/// <summary>
/// 打开网络数据集
/// </summary>
/// <param name="GDBfileName"></param>
/// <param name="featureDatasetName"></param>
/// <param name="sNDSName"></param>
/// <returns></returns>
public static INetworkDataset OpenNetworkDataset(string GDBfileName, string featureDatasetName, string sNDSName)
{
try
{
IWorkspace pWorkspace = OpenWorkspace(GDBfileName);
IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;
if (pFeatureWorkspace == null)
{
return(null);
}
IFeatureDatasetExtensionContainer pFeatureDatasetExtensionContainer = pFeatureWorkspace.OpenFeatureDataset(featureDatasetName) as IFeatureDatasetExtensionContainer;
if (pFeatureDatasetExtensionContainer == null)
{
return(null);
}
IDatasetContainer2 pDatasetContainer2 = pFeatureDatasetExtensionContainer.FindExtension(esriDatasetType.esriDTNetworkDataset) as IDatasetContainer2;
INetworkDataset pNetworkDataset = pDatasetContainer2.get_DatasetByName(esriDatasetType.esriDTAny, sNDSName) as INetworkDataset;
return(pNetworkDataset);
}
catch (Exception ex)
{
Debug.Print(ex.Message);
return(null);
}
}
//根据存放网络数据集的工作空间和网络数据集名称以及要素数据集名称打开网络数据集
public static INetworkDataset OpenPathNetworkDataset(IWorkspace networkDatasetWorkspace,
string networkDatasetName, string featureDatasetName)
{
if (networkDatasetWorkspace == null || networkDatasetName == "" ||
featureDatasetName == null)
{
return(null);
}
IDatasetContainer3 datasetContainer3 = null;//数据集容器。数据集的集合
IFeatureWorkspace featureWorkspace = networkDatasetWorkspace as IFeatureWorkspace;
IFeatureDataset featureDataset;
featureDataset = featureWorkspace.OpenFeatureDataset(featureDatasetName);//根据名字打开要素数据集
IFeatureDatasetExtensionContainer featureDataExtensionContainer =
featureDataset as IFeatureDatasetExtensionContainer;
IFeatureDatasetExtension featureDatasetExtension = featureDataExtensionContainer.FindExtension(
esriDatasetType.esriDTNetworkDataset);
datasetContainer3 = featureDatasetExtension as IDatasetContainer3;
if (datasetContainer3 == null)
{
return(null);
}
IDataset dataSet = datasetContainer3.get_DatasetByName(esriDatasetType.esriDTNetworkDataset,
networkDatasetName);
return(dataSet as INetworkDataset);
}
/// <summary>
/// 打开网络数据集
/// </summary>
public INetworkDataset OpenNetworkDataset(IWorkspace networkDatasetWorkspace, System.String networkDatasetName, System.String featureDatasetName)
{
if (networkDatasetWorkspace == null || networkDatasetName == "" || featureDatasetName == null)
{
return(null);
}
IFeatureWorkspace featureWorkspace = networkDatasetWorkspace as IFeatureWorkspace;
featureDataset = featureWorkspace.OpenFeatureDataset(featureDatasetName);
IFeatureDatasetExtensionContainer featureDatasetExtensionContainer = featureDataset as IFeatureDatasetExtensionContainer;
IFeatureDatasetExtension featureDatasetExtension = featureDatasetExtensionContainer.FindExtension(esriDatasetType.esriDTNetworkDataset);
IDatasetContainer3 datasetContainer3 = (IDatasetContainer3)featureDatasetExtension;
if (datasetContainer3 == null)
{
return(null);
}
IDataset dataset = datasetContainer3.get_DatasetByName(esriDatasetType.esriDTNetworkDataset, networkDatasetName);
return(dataset as INetworkDataset);
}
public IDataset GetUNDataset2(IServerObject serverObject, string versionName = null)
{
IDataset unDataset = null;
IMapServer mapService = (MapServer)serverObject;
IMapServerDataAccess mapServerDataAccess = (IMapServerDataAccess)serverObject;
// Get feature class from any layer
IFeatureClass fc = (IFeatureClass)mapServerDataAccess.GetDataSource(mapService.DefaultMapName, 0);
// Get the container feature dataset
IFeatureDataset fd = fc.FeatureDataset;
// Open feature dataset in specified version
if (!String.IsNullOrEmpty(versionName))
{
IWorkspace workspace = fd.Workspace;
IVersionedWorkspace4 versionedWorkspace = (IVersionedWorkspace4)workspace;
IVersion4 childVersion = (IVersion4)versionedWorkspace.FindVersion(versionName);
IFeatureWorkspace childFWS = (IFeatureWorkspace)childVersion;
fd = childFWS.OpenFeatureDataset(fd.Name);
}
// Get extension container
IFeatureDatasetExtensionContainer fdce = (IFeatureDatasetExtensionContainer)fd;
// Find UN dataset by type
IFeatureDatasetExtension unFDSExt = fdce.FindExtension(esriDatasetType.esriDTUtilityNetwork);
IDatasetContainer2 unDSContainer = (IDatasetContainer2)unFDSExt;
