public static Esri.ArcGISRuntime.Geometry.Geometry ChangeSpatailReference(
Esri.ArcGISRuntime.Geometry.Geometry geom, SpatialReference sr)
{
if (geom.GeometryType == Esri.ArcGISRuntime.Geometry.GeometryType.Point)
{
MapPoint p = geom as MapPoint;
return(ChangeSpatailReference(p, sr));
}
else if (geom.GeometryType == Esri.ArcGISRuntime.Geometry.GeometryType.Multipoint)
{
Multipoint mp = geom as Multipoint;
IEnumerable <MapPoint> newMP = ChangeSpatialReference(mp.Points, sr);
return(new Multipoint(newMP, sr));
}
else if (geom.GeometryType == Esri.ArcGISRuntime.Geometry.GeometryType.Polyline)
{
Esri.ArcGISRuntime.Geometry.Polyline pl = geom as Esri.ArcGISRuntime.Geometry.Polyline;
PartCollection newPart = ChangeSpatialReference(pl.Parts, sr);
return(new Esri.ArcGISRuntime.Geometry.Polyline(newPart, sr));
}
else if (geom.GeometryType == Esri.ArcGISRuntime.Geometry.GeometryType.Polygon)
{
Esri.ArcGISRuntime.Geometry.Polygon pg = geom as Esri.ArcGISRuntime.Geometry.Polygon;
PartCollection newPart = ChangeSpatialReference(pg.Parts, sr);
return(new Esri.ArcGISRuntime.Geometry.Polygon(newPart, sr));
}
else if (geom.GeometryType == Esri.ArcGISRuntime.Geometry.GeometryType.Envelope)
{
Envelope ev = geom as Envelope;
return(new Envelope(ev.XMin, ev.YMin, ev.XMax, ev.YMax, sr));
}
return(null);
}
private Graphic coordinatesystem_polygon(Graphic graphic)
{
Graphic polylgonGraphic = null;
var poly = graphic.Geometry as Esri.ArcGISRuntime.Geometry.Polygon;
this.polygonbuild = new PolygonBuilder(poly);
foreach (var re in polygonbuild.Parts)
{
IReadOnlyList <MapPoint> mapPoints = re.Points;
var polypoints = Mapcoordinates_Aftertransform(mapPoints);
var polygon = new Esri.ArcGISRuntime.Geometry.Polygon(polypoints);
//Create symbol for polyline
var polylineSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Solid, System.Drawing.Color.Transparent,
new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.FromArgb(0, 0, 255), 2));
//Create a polyline graphic with geometry and symbol
polylgonGraphic = new Graphic(polygon, polylineSymbol);
//Add polygone to graphics overlay
_sketchOverlay.Graphics.Add(polylgonGraphic);
Esri.ArcGISRuntime.Geometry.Geometry gr = polygon;
}
return(polylgonGraphic);
}
public static MapPoint Center(Esri.ArcGISRuntime.Geometry.Polygon polygon)
{
IEnumerable <MapPoint> pc = polygon.Parts[0].GetPoints();
double x = 0;
double y = 0;
// The polygon's first point is coincide with the last point
//for (int i = 0; i < pc.Count - 1; ++i)
//{
// MapPoint p = pc[i];
// x += p.X;
// y += p.Y;
//}
//x /= (pc.Count - 1);
//y /= (pc.Count - 1);
foreach (MapPoint p in pc)
{
x += p.X;
y += p.Y;
}
x /= pc.Count();
y /= pc.Count();
MapPoint center = new MapPoint(x, y);
return(center);
}
/// <summary>
/// Calculates the scale at the center of a polygon, at a given pixel size
/// </summary>
/// <remarks>
/// A pixel is a device independent logical pixel - ie 1/96 inches.
/// </remarks>
/// <param name="visibleArea">The area which center the scale will be calculated for.</param>
/// <param name="unitsPerPixel">The size of a device indepedent pixel in the units of the spatial reference</param>
/// <returns>The MapScale for the center of the view</returns>
public static double CalculateScale(Esri.ArcGISRuntime.Geometry.Polygon visibleArea, double unitsPerPixel)
{
if (visibleArea == null)
{
return(double.NaN);
}
if (visibleArea.SpatialReference == null)
{
return(double.NaN);
}
if (double.IsNaN(unitsPerPixel) || unitsPerPixel <= 0)
{
return(double.NaN);
}
#if __ANDROID__
// Need to convert the value to DIPs
unitsPerPixel /= Android.Util.TypedValue.ApplyDimension(Android.Util.ComplexUnitType.Dip, 1, Internal.ViewExtensions.GetDisplayMetrics());
#endif
var center = visibleArea.Extent.GetCenter();
var centerOnePixelOver = new Geometry.MapPoint(center.X + unitsPerPixel, center.Y, center.SpatialReference);
// Calculate the geodedetic distance between two points one 'pixel' apart
var result = Geometry.GeometryEngine.DistanceGeodetic(center, centerOnePixelOver, Geometry.LinearUnits.Inches, Geometry.AngularUnits.Degrees, Geometry.GeodeticCurveType.Geodesic);
double distanceInInches = result.Distance;
return(distanceInInches * 96);
}
private void MyMapViewOnGeoViewTapped_Area(object sender, GeoViewInputEventArgs geoViewInputEventArgs)
{
// Get the tapped point, projected to WGS84.
