public void Refresh()
{
// This method is called internally during a solve operation immediately prior to performing the actual solve
// This gives us an opportunity to update our evaluator's internal state based on parameter values
m_scaleFactor = 1;
m_countSourceEIDs = 0;
m_sourceEIDHashTable = new Dictionary <int, int>();
INetworkAttribute2 netAttribute2 = m_networkAttribute as INetworkAttribute2;
IArray netAttributeParams = netAttribute2.Parameters;
// Parameters: "ScaleSubset_Factor", "ScaleSubset_eids_<SourceName>"
string prefix = BaseParameterName + "_";
string paramScaleFactorName = prefix + "Factor";
string paramEIDsName = prefix + "eids_" + m_networkSource.Name;
int nParamScaleFactor = SubsetHelper.FindParameter(netAttributeParams, paramScaleFactorName);
int nParamEIDs = SubsetHelper.FindParameter(netAttributeParams, paramEIDsName);
object value;
INetworkAttributeParameter paramScaleFactor;
INetworkAttributeParameter paramEIDs;
if (nParamScaleFactor >= 0)
{
paramScaleFactor = netAttributeParams.get_Element(nParamScaleFactor) as INetworkAttributeParameter;
value = paramScaleFactor.Value;
if (value != null)
{
m_scaleFactor = (double)value;
}
}
if (nParamEIDs >= 0)
{
paramEIDs = netAttributeParams.get_Element(nParamEIDs) as INetworkAttributeParameter;
value = paramEIDs.Value as int[];
if (value != null)
{
int eid;
int[] rgEIDs;
rgEIDs = (int[])value;
int lb = rgEIDs.GetLowerBound(0);
int ub = rgEIDs.GetUpperBound(0);
for (int i = lb; i <= ub; ++i)
{
++m_countSourceEIDs;
eid = rgEIDs[i];
m_sourceEIDHashTable.Add(eid, eid);
}
}
}
}
public static List <INetworkAttribute2> FindAttributes(IArray netAttributesArray, List <int> netAttributeIndexes)
{
List <INetworkAttribute2> netAttributes = new List <INetworkAttribute2>();
foreach (int i in netAttributeIndexes)
{
INetworkAttribute2 netAttribute = netAttributesArray.get_Element(i) as INetworkAttribute2;
if (netAttribute != null)
{
netAttributes.Add(netAttribute);
}
}
return(netAttributes);
}
public void Initialize(INetworkDataset networkDataset, IDENetworkDataset dataElement, INetworkSource source, IEvaluatedNetworkAttribute evaluatedNetworkAttribute)
{
// Cache the network dataset geodatabase path
m_workspace_path_name = ((IDataset)networkDataset).Workspace.PathName;
m_UseSpecificDates = false;
m_CacheOnEverySolve = false;
m_RidingABicycle = false;
m_UsingAWheelchair = false;
m_networkAttribute = evaluatedNetworkAttribute as INetworkAttribute2;
CheckForVerboseLogging();
if (m_VerboseLogging)
{
WriteToOutputFile(m_LogFile, "Initialize" + Environment.NewLine + "m_workspace_path_name: " + m_workspace_path_name + Environment.NewLine + " m_UseSpecificDates defaults to: " + m_UseSpecificDates);
}
}
public static void ResetFilterSubsetParameters(INetworkAttribute2 netAttribute, List <string> netSourceNames)
{
IArray netParams = new ESRI.ArcGIS.esriSystem.ArrayClass();
INetworkAttributeParameter netParam = null;
object paramValue = null;
netParam = new NetworkAttributeParameterClass();
paramValue = true;
string paramName = "";
paramName = BaseParameterName;
paramName += "_Restrict";
netParam.Name = paramName;
netParam.VarType = (int)VarType.Bool;
netParam.Value = paramValue;
netParam.DefaultValue = paramValue;
netParams.Add(netParam);
netParam = new NetworkAttributeParameterClass();
paramValue = 1;
foreach (string netSourceName in netSourceNames)
{
netParam = new NetworkAttributeParameterClass();
paramValue = null;
