private void Initialize()
{
this.CheckOutNetworkAnalystExtension();
IFeatureWorkspace workspace =
this.OpenWorkspace(Application.StartupPath + @"\..\..\..\..\Data\NetworkAnalyst") as IFeatureWorkspace;
INetworkDataset pNetDataset = this.OpenNetworkDataset(workspace as IWorkspace, "Streets_nd");
this.m_pNAContext = this.CreateSolverContext(pNetDataset);
for (int i = 0; i < (pNetDataset.AttributeCount - 1); i++)
{
INetworkAttribute attribute = pNetDataset.get_Attribute(i);
if (attribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
this.cboCostAttribute.Items.Add(attribute.Name);
this.cboCostAttribute.SelectedIndex = 0;
}
}
this.txtTargetFacility.Text = "1";
this.txtCutOff.Text = "";
IFeatureClass pInputFC = workspace.OpenFeatureClass("BayAreaIncident");
this.LoadNANetworkLocations("Incidents", pInputFC, 100.0);
pInputFC = workspace.OpenFeatureClass("BayAreaLocations");
this.LoadNANetworkLocations("Facilities", pInputFC, 100.0);
INetworkLayer layer2 = new NetworkLayerClass
{
NetworkDataset = pNetDataset
};
ILayer layer = layer2 as ILayer;
layer.Name = "Network Dataset";
layer = this.m_pNAContext.Solver.CreateLayer(this.m_pNAContext) as ILayer;
layer.Name = this.m_pNAContext.Solver.DisplayName;
}
public static void GetPermittedAttributes(INALayer layer, out string[] impedences, out string[] restrictions,
out string[] hierarchies)
{
ArrayList list = new ArrayList();
ArrayList list2 = new ArrayList();
ArrayList list3 = new ArrayList();
INetworkDataset networkDataset = layer.Context.NetworkDataset;
for (int i = 0; i < networkDataset.AttributeCount; i++)
{
INetworkAttribute attribute = networkDataset.get_Attribute(i);
if (attribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
list.Add(attribute.Name);
}
else if (attribute.UsageType == esriNetworkAttributeUsageType.esriNAUTRestriction)
{
list2.Add(attribute.Name);
}
else if (attribute.UsageType == esriNetworkAttributeUsageType.esriNAUTHierarchy)
{
list3.Add(attribute.Name);
}
}
impedences = (string[])list.ToArray(typeof(string));
restrictions = (string[])list2.ToArray(typeof(string));
hierarchies = (string[])list3.ToArray(typeof(string));
}
/// <summary>
/// Update the CheckedListBox control based on the network dataset attributes (checking the ones currently chosen by the solver)
/// </summary>
private void PopulateAttributeControl(CheckedListBox chklstBox, INetworkDataset networkDataset, IStringArray strArray, esriNetworkAttributeUsageType usageType)
{
chklstBox.Items.Clear();
// Loop through the network dataset attributes
for (int i = 0; i < networkDataset.AttributeCount; i++)
{
INetworkAttribute networkAttribute = networkDataset.get_Attribute(i);
if (networkAttribute.UsageType == usageType)
{
string attributeName = networkAttribute.Name;
CheckState checkState = CheckState.Unchecked;
// If the attribute is in the strArray, it should be checked
for (int j = 0; j < strArray.Count; j++)
{
if (strArray.get_Element(j) == attributeName)
{
checkState = CheckState.Checked;
}
}
// Add the attribute to the control
chklstBox.Items.Add(attributeName, checkState);
}
}
}
/// <summary>
/// Initialize the solver by calling the ArcGIS Network Analyst extension functions.
