About the Route application using the NAServer extension in ArcGIS Server via a GIS server Sample
[C#]
Route_GISServerAPIClass.cs
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.OleDb;
using System.Xml;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Server;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Location;
using ESRI.ArcGIS.NetworkAnalyst;
using System.Collections.Specialized;
namespace Route_GISServerAPI
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class Route_GISServerAPIClass : System.Windows.Forms.Form
{
#region Window Controls Declaration
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.TextBox txtServer;
private System.Windows.Forms.TextBox txtService;
private System.Windows.Forms.PictureBox pictureBox;
private System.Windows.Forms.GroupBox fraINASolverSettings;
private System.Windows.Forms.ComboBox cboUturnPolicy;
private System.Windows.Forms.Label label11;
private System.Windows.Forms.Label label7;
private System.Windows.Forms.CheckedListBox chklstAccumulateAttributes;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.CheckedListBox chklstRestrictions;
private System.Windows.Forms.ComboBox cboImpedance;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.CheckBox chkIgnoreInvalidLocations;
private System.Windows.Forms.ComboBox cboNALayers;
private System.Windows.Forms.Label label10;
private System.Windows.Forms.Label label8;
private System.Windows.Forms.Label label9;
private System.Windows.Forms.CheckBox chkReturnMap;
private System.Windows.Forms.Button cmdSolve;
private System.Windows.Forms.ComboBox cboSnapToleranceUnits;
private System.Windows.Forms.TextBox txtMaxSnapTolerance;
private System.Windows.Forms.TextBox txtSnapTolerance;
private System.Windows.Forms.Label label20;
private System.Windows.Forms.Label label21;
private System.Windows.Forms.Label label22;
private System.Windows.Forms.CheckBox chkPreserveFirst;
private System.Windows.Forms.CheckBox chkBestOrder;
private System.Windows.Forms.ComboBox cboRouteDirectionsLengthUnits;
private System.Windows.Forms.CheckBox chkReturnRoutes;
private System.Windows.Forms.CheckBox chkReturnRouteGeometries;
private System.Windows.Forms.CheckBox chkReturnStops;
private System.Windows.Forms.CheckBox chkReturnDirections;
private System.Windows.Forms.ComboBox cboRouteOutputLines;
private System.Windows.Forms.CheckBox chkUseTimeWindows;
private System.Windows.Forms.CheckBox chkPreserveLast;
private System.Windows.Forms.ComboBox cboRouteDirectionsTimeAttribute;
private System.Windows.Forms.GroupBox fraINARouteSolver;
private System.Windows.Forms.GroupBox fraINAServerRouteParams;
private System.Windows.Forms.TabControl tabCtrlOutput;
private System.Windows.Forms.TabPage tabReturnStopsFeatures;
private System.Windows.Forms.TabPage tabReturnBarrierFeatures;
private System.Windows.Forms.TabPage tabReturnDirections;
private System.Windows.Forms.TabPage tabReturnRouteFeatures;
private System.Windows.Forms.DataGrid dataGridRouteFeatures;
private System.Windows.Forms.DataGrid dataGridStopFeatures;
private System.Windows.Forms.DataGrid dataGridBarrierFeatures;
private System.Windows.Forms.TabPage tabReturnMap;
private System.Windows.Forms.TabPage tabReturnRouteGeometry;
private System.Windows.Forms.TreeView treeViewRouteGeometry;
private System.Windows.Forms.TreeView treeViewDirections;
private System.Windows.Forms.CheckBox checkReturnBarriers;
private System.Windows.Forms.Label label6;
private System.Windows.Forms.CheckBox chkUseHierarchy;
private System.Windows.Forms.ComboBox cboStopsLayers;
private System.Windows.Forms.Button cmdConnect;
private System.Windows.Forms.CheckBox chkUseStartTime;
private System.Windows.Forms.TextBox txtStartTime;
private System.Windows.Forms.GroupBox fraINAServerSolverParams;
#endregion
public Route_GISServerAPIClass()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.txtServer = new System.Windows.Forms.TextBox();
this.txtService = new System.Windows.Forms.TextBox();
this.cmdSolve = new System.Windows.Forms.Button();
this.pictureBox = new System.Windows.Forms.PictureBox();
this.fraINASolverSettings = new System.Windows.Forms.GroupBox();
this.chkIgnoreInvalidLocations = new System.Windows.Forms.CheckBox();
this.cboUturnPolicy = new System.Windows.Forms.ComboBox();
this.label11 = new System.Windows.Forms.Label();
this.label7 = new System.Windows.Forms.Label();
this.chklstAccumulateAttributes = new System.Windows.Forms.CheckedListBox();
this.label5 = new System.Windows.Forms.Label();
this.chklstRestrictions = new System.Windows.Forms.CheckedListBox();
this.cboImpedance = new System.Windows.Forms.ComboBox();
this.label4 = new System.Windows.Forms.Label();
this.chkUseHierarchy = new System.Windows.Forms.CheckBox();
this.fraINAServerSolverParams = new System.Windows.Forms.GroupBox();
this.chkReturnMap = new System.Windows.Forms.CheckBox();
this.cboSnapToleranceUnits = new System.Windows.Forms.ComboBox();
this.cboNALayers = new System.Windows.Forms.ComboBox();
this.label10 = new System.Windows.Forms.Label();
this.label8 = new System.Windows.Forms.Label();
this.txtMaxSnapTolerance = new System.Windows.Forms.TextBox();
this.txtSnapTolerance = new System.Windows.Forms.TextBox();
this.label9 = new System.Windows.Forms.Label();
this.fraINARouteSolver = new System.Windows.Forms.GroupBox();
this.label20 = new System.Windows.Forms.Label();
this.cboRouteOutputLines = new System.Windows.Forms.ComboBox();
