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public GetFeature ( string datasetNames, Geometry geometry, SpatialQueryMode spatialQueryMode, string fields ) : List |
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| datasetNames | string | 数据集名称数组(datasourceName:datasetName)，如 World:Capitals，必选参数。 |
| geometry | Geometry | 几何对象。 |
| spatialQueryMode | SpatialQueryMode | 空间查询模式。 |
| fields | string | 待返回的字段数组。当该参数为 null 时，返回全部字段。 |
| return | List |
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public void GetFeatureTest_BOUNDS_ATTRIBUTEFILTER()
{
Data data = new Data("http://" + ip + ":8090/iserver/services/data-world/rest");
string[] datasetNames = { "World:Capitals", "World:Ocean" };
Rectangle2D bound = new Rectangle2D(new Point2D(-45, -45), new Point2D(45, 45));
string[] fields = { "smid", "CAP_POP" };
List<Feature> result = data.GetFeature(datasetNames, bound, "smid<60", fields);
Assert.IsNotNull(result);
Assert.AreEqual(result.Count, 32);
Assert.AreEqual(result[0].FieldValues.Length, 2);
Assert.AreEqual(result[0].FieldNames.Length, 2);
Assert.AreEqual(result[10].FieldNames.Length, 2);
Assert.AreEqual(result[31].Id, 56);
}
public void GetFeatureTest_SPATIAL_ATTRIBUTEFILTER()
{
Data data = new Data("http://" + ip + ":8090/iserver/services/data-world/rest");
string[] datasetNames = { "World:Capitals", "World:Ocean" };
Geometry geometry = new Geometry();
geometry.Parts = new int[1] { 5 };
geometry.Points = new Point2D[5];
geometry.Points[0] = new Point2D(-45, -90);
geometry.Points[1] = new Point2D(-45, 90);
geometry.Points[2] = new Point2D(45, 90);
geometry.Points[3] = new Point2D(45, -90);
geometry.Points[4] = new Point2D(-45, -90);
string[] fields = { "smid", "CAP_POP" };
List<Feature> result = data.GetFeature(datasetNames, geometry, SpatialQueryMode.CONTAIN, "smid<10", fields);
Assert.IsNotNull(result);
Assert.AreEqual(result.Count, 11);
Assert.AreEqual(result[0].FieldValues.Length, 2);
Assert.AreEqual(result[0].FieldNames.Length, 2);
Assert.AreEqual(result[10].FieldNames.Length, 1);
Assert.AreEqual(result[10].Id, 7);
}
public void GetFeatureTest_ID()
{
Data data = new Data("http://" + ip + ":8090/iserver/services/data-world/rest");
string[] datasetNames = { "World:Capitals", "World:Ocean" };
int[] ids = { 1, 2, 3, 5, 7 };
string[] fields = { "smid", "CAP_POP" };
List<Feature> result = data.GetFeature(datasetNames, ids, fields);
Assert.IsNotNull(result);
Assert.AreEqual(result.Count, 10);
Assert.AreEqual(result[0].FieldNames.Length, 2);
Assert.AreEqual(result[0].FieldNames[0], "smid");
Assert.AreEqual(result[0].FieldNames[1], "CAP_POP");
Assert.AreEqual(result[0].FieldValues[0], "1");
Assert.AreEqual(result[0].FieldValues[1], "582000.0");
Assert.AreEqual(result[9].FieldNames.Length, 1);
Assert.AreEqual(result[9].FieldNames[0], "smid");
//Assert.AreEqual(result[9].FieldNames[1], null);
//Assert.AreEqual(result[9].FieldValues[0], "7");
//Assert.AreEqual(result[9].FieldValues[1], null);
//Assert.AreEqual(result[9].Id, 7);
}
public void GetFeatureTest_Buffer()
{
Data data = new Data("http://" + ip + ":8090/iserver/services/data-world/rest");
string[] datasetNames = { "World:Capitals", "World:Ocean" };
Geometry geometry = new Geometry();
geometry.Parts = new int[1] { 5 };
geometry.Points = new Point2D[5];
geometry.Points[0] = new Point2D(-45, -90);
geometry.Points[1] = new Point2D(-45, 90);
geometry.Points[2] = new Point2D(45, 90);
geometry.Points[3] = new Point2D(45, -90);
geometry.Points[4] = new Point2D(-45, -90);
double bufferDistance = 0.1;
string[] fields = { "smid", "CAP_POP" };
List<Feature> result = data.GetFeature(datasetNames, geometry, bufferDistance, fields);
Assert.IsNotNull(result);
Assert.AreEqual(result.Count, 118);
Assert.AreEqual(result[0].FieldNames.Length, 2);
Assert.AreEqual(result[0].FieldNames[0], "smid");
Assert.AreEqual(result[0].FieldNames[1], "CAP_POP");
Assert.AreEqual(result[0].FieldValues[0], "1");
Assert.AreEqual(result[0].FieldValues[1], "582000.0");
Assert.AreEqual(result[0].Geometry.Id, 1);
Assert.AreEqual(result[0].Id, 1);
Assert.AreEqual(result[117].FieldNames.Length, 1);
Assert.AreEqual(result[117].FieldNames[0], "smid");
//Assert.AreEqual(result[117].FieldNames[1], null);
//Assert.AreEqual(result[117].FieldValues[0], "68");
//Assert.AreEqual(result[117].FieldValues[1], null);
}
public void GetFeatureTest_SqlByMaxFeatures()
{
Data data = new Data("http://" + ip + ":8090/iserver/services/data-world/rest");
string[] datasetNames = { "World:Capitals", "World:Ocean" };
List<Feature> result = data.GetFeature(datasetNames, null, 1);
Assert.IsNotNull(result);
Assert.AreEqual(result.Count, 2);
Assert.AreEqual(result[0].FieldValues.Length, 9);
Assert.AreEqual(result[0].FieldValues[6], "维尔纽斯");
Assert.AreEqual(result[1].FieldValues.Length, 10);
Assert.AreEqual(result[1].FieldValues[7], "120.0");
}
public void GetFeatureTestSQL()
{
Data data = new Data("http://" + ip + ":8090/iserver/services/data-world/rest");
string[] datasetNames = { "World:Capitals", "World:Ocean" };
List<Feature> result = data.GetFeature(datasetNames, new QueryParameter());
Assert.IsNotNull(result);
Assert.AreEqual(result.Count, 235);
Assert.AreEqual(result[0].FieldNames.Length, 9);
Assert.AreEqual(result[0].FieldValues[6], "维尔纽斯");
Assert.AreEqual(result[234].FieldNames.Length, 10);
Assert.AreEqual(result[234].FieldValues[8], "1944");
Assert.AreEqual(result[234].Id, 72);
Assert.AreEqual(result[234].Geometry.Id, 72);
}