/// </summary>
private void Initialize()
{
IFeatureWorkspace featureWorkspace = null;
INetworkDataset networkDataset = null;
try
{
// Open the Network Dataset
IWorkspace workspace = OpenWorkspace(System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), @"ArcGIS\data\SanFrancisco\SanFrancisco.gdb"));
networkDataset = OpenNetworkDataset(workspace, "Transportation", "Streets_ND");
featureWorkspace = workspace as IFeatureWorkspace;
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show("Unable to open dataset. Error Message: " + ex.Message);
this.Close();
return;
}
// Create NAContext and NASolver
m_NAContext = CreateSolverContext(networkDataset);
// Get available cost attributes from the network dataset
INetworkAttribute networkAttribute;
for (int i = 0; i < networkDataset.AttributeCount - 1; i++)
{
networkAttribute = networkDataset.get_Attribute(i);
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
comboCostAttribute.Items.Add(networkAttribute.Name);
}
}
comboCostAttribute.SelectedIndex = 0;
textTargetFacility.Text = "";
textCutoff.Text = "";
// Load locations from feature class
IFeatureClass inputFClass = featureWorkspace.OpenFeatureClass("Stores");
LoadNANetworkLocations("Origins", inputFClass, 100);
inputFClass = featureWorkspace.OpenFeatureClass("Hospitals");
LoadNANetworkLocations("Destinations", inputFClass, 5100);
// Create layer for network dataset and add to ArcMap
INetworkLayer networkLayer = new NetworkLayerClass();
networkLayer.NetworkDataset = networkDataset;
var layer = networkLayer as ILayer;
layer.Name = "Network Dataset";
axMapControl.AddLayer(layer, 0);
// Create a network analysis layer and add to ArcMap
INALayer naLayer = m_NAContext.Solver.CreateLayer(m_NAContext);
layer = naLayer as ILayer;
layer.Name = m_NAContext.Solver.DisplayName;
axMapControl.AddLayer(layer, 0);
}
/// <summary>
/// Update the Impedance control based on the network dataset cost attributes
/// </summary>
private void PopulateImpedanceNameControl(ComboBox cboImpedance, INetworkDataset networkDataset, string impedanceName)
{
cboImpedance.Items.Clear();
for (int i = 0; i < networkDataset.AttributeCount; i++)
{
INetworkAttribute networkAttribute = networkDataset.get_Attribute(i);
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
cboImpedance.Items.Add(networkAttribute.Name);
}
}
if (cboImpedance.Items.Count > 0)
{
cboImpedance.Text = impedanceName;
}
}
public static bool ParameterExists(INetworkDataset nds, string searchName, VarType vt)
{
bool found = false;
INetworkAttribute2 netAttribute;
IArray netParams;
INetworkAttributeParameter netParam;
int cAttributes = nds.AttributeCount;
for (int a = 0; a < cAttributes; ++a)
{
netAttribute = nds.get_Attribute(a) as INetworkAttribute2;
netParams = null;
int cParams = 0;
if (netAttribute != null)
{
netParams = netAttribute.Parameters;
}
if (netParams != null)
{
cParams = netParams.Count;
}
string compareName;
for (int p = 0; p < cParams; ++p)
{
netParam = netParams.get_Element(p) as INetworkAttributeParameter;
compareName = netParam.Name;
if (String.Compare(searchName, compareName, true) == 0)
{
found = true;
break;
}
}
if (found)
{
break;
}
}
return(found);
}
/// <summary>
/// Find and load the cost attributes into a combo box
/// <summary>
private void LoadCostAttributes(INetworkDataset networkDataset)
{
cbCostAttribute.Items.Clear();
int attrCount = networkDataset.AttributeCount;
for (int attrIndex = 0; attrIndex < attrCount; attrIndex++)
{
INetworkAttribute networkAttribute = networkDataset.get_Attribute(attrIndex);
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
cbCostAttribute.Items.Add(networkAttribute.Name);
}
}
if (cbCostAttribute.Items.Count > 0)
{
cbCostAttribute.SelectedIndex = 0;
}
}
/// <summary>
/// Initialize the solver by calling the ArcGIS Network Analyst extension functions.
/// </summary>
public void Initialize(string workspacePath, string dsName)
{
this.Attribute = "minutes";
IFeatureWorkspace featureWorkspace = null;
try
{
// Open Geodatabase and network dataset
IWorkspace workspace = null;// OpenGDBWorkspace(Application.StartupPath + @"\..\..\..\..\..\Data\SanFrancisco\SanFrancisco.gdb");
//networkDataset = OpenNetworkDataset(workspace, "Transportation", "Streets_ND");
workspace = WorkspaceUtil.OpenShapeWorkspace(workspacePath) as IWorkspace;
_networkDataset = ShapefileToNetwork(workspace, dsName);
featureWorkspace = workspace as IFeatureWorkspace;
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show("Unable to open dataset. Error Message: " + ex.Message);
return;
}
// Create NAContext and NASolver
CreateSolverContext(_networkDataset);
// Get available cost attributes from the network dataset
INetworkAttribute networkAttribute;
for (int i = 0; i < _networkDataset.AttributeCount; i++)
{
networkAttribute = _networkDataset.get_Attribute(i);
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
}
}
/*
*
* // Load incidents from a feature class