this.chkUseTimeWindows = new System.Windows.Forms.CheckBox();
this.chkPreserveLast = new System.Windows.Forms.CheckBox();
this.chkPreserveFirst = new System.Windows.Forms.CheckBox();
this.chkBestOrder = new System.Windows.Forms.CheckBox();
this.chkUseStartTime = new System.Windows.Forms.CheckBox();
this.txtStartTime = new System.Windows.Forms.TextBox();
this.fraINAServerRouteParams = new System.Windows.Forms.GroupBox();
this.cboStopsLayers = new System.Windows.Forms.ComboBox();
this.label6 = new System.Windows.Forms.Label();
this.checkReturnBarriers = new System.Windows.Forms.CheckBox();
this.cboRouteDirectionsTimeAttribute = new System.Windows.Forms.ComboBox();
this.label21 = new System.Windows.Forms.Label();
this.cboRouteDirectionsLengthUnits = new System.Windows.Forms.ComboBox();
this.label22 = new System.Windows.Forms.Label();
this.chkReturnRoutes = new System.Windows.Forms.CheckBox();
this.chkReturnRouteGeometries = new System.Windows.Forms.CheckBox();
this.chkReturnStops = new System.Windows.Forms.CheckBox();
this.chkReturnDirections = new System.Windows.Forms.CheckBox();
this.cmdConnect = new System.Windows.Forms.Button();
this.tabCtrlOutput = new System.Windows.Forms.TabControl();
this.tabReturnMap = new System.Windows.Forms.TabPage();
this.tabReturnRouteFeatures = new System.Windows.Forms.TabPage();
this.dataGridRouteFeatures = new System.Windows.Forms.DataGrid();
this.tabReturnBarrierFeatures = new System.Windows.Forms.TabPage();
this.dataGridBarrierFeatures = new System.Windows.Forms.DataGrid();
this.tabReturnStopsFeatures = new System.Windows.Forms.TabPage();
this.dataGridStopFeatures = new System.Windows.Forms.DataGrid();
this.tabReturnDirections = new System.Windows.Forms.TabPage();
this.treeViewDirections = new System.Windows.Forms.TreeView();
this.tabReturnRouteGeometry = new System.Windows.Forms.TabPage();
this.treeViewRouteGeometry = new System.Windows.Forms.TreeView();
((System.ComponentModel.ISupportInitialize)(this.pictureBox)).BeginInit();
this.fraINASolverSettings.SuspendLayout();
this.fraINAServerSolverParams.SuspendLayout();
this.fraINARouteSolver.SuspendLayout();
this.fraINAServerRouteParams.SuspendLayout();
this.tabCtrlOutput.SuspendLayout();
this.tabReturnMap.SuspendLayout();
this.tabReturnRouteFeatures.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.dataGridRouteFeatures)).BeginInit();
this.tabReturnBarrierFeatures.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.dataGridBarrierFeatures)).BeginInit();
this.tabReturnStopsFeatures.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.dataGridStopFeatures)).BeginInit();
this.tabReturnDirections.SuspendLayout();
this.tabReturnRouteGeometry.SuspendLayout();
this.SuspendLayout();
//
// label1
//
this.label1.Location = new System.Drawing.Point(8, 24);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(120, 16);
this.label1.TabIndex = 0;
this.label1.Text = "ArcGIS Server";
//
// label2
//
this.label2.Location = new System.Drawing.Point(8, 48);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(120, 16);
this.label2.TabIndex = 1;
this.label2.Text = "Map Server Object";
//
// txtServer
//
this.txtServer.Location = new System.Drawing.Point(128, 16);
this.txtServer.Name = "txtServer";
this.txtServer.Size = new System.Drawing.Size(192, 20);
this.txtServer.TabIndex = 0;
this.txtServer.Text = "<Enter ArcGIS Server Name>";
//
// txtService
//
this.txtService.Location = new System.Drawing.Point(128, 40);
this.txtService.Name = "txtService";
this.txtService.Size = new System.Drawing.Size(192, 20);
this.txtService.TabIndex = 1;
this.txtService.Text = "<Enter ArcGIS Map Server Object>";
//
// cmdSolve
//
this.cmdSolve.Enabled = false;
this.cmdSolve.Location = new System.Drawing.Point(232, 568);
this.cmdSolve.Name = "cmdSolve";
this.cmdSolve.Size = new System.Drawing.Size(200, 32);
this.cmdSolve.TabIndex = 29;
this.cmdSolve.Text = "Find Route";
this.cmdSolve.Click += new System.EventHandler(this.cmdSolve_Click);
//
// pictureBox
//
this.pictureBox.BackColor = System.Drawing.Color.White;
this.pictureBox.Location = new System.Drawing.Point(8, 8);
this.pictureBox.Name = "pictureBox";
this.pictureBox.Size = new System.Drawing.Size(448, 456);
this.pictureBox.TabIndex = 20;
this.pictureBox.TabStop = false;
//
// fraINASolverSettings
//
this.fraINASolverSettings.Controls.Add(this.chkIgnoreInvalidLocations);
this.fraINASolverSettings.Controls.Add(this.cboUturnPolicy);
this.fraINASolverSettings.Controls.Add(this.label11);
this.fraINASolverSettings.Controls.Add(this.label7);
this.fraINASolverSettings.Controls.Add(this.chklstAccumulateAttributes);
this.fraINASolverSettings.Controls.Add(this.label5);
this.fraINASolverSettings.Controls.Add(this.chklstRestrictions);
this.fraINASolverSettings.Controls.Add(this.cboImpedance);
this.fraINASolverSettings.Controls.Add(this.label4);
this.fraINASolverSettings.Controls.Add(this.chkUseHierarchy);
this.fraINASolverSettings.Enabled = false;
this.fraINASolverSettings.Location = new System.Drawing.Point(8, 176);
this.fraINASolverSettings.Name = "fraINASolverSettings";
this.fraINASolverSettings.Size = new System.Drawing.Size(424, 192);
this.fraINASolverSettings.TabIndex = 70;
this.fraINASolverSettings.TabStop = false;
this.fraINASolverSettings.Text = "INASolverSettings";
//
// chkIgnoreInvalidLocations
//
this.chkIgnoreInvalidLocations.Location = new System.Drawing.Point(16, 80);
