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--- source_code_routing_index_generator_cs_100325.zip [2015/08/20 03:08]
127.0.0.1 external edit
+++ source_code_routing_index_generator_cs_100325.zip [2015/09/09 03:33]
admin
@@ Line 1: / Line 1: @@
-====== Source_Code_Routing_Index_Generator_CS_100325.zip ======
+====== Source Code Routing Index Generator CS 100325.zip ======
-<noinclude>{{article rating}}</noinclude>
 ====RoutingIndexGenerator.cs====
-^ Code ^
-| <source lang="csharp" line="1">  \\  \\ using System;  \\ using System.Collections.ObjectModel;  \\ using System.IO;  \\ using System.Linq;  \\ using System.Threading.Tasks;  \\ using System.Windows.Forms;  \\ using RoutingIndexGenerator.Properties;  \\ using ThinkGeo.MapSuite.Core;  \\ using ThinkGeo.MapSuite.Routing;  \\  \\ namespace RoutingIndexGenerator  \\ {  \\     public partial class RoutingIndexGenerator : Form  \\     {  \\         private bool isBuildingRtgFile;  \\         private RoutingIndexFileBuilder builder;  \\         private BuildRoutingIndexParameters buildRoutingIndexParameters;  \\  \\         public RoutingIndexGenerator()  \\         {  \\             InitializeComponent();  \\  \\             <nowiki>//</nowiki>initialization parameters.  \\             buildRoutingIndexParameters = new BuildRoutingIndexParameters();  \\  \\             <nowiki>//</nowiki>read the options for parameter and refresh the Uis  \\             cmbGeographyUnit.SelectedIndex = (int)buildRoutingIndexParameters.GeographyUnit;  \\             cmbDistanceUnit.SelectedIndex = (int)buildRoutingIndexParameters.DistanceUnit;  \\             cmbRouteIndexType.SelectedIndex = (int)buildRoutingIndexParameters.RouteIndexType;  \\             cmbSpeedUnit.SelectedIndex = (int)buildRoutingIndexParameters.SpeedOption.SpeedUnit;  \\         }  \\  \\         private void btnGenerate_Click(object sender, EventArgs e)  \\         {  \\             isBuildingRtgFile = true;  \\             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\  \\             <nowiki>//</nowiki>display the ProgressBar.  \\             pnlProgress.Visible = true;  \\  \\             <nowiki>//</nowiki>create a new RoutingIndexFileBuilder.  \\             builder = new RoutingIndexFileBuilder(buildRoutingIndexParameters);  \\  \\             <nowiki>//</nowiki>Add a event to display refresh the ProgressBar.  \\             builder.BuildingRouteSegment += new EventHandler<EventArgs>(builder_BuildingRouteSegment);  \\  \\             <nowiki>//</nowiki>Start build index file(.rtg).  \\             Task.Factory.StartNew(() =>  \\             {  \\                 builder.StartBuildingRtgFile();  \\             });  \\         }  \\  \\         private void builder_BuildingRouteSegment(object sender, EventArgs e)  \\         {  \\             this.BeginInvoke(new Action(() =>  \\             {  \\                 <nowiki>//</nowiki>refresh the progress and display the total record count.  \\                 lblSegmentCount.Text = builder.TotalRecordCount.ToString();  \\                 pgbBuildProgress.Value = builder.ProcessedRecordCount * 100 / builder.TotalRecordCount;  \\  \\                 if (pgbBuildProgress.Value == 100)  \\                 {  \\                     isBuildingRtgFile = false;  \\                     btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\                     MessageBox.Show(this, Resources.FinishBuildIndexFile, "Completed");  \\                 }  \\             }));  \\         }  \\  \\         private void btnBrowseShapeFile_Click(object sender, EventArgs e)  \\         {  \\             <nowiki>//</nowiki>create dialog to select the shape file.  \\             OpenFileDialog fileDialog = new OpenFileDialog();  \\             fileDialog.Multiselect = false;  \\             fileDialog.Filter = Resources.ShapeFileFilterString;  \\  \\             if (fileDialog.ShowDialog() == DialogResult.OK)  \\             {  \\                 CheckFileIsRequirement(fileDialog.FileName);  \\  \\                 txtShapeFilePath.Text = buildRoutingIndexParameters.ShapefilePathName;  \\                 txtIndexFilePath.Text = buildRoutingIndexParameters.RtgFilePathName;  \\             }  \\  \\             <nowiki>//</nowiki>check can build index file.  \\             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\         }  \\  \\         private void btnSaveRtgFile_Click(object sender, EventArgs e)  \\         {  \\             <nowiki>//</nowiki>create dialog to save the .rtg file.  \\             SaveFileDialog saveFileDialog = new SaveFileDialog();  \\             saveFileDialog.FileName = buildRoutingIndexParameters.RtgFilePathName;  \\             saveFileDialog.Filter = Resources.RoutingIndexFileFilterString;  \\             saveFileDialog.DefaultExt = ".rtg";  \\             if (saveFileDialog.ShowDialog() == DialogResult.OK)  \\             {  \\                 txtIndexFilePath.Text = saveFileDialog.FileName;  \\             }  \\  \\             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\         }  \\  \\         private void txtIndexFilePath_TextChanged(object sender, EventArgs e)  \\         {  \\             buildRoutingIndexParameters.RtgFilePathName = txtIndexFilePath.Text;  \\             txtIndexFilePath.Text = buildRoutingIndexParameters.RtgFilePathName;  \\  \\             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\         }  \\  \\         private void txtDefaultSpeed_TextChanged(object sender, EventArgs e)  \\         {  \\             float speed = buildRoutingIndexParameters.SpeedOption.DefaultSpeed;  \\             buildRoutingIndexParameters.SpeedOption.DefaultSpeed = float.TryParse(txtDefaultSpeed.Text, out speed) ? speed : 0;  \\  \\             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\         }  \\  \\         private void chkSkipOnewayOptions_CheckedChanged(object sender, EventArgs e)  \\         {  \\             buildRoutingIndexParameters.SkipOnewayOptions = chkSkipOnewayOptions.Checked;  \\             pnlOnewayOptions.Enabled = !chkSkipOnewayOptions.Checked;  \\  \\             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\         }  \\  \\         private void chkRebuildRtgFile_CheckedChanged(object sender, EventArgs e)  \\         {  \\             buildRoutingIndexParameters.BuildRoutingDataMode = chkRebuildRtgFile.Checked ? BuildRoutingDataMode.Rebuild : BuildRoutingDataMode.DoNotRebuild;  \\         }  \\  \\         private void RouteOptionComboBox_SelectedIndexChanged(object sender, EventArgs e)  \\         {  \\             buildRoutingIndexParameters.GeographyUnit = cmbGeographyUnit.SelectedIndex != -1 ? (GeographyUnit)cmbGeographyUnit.SelectedIndex  \\                 : buildRoutingIndexParameters.GeographyUnit;  \\  \\             buildRoutingIndexParameters.DistanceUnit = cmbDistanceUnit.SelectedIndex != -1 ? (DistanceUnit)cmbDistanceUnit.SelectedIndex  \\                 : buildRoutingIndexParameters.DistanceUnit;  \\  \\             buildRoutingIndexParameters.RouteIndexType = cmbRouteIndexType.SelectedIndex != -1 ? (RouteIndexType)cmbRouteIndexType.SelectedIndex  \\                 : buildRoutingIndexParameters.RouteIndexType;  \\  \\             buildRoutingIndexParameters.SpeedOption.SpeedUnit = cmbSpeedUnit.SelectedIndex != -1 ? (SpeedUnit)cmbSpeedUnit.SelectedIndex  \\                 : buildRoutingIndexParameters.SpeedOption.SpeedUnit;  \\         }  \\  \\         private void chkRouteSpeedOptions_CheckedChanged(object sender, EventArgs e)  \\         {  \\             if (!chkRouteSpeedOptions.Checked)  \\             {  \\                 buildRoutingIndexParameters.SpeedOption.SpeedType = SpeedType.DefaultSpeed;  \\             }  \\             else  \\             {  \\                 buildRoutingIndexParameters.SpeedOption.SpeedType = rbtnClassSpeed.Checked ? SpeedType.RoadClass : SpeedType.RoadSpeed;  \\             }  \\  \\             pnlRouteSpeedOptions.Enabled = chkRouteSpeedOptions.Checked;  \\             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\         }  \\  \\         private void ShapeFileColumnComboBox_SelectedValueChanged(object sender, EventArgs e)  \\         {  \\             buildRoutingIndexParameters.OneWayRoadOption.IndicatorColumnName = cmbOnewayIndicatorColumn.Text;  \\             buildRoutingIndexParameters.OneWayRoadOption.OneWayColumnName = cmbOnewayRoadColumn.Text;  \\             buildRoutingIndexParameters.SpeedOption.SpeedColumnName = cmbSpeedColumn.Text;  \\             buildRoutingIndexParameters.SpeedOption.RoadClassColumnName = cmbRoadClassColumn.Text;  \\  \\             if (sender.Equals(cmbRoadClassColumn))  \\             {  \\                 colRoadClass.Items.Clear();  \\                 dgvRoadClassSpeed.Rows.Clear();  \\                 buildRoutingIndexParameters.SpeedOption.RoadSpeeds.Clear();  \\  \\                 ShapeFileFeatureSource source = new