public static INetworkDataset GetNetworkDataset(IDatasetContainer2 datasetContainer, string ndName)
{
INetworkDataset networkDataset;
try
{
networkDataset = datasetContainer.get_DatasetByName(esriDatasetType.esriDTNetworkDataset, ndName) as INetworkDataset;
}
catch (Exception e)
{
if (e.Message.Contains("0x80042603"))
{
throw new Exception("Unable to read network dataset. Ensure that the installed version of the TransitEvaluator.dll matches the installed version of ArcGIS. GDB Exception: " + e.Message);
}
else
{
throw e;
}
}
if (networkDataset == null)
{
throw new Exception("NATestNetworkDataset: networkDataset should not be null");
}
return(networkDataset);
}
/// <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);
}
}
private INetworkDataset ShapefileToNetwork(IWorkspace shpWS, string name)
{
IWorkspaceExtensionManager wsExtMgr = shpWS as IWorkspaceExtensionManager;
UID myUID = new UIDClass();
myUID.Value = "esriGeoDatabase.NetworkDatasetWorkspaceExtension";
IWorkspaceExtension wsExt = wsExtMgr.FindExtension(myUID);
IDatasetContainer2 dsCont = wsExt as IDatasetContainer2;
IDataset dataset = dsCont.get_DatasetByName(esriDatasetType.esriDTNetworkDataset, name);
INetworkDataset networkDataset = dataset as INetworkDataset;
return(networkDataset);
}
private void SetMemberVariables()
{
IFeatureWorkspace pWorkspace = this.m_pWorkspace as IFeatureWorkspace;
IWorkspaceExtensionManager manager = this.m_pWorkspace as IWorkspaceExtensionManager;
UID gUID = new UIDClass
{
Value = "esriGeoDatabase.NetworkDatasetWorkspaceExtension"
};
IDatasetContainer2 container = manager.FindExtension(gUID) as IDatasetContainer2;
this.m_pNetworkDataset =
container.get_DatasetByName(esriDatasetType.esriDTNetworkDataset, this.NETWORK_DATASET) as
INetworkDataset;
this.m_pInputStopsFClass = pWorkspace.OpenFeatureClass(this.INPUT_STOPS_FC);
}
public INetworkDataset OpenNetworkDataset(IWorkspace pWorkspace, string sNDSName)
{
IWorkspaceExtensionManager manager = pWorkspace as IWorkspaceExtensionManager;
int extensionCount = manager.ExtensionCount;
for (int i = 0; i < extensionCount; i++)
{
IWorkspaceExtension extension = manager.get_Extension(i);
if (extension.Name.Equals("Network Dataset"))
{
IDatasetContainer2 container = extension as IDatasetContainer2;
return
(container.get_DatasetByName(esriDatasetType.esriDTNetworkDataset, sNDSName) as INetworkDataset);
}
}
return(null);
}
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 INetworkDataset GetNetworkDataset(IDatasetContainer2 datasetContainer, string ndName)
{
INetworkDataset networkDataset;
try
{
networkDataset = datasetContainer.get_DatasetByName(esriDatasetType.esriDTNetworkDataset, ndName) as INetworkDataset;
}
catch (Exception e)
{
if (e.Message.Contains("0x80042603"))
{
throw new Exception("Unable to read network dataset. Ensure that the installed version of the TransitEvaluator.dll matches the installed version of ArcGIS. GDB Exception: " + e.Message);
}
else
{
throw e;
}
}
if (networkDataset == null)
throw new Exception("NATestNetworkDataset: networkDataset should not be null");
return networkDataset;
}