public static Point2D MetersToLatLon(Point2D point)
{
double lon = point.X / HalfEarthCircumferenceInMeters * 180.0;
double lat = point.Y / HalfEarthCircumferenceInMeters * 180.0;
lat = 180 / Math.PI * (2 * Math.Atan(Math.Exp(lat * Math.PI / 180.0)) - Math.PI / 2);
return new Point2D(lon, lat);
}
/// <summary>${core_Rectangle2D_constructor_Point2D_Point2D_D}</summary>
/// <overloads>${core_Rectangle2D_constructor_overloads}</overloads>
/// <param name="point1">${core_Rectangle2D_constructor_Point2D_Point2D_param_bottomLeft}</param>
/// <param name="point2">${core_Rectangle2D_constructor_Point2D_Point2D_param_topRight}</param>
public Rectangle2D(Point2D point1, Point2D point2)
{
this._x = Math.Min(point1.X, point2.X);
this._y = Math.Min(point1.Y, point2.Y);
this._width = Math.Max((double)(Math.Max(point1.X, point2.X) - this._x), (double)0.0);
this._height = Math.Max((double)(Math.Max(point1.Y, point2.Y) - this._y), (double)0.0);
}
private void node_DrawCompleted(object sender, DrawEventArgs e)
{
Pushpin pushpin = new Pushpin();
//将事件点以图钉样式加到ElementsLayerE上
if (eventPonit.IsChecked == true)
{
//因为事件点只有一个，因此判断是否存在事件点，如果存在就先将以前的事件点删除
if (flag == true)
{
elementsLayerE.Children.Clear();
}
pushpin.Location = e.Geometry.Bounds.Center;
pushpin.Content = "E";
pushpin.Background = new SolidColorBrush(Colors.Red);
elementsLayerE.AddChild(pushpin);
flag = true;
//记录事件点坐标
eventp = pushpin.Location;
}
//将设施点以图钉样式加到ElementsLayer上
if (FacilityPoint.IsChecked == true)
{
pushpin.Location = e.Geometry.Bounds.Center;
pushpin.Content = "F";
pushpin.Background = new SolidColorBrush(Colors.Purple);
elementsLayerF.AddChild(pushpin);
//用 points 数组记录设施点坐标
points.Add(pushpin.Location);
}
}
public static Point2D LatLonToMeters(Point2D point)
{
double mx = point.X / 180.0 * HalfEarthCircumferenceInMeters;
double my = Math.Log(Math.Tan((90 + point.Y) * Math.PI / 360.0)) / (Math.PI / 180.0);
my = my / 180.0 * HalfEarthCircumferenceInMeters;
return new Point2D(mx, my);
}
//清除图层
private void Clear_Click(object sender, RoutedEventArgs e)
{
arbitraryLayerF.Children.Clear();
arbitraryLayerE.Children.Clear();
featuresLayer.ClearFeatures();
eventp = Point2D.Empty;
}
public static Point MapToScreen(Point2D pt2D, Point2D origin, double resolution)
{
if ((!origin.IsEmpty) && !double.IsNaN(resolution))
{
return new Point((pt2D.X - origin.X) / resolution, (origin.Y - pt2D.Y) / resolution);
}
return new Point(double.NaN, double.NaN);
}
/// <summary>${utility_JsonHelper_method_FromPoint2D_D}</summary>
public static string FromPoint2D(Point2D point)
{
if (point.IsEmpty)
{
return "{}"; //string.Empty? null?
