void _geometryTask_DensifyCompleted(object sender, GraphicsEventArgs e)
{
GraphicsLayer graphicsLayerLine = GlobalLayers._MainMap.Layers["graphicsLayerLine"] as GraphicsLayer;
foreach (Graphic g in e.Results)
{
Polyline p = g.Geometry as Polyline;
foreach (PointCollection pc in p.Paths)
{
foreach (MapPoint point in pc)
{
Graphic newPoint = new Graphic()
{
Symbol = App.Current.Resources["NewMarkerSymbol"] as Symbol,
Geometry = point
};
graphicsLayerLine.Graphics.Add(newPoint);
Graphic biggerNewPoint = new Graphic()
{
Symbol = App.Current.Resources["BiggerNewMarkerSymbol"] as Symbol,
Geometry = GeometryFunc.GetEllipseGraphic(searchRadius / (106 * 1000), point)//这里是米换算为经度，使用已存在的方法Mark
};
alPoints.Add(biggerNewPoint);
}
}
}
threadPointsRun = new Thread(new ThreadStart(PointsRun));
threadPointsRun.Start();
}
// 车辆动态跟踪查询
// 车辆的位置点由接收GPS位置线程更新到GLOBALLAYERS.MAINX,MAINY
// 每次循环查询车辆位置周边的视频，并发送打开指令到GQY的视频端口
// 打开的视频如果不在车辆覆盖范围，到定时时间自动关闭
public void AsyncLoop()
{
Graphic Effect = null;
// GlobalLayers.DynamicGraphicLayer.ClearGraphics(); // 动态特效的位置点
while (true)
{
if (PublicVARS.MainGPS != null && PublicVARS.MainX != 0.0) // 有跟踪点
{
double Radius = PublicVARS.Distance / (106 * 1000); // 米换算为经纬度
if (PublicVARS.TESTMODE) // 测试模式时，X 自动加
{
PublicVARS.MainX += 0.00005;
}
Geometry SearchG = GeometryFunc.GetEllipseGraphic(Radius, new MapPoint(PublicVARS.MainX, PublicVARS.MainY));
GlobalLayers._MainMap.Dispatcher.Invoke( // 此结构是WIN GUI 处理多线程修改界面元素的保护
new Action(
delegate
{
Graphic TrackPoint = new Graphic(); // 轨迹点
TrackPoint.Geometry = new MapPoint(PublicVARS.MainX, PublicVARS.MainY);
TrackPoint.Symbol = App.Current.Resources["CarPositionSymbol"] as Symbol; // 红点轨迹点
GlobalLayers.DynamicResultGraphicLayer.Graphics.Add(TrackPoint);
if (Effect == null)
{
Effect = new Graphic(); // 特效位置点
Effect.Symbol = App.Current.Resources["NEWGPS"] as Symbol; // 设定特效点符号
Effect.Attributes["ID"] = "EFFECT";
}
Effect.Geometry = new MapPoint(PublicVARS.MainX, PublicVARS.MainY); // 更新特效点位置
if (mapcontrol.getMapG("EFFECT", GlobalLayers.DynamicGraphicLayer) == null)
{
GlobalLayers.DynamicGraphicLayer.Graphics.Add(Effect);
}
// 显示查询覆盖区域
Graphic finder = null;
foreach (Graphic CB in GlobalLayers.DynamicGraphicLayer) // 查找有没上一次显示的区域，没有做插入，没有做更新
{
if (CB.Attributes.ContainsKey("ID"))
{
if (CB.Attributes["ID"].ToString() == "AREA")
{
finder = CB;
break;
}
}
}
if (finder != null)
{
finder.Geometry = SearchG;
}
else
{
Graphic SearchArea = new Graphic();
SearchArea.Geometry = SearchG;
SearchArea.Attributes["ID"] = "AREA";
SearchArea.Symbol = App.Current.Resources["CarBufferSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
GlobalLayers.DynamicGraphicLayer.Graphics.Add(SearchArea);
}
}
));
// 做周边查询
GlobalLayers._MainMap.Dispatcher.Invoke( // 此结构是WIN GUI 处理多线程修改界面元素的保护
new Action(
delegate
{
//QueryLayer QL = new QueryLayer(SearchG, "CJ_SP_PT", "DynamicResultGraphicLayer");
//QL.Do();
// QWB.SetBuffGeom(new MapPoint(GlobalLayers.MainX, GlobalLayers.MainY)); // 设定新的查询点
// QWB.ProcessBuffer();
if (PublicVARS.MainVID != null && PublicVARS.MainVID != "") // 车载视频
{
GlobalLayers._gqyvideocontrol.OpenVID(PublicVARS.MainVID, new MapPoint(PublicVARS.MainX, PublicVARS.MainY));
}
GlobalLayers._gqyvideocontrol.FlushEnd(); // 检查是否有到设定时间的视频，并关闭之
}
));
}
Thread.Sleep(3000);
}
}
