
featuresLayer.Features.Add(featureLine);
#endregion
#region 使用预定义面符号
Feature featureRegion = new Feature();
Point2DCollection pointsRegion = new Point2DCollection();
pointsRegion.Add(new Point2D(-8, 61));
pointsRegion.Add(new Point2D(-6, 55));
pointsRegion.Add(new Point2D(-8, 50));
pointsRegion.Add(new Point2D(2, 50));
pointsRegion.Add(new Point2D(1, 61));
pointsRegion.Add(new Point2D(-8, 61));
ObservableCollection<Point2DCollection> pRegion = new ObservableCollection<Point2DCollection>();
pRegion.Add(pointsRegion);
GeoRegion geoRegion = new GeoRegion();
geoRegion.Parts = pRegion;
PredefinedFillStyle simpleFillStyle = new PredefinedFillStyle();
simpleFillStyle.StrokeThickness = 1;
simpleFillStyle.Stroke = new SolidColorBrush(Colors.Black);
simpleFillStyle.Fill = new SolidColorBrush(Colors.Yellow);
featureRegion.Geometry = geoRegion;
featureRegion.Style = simpleFillStyle;
featuresLayer.Features.Add(featureRegion);
#endregion
#region 添加文本
Feature featureText = new Feature();
GeoPoint text = new GeoPoint();
text.X = 5;
text.Y = 10;
TextStyle textStyle = new TextStyle();
textStyle.Text = "Africa";
textStyle.FontSize = 40;
textStyle.Foreground = new SolidColorBrush(Colors.Blue);
featureText.Geometry = text;
featureText.Style = textStyle;
featuresLayer.Features.Add(featureText);
#endregion
}
//添加虚拟顶点；
private Feature addHoverVertex(Feature feature , GeoPoint p , int index , int partIndex)
{
Feature hoverVertex = new Feature() { Geometry = p , Style = HoverVertexStyle };
hoverVertex.SetZIndex(2);
hoverLayer.Features.Add(hoverVertex);
hoverVertex.Attributes.Add("Feature" , feature);
hoverVertex.Attributes.Add("Index" , index);
hoverVertex.Attributes.Add("PartIndex" , partIndex);
hoverVertex.AddOnDoubleTapped((s , e) => { deleteOneVertex(s as Feature); });//双击删除某个顶点，线和面。
return hoverVertex;
}
//当线对象时，显示bounds的中心点；
private void addCenterFeature(Feature feature)
{
GeoPoint center = new GeoPoint(feature.Geometry.Bounds.Center.X , feature.Geometry.Bounds.Center.Y);
hoverCenterFeature = new Feature { Geometry = center , Style = HoverCenterStyle };
hoverCenterFeature.SetZIndex(3);
hoverLayer.AddFeature(hoverCenterFeature);
}
private GeoPoint ParsePointCoordinates(string p)
{
GeoPoint point = new GeoPoint();
if (!string.IsNullOrEmpty(p))
{
string[] pointStr = p.Trim().Split(',');
point.X = double.Parse(pointStr[0], CultureInfo.InvariantCulture);
point.Y = double.Parse(pointStr[1], CultureInfo.InvariantCulture);
}
return point;
}
//预留接口
private static GeoPoint ToGeoPoint(XElement xe)
{
GeoPoint point = new GeoPoint();
return point;
}