MapPoint destination = (MapPoint)GeometryEngine.Project(geoViewInputEventArgs.Location, SpatialReferences.Wgs84);
// 点集（mapPoints） ——记得清空
mapPoints.Add(destination);
int len = mapPoints.Count();
Esri.ArcGISRuntime.Geometry.PointCollection polygonPoints;
Esri.ArcGISRuntime.Geometry.Geometry areaGeometry;
Esri.ArcGISRuntime.Geometry.Polygon routeArea;
if (len > 2)
{
polygonPoints = new Esri.ArcGISRuntime.Geometry.PointCollection(SpatialReferences.Wgs84)
{
mapPoints[len - 3],
mapPoints[len - 2],
destination
};
routeArea = new Esri.ArcGISRuntime.Geometry.Polygon(polygonPoints);
//pathGeometry = GeometryEngine.DensifyGeodetic(routeArea, 1, LinearUnits.Kilometers, GeodeticCurveType.Geodesic);
// 这是测地线的长度
//double distance = GeometryEngine.LengthGeodetic(pathGeometry, LinearUnits.Kilometers, GeodeticCurveType.Geodesic);
double area = GeometryEngine.Area(routeArea);
if (areaList.Count() != 0)
{
area += areaList[areaList.Count() - 1];
}
areaList.Add(area);
myMeasureResult.Text += "\n" + area + " (地图默认面积单位)";
}
}
/// <summary>
/// Calculates the scale at the center of a polygon, at a given pixel size
/// </summary>
/// <remarks>
/// A pixel is a device independent logical pixel - ie 1/96 inches.
/// </remarks>
/// <param name="visibleArea">The area which center the scale will be calculated for.</param>
/// <param name="unitsPerPixel">The size of a device indepedent pixel in the units of the spatial reference</param>
/// <returns>The MapScale for the center of the view</returns>
public static double CalculateScale(Esri.ArcGISRuntime.Geometry.Polygon visibleArea, double unitsPerPixel)
{
if (visibleArea == null)
{
return(double.NaN);
}
if (visibleArea.SpatialReference == null)
{
return(double.NaN);
}
if (double.IsNaN(unitsPerPixel) || unitsPerPixel <= 0)
{
return(double.NaN);
}
var center = visibleArea.Extent.GetCenter();
var centerOnePixelOver = new Geometry.MapPoint(center.X + unitsPerPixel, center.Y, center.SpatialReference);
// Calculate the geodedetic distance between two points one 'pixel' apart
var result = Geometry.GeometryEngine.DistanceGeodetic(center, centerOnePixelOver, Geometry.LinearUnits.Inches, Geometry.AngularUnits.Degrees, Geometry.GeodeticCurveType.Geodesic);
double distanceInInches = result.Distance;
return(distanceInInches * 96);
}
// 鹰眼
private void myMapView_ViewpointChanged(object sender, EventArgs e)
{
// 声明鹰眼地图的覆盖层边框
Esri.ArcGISRuntime.Geometry.Geometry eagleViewEnv = null;
// 每次主地图的焦点改变, 都会清空鹰眼地图的覆盖层
myMapView_Eagle.GraphicsOverlays.Clear();
// 获取主地图的四至
Esri.ArcGISRuntime.Geometry.Polygon vExtent = myMapView.VisibleArea;
// 鹰眼地图的覆盖层边框等于主地图四至
eagleViewEnv = vExtent.Extent;
// 鹰眼地图的覆盖层边框为"红色"
System.Drawing.Color lineColor = System.Drawing.Color.FromName("Red");
// 鹰眼地图的覆盖层边框样式
Esri.ArcGISRuntime.Symbology.SimpleLineSymbol lineSymbol = new Esri.ArcGISRuntime.Symbology.SimpleLineSymbol(Esri.ArcGISRuntime.Symbology.SimpleLineSymbolStyle.Dash, lineColor, 2.0);
System.Drawing.Color fillColor = System.Drawing.Color.FromArgb(0, 255, 255, 255);
Esri.ArcGISRuntime.Symbology.SimpleFillSymbol polySymbol = new Esri.ArcGISRuntime.Symbology.SimpleFillSymbol(Esri.ArcGISRuntime.Symbology.SimpleFillSymbolStyle.Solid, fillColor, lineSymbol);
var graphicOverlay = new Esri.ArcGISRuntime.UI.GraphicsOverlay();
// 几何图层
var envGraphic = new Esri.ArcGISRuntime.UI.Graphic(eagleViewEnv, polySymbol);
// 覆盖层
graphicOverlay.Graphics.Add(envGraphic);
// 覆盖层添加到鹰眼地图
myMapView_Eagle.GraphicsOverlays.Add(graphicOverlay);
}
public static Graphic NewPolygon(Esri.ArcGISRuntime.Geometry.PointCollection pc)
{
Esri.ArcGISRuntime.Geometry.Polygon polygon = new Esri.ArcGISRuntime.Geometry.Polygon(pc);
Graphic g = new Graphic();
g.Geometry = polygon;
return(g);
}
// 编辑绘制图层
private void EditVertexMenuItem_Click(object sender, RoutedEventArgs e)
{
if (curSelGraphic != null)//检查当前是否有选择图形
{
operation = OperateType.EditVertex;
if (curSelGraphic.Geometry.GeometryType == GeometryType.Point) //所选图形为点
{
selVertexLayer.Graphics.Clear(); //清空顶点图层
MapPoint pt = (MapPoint)curSelGraphic.Geometry;
Graphic pg = new Graphic(pt, vertexSymbol); //创建新的点图形
selVertexLayer.Graphics.Add(pg);
}
else if (curSelGraphic.Geometry.GeometryType == GeometryType.Polyline)//所选图形为线
{
if (pointCollection != null)
{
pointCollection.Clear();//清空点集
}
else
{
pointCollection = new Esri.ArcGISRuntime.Geometry.PointCollection(myMapView.Map.SpatialReference);
}
Esri.ArcGISRuntime.Geometry.Polyline ln = (Esri.ArcGISRuntime.Geometry.Polyline)curSelGraphic.Geometry;