ShapeFileFeatureSource(buildRoutingIndexParameters.ShapefilePathName);  \\                 source.Open();  \\                 Collection<Feature> features = source.GetAllFeatures(new string[[]] { cmbRoadClassColumn.Text });  \\                 source.Close();  \\  \\                 foreach (Feature feature in features)  \\                 {  \\                     if (!colRoadClass.Items.Contains(feature.ColumnValues[[cmbRoadClassColumn.Text]]))  \\                     {  \\                         colRoadClass.Items.Add(feature.ColumnValues[[cmbRoadClassColumn.Text]]);  \\                     }  \\                 }  \\                 colRoadClass.Items.Remove(string.Empty);  \\             }  \\  \\             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\         }  \\  \\         private void SpeedTypeRadioButton_CheckedChanged(object sender, EventArgs e)  \\         {  \\             buildRoutingIndexParameters.SpeedOption.SpeedType = rbtnClassSpeed.Checked ? SpeedType.RoadClass : SpeedType.RoadSpeed;  \\  \\             lblSpeedColumn.Enabled = false;  \\             cmbSpeedColumn.Enabled = false;  \\             lblRoadClassColumn.Enabled = false;  \\             cmbRoadClassColumn.Enabled = false;  \\             dgvRoadClassSpeed.Enabled = false;  \\  \\             if (rbtnClassSpeed.Checked)  \\             {  \\                 lblRoadClassColumn.Enabled = true;  \\                 cmbRoadClassColumn.Enabled = true;  \\                 dgvRoadClassSpeed.Enabled = true;  \\             }  \\             else if (rbtnRoadSpeed.Checked)  \\             {  \\                 lblSpeedColumn.Enabled = true;  \\                 cmbSpeedColumn.Enabled = true;  \\             }  \\  \\             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\         }  \\  \\         private void RouteOptionTextBox_TextChanged(object sender, EventArgs e)  \\         {  \\             buildRoutingIndexParameters.OneWayRoadOption.BothWayRoadValue = txtBothWayRoadValue.Text;  \\             buildRoutingIndexParameters.OneWayRoadOption.FromToValue = txtFromToValue.Text;  \\             buildRoutingIndexParameters.OneWayRoadOption.ToFromValue = txtToFromValue.Text;  \\             buildRoutingIndexParameters.OneWayRoadOption.ClosedRoad = txtColsedRoad.Text;  \\  \\             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\         }  \\  \\         private void dgvRoadClassSpeed_CellEndEdit(object sender, DataGridViewCellEventArgs e)  \\         {  \\             buildRoutingIndexParameters.SpeedOption.RoadSpeeds.Clear();  \\  \\             foreach (DataGridViewRow row in dgvRoadClassSpeed.Rows)  \\             {  \\                 string value = row.Cells[[1]].Value == null ? string.Empty : row.Cells[[1]].Value.ToString();  \\                 string key = row.Cells[[0]].Value == null ? string.Empty : row.Cells[[0]].Value.ToString();  \\  \\                 double speed = 0;  \\  \\                 if (!buildRoutingIndexParameters.SpeedOption.RoadSpeeds.Keys.Contains(key) && double.TryParse(value, out speed) && speed > 0)  \\                 {  \\                     buildRoutingIndexParameters.SpeedOption.RoadSpeeds.Add(key, speed);  \\                 }  \\             }  \\  \\             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;  \\         }  \\  \\         private void btnCancel_Click(object sender, EventArgs e)  \\         {  \\             if (builder != null)  \\             {  \\                 builder.CancelBuildingRtgFile();  \\             }  \\             this.Close();  \\         }  \\  \\         private void CheckFileIsRequirement(string shapeFile)  \\         {  \\             string errorMessage = string.Empty;  \\             try  \\             {  \\                 <nowiki>//</nowiki>read ShapeFileType and ShapeFileColumns from ShapeFile.  \\                 ShapeFileType fileType;  \\                 Collection<FeatureSourceColumn> columns = ReadShapeFileTypeAndColumns(shapeFile, out fileType);  \\  \\                 <nowiki>//</nowiki>check if ShapeFileType is Polyline.  \\                 if (fileType == ShapeFileType.Polyline)  \\                 {  \\                     AddColumnItemsToComboBox(columns);  \\                     buildRoutingIndexParameters.ShapefilePathName = shapeFile;  \\                 }  \\                 else  \\                 {  \\                     errorMessage = Resources.ShapeFileTypeError;  \\                 }  \\             }  \\             catch  \\             {  \\                 errorMessage = Resources.ShapeFileFormatError;  \\             }  \\  \\             <nowiki>//</nowiki>Display the ErrorMessage.  \\             if (!string.IsNullOrEmpty(errorMessage))  \\             {  \\                 MessageBox.Show(errorMessage, "Error");  \\             }  \\         }  \\  \\         private Collection<FeatureSourceColumn> ReadShapeFileTypeAndColumns(string shapeFilePath, out ShapeFileType fileType)  \\         {  \\             Collection<FeatureSourceColumn> columns;  \\  \\             ShapeFileFeatureLayer layer = new ShapeFileFeatureLayer(shapeFilePath);  \\             layer.Open();  \\             fileType = layer.GetShapeFileType();  \\             columns = layer.FeatureSource.GetColumns();  \\             layer.Close();  \\  \\             return columns;  \\         }  \\  \\         private void AddColumnItemsToComboBox(Collection<FeatureSourceColumn> columns)  \\         {  \\             cmbOnewayIndicatorColumn.Items.Clear();  \\             cmbOnewayRoadColumn.Items.Clear();  \\             cmbRoadClassColumn.Items.Clear();  \\             cmbSpeedColumn.Items.Clear();  \\  \\             foreach (FeatureSourceColumn column in columns)  \\             {  \\                 cmbOnewayIndicatorColumn.Items.Add(column);  \\                 cmbOnewayRoadColumn.Items.Add(column);  \\                 cmbRoadClassColumn.Items.Add(column);  \\                 cmbSpeedColumn.Items.Add(column);  \\             }  \\         }  \\     }  \\ }  \\  \\  \\ </source>   |
+<code csharp>
+ using System;
+ using System.Collections.ObjectModel;
+ using System.IO;
+ using System.Linq;
+ using System.Threading.Tasks;
+ using System.Windows.Forms;
+ using RoutingIndexGenerator.Properties;
+ using ThinkGeo.MapSuite.Core;
+ using ThinkGeo.MapSuite.Routing;
+ namespace RoutingIndexGenerator
+ {
+     public partial class RoutingIndexGenerator : Form
+     {
+         private bool isBuildingRtgFile;
+         private RoutingIndexFileBuilder builder;
+         private BuildRoutingIndexParameters buildRoutingIndexParameters;
+         public RoutingIndexGenerator()
+         {
+             InitializeComponent();
+             //initialization parameters.
+             buildRoutingIndexParameters = new BuildRoutingIndexParameters();
+             //read the options for parameter and refresh the Uis
+             cmbGeographyUnit.SelectedIndex = (int)buildRoutingIndexParameters.GeographyUnit;
+             cmbDistanceUnit.SelectedIndex = (int)buildRoutingIndexParameters.DistanceUnit;
+             cmbRouteIndexType.SelectedIndex = (int)buildRoutingIndexParameters.RouteIndexType;
+             cmbSpeedUnit.SelectedIndex = (int)buildRoutingIndexParameters.SpeedOption.SpeedUnit;
+         }
+         private void btnGenerate_Click(object sender, EventArgs e)
+         {
+             isBuildingRtgFile = true;
+             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+             //display the ProgressBar.
+             pnlProgress.Visible = true;
+             //create a new RoutingIndexFileBuilder.
+             builder = new RoutingIndexFileBuilder(buildRoutingIndexParameters);
+             //Add a event to display refresh the ProgressBar.
+             builder.BuildingRouteSegment += new EventHandler<EventArgs>(builder_BuildingRouteSegment);
+             //Start build index file(.rtg).
+             Task.Factory.StartNew(() =>
+             {
+                 builder.StartBuildingRtgFile();
+             });
+         }
+         private void builder_BuildingRouteSegment(object sender, EventArgs e)
+         {
+             this.BeginInvoke(new Action(() =>
+             {
+                 //refresh the progress and display the total record count.
+                 lblSegmentCount.Text = builder.TotalRecordCount.ToString();
+                 pgbBuildProgress.Value = builder.ProcessedRecordCount * 100 / builder.TotalRecordCount;
+                 if (pgbBuildProgress.Value == 100)
+                 {
+                     isBuildingRtgFile = false;
+                     btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+                     MessageBox.Show(this, Resources.FinishBuildIndexFile, "Completed");
+                 }
+             }));
+         }
+         private void btnBrowseShapeFile_Click(object sender, EventArgs e)
+         {
+             //create dialog to select the shape file.
