private void PathAnalyst_Click(object sender, RoutedEventArgs e)
{
if (points.Count == 0)
{
MessageBox.Show("请指定服务点");
return;
}
//定义 Point2D 类型的参数
FindServiceAreasParameters<Point2D> paramPoint2D = new FindServiceAreasParameters<Point2D>
{
Centers = points,
Weights = listweights,
Parameter = new TransportationAnalystParameter
{
ResultSetting = new TransportationAnalystResultSetting
{
ReturnEdgeFeatures = true,
ReturnEdgeGeometry = true,
ReturnEdgeIDs = true,
ReturnPathGuides = true,
ReturnRoutes = true,
},
WeightFieldName = "length",
TurnWeightField = "TurnCost",
}
};
//与服务器交互
FindServiceAreasService findServiceAreaService = new FindServiceAreasService("http://*****:*****@Changchun");
findServiceAreaService.ProcessAsync(paramPoint2D);
findServiceAreaService.ProcessCompleted += new EventHandler<FindServiceAreasEventArgs>(findServiceAreaService_ProcessCompleted);
findServiceAreaService.Failed += new EventHandler<ServiceFailedEventArgs>(findServiceAreaService_Failed);
}
async private void PathAnalyst_Click(object sender, RoutedEventArgs e)
{
if (points.Count == 0)
{
await MessageBox.Show("请指定服务点");
return;
}
if (string.IsNullOrEmpty(MyTextBox.Text))
{
await MessageBox.Show("请填写服务半径");
return;
}
double radius;
if (double.TryParse(MyTextBox.Text, out radius))
{
if (radius <= 0)
{
await MessageBox.Show("服务半径必须大于0");
return;
}
}
else
{
await MessageBox.Show("服务半径必须为数值");
return;
}
//listweights用来添加服务半径，list记录点，点与半径一一对应
//每次新添加的点用新添加的服务半径进行分析，以前的几个点的服务半径不变
List<double> listweights = new List<double>();
List<Point2D> list = new List<Point2D>();
for(int count=i;count<points.Count;count++)
{
list.Add(points[count]);
listweights.Add(radius);
}
//记录点的个数，下次分析从此点开始进行分析，之前的点仍用原服务半径
i=points.Count;
//定义 Point2D 类型的参数
FindServiceAreasParameters<Point2D> paramPoint2D = new FindServiceAreasParameters<Point2D>
{
Centers = list,
Weights = listweights,
Parameter = new TransportationAnalystParameter
{
ResultSetting = new TransportationAnalystResultSetting
{
ReturnEdgeFeatures = true,
ReturnEdgeGeometry = true,
ReturnEdgeIDs = true,
ReturnPathGuides = true,
ReturnRoutes = true,
},
WeightFieldName = "length",
TurnWeightField = "TurnCost",
}
};
//与服务器交互
try
{
FindServiceAreasService findServiceAreaService = new FindServiceAreasService("http://support.supermap.com.cn:8090/iserver/services/components-rest/rest/networkanalyst/RoadNet@Changchun");
var result = await findServiceAreaService.ProcessAsync(paramPoint2D);
foreach (SuperMap.WinRT.REST.NetworkAnalyst.ServiceArea p in result.ServiceAreaList)
{
//将要素添加到图层
PredefinedFillStyle style = new PredefinedFillStyle();
style.Fill = new SolidColorBrush(Color.FromArgb(120, 179, 235, 246));
Feature area = new Feature();
area.Geometry = p.ServiceRegion;
area.Style = style;
featuresLayer.AddFeature(area);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void ServiceAreas_Click(object sender, RoutedEventArgs e)
{
FindServiceAreasParameters<int> param = new FindServiceAreasParameters<int>
{
Centers = new List<int> { 2, 4 },
Weights = new List<double> { 500, 1000 },
IsCenterMutuallyExclusive = false,
IsFromCenter = 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"
}
};
FindServiceAreasService serviceAreasService = new FindServiceAreasService(networkUrl);
serviceAreasService.ProcessAsync(param);
serviceAreasService.ProcessCompleted += new EventHandler<FindServiceAreasEventArgs>(serviceAreasService_ProcessCompleted);
serviceAreasService.Failed += Failed;
}