internal static string ToJson(ProximityParam proximityParam)
{
if (proximityParam == null)
{
return null;
}
string json = "{";
List<string> list = new List<string>();
StringBuilder stringBuilder = new StringBuilder();
if (NetworkAnalystParam.ToJson(proximityParam.NetworkAnalystParam) != null)
{
stringBuilder.Append("\"networkAnalystParam\"");
stringBuilder.Append(":");
stringBuilder.Append(NetworkAnalystParam.ToJson(proximityParam.NetworkAnalystParam));
list.Add(stringBuilder.ToString());
}
list.Add(string.Format("\"isFromEvent\":{0}", proximityParam.IsFromEvent));
list.Add(string.Format("\"maxImpedance\":{0}", proximityParam.MaxImpedance));
list.Add(string.Format("\"facilityCount\":{0}", proximityParam.FacilityCount));
json += string.Join(",", list.ToArray());
json += "}";
return json;
}
//最近设施查找
private void FindClosestFacility_Click(object sender, RoutedEventArgs e)
{
//设置权重字段列表
WeightFieldInfo weightFieldInfo = new WeightFieldInfo { Name = "length", TFWeightField = "SmLength", FTWeightField = "SmLength" };
List<WeightFieldInfo> list = new List<WeightFieldInfo>();
list.Add(weightFieldInfo);
//设置网络分析模型
NetworkModelSetting networkModelSetting = new NetworkModelSetting
{
NetworkDatasetName = "RoadNet",
NetworkDataSourceName = "changchun",
Tolerance = 30,
NodeIDField = "SMNODEID",
EdgeIDField = "SmID",
WeightFieldInfos = list,
TNodeIDField = "SMTNODE",
FNodeIDField = "SMFNODE",
};
//设置网络分析参数
NetworkAnalystParam networkAnalystParam = new NetworkAnalystParam
{
Point2Ds = points,
IsPathsReturn = true,
WeightName = "length"
};
//设置最近设施查找参数
ProximityParam proximityParam = new ProximityParam
{
FacilityCount = 1,
MaxImpedance = 100000,
NetworkAnalystParam = networkAnalystParam
};
//设置最近设施分析参数
ClosestFacilityParameters paramters = new ClosestFacilityParameters
{
MapName = "Changchun",
EventPoint = eventp,
NetworkSetting = networkModelSetting,
ProximityParam = proximityParam
};
//与服务器交换
ClosestFacilityService service = new ClosestFacilityService("http://localhost:7080/demo");
service.ProcessAsync(paramters);
service.Failed += new EventHandler<ServiceFailedEventArgs>(service_Failed);
service.ProcessCompleted += new EventHandler<NetworkAnalystEventArgs>(service_ProcessCompleted);
}