+             OpenFileDialog fileDialog = new OpenFileDialog();
+             fileDialog.Multiselect = false;
+             fileDialog.Filter = Resources.ShapeFileFilterString;
+             if (fileDialog.ShowDialog() == DialogResult.OK)
+             {
+                 CheckFileIsRequirement(fileDialog.FileName);
+                 txtShapeFilePath.Text = buildRoutingIndexParameters.ShapefilePathName;
+                 txtIndexFilePath.Text = buildRoutingIndexParameters.RtgFilePathName;
+             }
+             //check can build index file.
+             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+         }
+         private void btnSaveRtgFile_Click(object sender, EventArgs e)
+         {
+             //create dialog to save the .rtg file.
+             SaveFileDialog saveFileDialog = new SaveFileDialog();
+             saveFileDialog.FileName = buildRoutingIndexParameters.RtgFilePathName;
+             saveFileDialog.Filter = Resources.RoutingIndexFileFilterString;
+             saveFileDialog.DefaultExt = ".rtg";
+             if (saveFileDialog.ShowDialog() == DialogResult.OK)
+             {
+                 txtIndexFilePath.Text = saveFileDialog.FileName;
+             }
+             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+         }
+         private void txtIndexFilePath_TextChanged(object sender, EventArgs e)
+         {
+             buildRoutingIndexParameters.RtgFilePathName = txtIndexFilePath.Text;
+             txtIndexFilePath.Text = buildRoutingIndexParameters.RtgFilePathName;
+             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+         }
+         private void txtDefaultSpeed_TextChanged(object sender, EventArgs e)
+         {
+             float speed = buildRoutingIndexParameters.SpeedOption.DefaultSpeed;
+             buildRoutingIndexParameters.SpeedOption.DefaultSpeed = float.TryParse(txtDefaultSpeed.Text, out speed) ? speed : 0;
+             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+         }
+         private void chkSkipOnewayOptions_CheckedChanged(object sender, EventArgs e)
+         {
+             buildRoutingIndexParameters.SkipOnewayOptions = chkSkipOnewayOptions.Checked;
+             pnlOnewayOptions.Enabled = !chkSkipOnewayOptions.Checked;
+             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+         }
+         private void chkRebuildRtgFile_CheckedChanged(object sender, EventArgs e)
+         {
+             buildRoutingIndexParameters.BuildRoutingDataMode = chkRebuildRtgFile.Checked ? BuildRoutingDataMode.Rebuild : BuildRoutingDataMode.DoNotRebuild;
+         }
+         private void RouteOptionComboBox_SelectedIndexChanged(object sender, EventArgs e)
+         {
+             buildRoutingIndexParameters.GeographyUnit = cmbGeographyUnit.SelectedIndex != -1 ? (GeographyUnit)cmbGeographyUnit.SelectedIndex
+                 : buildRoutingIndexParameters.GeographyUnit;
+             buildRoutingIndexParameters.DistanceUnit = cmbDistanceUnit.SelectedIndex != -1 ? (DistanceUnit)cmbDistanceUnit.SelectedIndex
+                 : buildRoutingIndexParameters.DistanceUnit;
+             buildRoutingIndexParameters.RouteIndexType = cmbRouteIndexType.SelectedIndex != -1 ? (RouteIndexType)cmbRouteIndexType.SelectedIndex
+                 : buildRoutingIndexParameters.RouteIndexType;
+             buildRoutingIndexParameters.SpeedOption.SpeedUnit = cmbSpeedUnit.SelectedIndex != -1 ? (SpeedUnit)cmbSpeedUnit.SelectedIndex
+                 : buildRoutingIndexParameters.SpeedOption.SpeedUnit;
+         }
+         private void chkRouteSpeedOptions_CheckedChanged(object sender, EventArgs e)
+         {
+             if (!chkRouteSpeedOptions.Checked)
+             {
+                 buildRoutingIndexParameters.SpeedOption.SpeedType = SpeedType.DefaultSpeed;
+             }
+             else
+             {
+                 buildRoutingIndexParameters.SpeedOption.SpeedType = rbtnClassSpeed.Checked ? SpeedType.RoadClass : SpeedType.RoadSpeed;
+             }
+             pnlRouteSpeedOptions.Enabled = chkRouteSpeedOptions.Checked;
+             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+         }
+         private void ShapeFileColumnComboBox_SelectedValueChanged(object sender, EventArgs e)
+         {
+             buildRoutingIndexParameters.OneWayRoadOption.IndicatorColumnName = cmbOnewayIndicatorColumn.Text;
+             buildRoutingIndexParameters.OneWayRoadOption.OneWayColumnName = cmbOnewayRoadColumn.Text;
+             buildRoutingIndexParameters.SpeedOption.SpeedColumnName = cmbSpeedColumn.Text;
+             buildRoutingIndexParameters.SpeedOption.RoadClassColumnName = cmbRoadClassColumn.Text;
+             if (sender.Equals(cmbRoadClassColumn))
+             {
+                 colRoadClass.Items.Clear();
+                 dgvRoadClassSpeed.Rows.Clear();
+                 buildRoutingIndexParameters.SpeedOption.RoadSpeeds.Clear();
+                 ShapeFileFeatureSource source = new ShapeFileFeatureSource(buildRoutingIndexParameters.ShapefilePathName);
+                 source.Open();
+                 Collection<Feature> features = source.GetAllFeatures(new string[] { cmbRoadClassColumn.Text });
+                 source.Close();
+                 foreach (Feature feature in features)
+                 {
+                     if (!colRoadClass.Items.Contains(feature.ColumnValues[cmbRoadClassColumn.Text]))
+                     {
+                         colRoadClass.Items.Add(feature.ColumnValues[cmbRoadClassColumn.Text]);
+                     }
+                 }
+                 colRoadClass.Items.Remove(string.Empty);
+             }
+             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+         }
+         private void SpeedTypeRadioButton_CheckedChanged(object sender, EventArgs e)
+         {
+             buildRoutingIndexParameters.SpeedOption.SpeedType = rbtnClassSpeed.Checked ? SpeedType.RoadClass : SpeedType.RoadSpeed;
+             lblSpeedColumn.Enabled = false;
+             cmbSpeedColumn.Enabled = false;
+             lblRoadClassColumn.Enabled = false;
+             cmbRoadClassColumn.Enabled = false;
+             dgvRoadClassSpeed.Enabled = false;
+             if (rbtnClassSpeed.Checked)
+             {
+                 lblRoadClassColumn.Enabled = true;
+                 cmbRoadClassColumn.Enabled = true;
+                 dgvRoadClassSpeed.Enabled = true;
+             }
+             else if (rbtnRoadSpeed.Checked)
+             {
+                 lblSpeedColumn.Enabled = true;
+                 cmbSpeedColumn.Enabled = true;
+             }
+             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+         }
+         private void RouteOptionTextBox_TextChanged(object sender, EventArgs e)
+         {
+             buildRoutingIndexParameters.OneWayRoadOption.BothWayRoadValue = txtBothWayRoadValue.Text;
+             buildRoutingIndexParameters.OneWayRoadOption.FromToValue = txtFromToValue.Text;
+             buildRoutingIndexParameters.OneWayRoadOption.ToFromValue = txtToFromValue.Text;
+             buildRoutingIndexParameters.OneWayRoadOption.ClosedRoad = txtColsedRoad.Text;
+             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+         }
+         private void dgvRoadClassSpeed_CellEndEdit(object sender, DataGridViewCellEventArgs e)
+         {
+             buildRoutingIndexParameters.SpeedOption.RoadSpeeds.Clear();
+             foreach (DataGridViewRow row in dgvRoadClassSpeed.Rows)
+             {
+                 string value = row.Cells[1].Value == null ? string.Empty : row.Cells[1].Value.ToString();
+                 string key = row.Cells[0].Value == null ? string.Empty : row.Cells[0].Value.ToString();
+                 double speed = 0;
+                 if (!buildRoutingIndexParameters.SpeedOption.RoadSpeeds.Keys.Contains(key) && double.TryParse(value, out speed) && speed > 0)
+                 {
+                     buildRoutingIndexParameters.SpeedOption.RoadSpeeds.Add(key, speed);
+                 }
+             }
+             btnGenerate.Enabled = buildRoutingIndexParameters.CheckCanBuildIndexFile() && !isBuildingRtgFile;
+         }
+         private void btnCancel_Click(object sender, EventArgs e)
+         {
+             if (builder != null)
+             {
+                 builder.CancelBuildingRtgFile();
+             }
+             this.Close();
+         }
+         private void CheckFileIsRequirement(string shapeFile)
+         {
+             string errorMessage = string.Empty;
+             try
+             {
+                 //read ShapeFileType and ShapeFileColumns from ShapeFile.
+                 ShapeFileType fileType;
+                 Collection<FeatureSourceColumn> columns = ReadShapeFileTypeAndColumns(shapeFile, out fileType);
+                 //check if ShapeFileType is Polyline.