}
return string.Format(CultureInfo.InvariantCulture, "{{\"x\":{0},\"y\":{1}}}", point.X, point.Y);
}
public ISClosestFacility()
{
InitializeComponent();
eventp = new Point2D();
arbitraryLayerE = this.MyMap.Layers["MyArbitraryLayerE"] as ElementsLayer;
arbitraryLayerF = this.MyMap.Layers["MyArbitraryLayerF"] as ElementsLayer;
featuresLayer = this.MyMap.Layers["MyFeaturesLayer"] as FeaturesLayer;
}
//清除图层上的全部元素并清空点坐标记录
private void Clear_Click(object sender, RoutedEventArgs e)
{
elementsLayerF.Children.Clear();
elementsLayerE.Children.Clear();
featuresLayer.ClearFeatures();
points.Clear();
eventp = Point2D.Empty;
flag = false;
}
private static Point2D EdgeIntersection(Point2D p0, Point2D p1, double val, bool horizontal)
{
Point2D point = new Point2D(p1.X - p0.X, p1.Y - p0.Y);
if (horizontal)
{
return new Point2D(p0.X + ((point.X / point.Y) * (val - p0.Y)), val);
}
return new Point2D(val, p0.Y + ((point.Y / point.X) * (val - p0.X)));
}
internal string GetCoorStr(Point2D p1, Point2D p2)
{
string str = string.Empty;
if (!p1.IsEmpty && !p2.IsEmpty)
{
str = p1.ToString(CultureInfo.InvariantCulture) + " " + p2.ToString(CultureInfo.InvariantCulture);
}
return str;
}
/// <summary>${core_GeoCircle_constructor_Point2D_double_D}</summary>
/// <param>${core_GeoCircle_constructor_Point2D_double_param__center}</param>
/// <param>${core_GeoCircle_constructor_Point2D_double_param__radius}</param>
public GeoCircle(Point2D _center, double _radius)
{
this.Parts = new ObservableCollection<Point2DCollection>();
if (_center != null)
{
this.center = _center;
this.radius = _radius;
caculateParts();
}
}
public static string FromPoint2DWithTag(Point2D point,string tagName,bool isNumber)
{
if (point.IsEmpty)
{
return "{}"; //string.Empty? null?
}
string format;
if (isNumber)
{
format = "{{\"x\":{0},\"y\":{1},\"{2}\":{3}}}";
}
else
{
format = "{{\"x\":{0},\"y\":{1},\"{2}\":\"{3}\"}}";
}
return string.Format(CultureInfo.InvariantCulture, format, point.X, point.Y,tagName,point.Tag.ToStringEx());
}
internal static Point Point2DToLogicalPoint(Point2D point)
{
double num;
if (point.Y > 85.051128)
{
num = 0.0;
}
else if (point.Y < -85.051128)
{
num = 1.0;
}
else
{
double num2 = Math.Sin((point.X * 3.1415926535897931) / 180.0);
num = 0.5 - (Math.Log((1.0 + num2) / (1.0 - num2)) / 12.566370614359173);
}
return new Point((point.X + 180.0) / 360.0, num);
}
/// <summary>${ui_action_DrawRect_constructor_Map_D}</summary>
/// <example>
/// <code lang="CS">
/// DrawRectangle draw = new DrawRectangle(MyMap,Cursors.Stylus)
/// </code>
/// </example>
/// <param name="map">${ui_action_DrawRect_constructor_Map_param_map}</param>
/// <param name="cursor">${ui_action_MapAction_constructor_Map_param_cursor}</param>
public DrawRectangle(Map map , Cursor cursor)
: base(map , "DrawRectangle" , cursor)
{
startPt = Point2D.Empty;
if (map.Theme == null)
{
Stroke = new SolidColorBrush(Colors.Green);
StrokeThickness = MagicNumber.ACTION_STYLE_DEFAULT_STROKETHICKNESS;
Fill = new SolidColorBrush(Colors.Black);
Opacity = MagicNumber.ACTION_STYLE_DEFAULT_OPACITY;
}
else
{
this.Stroke = map.Theme.Stroke;
this.StrokeThickness = map.Theme.StrokeThickness;
this.Fill = map.Theme.Fill;
this.Opacity = map.Theme.Opacity;
}
}
private Point2D ClipLineSegment(Point2D p0, Point2D p1, Rectangle2D box)
{
Point2D point = new Point2D(p1.X, p1.Y);
if (p1.X < box.Left)
{
point = EdgeIntersection(p0, p1, box.Left, false);
}
else if (p1.X > box.Right)
{
point = EdgeIntersection(p0, p1, box.Right, false);