* featureWorkspace = OpenShapeWorkspace(@"F:\17\private\Disaster\震后基本应急物资与设备供应计算程序") as IFeatureWorkspace;
* //IFeatureClass inputFClass = featureWorkspace.OpenFeatureClass("Stores");
* IFeatureClass inputFClass = featureWorkspace.OpenFeatureClass("灾区位置分布点");
*
* LoadNANetworkLocations("Incidents", inputFClass, 500);
*
* // Load facilities from a feature class
* //inputFClass = featureWorkspace.OpenFeatureClass("FireStations");
* inputFClass = featureWorkspace.OpenFeatureClass("物资贮备分布点");
* LoadNANetworkLocations("Facilities", inputFClass, 500);
*
*
* //Create Layer for Network Dataset and add to ArcMap
* INetworkLayer networkLayer = new NetworkLayerClass();
* networkLayer.NetworkDataset = _networkDataset;
* var layer = networkLayer as ILayer;
* layer.Name = "Network Dataset";
* // axMapControl.AddLayer(layer, 0);
*
* //Create a Network Analysis Layer and add to ArcMap
* INALayer naLayer = m_NAContext.Solver.CreateLayer(m_NAContext);
* layer = naLayer as ILayer;
* layer.Name = m_NAContext.Solver.DisplayName;
* //axMapControl.AddLayer(layer, 0);
*/
}
/// <summary>
/// Find and load the cost attributes into a combo box
/// <summary>
private void LoadCostAttributes(INetworkDataset networkDataset)
{
cbCostAttribute.Items.Clear();
int attrCount = networkDataset.AttributeCount;
for (int attrIndex = 0; attrIndex < attrCount; attrIndex++)
{
INetworkAttribute networkAttribute = networkDataset.get_Attribute(attrIndex);
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
cbCostAttribute.Items.Add(networkAttribute.Name);
}
if (cbCostAttribute.Items.Count > 0)
cbCostAttribute.SelectedIndex = 0;
}
//*********************************************************************************
// Initialize the form, create a NA context, load some locations and draw the map
//*********************************************************************************
private void Initialize()
{
// Open Geodatabase and network dataset
IFeatureWorkspace featureWorkspace = OpenWorkspace(System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), @"ArcGIS\data\SanFrancisco\SanFrancisco.gdb")) as IFeatureWorkspace;
INetworkDataset networkDataset = OpenNetworkDataset(featureWorkspace as IWorkspace, "Transportation", "Streets_ND");
// Create NAContext and NASolver
m_NAContext = CreateSolverContext(networkDataset);
// Get Cost Attributes and populate the combo drop down box
INetworkAttribute networkAttribute;
for (int i = 0; i < networkDataset.AttributeCount - 1; i++)
{
networkAttribute = networkDataset.get_Attribute(i);
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
cboCostAttribute.Items.Add(networkAttribute.Name);
cboCostAttribute.SelectedIndex = 0;
}
}
// Set the default number of facilities to solve for
txtFacilitiesToLocate.Text = "1";
// Set up the no cutoff for the Minimize Impedance case.
// See the cboProblemType_SelectedIndexChanged routine for how this is managed for other problem types
txtCutOff.Text = "<None>";
// Populate combo box with Location-Allocation problem types
cboProblemType.Items.Add("Minimize Impedance");
cboProblemType.Items.Add("Maximize Coverage");
cboProblemType.Items.Add("Maximize Capacitated Coverage");
cboProblemType.Items.Add("Minimize Facilities");
cboProblemType.Items.Add("Maximize Attendance");
cboProblemType.Items.Add("Maximize Market Share");
cboProblemType.Items.Add("Target Market Share");
cboProblemType.Text = "Minimize Impedance";
m_ProblemType = "Minimize Impedance";
// Populate combo box with Impedance Transformation choices
cboImpTransformation.Items.Add("Linear");
cboImpTransformation.Items.Add("Power");
cboImpTransformation.Items.Add("Exponential");
cboImpTransformation.Text = "Linear";
// Set the default impedance transformation parameter
txtImpParameter.Text = "1.0";
// Set up the default percentage for the Target Market Share problem type
txtTargetMarketShare.Text = "10.0";
// Set up the default capacity
txtDefaultCapacity.Text = "1.0";
// Load facility locations from feature class
IFeatureClass inputFClass = featureWorkspace.OpenFeatureClass("CandidateStores");
LoadNANetworkLocations("Facilities", inputFClass, 500);
// Load demand point locations from feature class
inputFClass = featureWorkspace.OpenFeatureClass("TractCentroids");
LoadNANetworkLocations("DemandPoints", inputFClass, 500);
// Create Layer for Network Dataset and add to Ax Map Control
ILayer layer;
INetworkLayer networkLayer;
networkLayer = new NetworkLayerClass();
networkLayer.NetworkDataset = networkDataset;
layer = networkLayer as ILayer;
layer.Name = "Network Dataset";
axMapControl.AddLayer(layer, 0);
// Create a Network Analysis Layer and add to Ax Map Control
INALayer naLayer = m_NAContext.Solver.CreateLayer(m_NAContext);
layer = naLayer as ILayer;
layer.Name = m_NAContext.Solver.DisplayName;
axMapControl.AddLayer(layer, 0);
}
/// <summary>
/// Initialize the solver by calling the ArcGIS Network Analyst extension functions.