pointCollection.AddPoints(ln.Parts[0].Points); //将线的所有顶点加入点集
selVertexLayer.Graphics.Clear();
for (int i = 0; i < pointCollection.Count; i++) //将所有点以顶点图形样式显示
{
MapPoint pt = pointCollection[i];
Graphic pg = new Graphic(pt, vertexSymbol);
selVertexLayer.Graphics.Add(pg);
}
}
else if (curSelGraphic.Geometry.GeometryType == GeometryType.Polygon)//所选图形为多边形
{
if (pointCollection != null)
{
pointCollection.Clear();
}
else
{
pointCollection = new Esri.ArcGISRuntime.Geometry.PointCollection(myMapView.Map.SpatialReference);
}
Esri.ArcGISRuntime.Geometry.Polygon pg = (Esri.ArcGISRuntime.Geometry.Polygon)curSelGraphic.Geometry;
pointCollection.AddPoints(pg.Parts[0].Points);
selVertexLayer.Graphics.Clear();
for (int i = 0; i < pointCollection.Count; i++)
{
MapPoint pt = pointCollection[i];
Graphic gg = new Graphic(pt, vertexSymbol);
selVertexLayer.Graphics.Add(gg);
}
}
EditVertexMenuItem.IsEnabled = false;
UneditVertexMenuItem.IsEnabled = true;
}
}
private void addPolygon()
{
ObservableCollection <MapPoint> cc = new ObservableCollection <MapPoint>();
cc.Add(new MapPoint(-122.411033517241, 37.7928248779988, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.409439828211, 37.7929574531202, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.407879728918, 37.7928979616957, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.407366343129, 37.7929400050513, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.40620355885, 37.7928932150506, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.405970239004, 37.7919861537598, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.405851348679, 37.7915014272396, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.406282194305, 37.7914529231787, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.406947985248, 37.7913177148322, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.407388139234, 37.7912593889064, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.408391496303, 37.7911085191116, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.409274453043, 37.791057174337, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.410233608604, 37.7910235416472, SpatialReferences.Wgs84));
SimpleFillSymbol sfs = new SimpleFillSymbol();
Esri.ArcGISRuntime.Geometry.Polygon polygon = new Esri.ArcGISRuntime.Geometry.Polygon(cc, SpatialReferences.Wgs84);
sfs.Style = SimpleFillStyle.Solid;
sfs.Color = Color.FromArgb(125, 255, 0, 0);
sfs.Outline = new SimpleLineSymbol()
{
Color = Colors.Red, Width = 2
};
Graphic graphic = new Graphic(polygon, sfs);
graphic.Attributes.Add("A", 76);
graphic.Attributes.Add("B", 100);
MyGraphicsLayer.Graphics.Add(graphic);
}
public static Graphic NewPolygon(Esri.ArcGISRuntime.Geometry.PointCollection pc)
{
Esri.ArcGISRuntime.Geometry.Polygon polygon = new Esri.ArcGISRuntime.Geometry.Polygon(pc);
Graphic g = new Graphic();
g.Geometry = polygon;
return g;
}
private void MyMapView_MouseRightButtonUp(object sender, MouseButtonEventArgs e)
{
myMapView.Cursor = Cursors.Arrow;//恢复光标样式
if (curSelGraphic == null || orgPoint == null)
{
return; //计算位移
}
IInputElement ie = (IInputElement)(sender);
MapPoint loc = myMapView.ScreenToLocation(e.GetPosition(ie));
double deltaX = loc.X - orgPoint.X;
double deltaY = loc.Y - orgPoint.Y;
if (operation == OperateType.None) //非绘制状态或顶点编辑状态
{
if (curSelGraphic.Geometry.GeometryType == GeometryType.Point) //当前选择的图形 为点，重新构造点
{
MapPointBuilder pb = new MapPointBuilder(loc);
curSelGraphic.Geometry = pb.ToGeometry();
}
else if (curSelGraphic.Geometry.GeometryType == GeometryType.Polyline)//当前选 择的图形为线，重新计算所有点
{
Esri.ArcGISRuntime.Geometry.Polyline ln = (Esri.ArcGISRuntime.Geometry.Polyline)curSelGraphic.Geometry; pointCollection.Clear();
for (int i = 0; i < ln.Parts[0].Points.Count; i++)
{
double X = ln.Parts[0].Points[i].X + deltaX; double Y = ln.Parts[0].Points[i].Y + deltaY;
MapPoint Pt = new MapPoint(X, Y); pointCollection.Add(Pt);
}
PolylineBuilder lb = new PolylineBuilder(pointCollection);
curSelGraphic.Geometry = lb.ToGeometry();
}
else if (curSelGraphic.Geometry.GeometryType == GeometryType.Polygon)//当前选 择图形为多边形，重新计算所有点
{
Esri.ArcGISRuntime.Geometry.Polygon poly = (Esri.ArcGISRuntime.Geometry.Polygon)curSelGraphic.Geometry;
pointCollection.Clear();
for (int i = 0; i < poly.Parts[0].Points.Count; i++)
{
double X = poly.Parts[0].Points[i].X + deltaX; double Y = poly.Parts[0].Points[i].Y + deltaY;
MapPoint Pt = new MapPoint(X, Y); pointCollection.Add(Pt);
}
PolygonBuilder pb = new PolygonBuilder(pointCollection);