paramName = BaseParameterName;
paramName += "_EIDs_";
paramName += netSourceName;
netParam.Name = paramName;
netParam.VarType = (int)(VarType.Array | VarType.Integer);
netParam.Value = paramValue;
netParam.DefaultValue = paramValue;
netParams.Add(netParam);
}
//does not preserve existing parameters if any
netAttribute.Parameters = netParams;
}
public static IEvaluatedNetworkAttribute AddFilterSubsetAttribute(IDENetworkDataset deNet)
{
IArray netAttributes = deNet.Attributes;
IEvaluatedNetworkAttribute netAttribute = new EvaluatedNetworkAttributeClass() as IEvaluatedNetworkAttribute;
netAttribute.Name = BaseParameterName;
netAttribute.UsageType = esriNetworkAttributeUsageType.esriNAUTRestriction;
netAttribute.DataType = esriNetworkAttributeDataType.esriNADTBoolean;
netAttribute.Units = esriNetworkAttributeUnits.esriNAUUnknown;
INetworkAttribute2 netAttribute2 = netAttribute as INetworkAttribute2;
netAttribute2.UseByDefault = true;
List <INetworkSource> allNetSources = SubsetHelper.GetSourceList(deNet.Sources);
List <INetworkSource> netSources = SubsetHelper.GetSourceList(allNetSources, esriNetworkElementType.esriNETEdge);
List <string> netSourceNames = SubsetHelper.GetSourceNames(netSources);
ResetFilterSubsetParameters((INetworkAttribute2)netAttribute, netSourceNames);
bool supportTurns = deNet.SupportsTurns;
//default evaluators
SubsetHelper.SetDefaultEvaluator(netAttribute, false, esriNetworkElementType.esriNETEdge);
SubsetHelper.SetDefaultEvaluator(netAttribute, false, esriNetworkElementType.esriNETJunction);
if (supportTurns)
{
SubsetHelper.SetDefaultEvaluator(netAttribute, false, esriNetworkElementType.esriNETTurn);
}
//sourced evaluators
foreach (INetworkSource netSource in netSources)
{
SubsetHelper.SetEvaluators(netAttribute, netSource, typeof(FilterSubsetEvaluator));
}
netAttributes.Add(netAttribute);
deNet.Attributes = netAttributes;
return(netAttribute);
}
public void Initialize(INetworkDataset networkDataset, IDENetworkDataset dataElement, INetworkSource source, IEvaluatedNetworkAttribute evaluatedNetworkAttribute)
{
// Cache the network dataset geodatabase path
m_workspace_path_name = ((IDataset)networkDataset).Workspace.PathName;
m_UseSpecificDates = false;
m_CacheOnEverySolve = false;
m_RidingABicycle = false;
m_UsingAWheelchair = false;
m_networkAttribute = evaluatedNetworkAttribute as INetworkAttribute2;
CheckForVerboseLogging();
if (m_VerboseLogging) WriteToOutputFile(m_LogFile, "Initialize" + Environment.NewLine + "m_workspace_path_name: " + m_workspace_path_name + Environment.NewLine + " m_UseSpecificDates defaults to: " + m_UseSpecificDates);
}
public static List <int> FindAttributeIndexes(IArray netAttributes, esriNetworkAttributeUsageType usage, esriNetworkAttributeDataType dataType, bool searchTimeUnits, bool ignoreDataType)
{
INetworkAttribute2 netAttribute = null;
esriNetworkAttributeUnits units = esriNetworkAttributeUnits.esriNAUUnknown;
bool isSearchUnits = false;
bool isUnknownUnits = false;
bool isTimeUnits = false;
List <int> netAttributeIndexes = new List <int>();
int count = netAttributes.Count;
for (int i = 0; i < count; ++i)
{
netAttribute = netAttributes.get_Element(i) as INetworkAttribute2;
if (netAttribute == null)
{
continue;
}
if (netAttribute.UsageType == usage && (ignoreDataType || netAttribute.DataType == dataType))
{
units = netAttribute.Units;
isSearchUnits = false;
if (usage != esriNetworkAttributeUsageType.esriNAUTCost)