this.chkIgnoreInvalidLocations.Name = "chkIgnoreInvalidLocations";
this.chkIgnoreInvalidLocations.Size = new System.Drawing.Size(144, 21);
this.chkIgnoreInvalidLocations.TabIndex = 10;
this.chkIgnoreInvalidLocations.Text = "Ignore Invalid Locations";
//
// cboUturnPolicy
//
this.cboUturnPolicy.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboUturnPolicy.Location = new System.Drawing.Point(128, 48);
this.cboUturnPolicy.Name = "cboUturnPolicy";
this.cboUturnPolicy.Size = new System.Drawing.Size(280, 21);
this.cboUturnPolicy.TabIndex = 9;
//
// label11
//
this.label11.Location = new System.Drawing.Point(16, 56);
this.label11.Name = "label11";
this.label11.Size = new System.Drawing.Size(88, 16);
this.label11.TabIndex = 73;
this.label11.Text = "Allow U-Turns";
//
// label7
//
this.label7.Location = new System.Drawing.Point(216, 104);
this.label7.Name = "label7";
this.label7.Size = new System.Drawing.Size(120, 16);
this.label7.TabIndex = 72;
this.label7.Text = "Accumulate Attributes";
//
// chklstAccumulateAttributes
//
this.chklstAccumulateAttributes.CheckOnClick = true;
this.chklstAccumulateAttributes.Location = new System.Drawing.Point(216, 120);
this.chklstAccumulateAttributes.Name = "chklstAccumulateAttributes";
this.chklstAccumulateAttributes.ScrollAlwaysVisible = true;
this.chklstAccumulateAttributes.Size = new System.Drawing.Size(192, 64);
this.chklstAccumulateAttributes.TabIndex = 13;
//
// label5
//
this.label5.Location = new System.Drawing.Point(16, 104);
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(72, 16);
this.label5.TabIndex = 70;
this.label5.Text = "Restrictions";
//
// chklstRestrictions
//
this.chklstRestrictions.CheckOnClick = true;
this.chklstRestrictions.Location = new System.Drawing.Point(16, 120);
this.chklstRestrictions.Name = "chklstRestrictions";
this.chklstRestrictions.ScrollAlwaysVisible = true;
this.chklstRestrictions.Size = new System.Drawing.Size(192, 64);
this.chklstRestrictions.TabIndex = 12;
//
// cboImpedance
//
this.cboImpedance.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboImpedance.Location = new System.Drawing.Point(128, 24);
this.cboImpedance.Name = "cboImpedance";
this.cboImpedance.Size = new System.Drawing.Size(280, 21);
this.cboImpedance.TabIndex = 8;
//
// label4
//
this.label4.Location = new System.Drawing.Point(16, 24);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(64, 16);
this.label4.TabIndex = 67;
this.label4.Text = "Impedance";
//
// chkUseHierarchy
//
this.chkUseHierarchy.Checked = true;
this.chkUseHierarchy.CheckState = System.Windows.Forms.CheckState.Checked;
this.chkUseHierarchy.Location = new System.Drawing.Point(216, 80);
this.chkUseHierarchy.Name = "chkUseHierarchy";
this.chkUseHierarchy.Size = new System.Drawing.Size(96, 21);
this.chkUseHierarchy.TabIndex = 11;
this.chkUseHierarchy.Text = "Use Hierarchy";
//
// fraINAServerSolverParams
//
this.fraINAServerSolverParams.Controls.Add(this.chkReturnMap);
this.fraINAServerSolverParams.Controls.Add(this.cboSnapToleranceUnits);
this.fraINAServerSolverParams.Controls.Add(this.cboNALayers);
this.fraINAServerSolverParams.Controls.Add(this.label10);
this.fraINAServerSolverParams.Controls.Add(this.label8);
this.fraINAServerSolverParams.Controls.Add(this.txtMaxSnapTolerance);
this.fraINAServerSolverParams.Controls.Add(this.txtSnapTolerance);
this.fraINAServerSolverParams.Controls.Add(this.label9);
this.fraINAServerSolverParams.Enabled = false;
this.fraINAServerSolverParams.Location = new System.Drawing.Point(8, 72);
this.fraINAServerSolverParams.Name = "fraINAServerSolverParams";
this.fraINAServerSolverParams.Size = new System.Drawing.Size(424, 96);
this.fraINAServerSolverParams.TabIndex = 71;
this.fraINAServerSolverParams.TabStop = false;
this.fraINAServerSolverParams.Text = "INAServerSolverParams";
//
// chkReturnMap
//
this.chkReturnMap.Checked = true;
this.chkReturnMap.CheckState = System.Windows.Forms.CheckState.Checked;
this.chkReturnMap.Location = new System.Drawing.Point(8, 72);
this.chkReturnMap.Name = "chkReturnMap";
this.chkReturnMap.Size = new System.Drawing.Size(96, 16);
this.chkReturnMap.TabIndex = 7;
this.chkReturnMap.Text = "Return Map";
//
// cboSnapToleranceUnits
//
this.cboSnapToleranceUnits.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboSnapToleranceUnits.Location = new System.Drawing.Point(240, 48);
this.cboSnapToleranceUnits.Name = "cboSnapToleranceUnits";
this.cboSnapToleranceUnits.Size = new System.Drawing.Size(168, 21);
this.cboSnapToleranceUnits.TabIndex = 6;
//
// cboNALayers
//
this.cboNALayers.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboNALayers.Location = new System.Drawing.Point(128, 24);
this.cboNALayers.Name = "cboNALayers";
this.cboNALayers.Size = new System.Drawing.Size(280, 21);
this.cboNALayers.TabIndex = 3;
this.cboNALayers.SelectedIndexChanged += new System.EventHandler(this.cboNALayers_SelectedIndexChanged);
//
// label10
//
this.label10.Location = new System.Drawing.Point(168, 56);
this.label10.Name = "label10";
this.label10.Size = new System.Drawing.Size(16, 16);
this.label10.TabIndex = 72;
this.label10.Text = "to";
//
// label8
//
this.label8.Location = new System.Drawing.Point(8, 24);
this.label8.Name = "label8";
this.label8.Size = new System.Drawing.Size(128, 16);
this.label8.TabIndex = 71;
this.label8.Text = "NALayer Name";
//
// txtMaxSnapTolerance
//
this.txtMaxSnapTolerance.Location = new System.Drawing.Point(192, 48);