curSelGraphic.Geometry = pb.ToGeometry();
}
}
else if (operation == OperateType.EditVertex)//处于顶点编辑状态
{
if (selGracphicIndex >= 0)
{
Graphic g = graphicsLayer.Graphics.ElementAt(selGracphicIndex); //找到所选 图形
if (g.Geometry.GeometryType == GeometryType.Point) //图形为点
{
MapPointBuilder mpb = new MapPointBuilder(loc);
g.Geometry = mpb.ToGeometry();
}
else if (g.Geometry.GeometryType == GeometryType.Polyline && selPointIndex >= 0)//图形为线，顶点已捕捉
{
Esri.ArcGISRuntime.Geometry.Polyline pln = (Esri.ArcGISRuntime.Geometry.Polyline)g.Geometry;
pointCollection.Clear(); pointCollection.AddPoints(pln.Parts[0].Points); pointCollection.SetPoint(selPointIndex, loc.X, loc.Y);
PolylineBuilder plb = new PolylineBuilder(pointCollection); g.Geometry = plb.ToGeometry();
}
else if (g.Geometry.GeometryType == GeometryType.Polygon && selPointIndex >= 0)//图形为多边形，顶点已捕捉
{
Esri.ArcGISRuntime.Geometry.Polygon plg = (Esri.ArcGISRuntime.Geometry.Polygon)g.Geometry; pointCollection.Clear();
pointCollection.AddPoints(plg.Parts[0].Points); pointCollection.SetPoint(selPointIndex, loc.X, loc.Y);
PolygonBuilder pgb = new PolygonBuilder(pointCollection); g.Geometry = pgb.ToGeometry();
}
if (selPointIndex >= 0)
{//移动相应的顶点到当前位置
Graphic vtGraphic = selVertexLayer.Graphics.ElementAt(selPointIndex);
MapPointBuilder tgPoint = new MapPointBuilder(loc); vtGraphic.Geometry = tgPoint.ToGeometry();
}
}
}
}
private void addPolygon()
{
ObservableCollection<MapPoint> cc = new ObservableCollection<MapPoint>();
cc.Add(new MapPoint(-122.411033517241, 37.7928248779988, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.409439828211, 37.7929574531202, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.407879728918, 37.7928979616957, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.407366343129, 37.7929400050513, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.40620355885, 37.7928932150506, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.405970239004, 37.7919861537598, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.405851348679, 37.7915014272396, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.406282194305, 37.7914529231787, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.406947985248, 37.7913177148322, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.407388139234, 37.7912593889064, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.408391496303, 37.7911085191116, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.409274453043, 37.791057174337, SpatialReferences.Wgs84));
cc.Add(new MapPoint(-122.410233608604, 37.7910235416472, SpatialReferences.Wgs84));
SimpleFillSymbol sfs = new SimpleFillSymbol();
Esri.ArcGISRuntime.Geometry.Polygon polygon = new Esri.ArcGISRuntime.Geometry.Polygon(cc, SpatialReferences.Wgs84);
sfs.Style = SimpleFillStyle.Solid;
sfs.Color = Color.FromArgb(125, 255, 0, 0);
sfs.Outline = new SimpleLineSymbol() { Color = Colors.Red, Width = 2 };
Graphic graphic = new Graphic(polygon, sfs);
graphic.Attributes.Add("A", 76);
graphic.Attributes.Add("B", 100);
MyGraphicsLayer.Graphics.Add(graphic);
}
//=======敏感区=====
public void Createarea(double lon, double lat, double radius)
{
// Create the graphics overlay.
GraphicsOverlay overlay1 = new GraphicsOverlay();
GraphicsOverlay overlay2 = new GraphicsOverlay();
// Create a green simple line symbol
SimpleLineSymbol outlineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, System.Drawing.Color.FromArgb(0xFF, 0x00, 0x50, 0x00), 1);
// Create a green mesh simple fill symbol
SimpleFillSymbol fillSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Cross, System.Drawing.Color.Yellow, outlineSymbol);
Esri.ArcGISRuntime.Geometry.PointCollection boatPositions = new Esri.ArcGISRuntime.Geometry.PointCollection(SpatialReferences.Wgs84);
for (int i = 0; i < 36; i++)
{
double angle = (2 * Math.PI / 36) * i;
// new MapPoint([lon + Math.sin(angle) * radius[0], lat[0] + Math.cos(angle) * radius[0]]);
boatPositions.Add(new MapPoint(lon + Math.Sin(angle) * radius, lat + Math.Cos(angle) * radius));
}
;
// Create the polyline from the point collection
Esri.ArcGISRuntime.Geometry.Polygon polygon = new Esri.ArcGISRuntime.Geometry.Polygon(boatPositions);
// Create the graphic with polyline and symbol
Graphic graphic = new Graphic(polygon, fillSymbol);
Graphic graphic1 = new Graphic(polygon, fillSymbol);
// Add graphic to the graphics overlay
overlay1.Graphics.Add(graphic);
overlay2.Graphics.Add(graphic1);
//MessageBox.Show(lon + " "+ lat + "添加成功");
// Show the graphics overlay in the scene.