}
if (point.Y < box.Bottom)
{
return EdgeIntersection(p0, p1, box.Bottom, true);
}
if (point.Y > box.Top)
{
point = EdgeIntersection(p0, p1, box.Top, true);
}
return point;
}
private void sqlService_ProcessCompleted(object sender, QueryEventArgs e)
{
int zMin = Convert.ToInt32(zMinValue.Text);
int zMax = Convert.ToInt32(zMaxValue.Text);
FeatureCollection fc = e.Result.Recordsets[0].Features;
for (int i = 0; i < fc.Count; i++)
{
GeoPoint gp = fc[i].Geometry as GeoPoint;
var z = random.Next(zMin, zMax);
Point2D point = new Point2D()
{
X = gp.X,
Y = gp.Y,
Tag = z
};
inputPoints.Add(point);
}
InterpolationIDWAnalystParameters idwParams = new InterpolationIDWAnalystParameters()
{
Bounds = new Rectangle2D(-2640403.6321084504, 1873792.1034850003, 3247669.390292245, 5921501.395578556),
OutputDataset = "idwcretepoints",
OutputDataSource = "Interpolation",
SearchMode=SearchMode.KDTREE_FIXED_RADIUS,
InterpolationAnalystType=InterpolationAnalystType.GEOMETRY,
InputPoints = inputPoints
};
InterpolationAnalystService service = new InterpolationAnalystService(url);
service.ProcessCompleted += new EventHandler<InterpolateAnalystArgs>(processCompleted);
service.Failed += new EventHandler<SuperMap.Web.Service.ServiceFailedEventArgs>(excuteErrors);
service.ProcessAsync(idwParams);
}
/// <summary>${controls_InfoWindow_method_ShowInfoWindowPo_D}</summary>
/// <param name="loc">${controls_InfoWindow_method_ShowInfoWindow_param_loc}</param>
/// <param name="off">${controls_InfoWindow_method_ShowInfoWindow_param_off}</param>
public void ShowInfoWindow(Point2D loc, Point off)
{
this.location = loc;
this.offset = off;
this.Visibility = Visibility.Visible;
//ChangePosition();这句话导致了无法获取对象树中的window对象的问题。
CompositionTarget.Rendering -= new EventHandler(CompositionTarget_Rendering);
CompositionTarget.Rendering += new EventHandler(CompositionTarget_Rendering);
if (isOnApplyTemplate)
{
AdjustPisition();
}
}
/// <summary>${controls_InfoWindow_method_ShowInfoWindowPoint2D_D}</summary>
/// <param name="location">${controls_InfoWindow_method_ShowInfoWindow_param_location}</param>
public void ShowInfoWindow(Point2D location)
{
ShowInfoWindow(location, offset);
}
private void Activate(Point2D item)
{
if (Map == null || Map.Layers == null)
{
return;
}
ellipse = new Ellipse();
#region 所有风格的控制
ellipse.Stroke = Stroke;
ellipse.StrokeThickness = StrokeThickness;
ellipse.Fill = Fill;
ellipse.StrokeMiterLimit = StrokeMiterLimit;
ellipse.StrokeDashOffset = StrokeDashOffset;
ellipse.StrokeDashArray = StrokeDashArray;
ellipse.StrokeDashCap = StrokeDashCap;
ellipse.StrokeEndLineCap = StrokeEndLineCap;
ellipse.StrokeLineJoin = StrokeLineJoin;
ellipse.StrokeStartLineCap = StrokeStartLineCap;
ellipse.Opacity = Opacity;
#endregion
DrawLayer = new ElementsLayer();
Map.Layers.Add(DrawLayer);
ellipse.SetValue(ElementsLayer.BBoxProperty, new Rectangle2D(item, item));
DrawLayer.Children.Add(ellipse);
isActivated = true;
isDrawing = true;
}
/// <summary>${ui_action_MapAction_event_onMouseDown_D}</summary>
/// <param name="e">${ui_action_MapAction_event_onMouseDown_param_e}</param>
public override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
Point2D item = Map.ScreenToMap(e.GetPosition(Map));
startPt = item;
if (!isActivated)
{
this.Activate(item);
}
e.Handled = true;
base.OnMouseLeftButtonDown(e);
}
private void Activate()
{
pentagram = new PolygonElement();
#region 所有风格的控制
pentagram.Stroke = this.Stroke;
pentagram.StrokeThickness = this.StrokeThickness;