/// </summary>
private void Initialize()
{
IFeatureWorkspace featureWorkspace = null;
INetworkDataset networkDataset = null;
try
{
// Open Geodatabase and network dataset
IWorkspace workspace = OpenWorkspace(System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), @"ArcGIS\data\SanFrancisco\SanFrancisco.gdb"));
networkDataset = OpenNetworkDataset(workspace, "Transportation", "Streets_ND");
featureWorkspace = workspace as IFeatureWorkspace;
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show("Unable to open dataset. Error Message: " + ex.Message);
this.Close();
return;
}
// Create NAContext and NASolver
m_NAContext = CreateSolverContext(networkDataset);
// Get available cost attributes from the network dataset
INetworkAttribute networkAttribute;
for (int i = 0; i < networkDataset.AttributeCount; i++)
{
networkAttribute = networkDataset.get_Attribute(i);
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
string unitType = GetAttributeUnitType(networkAttribute.Units);
if (unitType == "Time")
{
comboTimeAttribute.Items.Add(networkAttribute.Name);
}
else if (unitType == "Distance")
{
comboDistanceAttribute.Items.Add(networkAttribute.Name);
}
}
}
comboTimeAttribute.SelectedIndex = 0;
comboDistanceAttribute.SelectedIndex = 0;
// Populate time field unit in comboBox
m_unitTimeList = new System.Collections.Hashtable();
m_unitTimeList.Add("Seconds", esriNetworkAttributeUnits.esriNAUSeconds);
m_unitTimeList.Add("Minutes", esriNetworkAttributeUnits.esriNAUMinutes);
foreach (System.Collections.DictionaryEntry timeUnit in m_unitTimeList)
{
comboTimeUnits.Items.Add(timeUnit.Key.ToString());
}
comboTimeUnits.SelectedIndex = 1;
// Populate distance field unit in comboBox
m_unitDistList = new System.Collections.Hashtable();
m_unitDistList.Add("Miles", esriNetworkAttributeUnits.esriNAUMiles);
m_unitDistList.Add("Meters", esriNetworkAttributeUnits.esriNAUMeters);
foreach (System.Collections.DictionaryEntry distUnit in m_unitDistList)
{
comboDistUnits.Items.Add(distUnit.Key.ToString());
}
comboDistUnits.SelectedIndex = 0;
// Populate time window importance attribute in comboBox
comboTWImportance.Items.Add("High");
comboTWImportance.Items.Add("Medium");
comboTWImportance.Items.Add("Low");
comboTWImportance.SelectedIndex = 0;
// Load locations
IFeatureClass inputFClass = featureWorkspace.OpenFeatureClass("Stores");
LoadNANetworkLocations("Orders", inputFClass as ITable);
inputFClass = featureWorkspace.OpenFeatureClass("DistributionCenter");
LoadNANetworkLocations("Depots", inputFClass as ITable);
inputFClass = featureWorkspace.OpenFeatureClass("Routes");
LoadNANetworkLocations("Routes", inputFClass as ITable);
ITable inputTable = featureWorkspace.OpenTable("Breaks");
LoadNANetworkLocations("Breaks", inputTable);
// Create layer for network dataset and add to ArcMap
INetworkLayer networkLayer = new NetworkLayerClass();
networkLayer.NetworkDataset = networkDataset;
ILayer layer = networkLayer as ILayer;
layer.Name = "Network Dataset";
axMapControl.AddLayer(layer, 0);
// Create a network analysis layer and add to ArcMap
INALayer naLayer = m_NAContext.Solver.CreateLayer(m_NAContext);
layer = naLayer as ILayer;
layer.Name = m_NAContext.Solver.DisplayName;
axMapControl.AddLayer(layer, 0);
}
public static bool ParameterExists(INetworkDataset nds, string searchName, VarType vt)
{
bool found = false;
INetworkAttribute2 netAttribute;
IArray netParams;
INetworkAttributeParameter netParam;
int cAttributes = nds.AttributeCount;
for (int a = 0; a < cAttributes; ++a)
{
netAttribute = nds.get_Attribute(a) as INetworkAttribute2;
netParams = null;
int cParams = 0;
if (netAttribute != null)
netParams = netAttribute.Parameters;
if (netParams != null)
cParams = netParams.Count;
string compareName;
for (int p = 0; p < cParams; ++p)
{
netParam = netParams.get_Element(p) as INetworkAttributeParameter;
compareName = netParam.Name;
if (String.Compare(searchName, compareName, true) == 0)
{
found = true;
break;
}
}
if (found)
break;
}
return found;
}
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);
}
}
}
/// <summary>
/// Initialize the solver by calling the ArcGIS Network Analyst extension functions.