MyMapView.GraphicsOverlays.Add(overlay1);
MySceneView.GraphicsOverlays.Add(overlay2);
int de = -1;
int mi = -1;
if (Dector2D.Count > 0)
{
int count = Dector2D.Count;
for (int i = 0; i < count; i++)
{
List <MapPoint> _artificialMapPoints = new List <MapPoint>();
_artificialMapPoints = MapPointslist[i];
int index = Global.DectorIndexIdlist[i];
for (int j = index; j < index + 120; j++)
{
MapPoint selectedMapPoint = _artificialMapPoints[j % _artificialMapPoints.Count];
double di = Distance(selectedMapPoint.X, selectedMapPoint.Y, selectedMapPoint.Z, lon, lat, 0);
if (di < radius * 100000)
{
de = i;
mi = j - index;
break;
}
}
// }
if (mi != -1)
{
break;
}
}
//double d = Distance(lon, lat, 0, lon1, lat1, radius1);
StackPanel s = new StackPanel();
Label l1 = new Label();
Label l2 = new Label();
Label l3 = new Label();
s.Children.Add(l1);
s.Children.Add(l2);
s.Children.Add(l3);
l1.Content = "longitude ：" + lon;
l2.Content = "latitude : " + lat;
if (de != -1)
{
l3.Content = "探空仪 " + Global.DectorNamelist[de] + " 将在" + mi + "分钟后到达敏感区";
}
else
{
/*
*
* string[] strArr = new string[3];
* string sArguments = @"station.py"; //调用的python的文件名字
* strArr[0] = lon.ToString();
* strArr[1] = lat.ToString();
* strArr[2] = (radius*111).ToString();
* RunPythonScript(sArguments, "-u", strArr);
*/
//int counter = 0;
//string line;
string result = "Please wait";
string[] lines = System.IO.File.ReadAllLines(@"E:\\VSProjects\\test\\data.txt", Encoding.GetEncoding("gb2312"));
//System.Console.WriteLine("Contents of WriteLines2.txt = ");
foreach (string line in lines)
{
result = line;
}
// System.IO.StreamReader file = new System.IO.StreamReader(@"E:\\VSProjects\\test\\data.txt");
// while ((line = file.ReadLine()) != null)
//{
//System.Console.WriteLine(line);
// counter++;
// }
/// MessageBox.Show( result);
// file.Close();
l3.Content = result;
}
MyMapView.ShowCalloutAt(new MapPoint(lon, lat, SpatialReferences.Wgs84), s);
}
else
{
//double d = Distance(lon, lat, 0, lon1, lat1, radius1);
StackPanel s = new StackPanel();
Label l1 = new Label();
Label l2 = new Label();
Label l3 = new Label();
s.Children.Add(l1);
s.Children.Add(l2);
s.Children.Add(l3);
l1.Content = "longitude ：" + lon;
l2.Content = "latitude : " + lat;
// l3.Content = "";
/*
* string[] strArr = new string[3];
* string sArguments = @"station.py"; //调用的python的文件名字
* strArr[0] = lon.ToString();
* strArr[1] = lat.ToString();
* strArr[2] = (radius * 111).ToString();
* RunPythonScript(sArguments, "-u", strArr);
*/
string result = "Please wait";
string[] lines = System.IO.File.ReadAllLines(@"E:\\VSProjects\\test\\data.txt", Encoding.GetEncoding("gb2312"));
//System.Console.WriteLine("Contents of WriteLines2.txt = ");
foreach (string line in lines)
{
result = line;
}
// System.IO.StreamReader file = new System.IO.StreamReader(@"E:\\VSProjects\\test\\data.txt");
// while ((line = file.ReadLine()) != null)
//{
//System.Console.WriteLine(line);
// counter++;
// }
// MessageBox.Show("c" + result);
// file.Close();
l3.Content = "可选放球站：" + result;
// string text = System.IO.File.ReadAllText(@"E:\\VSProjects\\test\\data.txt");
MyMapView.ShowCalloutAt(new MapPoint(lon, lat, SpatialReferences.Wgs84), s);
}
// MyMapView.ShowCalloutAt(new MapPoint(lon, lat, SpatialReferences.Wgs84), s);
}
private void CreateGraphic_Label(Esri.ArcGISRuntime.Geometry.PointCollection _pointc, string key, string encName)
{
var Polygon = new Esri.ArcGISRuntime.Geometry.Polygon(_pointc);
// Define the symbology of the polygon
var polygonSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Solid, System.Drawing.Color.FromArgb(20, 60, 62, 66),
new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.FromArgb(46, 50, 54), 0.5));
// a point to define where the text is drawn
var labelbase1 = (Polygon.Extent);
//text symbol which defines text size, the text and color
TextSymbol textsym1 = new TextSymbol(key, System.Drawing.Color.FromArgb(255, 255, 255),
12, Esri.ArcGISRuntime.Symbology.HorizontalAlignment.Center,
Esri.ArcGISRuntime.Symbology.VerticalAlignment.Middle);
textsym1.FontWeight = 0;
////create a graphic from the point and symbol
Graphic _labelGraphic = new Graphic(labelbase1, textsym1);
//Graphic _labelGraphic = new Graphic(labelbase1, textsym1);
//polygonlabeloverlay.Graphics.Add(_labelGraphic);
graphattribute = new Dictionary <string, object>();
