${iServer2_BufferAnalystParam_Title}
${iServer2_BufferAnalystParam_Description}
internal static string ToJson(BufferAnalystParam bufferAnalystParam)
{
if (bufferAnalystParam == null)
{
return null;
}
string json = "{";
List<string> list = new List<string>();
list.Add(string.Format("\"leftDistance\":{0}", bufferAnalystParam.LeftDistance));
list.Add(string.Format("\"rightDistance\":{0}", bufferAnalystParam.RightDistance));
list.Add(string.Format("\"semicircleLineSegment\":{0}", bufferAnalystParam.SemicircleLineSegment));
list.Add(string.Format("\"bufferSideType\":\"{0}\"", ((int)bufferAnalystParam.BufferSideType).ToString()));
list.Add(string.Format("\"bufferEndType\":\"{0}\"", ((int)bufferAnalystParam.BufferEndType)).ToString());
json += string.Join(",", list.ToArray());
json += "}";
return json;
}
//设置缓冲区查询参数类
private void LoadParam(SuperMap.Web.Core.Geometry geo)
{
List<QueryLayerParam> queryLayerParams = new List<QueryLayerParam>();
if (QueriedComboBox.SelectedIndex != 3)
{
//在一个图层中查询，获取要查询的图层名
QueryLayerParam queryLayerParam = new QueryLayerParam();
queryLayerParam.Name = QueriedComboBox.SelectionBoxItem.ToString();
//查询图层参数列表
queryLayerParams = new List<QueryLayerParam>() { queryLayerParam };
}
else
{
//在三个图层中查询，获取要查询的图层名
QueryLayerParam queryLayerParamLine = new QueryLayerParam();
queryLayerParamLine.Name = SchoolLayerName;
QueryLayerParam queryLayerParamPolygon = new QueryLayerParam();
queryLayerParamPolygon.Name = RailLayerName;
QueryLayerParam queryLayerParamPoint = new QueryLayerParam();
queryLayerParamPoint.Name = ResidentialLayerName;
//查询图层参数列表
queryLayerParams = new List<QueryLayerParam>()
{ queryLayerParamPoint,
queryLayerParamLine,
queryLayerParamPolygon
};
}
//缓冲区参数类
BufferAnalystParam param = new BufferAnalystParam
{
LeftDistance = 100,
SemicircleLineSegment = 10,
};
//如果为缓冲区查询，则设置缓冲区查询参数
if (BufferQuery.IsChecked == true)
{
BufferQueryParameters parameters = new BufferQueryParameters
{
BufferParam = param,
Geometry = geo,
QueryMode = SpatialQueryMode.Intersect,
MapName = "Changchun",
QueryParam = new QueryParam { QueryLayerParams = queryLayerParams, ExpectCount = 0 }
};
BufferQueryService query = new BufferQueryService("http://localhost:7080/demo/");
query.ProcessAsync(parameters);
query.ProcessCompleted += new EventHandler<BufferQueryEventArgs>(query_ProcessCompleted);
query.Failed += new EventHandler<ServiceFailedEventArgs>(query_Failed);
}
//如果为地物缓冲区查询，则设置地物缓冲区查询参数
else
{
EntityBufferQueryParameters parameters = new EntityBufferQueryParameters
{
BufferParam = param,
Geometry = geo,
QueryMode = SpatialQueryMode.Intersect,
MapName = "Changchun",
QueryParam = new QueryParam { QueryLayerParams = queryLayerParams, ExpectCount = 0 },
FromLayer = QueryComboBox.SelectionBoxItem.ToString()
};
EntityBufferQueryService query = new EntityBufferQueryService("http://localhost:7080/demo/");
query.ProcessAsync(parameters);
query.ProcessCompleted += new EventHandler<BufferQueryEventArgs>(query_ProcessCompleted);
query.Failed += new EventHandler<ServiceFailedEventArgs>(query_Failed);
}
}