{
isSearchUnits = true;
}
else
{
isUnknownUnits = false;
if (units == esriNetworkAttributeUnits.esriNAUUnknown)
{
isUnknownUnits = true;
}
isTimeUnits = false;
if (!isUnknownUnits)
{
if (units == esriNetworkAttributeUnits.esriNAUMinutes ||
units == esriNetworkAttributeUnits.esriNAUSeconds ||
units == esriNetworkAttributeUnits.esriNAUHours ||
units == esriNetworkAttributeUnits.esriNAUDays)
{
isTimeUnits = true;
}
if (searchTimeUnits)
{
isSearchUnits = isTimeUnits;
}
else
{
isSearchUnits = !isTimeUnits;
}
}
}
if (isSearchUnits)
{
netAttributeIndexes.Add(i);
}
}
}
return(netAttributeIndexes);
}
public static void ResetScaleSubsetParameters(INetworkAttribute2 netAttribute, List<string> netSourceNames)
{
IArray netParams = new ESRI.ArcGIS.esriSystem.ArrayClass();
INetworkAttributeParameter netParam = null;
object paramValue = null;
string paramName = "";
netParam = new NetworkAttributeParameterClass();
paramValue = 1;
paramName = BaseParameterName;
paramName += "_Factor";
netParam.Name = paramName;
netParam.VarType = (int)VarType.Double;
netParam.Value = paramValue;
netParam.DefaultValue = paramValue;
netParams.Add(netParam);
foreach (string netSourceName in netSourceNames)
{
netParam = new NetworkAttributeParameterClass();
paramValue = null;
paramName = BaseParameterName;
paramName += "_eids_";
paramName += netSourceName;
netParam.Name = paramName;
netParam.VarType = (int)(VarType.Array | VarType.Integer);
netParam.Value = paramValue;
netParam.DefaultValue = paramValue;
netParams.Add(netParam);
}
//does not preserve existing parameters if any
netAttribute.Parameters = netParams;
}
public static IEvaluatedNetworkAttribute AddScaleSubsetAttribute(IDENetworkDataset deNet, INetworkAttribute2 baseNetAttribute)
{
if (baseNetAttribute == null)
return null;
if (baseNetAttribute.UsageType != esriNetworkAttributeUsageType.esriNAUTCost)
return null;
IArray netAttributes = deNet.Attributes;
IEvaluatedNetworkAttribute netAttribute = new EvaluatedNetworkAttributeClass() as IEvaluatedNetworkAttribute;
string netAttributeName = BaseParameterName;
netAttributeName += "_";
netAttributeName += baseNetAttribute.Name;
netAttribute.Name = netAttributeName;
netAttribute.UsageType = baseNetAttribute.UsageType;
netAttribute.DataType = baseNetAttribute.DataType;
netAttribute.Units = baseNetAttribute.Units;
List<INetworkSource> allNetSources = SubsetHelper.GetSourceList(deNet.Sources);
List<INetworkSource> netSources = SubsetHelper.GetSourceList(allNetSources, esriNetworkElementType.esriNETEdge);
List<string> netSourceNames = SubsetHelper.GetSourceNames(netSources);
ResetScaleSubsetParameters((INetworkAttribute2)netAttribute, netSourceNames);
bool supportTurns = deNet.SupportsTurns;
//default evaluators
SubsetHelper.SetDefaultEvaluator(netAttribute, 0, esriNetworkElementType.esriNETEdge);
SubsetHelper.SetDefaultEvaluator(netAttribute, 0, esriNetworkElementType.esriNETJunction);
if (supportTurns)
SubsetHelper.SetDefaultEvaluator(netAttribute, 0, esriNetworkElementType.esriNETTurn);
//sourced evaluators
foreach (INetworkSource netSource in netSources)
SubsetHelper.SetEvaluators(netAttribute, netSource, typeof(ScaleSubsetEvaluator));
netAttributes.Add(netAttribute);
deNet.Attributes = netAttributes;
return netAttribute;
}
public static IEvaluatedNetworkAttribute AddScaleSubsetAttribute(IDENetworkDataset deNet, INetworkAttribute2 baseNetAttribute)
{
if (baseNetAttribute == null)