graphattribute.Add(key, encName);
// graphattribute.Add(t1, two);
_polygonGraphic = new Graphic(Polygon, graphattribute, polygonSymbol);
if (encName == "1")
{
// MyMapView.Map.OperationalLayers.Add(generalfeature);
overviewoverlay.Graphics.Add(_polygonGraphic);
overviewoverlay.Graphics.Add(_labelGraphic);
graphic_collection = overviewoverlay.Graphics;
// overviewlabeloverlay.Graphics.Add(_labelGraphic);
}
else if (encName == "2")
{
generaloverlay.Graphics.Add(_polygonGraphic);
generaloverlay.Graphics.Add(_labelGraphic);
graphic_collection = generaloverlay.Graphics;
//generallabeloverlay.Graphics.Add(_labelGraphic);
}
else if (encName == "3")
{
coastaloverlay.Graphics.Add(_polygonGraphic);
coastaloverlay.Graphics.Add(_labelGraphic);
graphic_collection = coastaloverlay.Graphics;
//coastallabeloverlay.Graphics.Add(_labelGraphic);
}
else if (encName == "4")
{
approachoverlay.Graphics.Add(_polygonGraphic);
approachoverlay.Graphics.Add(_labelGraphic);
graphic_collection = approachoverlay.Graphics;
//approachlabeloverlay.Graphics.Add(_labelGraphic);
}
else if (encName == "5")
{
harbouroverlay.Graphics.Add(_polygonGraphic);
harbouroverlay.Graphics.Add(_labelGraphic);
graphic_collection = harbouroverlay.Graphics;
//harbourlabeloverlay.Graphics.Add(_labelGraphic);
}
else if (encName == "6")
{
berthingoverlay.Graphics.Add(_polygonGraphic);
berthingoverlay.Graphics.Add(_labelGraphic);
graphic_collection = berthingoverlay.Graphics;
// berthinglabeloverlay.Graphics.Add(_labelGraphic);
}
}
// myMapView 事件
private async void MyMapView_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
IInputElement ie = (IInputElement)(sender);
MapPoint loc = myMapView.ScreenToLocation(e.GetPosition(ie));
switch (operation)
{
case OperateType.DrawPoint: //画点
Graphic pt = new Graphic(loc, pointSymbol);
graphicsLayer.Graphics.Add(pt);
break;
case OperateType.DrawPolyline: //画线
pointCollection.Add(loc);
if (pointCollection.Count >= 2)
{
if (pointCollection.Count > 2)
{
Graphic g = graphicsLayer.Graphics[graphicsLayer.Graphics.Count - 1];
PolylineBuilder lb = new PolylineBuilder(pointCollection);
g.Geometry = lb.ToGeometry();
}
else
{
Esri.ArcGISRuntime.Geometry.Polyline l = new Esri.ArcGISRuntime.Geometry.Polyline(pointCollection);
Graphic lg = new Graphic(l, lineSymbol);
graphicsLayer.Graphics.Add(lg);
}
}
break;
case OperateType.DrawPolygon: //画多边形
pointCollection.Add(loc);
if (pointCollection.Count >= 3)
{
if (pointCollection.Count > 3)
{
Graphic g = graphicsLayer.Graphics[graphicsLayer.Graphics.Count - 1];
PolygonBuilder pb = new PolygonBuilder(pointCollection);
g.Geometry = pb.ToGeometry();
}
else
{
Esri.ArcGISRuntime.Geometry.Polygon p = new Esri.ArcGISRuntime.Geometry.Polygon(pointCollection);
Graphic pg = new Graphic(p, fillSymbol);
graphicsLayer.Graphics.Add(pg);
}
}
break;
case OperateType.None: //缺省状态
graphicsLayer.ClearSelection();
IdentifyGraphicsOverlayResult result = await myMapView.IdentifyGraphicsOverlayAsync(graphicsLayer, e.GetPosition(ie), 5, false);
//选择图形元素
if (result.Graphics.Count < 1)
{
curSelGraphic = null;
EditVertexMenuItem.IsEnabled = false;
UneditVertexMenuItem.IsEnabled = false;
return;
}
curSelGraphic = result.Graphics.First();
curSelGraphic.IsSelected = true;
EditVertexMenuItem.IsEnabled = true;
break;
case OperateType.Cal_Clip: //选择图形
IdentifyGraphicsOverlayResult gResult = await myMapView.IdentifyGraphicsOverlayAsync(graphicsLayer, e.GetPosition(ie), 5, false);
if (gResult.Graphics.Count < 1)
{
return;
}
Graphic selGraphic = gResult.Graphics.First();
selGraphic.IsSelected = true; listOfClipGraphics.Add(selGraphic); //记录所选图形
if (listOfClipGraphics.Count == 2) //图形数目为2时，进行剪切计算
{
Graphic g1 = listOfClipGraphics[0];
Graphic g2 = listOfClipGraphics[1];
if (g1.Geometry.GeometryType != GeometryType.Polygon || g2.Geometry.GeometryType != GeometryType.Polygon) //如果所选图形不是多边形，则退出
{
MessageBox.Show("请选择两个多边形图形！");
listOfClipGraphics.Clear();
graphicsLayer.ClearSelection();
return;
}
Esri.ArcGISRuntime.Geometry.Geometry resultGeometry = GeometryEngine.Clip(g1.Geometry, g2.Geometry.Extent); //执行剪切操作
if (resultGeometry != null) //处理结果
{
graphicsLayer.Graphics.Remove(g1); //从图形层中移除原图形
graphicsLayer.Graphics.Remove(g2);
Graphic clipedGraphic = new Graphic(resultGeometry, fillSymbol); //利 用剪切结果构建新的图形
graphicsLayer.Graphics.Add(clipedGraphic); operation = OperateType.None;