this.txtMaxSnapTolerance.Name = "txtMaxSnapTolerance";
this.txtMaxSnapTolerance.Size = new System.Drawing.Size(40, 20);
this.txtMaxSnapTolerance.TabIndex = 5;
this.txtMaxSnapTolerance.Text = "50";
//
// txtSnapTolerance
//
this.txtSnapTolerance.Location = new System.Drawing.Point(128, 48);
this.txtSnapTolerance.Name = "txtSnapTolerance";
this.txtSnapTolerance.Size = new System.Drawing.Size(32, 20);
this.txtSnapTolerance.TabIndex = 4;
this.txtSnapTolerance.Text = "2";
//
// label9
//
this.label9.Location = new System.Drawing.Point(8, 48);
this.label9.Name = "label9";
this.label9.Size = new System.Drawing.Size(104, 16);
this.label9.TabIndex = 68;
this.label9.Text = "Search Tolerance";
//
// fraINARouteSolver
//
this.fraINARouteSolver.Controls.Add(this.label20);
this.fraINARouteSolver.Controls.Add(this.cboRouteOutputLines);
this.fraINARouteSolver.Controls.Add(this.chkUseTimeWindows);
this.fraINARouteSolver.Controls.Add(this.chkPreserveLast);
this.fraINARouteSolver.Controls.Add(this.chkPreserveFirst);
this.fraINARouteSolver.Controls.Add(this.chkBestOrder);
this.fraINARouteSolver.Controls.Add(this.chkUseStartTime);
this.fraINARouteSolver.Controls.Add(this.txtStartTime);
this.fraINARouteSolver.Enabled = false;
this.fraINARouteSolver.Location = new System.Drawing.Point(232, 376);
this.fraINARouteSolver.Name = "fraINARouteSolver";
this.fraINARouteSolver.Size = new System.Drawing.Size(200, 184);
this.fraINARouteSolver.TabIndex = 76;
this.fraINARouteSolver.TabStop = false;
this.fraINARouteSolver.Text = "INARouteSolver";
//
// label20
//
this.label20.Location = new System.Drawing.Point(8, 136);
this.label20.Name = "label20";
this.label20.Size = new System.Drawing.Size(40, 16);
this.label20.TabIndex = 53;
this.label20.Text = "Shape";
//
// cboRouteOutputLines
//
this.cboRouteOutputLines.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboRouteOutputLines.ItemHeight = 13;
this.cboRouteOutputLines.Location = new System.Drawing.Point(8, 152);
this.cboRouteOutputLines.Name = "cboRouteOutputLines";
this.cboRouteOutputLines.Size = new System.Drawing.Size(184, 21);
this.cboRouteOutputLines.TabIndex = 28;
//
// chkUseTimeWindows
//
this.chkUseTimeWindows.Location = new System.Drawing.Point(8, 80);
this.chkUseTimeWindows.Name = "chkUseTimeWindows";
this.chkUseTimeWindows.Size = new System.Drawing.Size(128, 16);
this.chkUseTimeWindows.TabIndex = 25;
this.chkUseTimeWindows.Text = "Use Time Windows";
//
// chkPreserveLast
//
this.chkPreserveLast.Location = new System.Drawing.Point(24, 56);
this.chkPreserveLast.Name = "chkPreserveLast";
this.chkPreserveLast.Size = new System.Drawing.Size(96, 16);
this.chkPreserveLast.TabIndex = 24;
this.chkPreserveLast.Text = "PreserveLast";
//
// chkPreserveFirst
//
this.chkPreserveFirst.Location = new System.Drawing.Point(24, 40);
this.chkPreserveFirst.Name = "chkPreserveFirst";
this.chkPreserveFirst.Size = new System.Drawing.Size(104, 16);
this.chkPreserveFirst.TabIndex = 23;
this.chkPreserveFirst.Text = "Preserve First";
//
// chkBestOrder
//
this.chkBestOrder.Location = new System.Drawing.Point(8, 24);
this.chkBestOrder.Name = "chkBestOrder";
this.chkBestOrder.Size = new System.Drawing.Size(112, 16);
this.chkBestOrder.TabIndex = 22;
this.chkBestOrder.Text = "Find Best Order";
this.chkBestOrder.CheckedChanged += new System.EventHandler(this.chkBestOrder_CheckedChanged);
//
// chkUseStartTime
//
this.chkUseStartTime.Location = new System.Drawing.Point(8, 96);
this.chkUseStartTime.Name = "chkUseStartTime";
this.chkUseStartTime.Size = new System.Drawing.Size(104, 16);
this.chkUseStartTime.TabIndex = 26;
this.chkUseStartTime.Text = "Use Start Time";
this.chkUseStartTime.CheckedChanged += new System.EventHandler(this.chkUseStartTime_CheckedChanged);
//
// txtStartTime
//
this.txtStartTime.Enabled = false;
this.txtStartTime.Location = new System.Drawing.Point(24, 112);
this.txtStartTime.Name = "txtStartTime";
this.txtStartTime.Size = new System.Drawing.Size(168, 20);
this.txtStartTime.TabIndex = 27;
//
// fraINAServerRouteParams
//
this.fraINAServerRouteParams.Controls.Add(this.cboStopsLayers);
this.fraINAServerRouteParams.Controls.Add(this.label6);
this.fraINAServerRouteParams.Controls.Add(this.checkReturnBarriers);
this.fraINAServerRouteParams.Controls.Add(this.cboRouteDirectionsTimeAttribute);
this.fraINAServerRouteParams.Controls.Add(this.label21);
this.fraINAServerRouteParams.Controls.Add(this.cboRouteDirectionsLengthUnits);
this.fraINAServerRouteParams.Controls.Add(this.label22);
this.fraINAServerRouteParams.Controls.Add(this.chkReturnRoutes);
this.fraINAServerRouteParams.Controls.Add(this.chkReturnRouteGeometries);
this.fraINAServerRouteParams.Controls.Add(this.chkReturnStops);
this.fraINAServerRouteParams.Controls.Add(this.chkReturnDirections);
this.fraINAServerRouteParams.Enabled = false;
this.fraINAServerRouteParams.Location = new System.Drawing.Point(8, 376);
this.fraINAServerRouteParams.Name = "fraINAServerRouteParams";
this.fraINAServerRouteParams.Size = new System.Drawing.Size(216, 224);
this.fraINAServerRouteParams.TabIndex = 75;
this.fraINAServerRouteParams.TabStop = false;
this.fraINAServerRouteParams.Text = "INAServerRouteParams";
//
// cboStopsLayers
//
this.cboStopsLayers.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboStopsLayers.Location = new System.Drawing.Point(80, 24);
this.cboStopsLayers.Name = "cboStopsLayers";
this.cboStopsLayers.Size = new System.Drawing.Size(128, 21);
