//最佳路径分析
private void PathAnalyst_Click(object sender, RoutedEventArgs e)
{
if (points.Count < 2)
{
MessageBox.Show("请指定途经点");
return;
}
if (featuresLayer.Features.Count > 0)
{
featuresLayer.Features.Clear();
}
//定义 Point2D 类型的参数
FindPathParameters<Point2D> paramPoint2D = new FindPathParameters<Point2D>
{
Nodes = points,
HasLeastEdgeCount = true,
Parameter = new TransportationAnalystParameter
{
ResultSetting = new TransportationAnalystResultSetting
{
ReturnEdgeFeatures = true,
ReturnEdgeGeometry = true,
ReturnEdgeIDs = true,
ReturnNodeFeatures = true,
ReturnNodeGeometry = true,
ReturnNodeIDs = true,
ReturnPathGuides = true,
ReturnRoutes = true
},
WeightFieldName = "length",
TurnWeightField = "TurnCost",
BarrierPoints = barrierPoints,
}
};
//与服务器交互
FindPathService findPathService = new FindPathService("http://*****:*****@Changchun");
findPathService.ProcessAsync(paramPoint2D);
findPathService.ProcessCompleted += new EventHandler<FindPathEventArgs>(findPathService_ProcessCompleted);
findPathService.Failed += new EventHandler<ServiceFailedEventArgs>(findPathService_Failed);
}
//最佳路径分析
async private void PathAnalyst_Click(object sender, RoutedEventArgs e)
{
if (points.Count < 2)
{
await MessageBox.Show("请指定途经点");
return;
}
if (featuresLayer.Features.Count > 0)
{
featuresLayer.Features.Clear();
}
//定义 Point2D 类型的参数
FindPathParameters<Point2D> paramPoint2D = new FindPathParameters<Point2D>
{
Nodes = points,
HasLeastEdgeCount = true,
Parameter = new TransportationAnalystParameter
{
ResultSetting = new TransportationAnalystResultSetting
{
ReturnEdgeFeatures = true,
ReturnEdgeGeometry = true,
ReturnEdgeIDs = true,
ReturnNodeFeatures = true,
ReturnNodeGeometry = true,
ReturnNodeIDs = true,
ReturnPathGuides = true,
ReturnRoutes = true
},
WeightFieldName = "length",
TurnWeightField = "TurnCost",
BarrierPoints = barrierPoints,
}
};
//与服务器交互
try
{
FindPathService findPathService = new FindPathService(url);
var result = await findPathService.ProcessAsync(paramPoint2D);
//路径样式
PredefinedLineStyle simpleLineStyle = new PredefinedLineStyle();
simpleLineStyle.Stroke = new SolidColorBrush(Colors.Blue);
simpleLineStyle.StrokeThickness = 2;
//服务器返回结果，将最佳路径显示在客户端
if (result != null)
{
if (result.PathList != null)
{
foreach (ServerPath p in result.PathList)
{
//将要素添加到图层
featuresLayer.Features.Add(new Feature { Geometry = p.Route.Line, Style = simpleLineStyle });
this.length.Text = "路线长度：" + p.Route.Length.ToString();
this.cost.Text = "花费:" + p.Weight.ToString();
}
resultPanel.Visibility = Visibility.Visible;
}
else
{
await MessageBox.Show("此设置下无可用路径");
}
}
}
//服务器计算失败提示失败信息
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void FindPath_Click(object sender, RoutedEventArgs e)
{
FindPathParameters<int> paramInt = new FindPathParameters<int>
{
Nodes = new List<int> { 2, 3 },
HasLeastEdgeCount = true,
Parameter = new TransportationAnalystParameter
{
ResultSetting = new TransportationAnalystResultSetting
{
ReturnEdgeFeatures = true,
ReturnEdgeGeometry = true,
ReturnEdgeIDs = true,
//ReturnImage = false,
ReturnNodeFeatures = true,
ReturnNodeGeometry = true,
ReturnNodeIDs = true,
ReturnPathGuides = true,
ReturnRoutes = true
},
//MapParameter = new NAResultMapParameter
//{
// Viewer = new Rect(0, 0, 256, 256),
// Format = OutputFormat.PNG
//},
WeightFieldName = "length",
TurnWeightField = "TurnCost"
}
};
FindPathParameters<Point2D> paramPoint2D = new FindPathParameters<Point2D>
{
Nodes = new List<Point2D> { new Point2D(4737.65773280094, -3406.06007171244),
new Point2D(5645.28372661686, -3312.88173774655) },
HasLeastEdgeCount = true,
Parameter = new TransportationAnalystParameter
{
ResultSetting = new TransportationAnalystResultSetting
{
ReturnEdgeFeatures = true,
ReturnEdgeGeometry = true,
ReturnEdgeIDs = true,
//ReturnImage = false,
ReturnNodeFeatures = true,
ReturnNodeGeometry = true,
ReturnNodeIDs = true,
ReturnPathGuides = true,
ReturnRoutes = true
},
//MapParameter = new NAResultMapParameter
//{
// Viewer = new Rect(0, 0, 256, 256),
// Format = OutputFormat.PNG
//},
WeightFieldName = "length",
TurnWeightField = "TurnCost"
}
};
FindPathService findPathService = new FindPathService("http://*****:*****@Changchun") { };
//findPathService.ProcessAsync(paramInt);
findPathService.ProcessAsync(paramPoint2D);
findPathService.Failed += Failed;
findPathService.ProcessCompleted += new EventHandler<FindPathEventArgs>(findPathService_ProcessCompleted);
}