IEnumDatasetName dsNames = unDSContainer.DatasetNames[esriDatasetType.esriDTUtilityNetwork];
IDatasetName dsName = dsNames.Next();
if (dsName != null)
{
unDataset = unDSContainer.DatasetByName[esriDatasetType.esriDTUtilityNetwork, dsName.Name];
}
return(unDataset);
}
private INetworkDataset OpenNetworkDataset(IWorkspace networkDatasetWorkspace, string networkDatasetName, string featureDatasetName)
{
if (networkDatasetWorkspace == null || networkDatasetName == "" || featureDatasetName == null)
{
return(null);
}
IDatasetContainer2 datasetContainer2 = null;
IFeatureWorkspace featureWorkspace = networkDatasetWorkspace as IFeatureWorkspace;
featureDataset = featureWorkspace.OpenFeatureDataset(featureDatasetName);
IFeatureDatasetExtensionContainer featureDatasetExtensionContainer = featureDataset as IFeatureDatasetExtensionContainer;
IFeatureDatasetExtension featureDatasetExtension = featureDatasetExtensionContainer.FindExtension(esriDatasetType.esriDTNetworkDataset);
datasetContainer2 = featureDatasetExtension as IDatasetContainer3;
if (datasetContainer2 == null)
{
return(null);
}
IDataset dataset = datasetContainer2.get_DatasetByName(esriDatasetType.esriDTNetworkDataset, networkDatasetName);
return(dataset as INetworkDataset);
}
public static IDatasetContainer3 GetDatasetContainer(IFeatureWorkspace featureWorkspace, string fdName)
{
IDatasetContainer3 datasetContainer = null;
if (featureWorkspace is IWorkspace2)
{
IWorkspace2 workspace = featureWorkspace as IWorkspace2;
bool fdExists = workspace.get_NameExists(esriDatasetType.esriDTFeatureDataset, fdName);
if (!fdExists)
{
throw new Exception("Feature Dataset does not exist.");
}
}
IFeatureDatasetExtensionContainer fdExtensionContainer = (IFeatureDatasetExtensionContainer)featureWorkspace.OpenFeatureDataset(fdName);
datasetContainer = (IDatasetContainer3)fdExtensionContainer.FindExtension(esriDatasetType.esriDTNetworkDataset);
if (datasetContainer == null)
{
throw new Exception("NATestNetworkDataset: dataset container should not be null");
}
return(datasetContainer);
}
private INetworkDataset method_1(IFeatureDataset ifeatureDataset_1, string string_1)
{
int num;
IGeoDataset dataset = (IGeoDataset)ifeatureDataset_1;
ISpatialReference spatialReference = dataset.SpatialReference;
IDENetworkDataset dataset2 = new DENetworkDatasetClass();
IDataElement element = (IDataElement)dataset2;
IDEGeoDataset dataset3 = (IDEGeoDataset)dataset2;
element.Name = string_1;
dataset2.Buildable = true;
dataset3.SpatialReference = spatialReference;
IArray array = new ArrayClass();
for (num = 0; num < this.FeatureClassWraps.Count; num++)
{
if (this.FeatureClassWraps[num].IsUse)
{
INetworkSource source;
IFeatureClass featureClass = this.FeatureClassWraps[num].FeatureClass;
if (featureClass.ShapeType == esriGeometryType.esriGeometryPoint)
{
source = new JunctionFeatureSourceClass
{
Name = this.FeatureClassWraps[num].ToString()
};
IJunctionFeatureSource source2 = (IJunctionFeatureSource)source;
source2.ClassConnectivityPolicy =
(esriNetworkJunctionConnectivityPolicy)
this.FeatureClassWraps[num].NetworkConnectivityPolicy;
if (this.ModifyConnectivity)
{
source2.ElevationFieldName = this.FeatureClassWraps[num].ElevationFieldName;
}
array.Add(source);
}
else if (featureClass.ShapeType == esriGeometryType.esriGeometryPolyline)
{
source = new EdgeFeatureSourceClass();
IEdgeFeatureSource source3 = (IEdgeFeatureSource)source;
source.Name = this.FeatureClassWraps[num].ToString();
source3.ClassConnectivityGroup = 1;
source3.ClassConnectivityPolicy =
(esriNetworkEdgeConnectivityPolicy)this.FeatureClassWraps[num].NetworkConnectivityPolicy;
if (this.ModifyConnectivity)
{
source3.FromElevationFieldName = this.FeatureClassWraps[num].FromElevationFieldName;
source3.ToElevationFieldName = this.FeatureClassWraps[num].ToElevationFieldName;
}
array.Add(source);
}
}
}
dataset2.Sources = array;
for (num = 0; num < this.iarray_0.Count; num++)
{
dataset2.Attributes.Add(this.iarray_0.get_Element(num));
}
dataset2.SupportsTurns = this.bool_2;
IFeatureDatasetExtensionContainer container = (IFeatureDatasetExtensionContainer)ifeatureDataset_1;
IDatasetContainer2 container2 =
(IDatasetContainer2)container.FindExtension(esriDatasetType.esriDTNetworkDataset);
return((INetworkDataset)container2.CreateDataset((IDEDataset)dataset2));
}