this.cboStopsLayers.TabIndex = 14;
//
// label6
//
this.label6.Location = new System.Drawing.Point(8, 32);
this.label6.Name = "label6";
this.label6.Size = new System.Drawing.Size(64, 16);
this.label6.TabIndex = 81;
this.label6.Text = "Input Stops";
//
// checkReturnBarriers
//
this.checkReturnBarriers.Checked = true;
this.checkReturnBarriers.CheckState = System.Windows.Forms.CheckState.Checked;
this.checkReturnBarriers.Location = new System.Drawing.Point(16, 96);
this.checkReturnBarriers.Name = "checkReturnBarriers";
this.checkReturnBarriers.Size = new System.Drawing.Size(136, 16);
this.checkReturnBarriers.TabIndex = 17;
this.checkReturnBarriers.Text = "Returns Barriers";
//
// cboRouteDirectionsTimeAttribute
//
this.cboRouteDirectionsTimeAttribute.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboRouteDirectionsTimeAttribute.ItemHeight = 13;
this.cboRouteDirectionsTimeAttribute.Location = new System.Drawing.Point(56, 184);
this.cboRouteDirectionsTimeAttribute.Name = "cboRouteDirectionsTimeAttribute";
this.cboRouteDirectionsTimeAttribute.Size = new System.Drawing.Size(152, 21);
this.cboRouteDirectionsTimeAttribute.TabIndex = 21;
//
// label21
//
this.label21.Location = new System.Drawing.Point(8, 192);
this.label21.Name = "label21";
this.label21.Size = new System.Drawing.Size(48, 16);
this.label21.TabIndex = 52;
this.label21.Text = "Dir Time";
//
// cboRouteDirectionsLengthUnits
//
this.cboRouteDirectionsLengthUnits.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboRouteDirectionsLengthUnits.ItemHeight = 13;
this.cboRouteDirectionsLengthUnits.Location = new System.Drawing.Point(56, 160);
this.cboRouteDirectionsLengthUnits.Name = "cboRouteDirectionsLengthUnits";
this.cboRouteDirectionsLengthUnits.Size = new System.Drawing.Size(152, 21);
this.cboRouteDirectionsLengthUnits.TabIndex = 20;
//
// label22
//
this.label22.Location = new System.Drawing.Point(8, 168);
this.label22.Name = "label22";
this.label22.Size = new System.Drawing.Size(56, 16);
this.label22.TabIndex = 50;
this.label22.Text = "Dir Units";
//
// chkReturnRoutes
//
this.chkReturnRoutes.Checked = true;
this.chkReturnRoutes.CheckState = System.Windows.Forms.CheckState.Checked;
this.chkReturnRoutes.Location = new System.Drawing.Point(16, 80);
this.chkReturnRoutes.Name = "chkReturnRoutes";
this.chkReturnRoutes.Size = new System.Drawing.Size(96, 16);
this.chkReturnRoutes.TabIndex = 16;
this.chkReturnRoutes.Text = "Return Routes";
//
// chkReturnRouteGeometries
//
this.chkReturnRouteGeometries.Checked = true;
this.chkReturnRouteGeometries.CheckState = System.Windows.Forms.CheckState.Checked;
this.chkReturnRouteGeometries.Location = new System.Drawing.Point(16, 64);
this.chkReturnRouteGeometries.Name = "chkReturnRouteGeometries";
this.chkReturnRouteGeometries.Size = new System.Drawing.Size(152, 16);
this.chkReturnRouteGeometries.TabIndex = 15;
this.chkReturnRouteGeometries.Text = "Return Route Geometries";
//
// chkReturnStops
//
this.chkReturnStops.Checked = true;
this.chkReturnStops.CheckState = System.Windows.Forms.CheckState.Checked;
this.chkReturnStops.Location = new System.Drawing.Point(16, 112);
this.chkReturnStops.Name = "chkReturnStops";
this.chkReturnStops.Size = new System.Drawing.Size(96, 16);
this.chkReturnStops.TabIndex = 18;
this.chkReturnStops.Text = "Return Stops";
//
// chkReturnDirections
//
this.chkReturnDirections.Checked = true;
this.chkReturnDirections.CheckState = System.Windows.Forms.CheckState.Checked;
this.chkReturnDirections.Location = new System.Drawing.Point(16, 128);
this.chkReturnDirections.Name = "chkReturnDirections";
this.chkReturnDirections.Size = new System.Drawing.Size(160, 16);
this.chkReturnDirections.TabIndex = 19;
this.chkReturnDirections.Text = "Generate Directions";
//
// cmdConnect
//
this.cmdConnect.Location = new System.Drawing.Point(328, 16);
this.cmdConnect.Name = "cmdConnect";
this.cmdConnect.Size = new System.Drawing.Size(96, 40);
this.cmdConnect.TabIndex = 2;
this.cmdConnect.Text = "Connect";
this.cmdConnect.Click += new System.EventHandler(this.cmdConnect_Click);
//
// tabCtrlOutput
//
this.tabCtrlOutput.Controls.Add(this.tabReturnMap);
this.tabCtrlOutput.Controls.Add(this.tabReturnRouteFeatures);
this.tabCtrlOutput.Controls.Add(this.tabReturnBarrierFeatures);
this.tabCtrlOutput.Controls.Add(this.tabReturnStopsFeatures);
this.tabCtrlOutput.Controls.Add(this.tabReturnDirections);
this.tabCtrlOutput.Controls.Add(this.tabReturnRouteGeometry);
this.tabCtrlOutput.Enabled = false;
this.tabCtrlOutput.Location = new System.Drawing.Point(440, 80);
this.tabCtrlOutput.Name = "tabCtrlOutput";
this.tabCtrlOutput.SelectedIndex = 0;
this.tabCtrlOutput.Size = new System.Drawing.Size(472, 496);
this.tabCtrlOutput.TabIndex = 30;
//
// tabReturnMap
//
this.tabReturnMap.Controls.Add(this.pictureBox);
this.tabReturnMap.Location = new System.Drawing.Point(4, 22);
this.tabReturnMap.Name = "tabReturnMap";
this.tabReturnMap.Size = new System.Drawing.Size(464, 470);
this.tabReturnMap.TabIndex = 0;
this.tabReturnMap.Text = "Map";
//
// tabReturnRouteFeatures
//
this.tabReturnRouteFeatures.Controls.Add(this.dataGridRouteFeatures);
this.tabReturnRouteFeatures.Location = new System.Drawing.Point(4, 22);
this.tabReturnRouteFeatures.Name = "tabReturnRouteFeatures";
this.tabReturnRouteFeatures.Size = new System.Drawing.Size(464, 470);
this.tabReturnRouteFeatures.TabIndex = 4;
