/// <summary>${utility_DictionaryConverter_method_ToGeoLine_D}</summary>
public static GeoLine ToGeoLine(this PolylineElement polylineElement)
{
if (polylineElement != null && polylineElement.Point2Ds != null && polylineElement.Point2Ds.Count > 0)
{
GeoLine line = new GeoLine();
line.Parts.Add(polylineElement.Point2Ds.Clone());
return line;
}
return null;
}
internal GeoLine Clip(GeoLine line)
{
GeoLine newLine = new GeoLine();
foreach (Point2DCollection points in line.Parts)
{
IList<Point2DCollection> list = this.ClipPointCollection(points, this.boundary);
if ((list != null) && (list.Count > 0))
{
foreach (Point2DCollection points2 in list)
{
newLine.Parts.Add(points2);
}
continue;
}
}
return newLine;
}
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.Web.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
}
private void endDraw(bool isDblClick = false, bool isCancel = false)
{
if (points != null)
{
if (isDblClick)
{
points.RemoveAt(points.Count - 1);
}
PolylineElement pLine = new PolylineElement()
{
Point2Ds = this.points.Clone(),
#region 所有风格的控制
Stroke = this.Stroke,
StrokeThickness = this.StrokeThickness,
StrokeMiterLimit = this.StrokeMiterLimit,
StrokeDashOffset = this.StrokeDashOffset,
StrokeDashArray = this.StrokeDashArray,
StrokeDashCap = this.StrokeDashCap,
StrokeEndLineCap = this.StrokeEndLineCap,
StrokeLineJoin = this.StrokeLineJoin,
StrokeStartLineCap = this.StrokeStartLineCap,
Opacity = this.Opacity,
Fill = this.Fill,
FillRule = this.FillRule
#endregion
};
GeoLine geoLine = new GeoLine();//构造返回的Geometry
geoLine.Parts.Add(points);
DrawEventArgs args = new DrawEventArgs
{
DrawName = Name,
Element = pLine, //Element = this.polyline //直接返回是固定像素的
Geometry = geoLine,
Canceled = isCancel
};
Deactivate();
OnDrawCompleted(args);
}
}
//预留接口
private static GeoLine ToGeoLine(XElement xe)
{
GeoLine line = new GeoLine();
return line;
}
internal GeoLine ToGeoLine()
{
if (this.Parts != null)
{
List<Point2DCollection> pss = new List<Point2DCollection>();
Point2DCollection copy = new Point2DCollection();
foreach (Point2D item in this.Point2Ds)
{
copy.Add(item);
}
for (int i = 0; i < this.Parts.Count; i++)
{
Point2DCollection temp = new Point2DCollection();
for (int j = 0; j < this.Parts[i]; j++)
{
temp.Add(copy[j]);
}
pss.Add(temp);
copy.RemoveRange(0, this.Parts[i]);//把前面的删除
} //把Point2Ds根据Parts分成一段一段的
GeoLine line = new GeoLine();
foreach (Point2DCollection item in pss)
{
line.Parts.Add(item);
}
return line;
}
return null;
}
//添加虚拟线；
private void addHoverLineSegment(Point2D p0 , Point2D p1 , int index0 , int index1 , Feature feature , Point2DCollection points , int partIndex)
{
GeoLine line = new GeoLine();
line.Parts.Add(new Point2DCollection() { p0 , p1 });
Feature segment = new Feature() { Geometry = line , Style = hoverLineStyle };
segment.SetZIndex(1);
segment.Attributes.Add("Point2DCollection" , points);
segment.Attributes.Add("Feature" , feature);
segment.Attributes.Add("Index0" , index0);
segment.Attributes.Add("Index1" , index1);
segment.Attributes.Add("PartIndex" , partIndex);
hoverLayer.Features.Add(segment);
}
/// <summary>${core_GeoLine_method_clone_D}</summary>
public override Geometry Clone()
{
GeoLine line = new GeoLine();
if (this.Parts != null)
{
foreach (Point2DCollection points in this.Parts)
{
if (points != null)
{
Point2DCollection item = new Point2DCollection();
foreach (Point2D point in points)
{
if (point != null)
{
item.Add(point.Clone());
}
}
line.Parts.Add(item);
continue;
}
line.Parts.Add(null);
}
}
return line;
}
private GeoLine ParseMultiLineCoordinates(XElement eles)
{
GeoLine line = new GeoLine();
if (eles != null)
{
if (!string.IsNullOrEmpty(eles.Value))
{
string[] values = eles.Value.Trim().Split(',', ' ');
line.Parts.Add(this.GetPoint2Ds(values));
}
}
return line;
}
private void service_ProcessCompleted(object sender, RouteEventArgs e)
{
//预定义线样式
PredefinedLineStyle style = new PredefinedLineStyle { Stroke = new SolidColorBrush(Colors.Red), StrokeThickness = 3 };
//对结果进行判断，增强程序健壮性
if (e.Result == null)
{
MessageBox.Show("查询无结果");
return;
}
if (e.Result.NodePositions == null)
{
MessageBox.Show("查询无结果");
return;
}
if (e.Result.NodePositions.Count == 0)
{
MessageBox.Show("查询无结果");
return;
}
GeoLine line = new GeoLine();
line.Parts.Add(e.Result.NodePositions);
//将feature 添加到图层中
Feature feature = new Feature { Geometry = line, Style = style };
featuresLayer.AddFeature(feature);
}