/// </summary>
private void Initialize()
{
IFeatureWorkspace featureWorkspace = null;
INetworkDataset networkDataset = null;
try
{
// Open Geodatabase and network dataset
IWorkspace workspace = OpenWorkspace(Application.StartupPath + @"\..\..\..\..\..\Data\SanFrancisco\SanFrancisco.gdb");
networkDataset = OpenNetworkDataset(workspace, "Transportation", "Streets_ND");
featureWorkspace = workspace as IFeatureWorkspace;
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show("Unable to open dataset. Error Message: " + ex.Message);
this.Close();
return;
}
// Create NAContext and NASolver
CreateSolverContext(networkDataset);
// Get available cost attributes from the network dataset
INetworkAttribute networkAttribute;
for (int i = 0; i < networkDataset.AttributeCount - 1; i++)
{
networkAttribute = networkDataset.get_Attribute(i);
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
cboCostAttribute.Items.Add(networkAttribute.Name);
}
}
cboCostAttribute.SelectedIndex = 0;
txtTargetFacility.Text = "1";
txtCutOff.Text = "";
// Load incidents from a feature class
IFeatureClass inputFClass = featureWorkspace.OpenFeatureClass("Stores");
LoadNANetworkLocations("Incidents", inputFClass, 500);
// Load facilities from a feature class
inputFClass = featureWorkspace.OpenFeatureClass("FireStations");
LoadNANetworkLocations("Facilities", inputFClass, 500);
//Create Layer for Network Dataset and add to ArcMap
INetworkLayer networkLayer = new NetworkLayerClass();
networkLayer.NetworkDataset = networkDataset;
var layer = networkLayer as ILayer;
layer.Name = "Network Dataset";
axMapControl.AddLayer(layer, 0);
//Create a Network Analysis Layer and add to ArcMap
INALayer naLayer = m_NAContext.Solver.CreateLayer(m_NAContext);
layer = naLayer as ILayer;
layer.Name = m_NAContext.Solver.DisplayName;
axMapControl.AddLayer(layer, 0);
}
/// <summary>
/// Set controls based on the current NALayer settings
/// This function takes the current NALayer and determines what type of solver it's pointing to
/// and populates the corresponding controls and hides the tabs for the other solvers.
/// </summary>
private void PopulateControls(INALayer naLayer)
{
ILayer layer = naLayer as ILayer;
INAContext naContext = naLayer.Context;
INetworkDataset networkDataset = naContext.NetworkDataset;
INALocator2 naLocator = naContext.Locator as INALocator2;
INASolver naSolver = naContext.Solver;
INASolverSettings naSolverSettings = naSolver as INASolverSettings2;
INARouteSolver2 routeSolver = naSolver as INARouteSolver2;
INAClosestFacilitySolver cfSolver = naSolver as INAClosestFacilitySolver;
INAODCostMatrixSolver odSolver = naSolver as INAODCostMatrixSolver;
INAServiceAreaSolver2 saSolver = naSolver as INAServiceAreaSolver2;
INAVRPSolver vrpSolver = naSolver as INAVRPSolver;
INALocationAllocationSolver laSolver = naSolver as INALocationAllocationSolver;
// Populate general Layer controls
txtLayerName.Text = layer.Name;
txtMaxSearchTolerance.Text = naLocator.MaxSnapTolerance.ToString();
cboMaxSearchToleranceUnits.SelectedIndex = Convert.ToInt32(naLocator.SnapToleranceUnits);
// Populate controls for the particular solver
if (routeSolver != null) // ROUTE LAYER
{
// Remove unnecessary tabs
tabPropPages.TabPages.Remove(tabClosestFacility);
tabPropPages.TabPages.Remove(tabODCostMatrix);
tabPropPages.TabPages.Remove(tabServiceArea);
tabPropPages.TabPages.Remove(tabVRP);
tabPropPages.TabPages.Remove(tabLocationAllocation);
// INARouteSolver2
chkRouteFindBestSequence.Checked = routeSolver.FindBestSequence;
chkRoutePreserveFirstStop.Checked = routeSolver.PreserveFirstStop;
chkRoutePreserveLastStop.Checked = routeSolver.PreserveLastStop;
chkRouteUseTimeWindows.Checked = routeSolver.UseTimeWindows;
chkRouteUseStartTime.Checked = routeSolver.UseStartTime;
txtRouteStartTime.Text = routeSolver.StartTime.ToShortTimeString();