+                 if (fileType == ShapeFileType.Polyline)
+                 {
+                     AddColumnItemsToComboBox(columns);
+                     buildRoutingIndexParameters.ShapefilePathName = shapeFile;
+                 }
+                 else
+                 {
+                     errorMessage = Resources.ShapeFileTypeError;
+                 }
+             }
+             catch
+             {
+                 errorMessage = Resources.ShapeFileFormatError;
+             }
+             //Display the ErrorMessage.
+             if (!string.IsNullOrEmpty(errorMessage))
+             {
+                 MessageBox.Show(errorMessage, "Error");
+             }
+         }
+         private Collection<FeatureSourceColumn> ReadShapeFileTypeAndColumns(string shapeFilePath, out ShapeFileType fileType)
+         {
+             Collection<FeatureSourceColumn> columns;
+             ShapeFileFeatureLayer layer = new ShapeFileFeatureLayer(shapeFilePath);
+             layer.Open();
+             fileType = layer.GetShapeFileType();
+             columns = layer.FeatureSource.GetColumns();
+             layer.Close();
+             return columns;
+         }
+         private void AddColumnItemsToComboBox(Collection<FeatureSourceColumn> columns)
+         {
+             cmbOnewayIndicatorColumn.Items.Clear();
+             cmbOnewayRoadColumn.Items.Clear();
+             cmbRoadClassColumn.Items.Clear();
+             cmbSpeedColumn.Items.Clear();
+             foreach (FeatureSourceColumn column in columns)
+             {
+                 cmbOnewayIndicatorColumn.Items.Add(column);
+                 cmbOnewayRoadColumn.Items.Add(column);
+                 cmbRoadClassColumn.Items.Add(column);
+                 cmbSpeedColumn.Items.Add(column);
+             }
+         }
+     }
+ }
+ </code>
 ====RoutingIndexFileBuilder.cs====
-^ Code ^
-| <source lang="csharp" line="1">  \\  \\ using System;  \\ using System.Collections.ObjectModel;  \\ using System.IO;  \\ using RoutingIndexGenerator.Properties;  \\ using ThinkGeo.MapSuite.Core;  \\ using ThinkGeo.MapSuite.Routing;  \\  \\ namespace RoutingIndexGenerator  \\ {  \\     public class RoutingIndexFileBuilder  \\     {  \\         public event EventHandler<EventArgs> BuildingRouteSegment;  \\  \\         private BuildRoutingIndexParameters buildRtgParameter;  \\         private bool cancelBuilding;  \\         private ShapeFileFeatureSource routableFeatureSource;  \\  \\         private int processedRecordCount;  \\         private int totalRecordCount;  \\         private Collection<string> requiredColumns;  \\  \\         public RoutingIndexFileBuilder()  \\             : this(new BuildRoutingIndexParameters())  \\         { }  \\  \\         public RoutingIndexFileBuilder(BuildRoutingIndexParameters buildRtgParameter)  \\         {  \\             this.buildRtgParameter = buildRtgParameter;  \\         }  \\  \\         public int ProcessedRecordCount  \\         {  \\             get { return processedRecordCount; }  \\         }  \\  \\         public int TotalRecordCount  \\         {  \\             get { return totalRecordCount; }  \\         }  \\  \\         public BuildRoutingIndexParameters BuildRtgParameter  \\         {  \\             get { return buildRtgParameter; }  \\         }  \\  \\         public void StartBuildingRtgFile()  \\         {  \\             if (!buildRtgParameter.CheckCanBuildIndexFile())  \\             {  \\                 throw new NotSupportedException(Resources.ParametersNotSuppertBuildingIndex);  \\             }  \\  \\             processedRecordCount = 0;  \\  \\             routableFeatureSource = new ShapeFileFeatureSource(buildRtgParameter.ShapefilePathName);  \\             routableFeatureSource.Open();  \\  \\             totalRecordCount = routableFeatureSource.GetCount();  \\  \\             RtgRoutingSource.BuildingRoutingData += RtgRoutingSource_BuildingRoutingData;  \\             RtgRoutingSource.GenerateRoutingData(buildRtgParameter.RtgFilePathName, buildRtgParameter.ShapefilePathName, buildRtgParameter.ShapefilePathName, buildRtgParameter.BuildRoutingDataMode, buildRtgParameter.GeographyUnit, buildRtgParameter.DistanceUnit);  \\             RtgRoutingSource.BuildingRoutingData -= RtgRoutingSource_BuildingRoutingData;  \\  \\             routableFeatureSource.Close();  \\  \\             if (cancelBuilding == true)  \\             {  \\                 File.Delete(Path.ChangeExtension(buildRtgParameter.RtgFilePathName, ".rtg"));  \\                 File.Delete(Path.ChangeExtension(buildRtgParameter.RtgFilePathName, ".rtx"));  \\             }  \\         }  \\  \\         public void CancelBuildingRtgFile()  \\         {  \\             cancelBuilding = true;  \\         }  \\  \\         private void RtgRoutingSource_BuildingRoutingData(object sender, BuildingRoutingDataRtgRoutingSourceEventArgs e)  \\         {  \\             <nowiki>//</nowiki> Make progressBar move forward a step  \\             processedRecordCount++;  \\             OnBuildingRouteSegment();  \\  \\             <nowiki>//</nowiki> Get the processing Feature  \\             if (requiredColumns == null)  \\             {  \\                 requiredColumns = GetRequiredColumns();  \\             }  \\  \\             Feature feature = routableFeatureSource.GetFeatureById(e.RouteSegment.FeatureId, requiredColumns);  \\             if (!buildRtgParameter.SkipOnewayOptions)  \\             {  \\                 ProcessOneWayRoad(e, feature, requiredColumns);  \\             }  \\  \\             if (buildRtgParameter.RouteIndexType == RouteIndexType.Fastest)  \\             {  \\                 if (buildRtgParameter.SpeedOption.SpeedType == SpeedType.RoadClass && !string.IsNullOrEmpty(buildRtgParameter.SpeedOption.RoadClassColumnName))  \\                 {  \\                     string featureRoadClassValue = feature.ColumnValues[[buildRtgParameter.SpeedOption.RoadClassColumnName]];  \\                     e.RouteSegment.Weight = e.RouteSegment.Distance / GetSpeed(featureRoadClassValue);  \\                 }  \\                 else if (buildRtgParameter.SpeedOption.SpeedType == SpeedType.RoadSpeed && !string.IsNullOrEmpty(buildRtgParameter.SpeedOption.SpeedColumnName))  \\                 {  \\                     float speed = 0;  \\                     string speedString = feature.ColumnValues[[buildRtgParameter.SpeedOption.SpeedColumnName]];  \\                     speed = float.TryParse(speedString, out speed) ? speed : buildRtgParameter.SpeedOption.DefaultSpeed;  \\                     e.RouteSegment.Weight = e.RouteSegment.Distance / speed;  \\                 }  \\                 else  \\                 {  \\                     e.RouteSegment.Weight = e.RouteSegment.Distance / buildRtgParameter.SpeedOption.DefaultSpeed;  \\                 }  \\             }  \\  \\             e.Cancel = cancelBuilding;  \\         }  \\  \\         private Collection<string> GetRequiredColumns()  \\         {  \\             Collection<string> requiredColumns = new Collection<string>();  \\             if (!buildRtgParameter.SkipOnewayOptions)  \\             {  \\                 if (!string.IsNullOrEmpty(buildRtgParameter.OneWayRoadOption.OneWayColumnName))  \\                 {  \\                     requiredColumns.Add(buildRtgParameter.OneWayRoadOption.OneWayColumnName);  \\                 }  \\                 if (!string.IsNullOrEmpty(buildRtgParameter.OneWayRoadOption.IndicatorColumnName))  \\                 {  \\                     requiredColumns.Add(buildRtgParameter.OneWayRoadOption.IndicatorColumnName);  \\                 }  \\             }  \\  \\             string speedColumn = string.Empty;  \\             switch (buildRtgParameter.SpeedOption.SpeedType)  \\             {  \\                 case SpeedType.RoadClass:  \\                     speedColumn = buildRtgParameter.SpeedOption.RoadClassColumnName;  \\                     break;  \\                 case SpeedType.RoadSpeed:  \\                     speedColumn = buildRtgParameter.SpeedOption.SpeedColumnName;  \\                     break;  \\                 default:  \\                     break;  \\             }  \\             if (!string.IsNullOrEmpty(speedColumn))  \\             {  \\                 requiredColumns.Add(speedColumn);  \\             }  \\  \\             return requiredColumns;  \\         }  \\  \\         private void ProcessOneWayRoad(BuildingRoutingDataRtgRoutingSourceEventArgs e, Feature roadFeature, Collection<string> oneWayColumns)  \\         {  \\             LineShape lineShape = GetLineShape(roadFeature);  \\  \\             <nowiki>//</nowiki> handled feature is one-way road  \\             if (!roadFeature.ColumnValues[[buildRtgParameter.OneWayRoadOption.OneWayColumnName]].Equals(buildRtgParameter.OneWayRoadOption.BothWayRoadValue, StringComparison.InvariantCultureIgnoreCase))  \\             {  \\                 if (roadFeature.ColumnValues[[buildRtgParameter.OneWayRoadOption.IndicatorColumnName]].Equals(buildRtgParameter.OneWayRoadOption.FromToValue))  \\                 {  \\                     e.RouteSegment.StartPointAdjacentIds.Clear();  \\                 }  \\                 else if (roadFeature.ColumnValues[[buildRtgParameter.OneWayRoadOption.IndicatorColumnName]].Equals(buildRtgParameter.OneWayRoadOption.ToFromValue))  \\                 {  \\                     e.RouteSegment.EndPointAdjacentIds.Clear();  \\                 }  \\                 else if (roadFeature.ColumnValues[[buildRtgParameter.OneWayRoadOption.IndicatorColumnName]].Equals(buildRtgParameter.OneWayRoadOption.ClosedRoad))  \\                 {  \\                     e.RouteSegment.StartPointAdjacentIds.Clear();  \\                     e.RouteSegment.EndPointAdjacentIds.Clear();  \\                 }  \\             }  \\  \\             <nowiki>//</nowiki> analysis adjacent one-way road features  \\             Collection<string> removedStartPointAdjacentIds = GetRemovedAdjacentIds(e.RouteSegment.StartPointAdjacentIds, new PointShape(lineShape.Vertices[[0]]), oneWayColumns);  \\             foreach (string id in removedStartPointAdjacentIds)  \\             {  \\                 e.RouteSegment.StartPointAdjacentIds.Remove(id);  \\             }  \\             Collection<string> removedEndPointAdjacentIds = GetRemovedAdjacentIds(e.RouteSegment.EndPointAdjacentIds, new PointShape(lineShape.Vertices[[lineShape.Vertices.Count|- 1]]), oneWayColumns);  \\             foreach (string id in removedEndPointAdjacentIds)  \\             {  \\                 e.RouteSegment.EndPointAdjacentIds.Remove(id);  \\             }  \\         }  \\  \\         private Collection<string> GetRemovedAdjacentIds(Collection<string> adjacentIds, PointShape intersectingPoint, Collection<string> oneWayColumns)  \\         {  \\             Collection<string> removedIds = new Collection<string>();  \\             foreach (string id in adjacentIds)  \\             {  \\                 Feature adjacentFeature = routableFeatureSource.GetFeatureById(id, oneWayColumns);  \\                 if (!adjacentFeature.ColumnValues[[buildRtgParameter.OneWayRoadOption.OneWayColumnName]].Equals(buildRtgParameter.OneWayRoadOption.BothWayRoadValue, StringComparison.InvariantCultureIgnoreCase))  \\                 {  \\                     LineShape adjacentLineShape = GetLineShape(adjacentFeature);  \\                     double distanceFromAdjacentStartToIntersecting = new PointShape(adjacentLineShape.Vertices[[0]]).GetDistanceTo(intersectingPoint, buildRtgParameter.GeographyUnit, buildRtgParameter.DistanceUnit);  \\                     double distanceFromAdjacentEndToIntersecting = new PointShape(adjacentLineShape.Vertices[[adjacentLineShape.Vertices.Count|- 1]]).GetDistanceTo(intersectingPoint, buildRtgParameter.GeographyUnit, buildRtgParameter.DistanceUnit);  \\                     if (distanceFromAdjacentStartToIntersecting <= distanceFromAdjacentEndToIntersecting  \\                         && adjacentFeature.ColumnValues[[buildRtgParameter.OneWayRoadOption.IndicatorColumnName]].Equals(buildRtgParameter.OneWayRoadOption.ToFromValue))  \\                     {  \\                         removedIds.Add(id);  \\                     }  \\                     else if (distanceFromAdjacentEndToIntersecting <= distanceFromAdjacentStartToIntersecting  \\                         && adjacentFeature.ColumnValues[[buildRtgParameter.OneWayRoadOption.IndicatorColumnName]].Equals(buildRtgParameter.OneWayRoadOption.FromToValue))  \\                     {  \\                         removedIds.Add(id);  \\                     }  \\                     else if (adjacentFeature.ColumnValues[[buildRtgParameter.OneWayRoadOption.IndicatorColumnName]].Equals(buildRtgParameter.OneWayRoadOption.ClosedRoad))  \\                     {  \\                         removedIds.Add(id);  \\                     }  \\                 }  \\             }  \\             return removedIds;  \\         }  \\  \\         private float GetSpeed(String featureRoadSpeedClassValue)  \\         {  \\             float result = buildRtgParameter.SpeedOption.DefaultSpeed;  \\             foreach (var item in buildRtgParameter.SpeedOption.RoadSpeeds)  \\             {  \\                 if (item.Key.Equals(featureRoadSpeedClassValue, StringComparison.OrdinalIgnoreCase))  \\                 {  \\                     result = (float)item.Value;  \\                     break;  \\                 }  \\             }  \\  \\             return result;  \\         }  \\  \\         private static LineShape GetLineShape(Feature lineFeature)  \\         {  \\             BaseShape baseShape = lineFeature.GetShape();  \\  \\             LineShape lineShape = baseShape as LineShape;  \\             if (lineShape == null)  \\             {  \\                 MultilineShape lineShapes = ((MultilineShape)baseShape);  \\                 Collection<Vertex> vertices = new Collection<Vertex>();  \\  \\                 foreach (LineShape line in lineShapes.Lines)  \\                 {  \\                     for (int i = 0; i < line.Vertices.Count; i++)  \\                     {  \\                         vertices.Add(line.Vertices[[i]]);  \\                     }  \\                 }  \\  \\                 lineShape = new LineShape(vertices);  \\                 lineShape.Id = baseShape.Id;  \\                 lineShape.Tag = baseShape.Tag;  \\             }  \\  \\             return lineShape;  \\         }  \\  \\         protected virtual void OnBuildingRouteSegment()  \\         {  \\             if (BuildingRouteSegment != null)  \\             {  \\                 BuildingRouteSegment(this, new EventArgs());  \\             }  \\         }  \\     }  \\ }  \\  \\  \\ </source>   |
+<code csharp>
+ using System;
+ using System.Collections.ObjectModel;
+ using System.IO;
+ using RoutingIndexGenerator.Properties;
+ using ThinkGeo.MapSuite.Core;
+ using ThinkGeo.MapSuite.Routing;
+ namespace RoutingIndexGenerator
+ {
+     public class RoutingIndexFileBuilder
+     {
+         public event EventHandler<EventArgs> BuildingRouteSegment;
+         private BuildRoutingIndexParameters buildRtgParameter;
+         private bool cancelBuilding;
+         private ShapeFileFeatureSource routableFeatureSource;
+         private int processedRecordCount;
+         private int totalRecordCount;
+         private Collection<string> requiredColumns;
+         public RoutingIndexFileBuilder()
+             : this(new BuildRoutingIndexParameters())
+         { }
+         public RoutingIndexFileBuilder(BuildRoutingIndexParameters buildRtgParameter)
+         {
+             this.buildRtgParameter = buildRtgParameter;
+         }
+         public int ProcessedRecordCount
+         {
+             get { return processedRecordCount; }
+         }
+         public int TotalRecordCount
+         {
+             get { return totalRecordCount; }
+         }
+         public BuildRoutingIndexParameters BuildRtgParameter
+         {
+             get { return buildRtgParameter; }
+         }
+         public void StartBuildingRtgFile()
+         {
+             if (!buildRtgParameter.CheckCanBuildIndexFile())
+             {
+                 throw new NotSupportedException(Resources.ParametersNotSuppertBuildingIndex);
+             }
+             processedRecordCount = 0;
+             routableFeatureSource = new ShapeFileFeatureSource(buildRtgParameter.ShapefilePathName);
+             routableFeatureSource.Open();
+             totalRecordCount = routableFeatureSource.GetCount();
+             RtgRoutingSource.BuildingRoutingData += RtgRoutingSource_BuildingRoutingData;
+             RtgRoutingSource.GenerateRoutingData(buildRtgParameter.RtgFilePathName, buildRtgParameter.ShapefilePathName, buildRtgParameter.ShapefilePathName, buildRtgParameter.BuildRoutingDataMode, buildRtgParameter.GeographyUnit, buildRtgParameter.DistanceUnit);
+             RtgRoutingSource.BuildingRoutingData -= RtgRoutingSource_BuildingRoutingData;
+             routableFeatureSource.Close();
+             if (cancelBuilding == true)
+             {
+                 File.Delete(Path.ChangeExtension(buildRtgParameter.RtgFilePathName, ".rtg"));
+                 File.Delete(Path.ChangeExtension(buildRtgParameter.RtgFilePathName, ".rtx"));
+             }
+         }
+         public void CancelBuildingRtgFile()
+         {
+             cancelBuilding = true;
+         }
+         private void RtgRoutingSource_BuildingRoutingData(object sender, BuildingRoutingDataRtgRoutingSourceEventArgs e)
+         {
+             // Make progressBar move forward a step
+             processedRecordCount++;
+             OnBuildingRouteSegment();
+             // Get the processing Feature
+             if (requiredColumns == null)
+             {
+                 requiredColumns = GetRequiredColumns();
+             }
+             Feature feature = routableFeatureSource.GetFeatureById(e.RouteSegment.FeatureId, requiredColumns);
+             if (!buildRtgParameter.SkipOnewayOptions)
+             {
+                 ProcessOneWayRoad(e, feature, requiredColumns);
+             }
+             if (buildRtgParameter.RouteIndexType == RouteIndexType.Fastest)
+             {
+                 if (buildRtgParameter.SpeedOption.SpeedType == SpeedType.RoadClass && !string.IsNullOrEmpty(buildRtgParameter.SpeedOption.RoadClassColumnName))
+                 {
+                     string featureRoadClassValue = feature.ColumnValues[buildRtgParameter.SpeedOption.RoadClassColumnName];
+                     e.RouteSegment.Weight = e.RouteSegment.Distance / GetSpeed(featureRoadClassValue);