this.tabReturnRouteFeatures.Text = "Route Features";
//
// dataGridRouteFeatures
//
this.dataGridRouteFeatures.DataMember = "";
this.dataGridRouteFeatures.HeaderForeColor = System.Drawing.SystemColors.ControlText;
this.dataGridRouteFeatures.Location = new System.Drawing.Point(8, 8);
this.dataGridRouteFeatures.Name = "dataGridRouteFeatures";
this.dataGridRouteFeatures.Size = new System.Drawing.Size(448, 456);
this.dataGridRouteFeatures.TabIndex = 0;
//
// tabReturnBarrierFeatures
//
this.tabReturnBarrierFeatures.Controls.Add(this.dataGridBarrierFeatures);
this.tabReturnBarrierFeatures.Location = new System.Drawing.Point(4, 22);
this.tabReturnBarrierFeatures.Name = "tabReturnBarrierFeatures";
this.tabReturnBarrierFeatures.Size = new System.Drawing.Size(464, 470);
this.tabReturnBarrierFeatures.TabIndex = 3;
this.tabReturnBarrierFeatures.Text = "Barrier Features";
//
// dataGridBarrierFeatures
//
this.dataGridBarrierFeatures.DataMember = "";
this.dataGridBarrierFeatures.HeaderForeColor = System.Drawing.SystemColors.ControlText;
this.dataGridBarrierFeatures.Location = new System.Drawing.Point(8, 8);
this.dataGridBarrierFeatures.Name = "dataGridBarrierFeatures";
this.dataGridBarrierFeatures.Size = new System.Drawing.Size(448, 456);
this.dataGridBarrierFeatures.TabIndex = 0;
//
// tabReturnStopsFeatures
//
this.tabReturnStopsFeatures.Controls.Add(this.dataGridStopFeatures);
this.tabReturnStopsFeatures.Location = new System.Drawing.Point(4, 22);
this.tabReturnStopsFeatures.Name = "tabReturnStopsFeatures";
this.tabReturnStopsFeatures.Size = new System.Drawing.Size(464, 470);
this.tabReturnStopsFeatures.TabIndex = 2;
this.tabReturnStopsFeatures.Text = "Stop Features";
//
// dataGridStopFeatures
//
this.dataGridStopFeatures.DataMember = "";
this.dataGridStopFeatures.HeaderForeColor = System.Drawing.SystemColors.ControlText;
this.dataGridStopFeatures.Location = new System.Drawing.Point(8, 8);
this.dataGridStopFeatures.Name = "dataGridStopFeatures";
this.dataGridStopFeatures.Size = new System.Drawing.Size(448, 456);
this.dataGridStopFeatures.TabIndex = 0;
//
// tabReturnDirections
//
this.tabReturnDirections.Controls.Add(this.treeViewDirections);
this.tabReturnDirections.Location = new System.Drawing.Point(4, 22);
this.tabReturnDirections.Name = "tabReturnDirections";
this.tabReturnDirections.Size = new System.Drawing.Size(464, 470);
this.tabReturnDirections.TabIndex = 1;
this.tabReturnDirections.Text = "Directions";
//
// treeViewDirections
//
this.treeViewDirections.Location = new System.Drawing.Point(8, 8);
this.treeViewDirections.Name = "treeViewDirections";
this.treeViewDirections.Size = new System.Drawing.Size(448, 456);
this.treeViewDirections.TabIndex = 69;
//
// tabReturnRouteGeometry
//
this.tabReturnRouteGeometry.Controls.Add(this.treeViewRouteGeometry);
this.tabReturnRouteGeometry.Location = new System.Drawing.Point(4, 22);
this.tabReturnRouteGeometry.Name = "tabReturnRouteGeometry";
this.tabReturnRouteGeometry.Size = new System.Drawing.Size(464, 470);
this.tabReturnRouteGeometry.TabIndex = 5;
this.tabReturnRouteGeometry.Text = "Route Geometry";
//
// treeViewRouteGeometry
//
this.treeViewRouteGeometry.Location = new System.Drawing.Point(8, 8);
this.treeViewRouteGeometry.Name = "treeViewRouteGeometry";
this.treeViewRouteGeometry.Size = new System.Drawing.Size(448, 456);
this.treeViewRouteGeometry.TabIndex = 1;
//
// Route_GISServerAPIClass
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(936, 606);
this.Controls.Add(this.tabCtrlOutput);
this.Controls.Add(this.fraINARouteSolver);
this.Controls.Add(this.fraINAServerRouteParams);
this.Controls.Add(this.fraINAServerSolverParams);
this.Controls.Add(this.fraINASolverSettings);
this.Controls.Add(this.txtService);
this.Controls.Add(this.txtServer);
this.Controls.Add(this.cmdSolve);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.cmdConnect);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
this.Name = "Route_GISServerAPIClass";
this.Text = "NAServer - Route GIS Server API Sample";
this.Load += new System.EventHandler(this.Form1_Load);
((System.ComponentModel.ISupportInitialize)(this.pictureBox)).EndInit();
this.fraINASolverSettings.ResumeLayout(false);
this.fraINAServerSolverParams.ResumeLayout(false);
this.fraINAServerSolverParams.PerformLayout();
this.fraINARouteSolver.ResumeLayout(false);
this.fraINARouteSolver.PerformLayout();
this.fraINAServerRouteParams.ResumeLayout(false);
this.tabCtrlOutput.ResumeLayout(false);
this.tabReturnMap.ResumeLayout(false);
this.tabReturnRouteFeatures.ResumeLayout(false);
((System.ComponentModel.ISupportInitialize)(this.dataGridRouteFeatures)).EndInit();
this.tabReturnBarrierFeatures.ResumeLayout(false);
((System.ComponentModel.ISupportInitialize)(this.dataGridBarrierFeatures)).EndInit();
this.tabReturnStopsFeatures.ResumeLayout(false);
((System.ComponentModel.ISupportInitialize)(this.dataGridStopFeatures)).EndInit();
this.tabReturnDirections.ResumeLayout(false);
this.tabReturnRouteGeometry.ResumeLayout(false);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
if (!ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.Engine))
{
if (!ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.Desktop))
{
System.Console.WriteLine("This application could not load the correct version of ArcGIS.");
return;
}
}
LicenseInitializer aoLicenseInitializer = new LicenseInitializer();
//ESRI License Initializer generated code.