cboRouteOutputLines.SelectedIndex = System.Convert.ToInt32(routeSolver.OutputLines);
// INASolverSettings
PopulateImpedanceNameControl(cboRouteImpedance, networkDataset, naSolverSettings.ImpedanceAttributeName);
chkRouteUseHierarchy.Enabled = (naSolverSettings.HierarchyAttributeName.Length > 0);
chkRouteUseHierarchy.Checked = (chkRouteUseHierarchy.Enabled && naSolverSettings.UseHierarchy);
chkRouteIgnoreInvalidLocations.Checked = naSolverSettings.IgnoreInvalidLocations;
cboRouteRestrictUTurns.SelectedIndex = System.Convert.ToInt32(naSolverSettings.RestrictUTurns);
PopulateAttributeControl(chklstRouteAccumulateAttributeNames, networkDataset, naSolverSettings.AccumulateAttributeNames, esriNetworkAttributeUsageType.esriNAUTCost);
PopulateAttributeControl(chklstRouteRestrictionAttributeNames, networkDataset, naSolverSettings.RestrictionAttributeNames, esriNetworkAttributeUsageType.esriNAUTRestriction);
}
else if (cfSolver != null) // CLOSEST FACILITY LAYER
{
// Remove unnecessary tabs
tabPropPages.TabPages.Remove(tabRoute);
tabPropPages.TabPages.Remove(tabODCostMatrix);
tabPropPages.TabPages.Remove(tabServiceArea);
tabPropPages.TabPages.Remove(tabVRP);
tabPropPages.TabPages.Remove(tabLocationAllocation);
// INAClosestFacilitySolver
txtCFDefaultCutoff.Text = GetStringFromObject(cfSolver.DefaultCutoff);
txtCFDefaultTargetFacilityCount.Text = cfSolver.DefaultTargetFacilityCount.ToString();
cboCFTravelDirection.SelectedIndex = Convert.ToInt32(cfSolver.TravelDirection);
cboCFOutputLines.SelectedIndex = Convert.ToInt32(cfSolver.OutputLines);
// INASolverSettings
PopulateImpedanceNameControl(cboCFImpedance, networkDataset, naSolverSettings.ImpedanceAttributeName);
chkCFUseHierarchy.Enabled = (naSolverSettings.HierarchyAttributeName.Length > 0);
chkCFUseHierarchy.Checked = (chkCFUseHierarchy.Enabled && naSolverSettings.UseHierarchy);
chkCFIgnoreInvalidLocations.Checked = naSolverSettings.IgnoreInvalidLocations;
cboCFRestrictUTurns.SelectedIndex = System.Convert.ToInt32(naSolverSettings.RestrictUTurns);
PopulateAttributeControl(chklstCFAccumulateAttributeNames, networkDataset, naSolverSettings.AccumulateAttributeNames, esriNetworkAttributeUsageType.esriNAUTCost);
PopulateAttributeControl(chklstCFRestrictionAttributeNames, networkDataset, naSolverSettings.RestrictionAttributeNames, esriNetworkAttributeUsageType.esriNAUTRestriction);
}
else if (odSolver != null) // OD COST MATRIX LAYER
{
// Remove unnecessary tabs
tabPropPages.TabPages.Remove(tabRoute);
tabPropPages.TabPages.Remove(tabClosestFacility);
tabPropPages.TabPages.Remove(tabServiceArea);
tabPropPages.TabPages.Remove(tabVRP);
// INAODCostMatrixSolver
txtODDefaultCutoff.Text = GetStringFromObject(odSolver.DefaultCutoff);
txtODDefaultTargetDestinationCount.Text = GetStringFromObject(odSolver.DefaultTargetDestinationCount);
cboODOutputLines.SelectedIndex = Convert.ToInt32(odSolver.OutputLines);
// INASolverSettings
PopulateImpedanceNameControl(cboODImpedance, networkDataset, naSolverSettings.ImpedanceAttributeName);
chkODUseHierarchy.Enabled = (naSolverSettings.HierarchyAttributeName.Length > 0);
chkODUseHierarchy.Checked = (chkODUseHierarchy.Enabled && naSolverSettings.UseHierarchy);
chkODIgnoreInvalidLocations.Checked = naSolverSettings.IgnoreInvalidLocations;
cboODRestrictUTurns.SelectedIndex = System.Convert.ToInt32(naSolverSettings.RestrictUTurns);
PopulateAttributeControl(chklstODAccumulateAttributeNames, networkDataset, naSolverSettings.AccumulateAttributeNames, esriNetworkAttributeUsageType.esriNAUTCost);
PopulateAttributeControl(chklstODRestrictionAttributeNames, networkDataset, naSolverSettings.RestrictionAttributeNames, esriNetworkAttributeUsageType.esriNAUTRestriction);
}
else if (saSolver != null) //SERVICE AREA SOLVER
{
// Remove unnecessary tabs
tabPropPages.TabPages.Remove(tabRoute);
tabPropPages.TabPages.Remove(tabClosestFacility);
