private void btnOK_Click(object sender, EventArgs e)
{
this.Cursor = Cursors.WaitCursor;
// IServerContext serverContext = null;
try
{
INASolverSettings2 pNaSolverSetting = pMainFrm.m_NAContext.Solver as INASolverSettings2;
SetINASolverSettings(pNaSolverSetting);
SetSolverSpecificInterface();
pMainFrm.m_NAContext.Solver.UpdateContext(pMainFrm.m_NAContext, Utility.GetDENetworkDataset(pMainFrm.m_pNetDataset), new GPMessagesClass());
ToolBarButton toolbarbutton1 = pMainFrm.returnToolbarButton();
toolbarbutton1.Enabled = true;
this.Dispose();
}
catch (Exception exception)
{
MessageBox.Show(exception.Message, "An error has occurred");
}
finally
{
// Release the ServerContext
// if (serverContext != null)
// serverContext.ReleaseContext();
}
this.Cursor = Cursors.Default;
}
/// <summary>
/// Set general solver settings (Impedance, Restrictions, Accumulates, etc.)
/// </summary>
private void SetINASolverSettings(INASolverSettings2 solverSettings)
{
//1.设置Impedance
solverSettings.ImpedanceAttributeName = ExtractImpedanceName(cboImpedance.Text);
//2.设置限制属性
IStringArray restrictionAttributes = solverSettings.RestrictionAttributeNames;
restrictionAttributes.RemoveAll();
for (int i = 0; i < chklstRestrictions.CheckedItems.Count; i++)
{
restrictionAttributes.Add(chklstRestrictions.Items[chklstRestrictions.CheckedIndices[i]].ToString());
}
solverSettings.RestrictionAttributeNames = restrictionAttributes;
//3.设置累计属性
IStringArray accumulateAttributes = solverSettings.AccumulateAttributeNames;
accumulateAttributes.RemoveAll();
for (int i = 0; i < chklstAccumulateAttributes.CheckedItems.Count; i++)
{
accumulateAttributes.Add(chklstAccumulateAttributes.Items[chklstAccumulateAttributes.CheckedIndices[i]].ToString());
}
solverSettings.AccumulateAttributeNames = accumulateAttributes;
//4.设置允许拐点策略
solverSettings.RestrictUTurns = (esriNetworkForwardStarBacktrack)cboUturnPolicy.SelectedIndex;
//5.设置忽略无效位置
solverSettings.IgnoreInvalidLocations = chkIgnoreInvalidLocations.Checked;
//6.设置使用高级属性
solverSettings.UseHierarchy = chkUseHierarchy.Checked;
}
private void Initialize()
{
int ImpedanceIndex = 0;
//Get Attributes
cboImpedance.Items.Clear();
chklstAccumulateAttributes.Items.Clear();
chklstRestrictions.Items.Clear();
cboUturnPolicy.SelectedIndex = -1;
//声明网络分析参数设置并赋予数值
INASolverSettings2 pNaSolverSetting = pMainFrm.m_NAContext.Solver as INASolverSettings2;
//获得网络分析累积属性名
IStringArray accumulateAttributeNames = pNaSolverSetting.AccumulateAttributeNames;
//获得网络分析限制属性名
IStringArray restrictionAttributeNames = pNaSolverSetting.RestrictionAttributeNames;
//获得网络分析属性
INetworkAttribute pNetworkAttribute;
for (int i = 0; i < pMainFrm.m_pNetDataset.AttributeCount; i++)
{
pNetworkAttribute = pMainFrm.m_pNetDataset.get_Attribute(i);
string networkAttributeName = pNetworkAttribute.Name;
//如果网络分析属性等于消耗
if (pNetworkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
chklstAccumulateAttributes.Items.Add(networkAttributeName, IsStringInStringArray(networkAttributeName, accumulateAttributeNames));
int index = cboImpedance.Items.Add(pNetworkAttribute.Name + " (" + pNetworkAttribute.Units.ToString().Substring(7) + ")");
if (networkAttributeName == pNaSolverSetting.ImpedanceAttributeName)
{
ImpedanceIndex = index;
}
}
//如果网络分析属性等于限制
if (pNetworkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTRestriction)
{
chklstRestrictions.Items.Add(pNetworkAttribute.Name, IsStringInStringArray(networkAttributeName, restrictionAttributeNames));
}
}
if (cboImpedance.Items.Count > 0)
{
cboImpedance.SelectedIndex = ImpedanceIndex;
}
//是否使用高级