+                 }
+                 else if (buildRtgParameter.SpeedOption.SpeedType == SpeedType.RoadSpeed && !string.IsNullOrEmpty(buildRtgParameter.SpeedOption.SpeedColumnName))
+                 {
+                     float speed = 0;
+                     string speedString = feature.ColumnValues[buildRtgParameter.SpeedOption.SpeedColumnName];
+                     speed = float.TryParse(speedString, out speed) ? speed : buildRtgParameter.SpeedOption.DefaultSpeed;
+                     e.RouteSegment.Weight = e.RouteSegment.Distance / speed;
+                 }
+                 else
+                 {
+                     e.RouteSegment.Weight = e.RouteSegment.Distance / buildRtgParameter.SpeedOption.DefaultSpeed;
+                 }
+             }
+             e.Cancel = cancelBuilding;
+         }
+         private Collection<string> GetRequiredColumns()
+         {
+             Collection<string> requiredColumns = new Collection<string>();
+             if (!buildRtgParameter.SkipOnewayOptions)
+             {
+                 if (!string.IsNullOrEmpty(buildRtgParameter.OneWayRoadOption.OneWayColumnName))
+                 {
+                     requiredColumns.Add(buildRtgParameter.OneWayRoadOption.OneWayColumnName);
+                 }
+                 if (!string.IsNullOrEmpty(buildRtgParameter.OneWayRoadOption.IndicatorColumnName))
+                 {
+                     requiredColumns.Add(buildRtgParameter.OneWayRoadOption.IndicatorColumnName);
+                 }
+             }
+             string speedColumn = string.Empty;
+             switch (buildRtgParameter.SpeedOption.SpeedType)
+             {
+                 case SpeedType.RoadClass:
+                     speedColumn = buildRtgParameter.SpeedOption.RoadClassColumnName;
+                     break;
+                 case SpeedType.RoadSpeed:
+                     speedColumn = buildRtgParameter.SpeedOption.SpeedColumnName;
+                     break;
+                 default:
+                     break;
+             }
+             if (!string.IsNullOrEmpty(speedColumn))
+             {
+                 requiredColumns.Add(speedColumn);
+             }
+             return requiredColumns;
+         }
+         private void ProcessOneWayRoad(BuildingRoutingDataRtgRoutingSourceEventArgs e, Feature roadFeature, Collection<string> oneWayColumns)
+         {
+             LineShape lineShape = GetLineShape(roadFeature);
+             // handled feature is one-way road
+             if (!roadFeature.ColumnValues[buildRtgParameter.OneWayRoadOption.OneWayColumnName].Equals(buildRtgParameter.OneWayRoadOption.BothWayRoadValue, StringComparison.InvariantCultureIgnoreCase))
+             {
+                 if (roadFeature.ColumnValues[buildRtgParameter.OneWayRoadOption.IndicatorColumnName].Equals(buildRtgParameter.OneWayRoadOption.FromToValue))
+                 {
+                     e.RouteSegment.StartPointAdjacentIds.Clear();
+                 }
+                 else if (roadFeature.ColumnValues[buildRtgParameter.OneWayRoadOption.IndicatorColumnName].Equals(buildRtgParameter.OneWayRoadOption.ToFromValue))
+                 {
+                     e.RouteSegment.EndPointAdjacentIds.Clear();
+                 }
+                 else if (roadFeature.ColumnValues[buildRtgParameter.OneWayRoadOption.IndicatorColumnName].Equals(buildRtgParameter.OneWayRoadOption.ClosedRoad))
+                 {
+                     e.RouteSegment.StartPointAdjacentIds.Clear();
+                     e.RouteSegment.EndPointAdjacentIds.Clear();
+                 }
+             }
+             // analysis adjacent one-way road features
+             Collection<string> removedStartPointAdjacentIds = GetRemovedAdjacentIds(e.RouteSegment.StartPointAdjacentIds, new PointShape(lineShape.Vertices[0]), oneWayColumns);
+             foreach (string id in removedStartPointAdjacentIds)
+             {
+                 e.RouteSegment.StartPointAdjacentIds.Remove(id);
+             }
+             Collection<string> removedEndPointAdjacentIds = GetRemovedAdjacentIds(e.RouteSegment.EndPointAdjacentIds, new PointShape(lineShape.Vertices[lineShape.Vertices.Count|- 1]), oneWayColumns);
+             foreach (string id in removedEndPointAdjacentIds)
+             {
+                 e.RouteSegment.EndPointAdjacentIds.Remove(id);
+             }
+         }
+         private Collection<string> GetRemovedAdjacentIds(Collection<string> adjacentIds, PointShape intersectingPoint, Collection<string> oneWayColumns)
+         {
+             Collection<string> removedIds = new Collection<string>();
+             foreach (string id in adjacentIds)
+             {
+                 Feature adjacentFeature = routableFeatureSource.GetFeatureById(id, oneWayColumns);
+                 if (!adjacentFeature.ColumnValues[buildRtgParameter.OneWayRoadOption.OneWayColumnName].Equals(buildRtgParameter.OneWayRoadOption.BothWayRoadValue, StringComparison.InvariantCultureIgnoreCase))
+                 {
+                     LineShape adjacentLineShape = GetLineShape(adjacentFeature);
+                     double distanceFromAdjacentStartToIntersecting = new PointShape(adjacentLineShape.Vertices[0]).GetDistanceTo(intersectingPoint, buildRtgParameter.GeographyUnit, buildRtgParameter.DistanceUnit);
+                     double distanceFromAdjacentEndToIntersecting = new PointShape(adjacentLineShape.Vertices[adjacentLineShape.Vertices.Count|- 1]).GetDistanceTo(intersectingPoint, buildRtgParameter.GeographyUnit, buildRtgParameter.DistanceUnit);
+                     if (distanceFromAdjacentStartToIntersecting <= distanceFromAdjacentEndToIntersecting
+                         && adjacentFeature.ColumnValues[buildRtgParameter.OneWayRoadOption.IndicatorColumnName].Equals(buildRtgParameter.OneWayRoadOption.ToFromValue))
+                     {
+                         removedIds.Add(id);
+                     }
+                     else if (distanceFromAdjacentEndToIntersecting <= distanceFromAdjacentStartToIntersecting
+                         && adjacentFeature.ColumnValues[buildRtgParameter.OneWayRoadOption.IndicatorColumnName].Equals(buildRtgParameter.OneWayRoadOption.FromToValue))
+                     {
+                         removedIds.Add(id);
+                     }
+                     else if (adjacentFeature.ColumnValues[buildRtgParameter.OneWayRoadOption.IndicatorColumnName].Equals(buildRtgParameter.OneWayRoadOption.ClosedRoad))
+                     {
+                         removedIds.Add(id);
+                     }
+                 }
+             }
+             return removedIds;
+         }
+         private float GetSpeed(String featureRoadSpeedClassValue)
+         {
+             float result = buildRtgParameter.SpeedOption.DefaultSpeed;
+             foreach (var item in buildRtgParameter.SpeedOption.RoadSpeeds)
+             {
+                 if (item.Key.Equals(featureRoadSpeedClassValue, StringComparison.OrdinalIgnoreCase))
+                 {
+                     result = (float)item.Value;
+                     break;
+                 }
+             }
+             return result;
+         }
+         private static LineShape GetLineShape(Feature lineFeature)
+         {
+             BaseShape baseShape = lineFeature.GetShape();
+             LineShape lineShape = baseShape as LineShape;
+             if (lineShape == null)
+             {
+                 MultilineShape lineShapes = ((MultilineShape)baseShape);
+                 Collection<Vertex> vertices = new Collection<Vertex>();
+                 foreach (LineShape line in lineShapes.Lines)
+                 {
+                     for (int i = 0; i < line.Vertices.Count; i++)
+                     {
+                         vertices.Add(line.Vertices[i]);
+                     }
+                 }
+                 lineShape = new LineShape(vertices);
+                 lineShape.Id = baseShape.Id;
+                 lineShape.Tag = baseShape.Tag;
+             }
+             return lineShape;
+         }
+         protected virtual void OnBuildingRouteSegment()
+         {
+             if (BuildingRouteSegment != null)
+             {
+                 BuildingRouteSegment(this, new EventArgs());
+             }
+         }
+     }
+ }
+ </code>
 ====Program.cs====
-^ Code ^
-| <source lang="csharp" line="1">  \\ using System;  \\ using System.Collections.Generic;  \\ using System.Linq;  \\ using System.Windows.Forms;  \\  \\ namespace RoutingIndexGenerator  \\ {  \\     static class Program  \\     {  \\         <nowiki>//</nowiki>/ <summary>  \\         <nowiki>//</nowiki>/ The main entry point for the application.  \\         <nowiki>//</nowiki>/ </summary>  \\         [[STAThread]]  \\         static void Main()  \\         {  \\             Application.EnableVisualStyles();  \\             Application.SetCompatibleTextRenderingDefault(false);  \\             Application.Run(new RoutingIndexGenerator());  \\         }  \\     }  \\ }  \\  \\ </source>   |
+<code csharp>
+ using System;
+ using System.Collections.Generic;
+ using System.Linq;
+ using System.Windows.Forms;
+ namespace RoutingIndexGenerator
+ {
+     static class Program
+     {
+         /// <summary>
+         /// The main entry point for the application.