}
listOfClipGraphics.Clear(); //清空图形选择集合
graphicsLayer.ClearSelection(); //清空图形层所选
}
break;
case OperateType.Cal_Union: // 联合
IdentifyGraphicsOverlayResult gResultUnion = await myMapView.IdentifyGraphicsOverlayAsync(graphicsLayer, e.GetPosition(ie), 5, false);
if (gResultUnion.Graphics.Count < 1)
{
return;
}
Graphic selGraphicUnion = gResultUnion.Graphics.First();
selGraphicUnion.IsSelected = true;
listOfClipGraphics.Add(selGraphicUnion); //记录所选图形
if (listOfClipGraphics.Count == 2) //图形数目为2时，进行剪切计算
{
Graphic g1 = listOfClipGraphics[0];
Graphic g2 = listOfClipGraphics[1];
if (g1.Geometry.GeometryType != GeometryType.Polygon || g2.Geometry.GeometryType != GeometryType.Polygon) //如果所选图形不是多边形，则退出
{
MessageBox.Show("请选择两个多边形图形！");
listOfClipGraphics.Clear();
graphicsLayer.ClearSelection();
return;
}
Esri.ArcGISRuntime.Geometry.Geometry resultGeometry = GeometryEngine.Union(g1.Geometry, g2.Geometry.Extent); //执行剪切操作
if (resultGeometry != null) //处理结果
{
graphicsLayer.Graphics.Remove(g1); //从图形层中移除原图形
graphicsLayer.Graphics.Remove(g2);
Graphic clipedGraphic = new Graphic(resultGeometry, fillSymbol); //利 用剪切结果构建新的图形
graphicsLayer.Graphics.Add(clipedGraphic);
operation = OperateType.None;
}
listOfClipGraphics.Clear(); //清空图形选择集合
graphicsLayer.ClearSelection(); //清空图形层所选
}
break;
case OperateType.Cal_Cut: // 剪切
IdentifyGraphicsOverlayResult gResult_Cut = await myMapView.IdentifyGraphicsOverlayAsync(graphicsLayer, e.GetPosition(ie), 5, false);
if (gResult_Cut.Graphics.Count < 1)
{
return;
}
Graphic selGraphic_Cut = gResult_Cut.Graphics.First();
selGraphic_Cut.IsSelected = true;
listOfClipGraphics.Add(selGraphic_Cut); //记录所选图形
if (listOfClipGraphics.Count == 2) //图形数目为1时，进行剪切计算
{
Graphic g1 = listOfClipGraphics[0];
Graphic g2 = listOfClipGraphics[1];
if (g1.Geometry.GeometryType != GeometryType.Polygon || g2.Geometry.GeometryType != GeometryType.Polyline) //如果所选图形不是多边形，则退出
{
MessageBox.Show("请先选择一个面要素后再选择一个线要素.");
listOfClipGraphics.Clear();
graphicsLayer.ClearSelection();
return;
}
Esri.ArcGISRuntime.Geometry.Polyline polyLine = (Esri.ArcGISRuntime.Geometry.Polyline)g2.Geometry;
Esri.ArcGISRuntime.Geometry.Geometry[] resultGeometry = GeometryEngine.Cut(g1.Geometry, polyLine); //执行剪切操作
if (resultGeometry != null) //处理结果
{
graphicsLayer.Graphics.Remove(g1);
for (int z = 0; z < resultGeometry.Length; z++)
{
Graphic clipedGraphic = new Graphic(resultGeometry[z], fillSymbol); //利 用剪切结果构建新的图形
graphicsLayer.Graphics.Add(clipedGraphic);
}
operation = OperateType.None;
}
listOfClipGraphics.Clear(); //清空图形选择集合
graphicsLayer.ClearSelection(); //清空图形层所选
}
break;
case OperateType.Cal_Simplify: // 拓扑纠正
IdentifyGraphicsOverlayResult gResult_Simplify = await myMapView.IdentifyGraphicsOverlayAsync(graphicsLayer, e.GetPosition(ie), 5, false);
if (gResult_Simplify.Graphics.Count < 1)
{
return;
}
Graphic selGraphic_Simplify = gResult_Simplify.Graphics.First();
selGraphic_Simplify.IsSelected = true;
listOfClipGraphics.Add(selGraphic_Simplify); //记录所选图形
if (listOfClipGraphics.Count == 1) //图形数目为1时，进行剪切计算
{
Graphic g1 = listOfClipGraphics[0];
if (g1.Geometry.GeometryType == GeometryType.Point) //如果所选图形不是多边形，则退出
{
MessageBox.Show("请先选择一个面要素或线要素.");
listOfClipGraphics.Clear();
graphicsLayer.ClearSelection();
return;
}
Esri.ArcGISRuntime.Geometry.Geometry resultGeometry = GeometryEngine.Simplify(g1.Geometry); //执行剪切操作
if (resultGeometry != null) //处理结果
{
graphicsLayer.Graphics.Remove(g1); //从图形层中移除原图形
Graphic clipedGraphic = new Graphic(resultGeometry, fillSymbol); //利 用剪切结果构建新的图形
graphicsLayer.Graphics.Add(clipedGraphic);
operation = OperateType.None;
}
listOfClipGraphics.Clear(); //清空图形选择集合
graphicsLayer.ClearSelection(); //清空图形层所选
}
break;
case OperateType.Cal_Gene: // 简化
IdentifyGraphicsOverlayResult gResult_Gene = await myMapView.IdentifyGraphicsOverlayAsync(graphicsLayer, e.GetPosition(ie), 5, false);
if (gResult_Gene.Graphics.Count < 1)
{
return;
}
Graphic selGraphic_Gene = gResult_Gene.Graphics.First();
selGraphic_Gene.IsSelected = true;
listOfClipGraphics.Add(selGraphic_Gene); //记录所选图形
if (listOfClipGraphics.Count == 1) //图形数目为1时
{
Graphic g1 = listOfClipGraphics[0];
if (g1.Geometry.GeometryType == GeometryType.Point) //如果所选图形是点，则退出
{
MessageBox.Show("请先选择一个面要素或线要素.");
listOfClipGraphics.Clear();
graphicsLayer.ClearSelection();
return;
}