chkUseHierarchy.Checked = pNaSolverSetting.UseHierarchy;
//是否使用高级
chkUseHierarchy.Enabled = pNaSolverSetting.HierarchyAttributeName.Length > 0;
//是否忽略无效的位置
chkIgnoreInvalidLocations.Checked = pNaSolverSetting.IgnoreInvalidLocations;
//是否允许拐点
cboUturnPolicy.SelectedIndex = System.Convert.ToInt32(pNaSolverSetting.RestrictUTurns);
}
/// <summary>
/// 设置解决器 暂时没有使用到
/// 有问题待修正
/// </summary>
/// <param name="pNAContext"></param>
private static void SetSolverSettings(INAContext pNAContext)
{
if (pNAContext.Solver.CanAccumulateAttributes)
{
INASolver naSolver = pNAContext.Solver;
INARouteSolver naRouteSolver = naSolver as INARouteSolver;
naRouteSolver.FindBestSequence = true;
naRouteSolver.PreserveFirstStop = true;
naRouteSolver.PreserveLastStop = false;
naRouteSolver.UseTimeWindows = false;
naRouteSolver.OutputLines = esriNAOutputLineType.esriNAOutputLineTrueShapeWithMeasure;
INASolverSettings2 naSolverSettings = naSolver as INASolverSettings2;
IStringArray restrictions = naSolverSettings.RestrictionAttributeNames;
restrictions.Add("Oneway");
naSolverSettings.RestrictionAttributeNames = restrictions;
//基于上述设置更新Solver
naSolver.UpdateContext(pNAContext, GetDENetworkDataset(pNAContext.NetworkDataset), new GPMessagesClass());
}
}
/// <summary>
/// Set general solver settings (Impedance, Restrictions, Accumulates, etc.)
/// </summary>
private void SetINASolverSettings(INASolverSettings2 solverSettings)
{
//1.����Impedance
solverSettings.ImpedanceAttributeName = ExtractImpedanceName(cboImpedance.Text);
//2.������������
IStringArray restrictionAttributes = solverSettings.RestrictionAttributeNames;
restrictionAttributes.RemoveAll();
for (int i = 0; i < chklstRestrictions.CheckedItems.Count; i++)
restrictionAttributes.Add(chklstRestrictions.Items[chklstRestrictions.CheckedIndices[i]].ToString());
solverSettings.RestrictionAttributeNames = restrictionAttributes;
//3.�����ۼ�����
IStringArray accumulateAttributes = solverSettings.AccumulateAttributeNames;
accumulateAttributes.RemoveAll();
for (int i = 0; i < chklstAccumulateAttributes.CheckedItems.Count; i++)
accumulateAttributes.Add(chklstAccumulateAttributes.Items[chklstAccumulateAttributes.CheckedIndices[i]].ToString());
solverSettings.AccumulateAttributeNames = accumulateAttributes;
//4.��������յ����
solverSettings.RestrictUTurns = (esriNetworkForwardStarBacktrack)cboUturnPolicy.SelectedIndex;
//5.���ú�����Чλ��
solverSettings.IgnoreInvalidLocations = chkIgnoreInvalidLocations.Checked;
//6.����ʹ�ø�����
solverSettings.UseHierarchy = chkUseHierarchy.Checked;
}
public static void PushParameterValuesToNetwork(INetworkAnalystExtension nax)
{
try
{
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;
}
INetworkAttribute2 netAttribute;
string attributeName;
IArray netParameters;
INetworkAttributeParameter netParameter;
string paramName;
int cParameters;
object paramValue;
int cAttributes = nds.AttributeCount;
for (int a = 0; a < cAttributes; ++a)
{
netAttribute = nds.get_Attribute(a) as INetworkAttribute2;
attributeName = netAttribute.Name;
netParameters = netAttribute.Parameters;
cParameters = netParameters.Count;
for (int p = 0; p < cParameters; ++p)
{
netParameter = netParameters.get_Element(p) as INetworkAttributeParameter;
paramName = netParameter.Name;
paramValue = naSolverSettings2.get_AttributeParameterValue(attributeName, paramName);
netParameter.Value = paramValue;
}
netAttribute.Refresh();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Push Parameter Values To Network");
}
}
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);
}
}
}