if (!aoLicenseInitializer.InitializeApplication(
new esriLicenseProductCode[] { esriLicenseProductCode.esriLicenseProductCodeArcView, esriLicenseProductCode.esriLicenseProductCodeArcEditor, esriLicenseProductCode.esriLicenseProductCodeArcInfo },
new esriLicenseExtensionCode[] { }))
{
System.Console.WriteLine(aoLicenseInitializer.LicenseMessage());
System.Console.WriteLine("This application could not initialize with the correct ArcGIS license and will shutdown.");
aoLicenseInitializer.ShutdownApplication();
return;
}
Application.Run(new Route_GISServerAPIClass());
//ESRI License Initializer generated code.
//Do not make any call to ArcObjects after ShutDownApplication()
aoLicenseInitializer.ShutdownApplication();
}
/// <summary>
/// This function
/// - sets the server and solver parameters
/// - populates the stops NALocations
/// - gets and displays the server results (map, directions, etc.)
/// </summary>
private void cmdSolve_Click(object sender, System.EventArgs e)
{
this.Cursor = Cursors.WaitCursor;
IServerContext serverContext = null;
try
{
// Get ServerContext and NAServer
serverContext = GetMapServerContext();
INAServer naServer = GetNAServer(serverContext);
// Get SolverParams
INAServerSolverParams solverParams = naServer.GetSolverParameters(cboNALayers.Text) as INAServerSolverParams;
// Set Solver params
SetINASolverSettings(solverParams as INASolverSettings);
SetSolverSpecificInterface(solverParams);
SetServerSolverParams(solverParams as INAServerSolverParams, serverContext);
// Load Locations
LoadLocations(solverParams, serverContext);
//Solve the Route
INAServerSolverResults solverResults = null;
solverResults = naServer.Solve(solverParams);
//Get NAServer results in the tab controls
OutputResults(solverParams, solverResults);
}
catch (Exception exception)
{
MessageBox.Show(exception.Message, "An error has occurred");
}
finally
{
// Release the ServerContext
if (serverContext != null)
serverContext.ReleaseContext();
}
this.Cursor = Cursors.Default;
}
/// <summary>
/// This function
/// - connects to the ArcGIS Server and MapServer
/// - sets all controls for the first route network analysis layer
/// </summary>
private void cmdConnect_Click(object sender, System.EventArgs e)
{
GetNetworkAnalysisLayers();
}
/// <summary>
/// This function gets the MapServer context reference being created on the ArcGIS Server
/// </summary>
private IServerContext GetMapServerContext()
{
try
{
IGISServerConnection gisServerCon = null;
IServerObjectManager som = null;
//Connect to ArcGIS Server
gisServerCon = new GISServerConnectionClass();
gisServerCon.Connect(txtServer.Text);
// Create a MapServer object on the GIS server and return its reference
som = gisServerCon.ServerObjectManager;
return som.CreateServerContext(txtService.Text, "MapServer");
}
catch (Exception exception)
{
throw (new Exception("Error when connecting to the ArcGIS Server/MapServer Object" + "\nMessage: " + exception.Message));
}
}
/// <summary>
/// This function gets NAServer object extension from the MapServer context
/// </summary>
private INAServer GetNAServer(IServerContext serverContext)
{
try
{
if (serverContext == null)
throw (new Exception("Error when getting the Network Analyst Server Object" + "\n Message: The MapServer Context is null."));
// Get the NAServer
IMapServer mapServer = serverContext.ServerObject as IMapServer;
IServerObjectExtensionManager soex = mapServer as IServerObjectExtensionManager;
IServerObjectExtension sext = soex.FindExtensionByTypeName("NAServer");
return sext as INAServer;
}
catch (Exception exception)
{
throw (new Exception("Error when getting to the Network Analyst Server Object" + "\nMessage: " + exception.Message));
}
}
/// <summary>
/// This function
/// - gets all route network analysis layers
/// - selects the first route network analysis layer
/// - sets all controls for this route network analysis layer
/// </summary>
private void GetNetworkAnalysisLayers()
{
this.Cursor = Cursors.WaitCursor;
IServerContext serverContext = null;
try
{
// Get ServerContext and NAServer
serverContext = GetMapServerContext();
INAServer naServer = GetNAServer(serverContext);
// Enable Frame
fraINAServerSolverParams.Enabled = true;
//Get Route NA layer names
cboNALayers.Items.Clear();
string[] naLayers = naServer.GetNALayerNames(esriNAServerLayerType.esriNAServerRouteLayer);
for (int i = 0; i < naLayers.Length; i++)
{
cboNALayers.Items.Add(naLayers[i]);
}
// Select the first NA Layer name
if (cboNALayers.Items.Count > 0)
cboNALayers.SelectedIndex = 0;
else
MessageBox.Show("There is no Network Analyst layer associated with this MapServer object!", "NAServer - Route Sample", System.Windows.Forms.MessageBoxButtons.OK);
}
catch (Exception exception)
{
MessageBox.Show(exception.Message, "An error has occurred");
}
finally
{
// Release the ServerContext
if (serverContext != null)
serverContext.ReleaseContext();
this.Cursor = Cursors.Default;
}
}
/// <summary>
/// This function sets all controls for the selected route network analysis layer
/// </summary>