Esri.ArcGISRuntime.Geometry.Geometry resultGeometry = GeometryEngine.Generalize(g1.Geometry, 1000000.0, true); //执行剪切操作
if (resultGeometry != null) //处理结果
{
MessageBox.Show(resultGeometry.ToJson() + "\n" + resultGeometry.GeometryType);
graphicsLayer.Graphics.Remove(g1); //从图形层中移除原图形
Graphic clipedGraphic = new Graphic(resultGeometry, fillSymbol); //利 用剪切结果构建新的图形
graphicsLayer.Graphics.Add(clipedGraphic);
operation = OperateType.None;
}
listOfClipGraphics.Clear(); //清空图形选择集合
graphicsLayer.ClearSelection(); //清空图形层所选
}
break;
case OperateType.Cal_Buff: // 缓冲
IdentifyGraphicsOverlayResult gResult_Buff = await myMapView.IdentifyGraphicsOverlayAsync(graphicsLayer, e.GetPosition(ie), 5, false);
if (gResult_Buff.Graphics.Count < 1)
{
return;
}
Graphic selGraphic_Buff = gResult_Buff.Graphics.First();
selGraphic_Buff.IsSelected = true;
listOfClipGraphics.Add(selGraphic_Buff); //记录所选图形
if (listOfClipGraphics.Count == 1) //图形数目为1时，进行剪切计算
{
Graphic g1 = listOfClipGraphics[0];
Esri.ArcGISRuntime.Geometry.Geometry resultGeometry = GeometryEngine.Buffer(g1.Geometry, 1000000.0); //执行剪切操作
if (resultGeometry != null) //处理结果
{
graphicsLayer.Graphics.Remove(g1); //从图形层中移除原图形
Graphic clipedGraphic = new Graphic(resultGeometry, new SimpleFillSymbol(SimpleFillSymbolStyle.Solid, Color.FromArgb(125, 255, 250, 0), new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.FromArgb(0, 0, 0), 4.0))); //利 用剪切结果构建新的图形
graphicsLayer.Graphics.Add(clipedGraphic);
operation = OperateType.None;
}
listOfClipGraphics.Clear(); //清空图形选择集合
graphicsLayer.ClearSelection(); //清空图形层所选
}
break;
case OperateType.Cal_Jiaodian: // 交点
IdentifyGraphicsOverlayResult gResult_Jiaodian = await myMapView.IdentifyGraphicsOverlayAsync(graphicsLayer, e.GetPosition(ie), 5, false);
if (gResult_Jiaodian.Graphics.Count < 1)
{
return;
}
Graphic selGraphic_Jiaodian = gResult_Jiaodian.Graphics.First();
selGraphic_Jiaodian.IsSelected = true;
listOfClipGraphics.Add(selGraphic_Jiaodian); //记录所选图形
if (listOfClipGraphics.Count == 2) //图形数目为1时，进行剪切计算
{
Graphic g1 = listOfClipGraphics[0];
Graphic g2 = listOfClipGraphics[1];
IReadOnlyList <Geometry> resultGeometry = GeometryEngine.Intersections(g1.Geometry, g2.Geometry); //执行剪切操作
if (resultGeometry != null) //处理结果
{
Graphic clipedGraphic = new Graphic(resultGeometry[0], pointSymbol); //利 用剪切结果构建新的图形
graphicsLayer.Graphics.Add(clipedGraphic);
operation = OperateType.None;
}
listOfClipGraphics.Clear(); //清空图形选择集合
graphicsLayer.ClearSelection(); //清空图形层所选
}
break;
}
}
// myMapView 事件
private async void MyMapView_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
IInputElement ie = (IInputElement)(sender);
MapPoint loc = myMapView.ScreenToLocation(e.GetPosition(ie));
switch (operation)
{
case OperateType.DrawPoint: //画点
Graphic pt = new Graphic(loc, pointSymbol);
graphicsLayer.Graphics.Add(pt);
break;
case OperateType.DrawPolyline: //画线
pointCollection.Add(loc); if (pointCollection.Count >= 2)
{
if (pointCollection.Count > 2)
{
Graphic g = graphicsLayer.Graphics[graphicsLayer.Graphics.Count - 1];
PolylineBuilder lb = new PolylineBuilder(pointCollection); g.Geometry = lb.ToGeometry();
}
else
{
Esri.ArcGISRuntime.Geometry.Polyline l = new Esri.ArcGISRuntime.Geometry.Polyline(pointCollection);
Graphic lg = new Graphic(l, lineSymbol);
graphicsLayer.Graphics.Add(lg);
}
}
break;
case OperateType.DrawPolygon: //画多边形
pointCollection.Add(loc); if (pointCollection.Count >= 3)
{
if (pointCollection.Count > 3)
{
Graphic g = graphicsLayer.Graphics[graphicsLayer.Graphics.Count - 1];
PolygonBuilder pb = new PolygonBuilder(pointCollection); g.Geometry = pb.ToGeometry();
}
else
{
Esri.ArcGISRuntime.Geometry.Polygon p = new Esri.ArcGISRuntime.Geometry.Polygon(pointCollection);
Graphic pg = new Graphic(p, fillSymbol);
graphicsLayer.Graphics.Add(pg);
}
}
break;
case OperateType.None: //缺省状态
graphicsLayer.ClearSelection();
IdentifyGraphicsOverlayResult result = await myMapView.IdentifyGraphicsOverlayAsync(graphicsLayer, e.GetPosition(ie), 5, false);
//选择图形元素
if (result.Graphics.Count < 1)
{
curSelGraphic = null;
EditVertexMenuItem.IsEnabled = false;
UneditVertexMenuItem.IsEnabled = false;
return;
}
curSelGraphic = result.Graphics.First();
curSelGraphic.IsSelected = true;
EditVertexMenuItem.IsEnabled = true;
break;
}
}
public IS3Polygon(Esri.ArcGISRuntime.Geometry.Polygon other)
: base(other.Parts, other.SpatialReference)
{
}