tabPropPages.TabPages.Remove(tabODCostMatrix);
tabPropPages.TabPages.Remove(tabVRP);
tabPropPages.TabPages.Remove(tabLocationAllocation);
// INAServiceAreaSolver2
txtSADefaultBreaks.Text = "";
for (int iBreak = 0; iBreak < saSolver.DefaultBreaks.Count; iBreak++)
{
txtSADefaultBreaks.Text = txtSADefaultBreaks.Text + " " + saSolver.DefaultBreaks.get_Element(iBreak).ToString();
}
cboSATravelDirection.SelectedIndex = Convert.ToInt32(saSolver.TravelDirection);
cboSAOutputPolygons.SelectedIndex = -1;
cboSAOutputPolygons.SelectedIndex = Convert.ToInt32(saSolver.OutputPolygons);
chkSAOverlapPolygons.Checked = saSolver.OverlapPolygons;
chkSASplitPolygonsAtBreaks.Checked = saSolver.SplitPolygonsAtBreaks;
chkSAMergeSimilarPolygonRanges.Checked = saSolver.MergeSimilarPolygonRanges;
chkSATrimOuterPolygon.Checked = saSolver.TrimOuterPolygon;
txtSATrimPolygonDistance.Text = saSolver.TrimPolygonDistance.ToString();
cboSATrimPolygonDistanceUnits.SelectedIndex = Convert.ToInt32(saSolver.TrimPolygonDistanceUnits);
cboSAOutputLines.SelectedIndex = -1;
cboSAOutputLines.SelectedIndex = Convert.ToInt32(saSolver.OutputLines);
chkSAOverlapLines.Checked = saSolver.OverlapLines;
chkSASplitLinesAtBreaks.Checked = saSolver.SplitLinesAtBreaks;
chkSAIncludeSourceInformationOnLines.Checked = saSolver.IncludeSourceInformationOnLines;
// INASolverSettings
PopulateImpedanceNameControl(cboSAImpedance, networkDataset, naSolverSettings.ImpedanceAttributeName);
chkSAIgnoreInvalidLocations.Checked = naSolverSettings.IgnoreInvalidLocations;
cboSARestrictUTurns.SelectedIndex = System.Convert.ToInt32(naSolverSettings.RestrictUTurns);
PopulateAttributeControl(chklstSAAccumulateAttributeNames, networkDataset, naSolverSettings.AccumulateAttributeNames, esriNetworkAttributeUsageType.esriNAUTCost);
PopulateAttributeControl(chklstSARestrictionAttributeNames, networkDataset, naSolverSettings.RestrictionAttributeNames, esriNetworkAttributeUsageType.esriNAUTRestriction);
}
else if (vrpSolver != null) // VRP Solver
{
// Remove unnecessary tabs
tabPropPages.TabPages.Remove(tabRoute);
tabPropPages.TabPages.Remove(tabClosestFacility);
tabPropPages.TabPages.Remove(tabODCostMatrix);
tabPropPages.TabPages.Remove(tabServiceArea);
tabPropPages.TabPages.Remove(tabLocationAllocation);
cboVRPOutputShapeType.SelectedIndex = Convert.ToInt32(vrpSolver.OutputLines);
cboVRPAllowUTurns.SelectedIndex = Convert.ToInt32(naSolverSettings.RestrictUTurns);
// VRP cannot have unknown units, so the index is offset by 1 from the solver field units
cboVRPDistanceFieldUnits.SelectedIndex = Convert.ToInt32(vrpSolver.DistanceFieldUnits) - 1;
cboVRPTransitTime.SelectedIndex = Convert.ToInt32(vrpSolver.ExcessTransitTimePenaltyFactor);
cboVRPTimeWindow.SelectedIndex = Convert.ToInt32(vrpSolver.TimeWindowViolationPenaltyFactor);
cboVRPTimeFieldUnits.SelectedIndex = Convert.ToInt32(vrpSolver.TimeFieldUnits - 20);
txtVRPCapacityCount.Text = vrpSolver.CapacityCount.ToString();
txtVRPDefaultDate.Text = vrpSolver.DefaultDate.ToShortDateString();
chkVRPUseHierarchy.Checked = naSolverSettings.UseHierarchy;
PopulateAttributeControl(chklstVRPRestrictionAttributeNames, networkDataset, naSolverSettings.RestrictionAttributeNames, esriNetworkAttributeUsageType.esriNAUTRestriction);
//populate the time attribute combo box
cboVRPTimeAttribute.Items.Clear();
for (int i = 0; i < networkDataset.AttributeCount; i++)
{
INetworkAttribute networkAttribute = networkDataset.get_Attribute(i);
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost &&
networkAttribute.Units >= esriNetworkAttributeUnits.esriNAUSeconds)
{
cboVRPTimeAttribute.Items.Add(networkAttribute.Name);
}
}
if (cboVRPTimeAttribute.Items.Count > 0)
{
cboVRPTimeAttribute.Text = naSolverSettings.ImpedanceAttributeName;
}
// for VRP, the AccumulateAttributeNames hold the length, and it can only hold one length.