pentagram.Fill = this.Fill;
pentagram.FillRule = this.FillRule;
pentagram.Opacity = this.Opacity;
pentagram.StrokeMiterLimit = this.StrokeMiterLimit;
pentagram.StrokeDashOffset = this.StrokeDashOffset;
pentagram.StrokeDashArray = this.StrokeDashArray;
pentagram.StrokeDashCap = this.StrokeDashCap;
pentagram.StrokeEndLineCap = this.StrokeEndLineCap;
pentagram.StrokeLineJoin = this.StrokeLineJoin;
pentagram.StrokeStartLineCap = this.StrokeStartLineCap;
#endregion
a0 = new Point2D();
a1 = new Point2D();
a2 = new Point2D();
a3 = new Point2D();
a4 = new Point2D();
points = new Point2DCollection();
pentagram.Point2Ds = points;
oldPentagrams = new List<PolygonElement>();
DrawLayer = new ElementsLayer();
Map.Layers.Add(DrawLayer);
isActivated = true;
isDrawing = true;
}
public override void OnMouseMove(MouseEventArgs e)
{
if (isDrawing)
{
for (int i = 0; i < oldPentagrams.Count - 1; i++)
{
DrawLayer.Children.Remove(oldPentagrams[i]);
}
Point2D item = Map.ScreenToMap(e.GetPosition(Map));
#region 五角星算法
maxX = Math.Max(startPt.X, item.X);
minX = Math.Min(startPt.X, item.X);
maxY = Math.Max(startPt.Y, item.Y);
minY = Math.Min(startPt.Y, item.Y);
om = Math.Cos((2 * Math.PI) / 5) * (maxY - minY) / 2;
a1m = Math.Sin((2 * Math.PI) / 5) * (maxY - minY) / 2;
a0x = (maxY - minY) / 2 + minX;
a0y = maxY;
ox = (maxY - minY) / 2 + minX;
oy = maxY + (minY - maxY) / 2;
o = new Point2D(ox, oy);
a0 = new Point2D(a0x, a0y);
a1 = new Point2D(ox - a1m, oy + om);
a2 = new Point2D(ox + a1m, oy + om);
a3 = new Point2D(ox - Math.Sin(Math.PI / 5) * (maxY - minY) / 2, oy - Math.Cos(Math.PI / 5) * (maxY - minY) / 2);
a4 = new Point2D(ox + Math.Sin(Math.PI / 5) * (maxY - minY) / 2, oy - Math.Cos(Math.PI / 5) * (maxY - minY) / 2);
points.Clear();
points.Add(a0);
points.Add(a3);
points.Add(a2);
points.Add(a1);
points.Add(a4);
#endregion
//pentagram.Point2Ds = points;
DrawLayer.Children.Add(pentagram);
oldPentagrams.Add(pentagram);//等待删除
}
base.OnMouseMove(e);
}
public override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
startPt = Map.ScreenToMap(e.GetPosition(Map));
if (!isActivated)
{
Activate();
}
e.Handled = true;
base.OnMouseLeftButtonDown(e);
}
private void Activate(Point2D firstPoint)
{
if (DrawLayer != null)
{
DrawLayer.Children.Clear();
}
if (Map != null)
{
Map.Layers.Remove(DrawLayer);
}
DrawLayer = new ElementsLayer();
Map.Layers.Add(DrawLayer);
Map.Layers.Add(tempLayer);
polyline = new PolylineElement();
#region 所有风格的控制
polyline.Stroke = Stroke;
polyline.StrokeThickness = StrokeThickness;
polyline.StrokeMiterLimit = StrokeMiterLimit;
polyline.StrokeDashOffset = StrokeDashOffset;
polyline.StrokeDashArray = StrokeDashArray;
polyline.StrokeDashCap = StrokeDashCap;
polyline.StrokeEndLineCap = StrokeEndLineCap;
polyline.StrokeLineJoin = StrokeLineJoin;
polyline.StrokeStartLineCap = StrokeStartLineCap;
polyline.Opacity = Opacity;
polyline.Fill = Fill;
polyline.FillRule = FillRule;
#endregion
points = new Point2DCollection();
polyline.Point2Ds = points;
points.Add(firstPoint);
points.Add(firstPoint);
DrawLayer.Children.Add(polyline);
isDrawing = true;
isActivated = true;
}
public override void OnMouseMove(MouseEventArgs e)
{
if (isDrawing)
{
Point2D item = Map.ScreenToMap(e.GetPosition(Map));
if (Math.Round(item.X, 4) == Math.Round(ps[0].X, 4) && Math.Round(item.Y, 4) == Math.Round(ps[0].Y, 4))
{
return;
}
Point2D last = points[points.Count - 1];
points.Remove(last);
points.Add(item);
//获取移动中的点
Point2D movePoint = Map.ScreenToMap(e.GetPosition(Map));
