private INALayer CreateRouteAnalysisLayer(string sName, INetworkDataset pNetworkDataset)
{
INARouteSolver solver = new NARouteSolverClass();
INASolverSettings settings = solver as INASolverSettings;
INASolver solver2 = solver as INASolver;
solver.FindBestSequence = true;
solver.PreserveFirstStop = true;
solver.PreserveLastStop = false;
solver.UseTimeWindows = false;
solver.OutputLines = esriNAOutputLineType.esriNAOutputLineTrueShapeWithMeasure;
IStringArray restrictionAttributeNames = settings.RestrictionAttributeNames;
restrictionAttributeNames.Add("Oneway");
settings.RestrictionAttributeNames = restrictionAttributeNames;
IDatasetComponent component = pNetworkDataset as IDatasetComponent;
IDENetworkDataset dataElement = component.DataElement as IDENetworkDataset;
INAContext context = solver2.CreateContext(dataElement, sName);
(context as INAContextEdit).Bind(pNetworkDataset, new GPMessagesClass());
INALayer layer = solver2.CreateLayer(context);
(layer as ILayer).Name = sName;
return(layer);
}
/// <summary>
/// 根据网络数据集创建网络分析上下文
/// </summary>
/// <param name="networkDataset"></param>
/// <returns></returns>
private static INAContext CreateNAContext(INetworkDataset networkDataset)
{
IDENetworkDataset pDENetworkDataset = GetDENetworkDataset(networkDataset);
INASolver pNASolver = new NARouteSolverClass();
INAContextEdit pNAContextEdit = pNASolver.CreateContext(pDENetworkDataset, pNASolver.Name) as INAContextEdit;
pNAContextEdit.Bind(networkDataset, new GPMessagesClass());
return(pNAContextEdit as INAContext);
}
/// <summary>
/// Create a new network analysis layer and set some solver settings
/// </summary>
private INALayer CreateRouteAnalysisLayer(String layerName, INetworkDataset networkDataset)
{
INARouteSolver naRouteSolver = new NARouteSolverClass();
INASolverSettings naSolverSettings = naRouteSolver as INASolverSettings;
INASolver naSolver = naRouteSolver as INASolver;
//Get the NetworkDataset's Data Element
IDatasetComponent datasetComponent = networkDataset as IDatasetComponent;
IDENetworkDataset deNetworkDataset = datasetComponent.DataElement as IDENetworkDataset;
//Create the NAContext and bind to it
INAContext naContext;
naContext = naSolver.CreateContext(deNetworkDataset, layerName);
INAContextEdit naContextEdit = naContext as INAContextEdit;
naContextEdit.Bind(networkDataset, new GPMessagesClass());
//Create the NALayer
INALayer naLayer;
naLayer = naSolver.CreateLayer(naContext);
(naLayer as ILayer).Name = layerName;
//Set properties on the route solver interface
naRouteSolver.FindBestSequence = true;
naRouteSolver.PreserveFirstStop = true;
naRouteSolver.PreserveLastStop = false;
naRouteSolver.UseTimeWindows = false;
naRouteSolver.OutputLines = esriNAOutputLineType.esriNAOutputLineTrueShapeWithMeasure;
//Set some properties on the general INASolverSettings interface
IStringArray restrictions = naSolverSettings.RestrictionAttributeNames;
restrictions.Add("Oneway");
naSolverSettings.RestrictionAttributeNames = restrictions;
// Update the context based on the changes made to the solver settings
naSolver.UpdateContext(naContext, deNetworkDataset, new GPMessagesClass());
//Return the layer
return(naLayer);
}
private INAContext CreateNAContext(INetworkDataset networkDataset)
{
IDENetworkDataset pDENetworkDataset = GetDENetworkDataset(networkDataset);
INASolver pNASolver = new NARouteSolverClass();
INAContextEdit pNAContextEdit = pNASolver.CreateContext(pDENetworkDataset, pNASolver.Name) as INAContextEdit;
pNAContextEdit.Bind(networkDataset, new GPMessagesClass());
return pNAContextEdit as INAContext;
}
/// <summary>
/// Create a new network analysis layer and set some solver settings
/// </summary>
private INALayer CreateRouteAnalysisLayer(String layerName, INetworkDataset networkDataset)
{
INARouteSolver naRouteSolver = new NARouteSolverClass();
INASolverSettings naSolverSettings = naRouteSolver as INASolverSettings;
INASolver naSolver = naRouteSolver as INASolver;
//Get the NetworkDataset's Data Element
IDatasetComponent datasetComponent = networkDataset as IDatasetComponent;
IDENetworkDataset deNetworkDataset = datasetComponent.DataElement as IDENetworkDataset;
//Create the NAContext and bind to it
INAContext naContext;
naContext = naSolver.CreateContext(deNetworkDataset, layerName);
INAContextEdit naContextEdit = naContext as INAContextEdit;
naContextEdit.Bind(networkDataset, new GPMessagesClass());
//Create the NALayer
INALayer naLayer;
naLayer = naSolver.CreateLayer(naContext);
(naLayer as ILayer).Name = layerName;
//Set properties on the route solver interface
naRouteSolver.FindBestSequence = true;
naRouteSolver.PreserveFirstStop = true;
naRouteSolver.PreserveLastStop = false;
naRouteSolver.UseTimeWindows = false;
naRouteSolver.OutputLines = esriNAOutputLineType.esriNAOutputLineTrueShapeWithMeasure;
//Set some properties on the general INASolverSettings interface
IStringArray restrictions = naSolverSettings.RestrictionAttributeNames;
restrictions.Add("Oneway");
naSolverSettings.RestrictionAttributeNames = restrictions;
// Update the context based on the changes made to the solver settings
naSolver.UpdateContext(naContext, deNetworkDataset, new GPMessagesClass());
//Return the layer
return naLayer;
}
//创建解决器上下文
public static INAContext CreateSolverContext(INetworkDataset networkDataset,string ServiceType)
{
//Get the Data Element
IDENetworkDataset deNDS = GetDENetworkDataset(networkDataset);
INASolver naSolver=null;
switch (ServiceType)
{
case "路线":
naSolver = new NARouteSolverClass();
break;
case "服务":
naSolver = new NAServiceAreaSolverClass();
break;
case "设施":
naSolver = new NAClosestFacilitySolverClass();
break;
case "费用":
naSolver = new NAODCostMatrixSolverClass();
break;
}
INAContextEdit contextEdit = naSolver.CreateContext(deNDS, naSolver.Name) as INAContextEdit;
contextEdit.Bind(networkDataset, new GPMessagesClass());
return contextEdit as INAContext;
}