/// <summary>Returns general network direction information from the XML</summary>
public GeneralNetworkDirectionInfo GeneralNetworkDirections()
{
XElement xDirections = _xml.XPathSelectElement("//networkConfiguration/directions");
if (xDirections == null)
{
return(null);
}
GeneralNetworkDirectionInfo dirInfo = new GeneralNetworkDirectionInfo();
dirInfo.LengthAttr = (string)xDirections.Element("length_attr");
XElement xUnits = xDirections.Element("length_units");
if (xUnits != null)
{
dirInfo.LengthUnits = (esriNetworkAttributeUnits)Enum.Parse(typeof(esriNetworkAttributeUnits), "esriNAU" + xUnits.Value);
}
dirInfo.RoadClassAttr = (string)xDirections.Element("road_class_attr");
dirInfo.TimeAttr = (string)xDirections.Element("time_attr");
return(dirInfo);
}
/// <summary>Creates an new (unbuilt) Network Dataset</summary>
private void CreateBuildableNDS()
{
IDENetworkDataset2 deNetworkDataset = new DENetworkDatasetClass();
deNetworkDataset.Buildable = true;
((IDataElement)deNetworkDataset).Name = _ndsName;
// Copy the feature dataset's extent and spatial reference to the network dataset
IDEGeoDataset deGeoDataset = (IDEGeoDataset)deNetworkDataset;
deGeoDataset.Extent = _extent;
deGeoDataset.SpatialReference = _spatialReference;
deNetworkDataset.ElevationModel = esriNetworkElevationModel.esriNEMNone;
deNetworkDataset.SupportsTurns = true;
// General Network Directions
GeneralNetworkDirectionInfo dirInfo = _xml.GeneralNetworkDirections();
if (dirInfo != null)
{
INetworkDirections netdir = new NetworkDirectionsClass();
netdir.LengthAttributeName = dirInfo.LengthAttr;
netdir.DefaultOutputLengthUnits = dirInfo.LengthUnits;
netdir.RoadClassAttributeName = dirInfo.RoadClassAttr;
netdir.TimeAttributeName = dirInfo.TimeAttr;
deNetworkDataset.Directions = netdir;
}
IArray sources = new ArrayClass();
foreach (INetworkSource ns in EnumerateNetworkSources())
{
sources.Add(ns);
}
IArray attrs = new ArrayClass();
foreach (var na in _networkAttrs)
{
attrs.Add(na);
}
deNetworkDataset.Sources = sources;
deNetworkDataset.Attributes = attrs;
// Get the feature dataset extension and create the network dataset from the data element.
IFeatureDatasetExtension fdExtension = ((IFeatureDatasetExtensionContainer)_osmDataset).FindExtension(esriDatasetType.esriDTNetworkDataset);
_networkDataset = (INetworkDataset)((IDatasetContainer2)fdExtension).CreateDataset((IDEDataset)deNetworkDataset);
}