GeoPoint moveP = new GeoPoint(movePoint.X, movePoint.Y);
//算出两点距离
//double moveDistance = Math.Sqrt(Math.Abs(moveP.X - startP.X) + Math.Abs(moveP.Y - startP.Y));
double moveDistance = Math.Sqrt((moveP.X - startP.X) * (moveP.X - startP.X) + (moveP.Y - startP.Y) * (moveP.Y - startP.Y));
// measureMiddleResult.Text = moveDistance.ToString();
measureMiddleResult.Text = string.Format("{0:0.0000}", moveDistance);
Point2D middle = new Point2D((movePoint.X + startPoint.X) / 2, (movePoint.Y + startPoint.Y) / 2);
// 清除临时TextBlocks,在这里清除能提高效率。
tempLayer.Children.Clear();
tempLayer.AddChild(measureMiddleResult, middle);
sumLast = sum + moveDistance;
// measureFinallyResult.Text = "总长度:" + s.ToString() + "km";
measureFinallyResult.Text = "总长度:" + string.Format("{0:0.0000}", sumLast) + "km";
}
base.OnMouseMove(e);
}
public override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
{
startPoint = Map.ScreenToMap(e.GetPosition(Map));
if (!isActivated)
{
Activate(startPoint);
}
else
{
points.Add(startPoint);
}
startP = new GeoPoint(startPoint.X, startPoint.Y);
//每段分别计算
measureMiddleResult = new TextBlock();
measureMiddleResult.FontWeight = FontWeights.ExtraBlack;
measureMiddleResult.Foreground = new SolidColorBrush(Colors.Green);
textBlockContainer.Add(measureMiddleResult);
for (int k = clickeds; k < textBlockContainer.Count; k++)
{
if (clickeds == 0)
{
break;
}
if (textBlockContainer[k - 1].Text == "")
{
return;
}
sum = sum + Convert.ToDouble(textBlockContainer[k - 1].Text);
}
clickeds++;
//记录每个点
ps.Add(startPoint);
//第一次开始或者是双击后继续
if (isOver || clickeds <= 1)
{
sum = 0;
DrawLayer.AddChild(measureFinallyResult, startPoint);
isOver = false;
}
if (DrawLayer != null && clickeds > 1)
{
//重新算中点坐标和距离
Point2D middlePoints = new Point2D((startPoint.X + ps[ps.Count - 2].X) / 2, (startPoint.Y + ps[ps.Count - 2].Y) / 2);
double middleDistance = Math.Sqrt((startPoint.X - ps[ps.Count - 2].X) * (startPoint.X - ps[ps.Count - 2].X) + (startPoint.Y - ps[ps.Count - 2].Y) * (startPoint.Y - ps[ps.Count - 2].Y));
TextBlock tb = new TextBlock();
tb.FontWeight = FontWeights.ExtraBlack;
tb.Foreground = new SolidColorBrush(Colors.Green);
tb.Text = string.Format("{0:0.0000}", middleDistance);
DrawLayer.AddChild(tb, middlePoints);
}
e.Handled = true;
base.OnMouseLeftButtonDown(e);
}
private Point MapToScreen(Point2D pt)
{
return CoordinateTransformationHelper.MapToScreen(pt, new Point2D(OriginX, OriginY), this.Resolution);
}
void action_DrawCompleted(object sender, DrawEventArgs e)
{
_elementsLayer.Children.Remove(pushpin);
//this.boder.Visibility = Visibility.Collapsed;
Route route = new Route();
if (_routeLayer.Features.Count > 0)
{
Feature f = _routeLayer.Features[0];
route = f.Geometry as Route;
}
pushpin.IsEnabled = false;
pushpin.Location = e.Geometry.Bounds.Center;
pushpin.Background = new SolidColorBrush(Colors.Red);
pushpin.Content = "O";
_elementsLayer.AddChild(pushpin);
_queryPoint = (e.Geometry as GeoPoint).Location;
RouteCalculateMeasureParameters param = new RouteCalculateMeasureParameters();
param.IsIgnoreGap = true;
param.Point = _queryPoint;
param.SourceRoute = route;
param.Tolerance = 100;
RouteCalculateMeasureService service = new RouteCalculateMeasureService(_serviceUrl);
service.ProcessComplated += service_ProcessComplated;
service.Failed += service_Failed;
service.ProcessAsync(param);
}
private static string GetCoorStr(Point2D p)
{
string str = string.Empty;
str = p.ToString(CultureInfo.InvariantCulture);
return str;
}