{
return(null);
}
if (baseNetAttribute.UsageType != esriNetworkAttributeUsageType.esriNAUTCost)
{
return(null);
}
IArray netAttributes = deNet.Attributes;
IEvaluatedNetworkAttribute netAttribute = new EvaluatedNetworkAttributeClass() as IEvaluatedNetworkAttribute;
string netAttributeName = BaseParameterName;
netAttributeName += "_";
netAttributeName += baseNetAttribute.Name;
netAttribute.Name = netAttributeName;
netAttribute.UsageType = baseNetAttribute.UsageType;
netAttribute.DataType = baseNetAttribute.DataType;
netAttribute.Units = baseNetAttribute.Units;
List <INetworkSource> allNetSources = SubsetHelper.GetSourceList(deNet.Sources);
List <INetworkSource> netSources = SubsetHelper.GetSourceList(allNetSources, esriNetworkElementType.esriNETEdge);
List <string> netSourceNames = SubsetHelper.GetSourceNames(netSources);
ResetScaleSubsetParameters((INetworkAttribute2)netAttribute, netSourceNames);
bool supportTurns = deNet.SupportsTurns;
//default evaluators
SubsetHelper.SetDefaultEvaluator(netAttribute, 0, esriNetworkElementType.esriNETEdge);
SubsetHelper.SetDefaultEvaluator(netAttribute, 0, esriNetworkElementType.esriNETJunction);
if (supportTurns)
{
SubsetHelper.SetDefaultEvaluator(netAttribute, 0, esriNetworkElementType.esriNETTurn);
}
//sourced evaluators
foreach (INetworkSource netSource in netSources)
{
SubsetHelper.SetEvaluators(netAttribute, netSource, typeof(ScaleSubsetEvaluator));
}
netAttributes.Add(netAttribute);
deNet.Attributes = netAttributes;
return(netAttribute);
}
public static void UpdateEIDArrayParameterValuesFromEIDLists(INetworkAnalystExtension nax, Dictionary <string, List <int> > eidsBySourceName, string baseName)
{
if (nax == null)
{
return;
}
bool naxEnabled = false;
IExtensionConfig naxConfig = nax as IExtensionConfig;
naxEnabled = naxConfig.State == esriExtensionState.esriESEnabled;
if (!naxEnabled)
{
return;
}
INAWindow naWindow = nax.NAWindow;
INALayer naLayer = null;
INAContext naContext = null;
INetworkDataset nds = null;
naLayer = naWindow.ActiveAnalysis;
if (naLayer != null)
{
naContext = naLayer.Context;
}
if (naContext != null)
{
nds = naContext.NetworkDataset;
}
if (nds == null)
{
return;
}
IDatasetComponent dsComponent = nds as IDatasetComponent;
IDENetworkDataset deNet = dsComponent.DataElement as IDENetworkDataset;
INASolver naSolver = naContext.Solver;
INASolverSettings2 naSolverSettings2 = naSolver as INASolverSettings2;
if (naSolverSettings2 == null)
{
return;
}
string prefix = GetEIDArrayPrefixFromBaseName(baseName);
VarType vt = GetEIDArrayParameterType();
int cAttributes = nds.AttributeCount;
for (int a = 0; a < cAttributes; ++a)
{
INetworkAttribute2 netAttribute = nds.get_Attribute(a) as INetworkAttribute2;
IArray netParams = netAttribute.Parameters;
int cParams = netParams.Count;
object paramValue;
for (int p = 0; p < cParams; ++p)
{
INetworkAttributeParameter param = netParams.get_Element(p) as INetworkAttributeParameter;
if (param.VarType != (int)vt)
{
continue;
}
string paramName = param.Name;
string sourceName = GetSourceNameFromParameterName(prefix, paramName);
if (sourceName.Length == 0)
{
continue;
}
List <int> eids = null;
if (eidsBySourceName.TryGetValue(sourceName, out eids))
{
if (eids != null)
{
if (eids.Count == 0)
{
eids = null;
}
}
}
paramValue = (eids != null) ? eids.ToArray() : null;
naSolverSettings2.set_AttributeParameterValue(netAttribute.Name, param.Name, paramValue);
}
}
}
