//对目标地物进行查询
private void queryFeature(SuperMap.Web.Core.Geometry geo)
{
GetFeaturesByGeometryParameters param = new GetFeaturesByGeometryParameters
{
DatasetNames = new string[] { "Jingjin:Landuse_R" },
SpatialQueryMode = SpatialQueryMode.INTERSECT,
Geometry = geo,
};
GetFeaturesByGeometryService query = new GetFeaturesByGeometryService(url1);
query.ProcessAsync(param);
query.ProcessCompleted += new EventHandler<GetFeaturesEventArgs>(query_ProcessCompleted);
query.Failed += new EventHandler<ServiceFailedEventArgs>(query_Failed);
}
/// <summary>${iServerJava6R_GetFeaturesByGeometryService_method_ProcessAsync_D}</summary>
/// <param name="parameters">${iServerJava6R_GetFeaturesByGeometryService_method_ProcessAsync_param_Parameters}</param>
/// <param name="state">${iServerJava6R_GetFeaturesByGeometryService_method_ProcessAsync_param_state}</param>
public void ProcessAsync(GetFeaturesByGeometryParameters parameters, object state)
{
if (parameters == null)
{
throw new ArgumentNullException(ExceptionStrings.ArgumentIsNull);
}
if (string.IsNullOrEmpty(this.Url))
{
throw new InvalidOperationException(ExceptionStrings.InvalidUrl);
}
//base.Url += ".json?returnContent=true";
base.Url += string.Format(System.Globalization.CultureInfo.InvariantCulture, ".json?returnContent=true&debug=true&fromIndex={0}&toIndex={1}", parameters.FromIndex, parameters.ToIndex);
base.SubmitRequest(base.Url, GetParameters(parameters), new EventHandler<RequestEventArgs>(request_Completed), state, true);
}
void DrawCompleted(object sender , DrawEventArgs e)
{
if (e.Geometry == null)
{
return;
}
GetFeaturesByGeometryParameters param = new GetFeaturesByGeometryParameters
{
DatasetNames = new List<string> { "World:Countries" } ,
SpatialQueryMode = SuperMap.Web.iServerJava6R.SpatialQueryMode.INTERSECT ,
Geometry = e.Geometry
};
GetFeaturesByGeometryService service = new GetFeaturesByGeometryService(url);
service.ProcessCompleted += new EventHandler<GetFeaturesEventArgs>(service_ProcessCompleted);
service.ProcessAsync(param);
}
private Dictionary<string, string> GetParameters(GetFeaturesByGeometryParameters parameters)
{
Dictionary<string, string> dictionary = new Dictionary<string, string>();
if (string.IsNullOrEmpty(parameters.AttributeFilter))
{
dictionary.Add("getFeatureMode", "\"SPATIAL\"");
}
else
{
dictionary.Add("getFeatureMode", "\"SPATIAL_ATTRIBUTEFILTER\"");
dictionary.Add("attributeFilter", parameters.AttributeFilter);
}
if (parameters.DatasetNames != null && parameters.DatasetNames.Count > 0)
{
string jsonDatasetNames = "[";
List<string> list = new List<string>();
for (int i = 0; i < parameters.DatasetNames.Count; i++)
{
list.Add(string.Format("\"{0}\"", parameters.DatasetNames[i]));
}
jsonDatasetNames += string.Join(",", list.ToArray());
jsonDatasetNames += "]";
dictionary.Add("datasetNames", jsonDatasetNames);
}
else
{
throw new ArgumentNullException(ExceptionStrings.ArgumentIsNull);
}
dictionary.Add("spatialQueryMode", parameters.SpatialQueryMode.ToString().ToUpper());
if (parameters.Geometry != null)
{
dictionary.Add("geometry", ServerGeometry.ToJson(Bridge.ToServerGeometry(parameters.Geometry)));
}
else
{
throw new ArgumentNullException(ExceptionStrings.ArgumentIsNull);
}
if (parameters.Fields != null && parameters.Fields.Count > 0)
{
FilterParameter fp = new FilterParameter();
fp.Fields = parameters.Fields;
dictionary.Add("queryParameter", FilterParameter.ToJson(fp));
}
return dictionary;
}
/// <summary>${iServerJava6R_GetFeaturesByGeometryService_method_ProcessAsync_D}</summary>
/// <overloads>${iServerJava6R_GetFeaturesByGeometryService_method_ProcessAsync_overloads_D}</overloads>
public void ProcessAsync(GetFeaturesByGeometryParameters parameters)
{
ProcessAsync(parameters, null);
}
private void QueryFeatures_Click(object sender, RoutedEventArgs e)
{
//GetFeaturesByIDsParameters param = new GetFeaturesByIDsParameters
//{
// DatasetNames = new string[] { "World:Capital", "World:World" },
// IDs = new int[] { 2, 3, 5 },
// Fields = new string[] { "SmID" },
// FromIndex = 1,
// ToIndex = 10
//};
//GetFeaturesByIDsService queryFeaturesService = new GetFeaturesByIDsService(dataqueryurl);
//queryFeaturesService.ProcessAsync(param);
//queryFeaturesService.Failed += this.Failed;
//queryFeaturesService.ProcessCompleted += new EventHandler<GetFeaturesEventArgs>(queryFeaturesService_ProcessCompleted);
GetFeaturesByGeometryParameters geoParam = new GetFeaturesByGeometryParameters
{
Geometry = new GeoPoint(42, 21.5),
DatasetNames = new string[] { "World:Capital", "World:World" },
SpatialQueryMode = SpatialQueryMode.DISJOINT,
FromIndex = 0,
ToIndex = 10
};
GetFeaturesByGeometryService queryFeaturesService = new GetFeaturesByGeometryService(dataqueryurl);
queryFeaturesService.ProcessAsync(geoParam);
queryFeaturesService.Failed += this.Failed;
queryFeaturesService.ProcessCompleted += new EventHandler<GetFeaturesEventArgs>(queryFeaturesService_ProcessCompleted);
//GetFeaturesBySQLParameters sqlParam = new GetFeaturesBySQLParameters
//{
// DatasetNames = new string[] { "World:Capital", "World:World" },
// FilterParameter = new FilterParameter
// {
// Name = "World@World",
// AttributeFilter = "SmID=42",
// Fields = new string[] { "SmID" },
// }
//};
//GetFeaturesBySQLService queryFeaturesService = new GetFeaturesBySQLService(dataqueryurl);
//queryFeaturesService.ProcessAsync(sqlParam);
//queryFeaturesService.Failed += this.Failed;
//queryFeaturesService.ProcessCompleted += new EventHandler<GetFeaturesEventArgs>(queryFeaturesService_ProcessCompleted);
//GetFeaturesByBufferParameters bufferParam = new GetFeaturesByBufferParameters
//{
// DatasetNames = new string[] { "World:Capital", "World:World" },
// Geometry = new GeoPoint(42, 21.5),
// BufferDistance = 10,
// //AttributeFilter = "SmID<10"
//};
//GetFeaturesByBufferService queryFeaturesService = new GetFeaturesByBufferService(dataqueryurl);
//queryFeaturesService.ProcessAsync(bufferParam);
//queryFeaturesService.Failed += this.Failed;
//queryFeaturesService.ProcessCompleted += new EventHandler<GetFeaturesEventArgs>(queryFeaturesService_ProcessCompleted);
}