+         /// </summary>
+         [STAThread]
+         static void Main()
+         {
+             Application.EnableVisualStyles();
+             Application.SetCompatibleTextRenderingDefault(false);
+             Application.Run(new RoutingIndexGenerator());
+         }
+     }
+ }
+ </code>
 ====SpeedUnit.cs====
-^ Code ^
-| <source lang="csharp" line="1">  \\  \\ namespace RoutingIndexGenerator  \\ {  \\     public enum SpeedUnit  \\     {  \\         kilometer_hour = 0,  \\         mile_hour = 1  \\     }  \\ }  \\  \\ </source>   |
+<code csharp>
+ namespace RoutingIndexGenerator
+ {
+     public enum SpeedUnit
+     {
+         kilometer_hour = 0,
+         mile_hour = 1
+     }
+ }
+ </code>
 ====SpeedType.cs====
-^ Code ^
-| <source lang="csharp" line="1">  \\  \\  \\ namespace RoutingIndexGenerator  \\ {  \\     public enum SpeedType  \\     {  \\         RoadClass = 0,  \\         RoadSpeed = 1,  \\         DefaultSpeed = 2  \\     }  \\ }  \\  \\ </source>   |
+<code csharp>
+ namespace RoutingIndexGenerator
+ {
+     public enum SpeedType
+     {
+         RoadClass = 0,
+         RoadSpeed = 1,
+         DefaultSpeed = 2
+     }
+ }
+ </code>
 ====RouteIndexType.cs====
-^ Code ^
-| <source lang="csharp" line="1">  \\  \\  \\ namespace RoutingIndexGenerator  \\ {  \\     public enum RouteIndexType  \\     {  \\         Fastest = 0,  \\         Shortest = 1  \\     }  \\ }  \\  \\  \\ </source>   |
+<code csharp>
+ namespace RoutingIndexGenerator
+ {
+     public enum RouteIndexType
+     {
+         Fastest = 0,
+         Shortest = 1
+     }
+ }
+ </code>
 ====RoadSpeedOption.cs====
-^ Code ^
-| <source lang="csharp" line="1">  \\  \\ using System.Collections.Generic;  \\  \\ namespace RoutingIndexGenerator  \\ {  \\     public class RoadSpeedOption  \\     {  \\         private SpeedUnit speedUnit;  \\         private float defaultSpeed;  \\         private SpeedType speedType;  \\         private string speedColumnName;  \\         private string roadClassColumnName;  \\         private Dictionary<string, double> roadSpeeds;  \\  \\         public RoadSpeedOption()  \\         {  \\             DefaultSpeed = 60;  \\             SpeedType = SpeedType.DefaultSpeed;  \\             SpeedUnit = SpeedUnit.kilometer_hour;  \\         }  \\  \\         public SpeedUnit SpeedUnit  \\         {  \\             get { return speedUnit; }  \\             set { speedUnit = value; }  \\         }  \\  \\         public float DefaultSpeed  \\         {  \\             get { return defaultSpeed; }  \\             set { defaultSpeed = value; }  \\         }  \\  \\         public SpeedType SpeedType  \\         {  \\             get { return speedType; }  \\             set { speedType = value; }  \\         }  \\  \\         public string SpeedColumnName  \\         {  \\             get { return speedColumnName; }  \\             set { speedColumnName = value; }  \\         }  \\  \\         public string RoadClassColumnName  \\         {  \\             get { return roadClassColumnName; }  \\             set { roadClassColumnName = value; }  \\         }  \\  \\         public Dictionary<string, double> RoadSpeeds  \\         {  \\             get  \\             {  \\                 if (roadSpeeds == null)  \\                 {  \\                     roadSpeeds = new Dictionary<string, double>();  \\                 }  \\                 return roadSpeeds;  \\             }  \\         }  \\     }  \\ }  \\  \\  \\ </source>   |
+<code csharp>
+ using System.Collections.Generic;
+ namespace RoutingIndexGenerator
+ {
+     public class RoadSpeedOption
+     {
+         private SpeedUnit speedUnit;
+         private float defaultSpeed;
+         private SpeedType speedType;
+         private string speedColumnName;
+         private string roadClassColumnName;
+         private Dictionary<string, double> roadSpeeds;
+         public RoadSpeedOption()
+         {
+             DefaultSpeed = 60;
+             SpeedType = SpeedType.DefaultSpeed;
+             SpeedUnit = SpeedUnit.kilometer_hour;
+         }
+         public SpeedUnit SpeedUnit
+         {
+             get { return speedUnit; }
+             set { speedUnit = value; }
+         }
+         public float DefaultSpeed
+         {
+             get { return defaultSpeed; }
+             set { defaultSpeed = value; }
+         }
+         public SpeedType SpeedType
+         {
+             get { return speedType; }
+             set { speedType = value; }
+         }
+         public string SpeedColumnName
+         {
+             get { return speedColumnName; }
+             set { speedColumnName = value; }
+         }
+         public string RoadClassColumnName
+         {
+             get { return roadClassColumnName; }
+             set { roadClassColumnName = value; }
+         }
+         public Dictionary<string, double> RoadSpeeds
+         {
+             get
+             {
+                 if (roadSpeeds == null)
+                 {
+                     roadSpeeds = new Dictionary<string, double>();
+                 }
+                 return roadSpeeds;
+             }
+         }
+     }
+ }
+ </code>
 ====OneWayRoadOption.cs====
-^ Code ^
-| <source lang="csharp" line="1">  \\  \\  \\ namespace RoutingIndexGenerator  \\ {  \\     public class OneWayRoadOption  \\     {  \\         private string oneWayColumnName;  \\         private string bothWayRoadValue;  \\         private string indicatorColumnName;  \\         private string fromToValue;  \\         private string toFromValue;  \\         private string closedRoad;  \\  \\         public OneWayRoadOption()  \\         { }  \\  \\         public string OneWayColumnName  \\         {  \\             get { return oneWayColumnName; }  \\             set { oneWayColumnName = value; }  \\         }  \\  \\         public string BothWayRoadValue  \\         {  \\             get { return bothWayRoadValue; }  \\             set { bothWayRoadValue = value; }  \\         }  \\  \\         public string IndicatorColumnName  \\         {  \\             get { return indicatorColumnName; }  \\             set { indicatorColumnName = value; }  \\         }  \\  \\         public string FromToValue  \\         {  \\             get { return fromToValue; }  \\             set { fromToValue = value; }  \\         }  \\  \\         public string ToFromValue  \\         {  \\             get { return toFromValue; }  \\             set { toFromValue = value; }  \\         }  \\  \\         public string ClosedRoad  \\         {  \\             get { return closedRoad; }  \\             set { closedRoad = value; }  \\         }  \\     }  \\ }  \\  \\  \\ </source>   |
+<code csharp>
+ namespace RoutingIndexGenerator
+ {
+     public class OneWayRoadOption
+     {
+         private string oneWayColumnName;
+         private string bothWayRoadValue;
+         private string indicatorColumnName;
+         private string fromToValue;
+         private string toFromValue;
+         private string closedRoad;
+         public OneWayRoadOption()
+         { }
+         public string OneWayColumnName
+         {
+             get { return oneWayColumnName; }
+             set { oneWayColumnName = value; }
+         }
+         public string BothWayRoadValue
+         {
+             get { return bothWayRoadValue; }
+             set { bothWayRoadValue = value; }
+         }
+         public string IndicatorColumnName
+         {
+             get { return indicatorColumnName; }
+             set { indicatorColumnName = value; }
+         }
+         public string FromToValue
+         {
+             get { return fromToValue; }
+             set { fromToValue = value; }
+         }
+         public string ToFromValue
+         {
+             get { return toFromValue; }
+             set { toFromValue = value; }
+         }
+         public string ClosedRoad
+         {
+             get { return closedRoad; }
+             set { closedRoad = value; }
+         }
+     }
+ }
+ </code>
-====BuildRoutingIndexParameters.cs====
-^ Code ^