// Loop through the network dataset attributes
cboVRPDistanceAttribute.Items.Clear();
cboVRPDistanceAttribute.SelectedIndex = cboVRPDistanceAttribute.Items.Add("");
for (int i = 0; i < networkDataset.AttributeCount; i++)
{
INetworkAttribute networkAttribute = networkDataset.get_Attribute(i);
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost &&
networkAttribute.Units < esriNetworkAttributeUnits.esriNAUSeconds)
{
string attributeName = networkAttribute.Name;
int cboindex = cboVRPDistanceAttribute.Items.Add(networkAttribute.Name);
// If the attribute is in the strArray, it should be the selected one
for (int j = 0; j < naSolverSettings.AccumulateAttributeNames.Count; j++)
{
if (naSolverSettings.AccumulateAttributeNames.get_Element(j) == attributeName)
{
cboVRPDistanceAttribute.SelectedIndex = cboindex;
}
}
}
}
}
else if (laSolver != null) // Location-Allocation LAYER
{
// Remove unnecessary tabs
tabPropPages.TabPages.Remove(tabRoute);
tabPropPages.TabPages.Remove(tabClosestFacility);
tabPropPages.TabPages.Remove(tabODCostMatrix);
tabPropPages.TabPages.Remove(tabServiceArea);
tabPropPages.TabPages.Remove(tabVRP);
// INALocationAllocationSolver
txtLACutOff.Text = GetStringFromObject(laSolver.DefaultCutoff);
txtLAFacilitiesToLocate.Text = laSolver.NumberFacilitiesToLocate.ToString();
txtLAImpParameter.Text = laSolver.TransformationParameter.ToString();
txtLATargetMarketShare.Text = laSolver.TargetMarketSharePercentage.ToString();
cboLAImpTransformation.SelectedIndex = Convert.ToInt32(laSolver.ImpedanceTransformation);
cboLAProblemType.SelectedIndex = Convert.ToInt32(laSolver.ProblemType);
cboLAOutputLines.SelectedIndex = Convert.ToInt32(laSolver.OutputLines);
cboLATravelDirection.SelectedIndex = Convert.ToInt32(laSolver.TravelDirection);
//// INASolverSettings
PopulateImpedanceNameControl(cboLAImpedance, networkDataset, naSolverSettings.ImpedanceAttributeName);
PopulateAttributeControl(chklstLAAccumulateAttributeNames, networkDataset, naSolverSettings.AccumulateAttributeNames, esriNetworkAttributeUsageType.esriNAUTCost);
PopulateAttributeControl(chklstLARestrictionAttributeNames, networkDataset, naSolverSettings.RestrictionAttributeNames, esriNetworkAttributeUsageType.esriNAUTRestriction);
chkLAUseHierarchy.Enabled = (naSolverSettings.HierarchyAttributeName.Length > 0);
chkLAUseHierarchy.Checked = (chkCFUseHierarchy.Enabled && naSolverSettings.UseHierarchy);
chkLAIgnoreInvalidLocations.Checked = naSolverSettings.IgnoreInvalidLocations;
}
else // Unknown type of layer
{
// Remove unnecessary tabs
tabPropPages.TabPages.Remove(tabRoute);
tabPropPages.TabPages.Remove(tabClosestFacility);
tabPropPages.TabPages.Remove(tabODCostMatrix);
tabPropPages.TabPages.Remove(tabServiceArea);
tabPropPages.TabPages.Remove(tabVRP);
tabPropPages.TabPages.Remove(tabLocationAllocation);
}
}