-| <source lang="csharp" line="1">  \\  \\ using System.IO;  \\ using ThinkGeo.MapSuite.Core;  \\ using ThinkGeo.MapSuite.Routing;  \\  \\ namespace RoutingIndexGenerator  \\ {  \\     public class BuildRoutingIndexParameters  \\     {  \\         private BuildRoutingDataMode buildRoutingDataMode;  \\         private DistanceUnit distanceUnit;  \\         private GeographyUnit geographyUnit;  \\         private OneWayRoadOption oneWayRoadOption;  \\         private RouteIndexType routeIndexType;  \\         private string rtgFilePathName;  \\         private string shapefilePathName;  \\         private bool skipOnewayOptions;  \\         private RoadSpeedOption speedOption;  \\  \\         public BuildRoutingIndexParameters()  \\         {  \\             DistanceUnit = DistanceUnit.Meter;  \\             RouteIndexType = RouteIndexType.Shortest;  \\             GeographyUnit = GeographyUnit.DecimalDegree;  \\             BuildRoutingDataMode = BuildRoutingDataMode.Rebuild;  \\  \\             OneWayRoadOption = new OneWayRoadOption();  \\             SpeedOption = new RoadSpeedOption();  \\         }  \\  \\         public BuildRoutingDataMode BuildRoutingDataMode  \\         {  \\             get { return buildRoutingDataMode; }  \\             set { buildRoutingDataMode = value; }  \\         }  \\  \\         public DistanceUnit DistanceUnit  \\         {  \\             get { return distanceUnit; }  \\             set { distanceUnit = value; }  \\         }  \\  \\         public GeographyUnit GeographyUnit  \\         {  \\             get { return geographyUnit; }  \\             set { geographyUnit = value; }  \\         }  \\  \\         public OneWayRoadOption OneWayRoadOption  \\         {  \\             get { return oneWayRoadOption; }  \\             set { oneWayRoadOption = value; }  \\         }  \\  \\         public RouteIndexType RouteIndexType  \\         {  \\             get { return routeIndexType; }  \\             set { routeIndexType = value; }  \\         }  \\  \\         public string RtgFilePathName  \\         {  \\             get { return rtgFilePathName; }  \\             set  \\             {  \\                 rtgFilePathName = !string.IsNullOrEmpty(value) ? Path.ChangeExtension(value, ".rtg") : string.Empty;  \\             }  \\         }  \\  \\         public string ShapefilePathName  \\         {  \\             get { return shapefilePathName; }  \\             set  \\             {  \\                 shapefilePathName = value;  \\                 RtgFilePathName = Path.ChangeExtension(shapefilePathName, ".rtg");  \\             }  \\         }  \\  \\         public bool SkipOnewayOptions  \\         {  \\             get { return skipOnewayOptions; }  \\             set { skipOnewayOptions = value; }  \\         }  \\  \\         public RoadSpeedOption SpeedOption  \\         {  \\             get { return speedOption; }  \\             set { speedOption = value; }  \\         }  \\  \\         public bool CheckCanBuildIndexFile()  \\         {  \\             bool result = SpeedOption.DefaultSpeed != 0;  \\             try  \\             {  \\                 ShapeFileFeatureLayer layer = new ShapeFileFeatureLayer(ShapefilePathName);  \\                 layer.Open();  \\                 ShapeFileType fileType = layer.GetShapeFileType();  \\                 layer.Close();  \\  \\                 if (fileType != ShapeFileType.Polyline)  \\                 {  \\                     result = false;  \\                 }  \\             }  \\             catch  \\             {  \\                 result = false;  \\             }  \\  \\             if (result && string.IsNullOrEmpty(rtgFilePathName))  \\             {  \\                 result = false;  \\             }  \\             else if (result && !SkipOnewayOptions && (string.IsNullOrEmpty(OneWayRoadOption.BothWayRoadValue)  \\                 || string.IsNullOrEmpty(OneWayRoadOption.FromToValue) || string.IsNullOrEmpty(OneWayRoadOption.ToFromValue)  \\                 || string.IsNullOrEmpty(OneWayRoadOption.IndicatorColumnName) || string.IsNullOrEmpty(OneWayRoadOption.OneWayColumnName)))  \\             {  \\                 result = false;  \\             }  \\             else if ((result && SpeedOption.SpeedType == SpeedType.RoadClass)  \\                 && (string.IsNullOrEmpty(SpeedOption.RoadClassColumnName) || SpeedOption.RoadSpeeds.Count == 0))  \\             {  \\                 result = false;  \\             }  \\             else if (result && SpeedOption.SpeedType == SpeedType.RoadSpeed  \\                 && string.IsNullOrEmpty(SpeedOption.SpeedColumnName))  \\             {  \\                 result = false;  \\             }  \\  \\             return result;  \\         }  \\     }  \\ }  \\  \\ </source>   |
+====BuildRoutingIndexParameters.cs====
+<code csharp>
+ using System.IO;
+ using ThinkGeo.MapSuite.Core;
+ using ThinkGeo.MapSuite.Routing;
+ namespace RoutingIndexGenerator
+ {
+     public class BuildRoutingIndexParameters
+     {
+         private BuildRoutingDataMode buildRoutingDataMode;
+         private DistanceUnit distanceUnit;
+         private GeographyUnit geographyUnit;
+         private OneWayRoadOption oneWayRoadOption;
+         private RouteIndexType routeIndexType;
+         private string rtgFilePathName;
+         private string shapefilePathName;
+         private bool skipOnewayOptions;
+         private RoadSpeedOption speedOption;
+         public BuildRoutingIndexParameters()
+         {
+             DistanceUnit = DistanceUnit.Meter;
+             RouteIndexType = RouteIndexType.Shortest;
+             GeographyUnit = GeographyUnit.DecimalDegree;
+             BuildRoutingDataMode = BuildRoutingDataMode.Rebuild;
+             OneWayRoadOption = new OneWayRoadOption();
+             SpeedOption = new RoadSpeedOption();
+         }
+         public BuildRoutingDataMode BuildRoutingDataMode
+         {
+             get { return buildRoutingDataMode; }
+             set { buildRoutingDataMode = value; }
+         }
+         public DistanceUnit DistanceUnit
+         {
+             get { return distanceUnit; }
+             set { distanceUnit = value; }
+         }
+         public GeographyUnit GeographyUnit
+         {
+             get { return geographyUnit; }
+             set { geographyUnit = value; }
+         }
+         public OneWayRoadOption OneWayRoadOption
+         {
+             get { return oneWayRoadOption; }
+             set { oneWayRoadOption = value; }
+         }
+         public RouteIndexType RouteIndexType
+         {
+             get { return routeIndexType; }
+             set { routeIndexType = value; }
+         }
+         public string RtgFilePathName
+         {
+             get { return rtgFilePathName; }
+             set
+             {
+                 rtgFilePathName = !string.IsNullOrEmpty(value) ? Path.ChangeExtension(value, ".rtg") : string.Empty;
+             }
+         }
+         public string ShapefilePathName
+         {
+             get { return shapefilePathName; }
+             set
+             {
+                 shapefilePathName = value;
+                 RtgFilePathName = Path.ChangeExtension(shapefilePathName, ".rtg");
+             }
+         }
+         public bool SkipOnewayOptions
+         {
+             get { return skipOnewayOptions; }
+             set { skipOnewayOptions = value; }
+         }
+         public RoadSpeedOption SpeedOption
+         {
+             get { return speedOption; }
+             set { speedOption = value; }
+         }
+         public bool CheckCanBuildIndexFile()
+         {
+             bool result = SpeedOption.DefaultSpeed != 0;
+             try
+             {
+                 ShapeFileFeatureLayer layer = new ShapeFileFeatureLayer(ShapefilePathName);
+                 layer.Open();
+                 ShapeFileType fileType = layer.GetShapeFileType();
+                 layer.Close();
+                 if (fileType != ShapeFileType.Polyline)
+                 {
+                     result = false;
+                 }
+             }
+             catch
+             {
+                 result = false;
+             }
+             if (result && string.IsNullOrEmpty(rtgFilePathName))
+             {
+                 result = false;
+             }
+             else if (result && !SkipOnewayOptions && (string.IsNullOrEmpty(OneWayRoadOption.BothWayRoadValue)
+                 || string.IsNullOrEmpty(OneWayRoadOption.FromToValue) || string.IsNullOrEmpty(OneWayRoadOption.ToFromValue)
+                 || string.IsNullOrEmpty(OneWayRoadOption.IndicatorColumnName) || string.IsNullOrEmpty(OneWayRoadOption.OneWayColumnName)))
+             {
+                 result = false;
+             }
+             else if ((result && SpeedOption.SpeedType == SpeedType.RoadClass)
+                 && (string.IsNullOrEmpty(SpeedOption.RoadClassColumnName) || SpeedOption.RoadSpeeds.Count == 0))
+             {
+                 result = false;
+             }
+             else if (result && SpeedOption.SpeedType == SpeedType.RoadSpeed
+                 && string.IsNullOrEmpty(SpeedOption.SpeedColumnName))
+             {
+                 result = false;
+             }
+             return result;
+         }
+     }
+ }
+ </code>

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