private void cboNALayers_SelectedIndexChanged(object sender, System.EventArgs e)
{
string naLayerName = cboNALayers.Text;
// Enable Solve Button
cmdSolve.Enabled = (naLayerName.Length == 0);
if (naLayerName.Length == 0)
return;
this.Cursor = Cursors.WaitCursor;
IServerContext serverContext = null;
try
{
// Get ServerContext and NAServer
serverContext = GetMapServerContext();
INAServer naServer = GetNAServer(serverContext);
INAServerSolverParams solverParams = naServer.GetSolverParameters(naLayerName);
INAServerNetworkDescription networkDescription = naServer.GetNetworkDescription(naLayerName);
// Setup default properties
GetINASolverSettings(networkDescription, solverParams as INASolverSettings2);
GetSolverSpecificInterface(solverParams);
GetServerSolverParams(networkDescription, solverParams as INAServerSolverParams);
// Get all point feature layers form the ServerContext
GetInputStopsLayers(serverContext);
// Make frames enable
MakeFramesEnabled(solverParams);
// Hide Tabs
HideTabs();
cmdSolve.Enabled = true;
}
catch (Exception exception)
{
MessageBox.Show(exception.Message, "An error has occurred");
}
finally
{
// Release the ServerContext
if (serverContext != null)
serverContext.ReleaseContext();
this.Cursor = Cursors.Default;
}
}
/// <summary>
/// Get Default NASolverSettings controls (Cost Attributes, Restrictions Attributes. etc.)
/// </summary>
private void GetINASolverSettings(INAServerNetworkDescription networkDescription, INASolverSettings2 solverSettings)
{
int ImpedanceIndex = 0;
//Get Attributes
cboImpedance.Items.Clear();
chklstAccumulateAttributes.Items.Clear();
chklstRestrictions.Items.Clear();
cboUturnPolicy.SelectedIndex = -1;
INAServerNetworkAttribute[] attributes = networkDescription.NetworkAttributes;
IStringArray accumulateAttributeNames = solverSettings.AccumulateAttributeNames;
IStringArray restrictionAttributeNames = solverSettings.RestrictionAttributeNames;
for (int i = 0; i < attributes.Length; i++)
{
INAServerNetworkAttribute networkAttribute = attributes[i];
string networkAttributeName = networkAttribute.Name;
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
chklstAccumulateAttributes.Items.Add(networkAttributeName, IsStringInStringArray(networkAttributeName, accumulateAttributeNames));
int index = cboImpedance.Items.Add(networkAttribute.Name + " (" + networkAttribute.Units.ToString().Substring(7) + ")");
if (networkAttributeName == solverSettings.ImpedanceAttributeName)
ImpedanceIndex = index;
}
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTRestriction)
{
chklstRestrictions.Items.Add(networkAttribute.Name, IsStringInStringArray(networkAttributeName, restrictionAttributeNames));
}
}
if (cboImpedance.Items.Count > 0)
cboImpedance.SelectedIndex = ImpedanceIndex;
chkUseHierarchy.Checked = solverSettings.UseHierarchy;
chkUseHierarchy.Enabled = solverSettings.HierarchyAttributeName.Length > 0;
chkIgnoreInvalidLocations.Checked = solverSettings.IgnoreInvalidLocations;
cboUturnPolicy.SelectedIndex = System.Convert.ToInt32(solverSettings.RestrictUTurns);
}
private bool IsStringInStringArray(string inputString, IStringArray stringArray)
{
int numInArray = stringArray.Count;
for (int i = 0; i < numInArray; i++)
{
if (inputString.Equals(stringArray.get_Element(i)))
return true;
}
return false;
}
/// <summary>
/// Set Default route solver controls (BestOrder, UseTimeWindows, UseStartTime, etc.)
/// </summary>
private void GetSolverSpecificInterface(INAServerSolverParams solverParams)
{
INARouteSolver2 routeSolver = solverParams as INARouteSolver2;
if (routeSolver != null)
{
chkBestOrder.Checked = routeSolver.FindBestSequence;
chkPreserveFirst.Checked = routeSolver.PreserveFirstStop;
chkPreserveLast.Checked = routeSolver.PreserveLastStop;
if (chkBestOrder.Checked == true)
{
this.chkPreserveFirst.Enabled = true;
this.chkPreserveLast.Enabled = true;
}
else
{
this.chkPreserveFirst.Enabled = false;
this.chkPreserveLast.Enabled = false;
}
chkUseTimeWindows.Checked = routeSolver.UseTimeWindows;
chkUseStartTime.Checked = routeSolver.UseStartTime;
if (chkUseStartTime.Checked)
{
txtStartTime.Enabled = true;
txtStartTime.Text = routeSolver.StartTime.ToString();
}
else
{
txtStartTime.Enabled = false;
txtStartTime.Text = System.DateTime.Now.ToString();
}
cboRouteOutputLines.SelectedIndex = System.Convert.ToInt32(routeSolver.OutputLines);
}
}
/// <summary>
/// Get all point feature layers from the ServerContext
/// Add them in the "Input Stops" drop down list
/// </summary>
private void GetInputStopsLayers(IServerContext serverContext)
{
IMapServer mapServer = serverContext.ServerObject as IMapServer;
IMapServerObjects mapServerObjects = mapServer as IMapServerObjects;
IMap map = mapServerObjects.get_Map(mapServer.DefaultMapName);
IEnumLayer layers = map.get_Layers(null, true);
layers.Reset();
ILayer layer;
while ((layer = layers.Next()) != null)
{
IFeatureLayer featureLayer = layer as IFeatureLayer;
if (
featureLayer != null
&& !(featureLayer.FeatureClass is INAClass)
&& featureLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPoint
)
cboStopsLayers.Items.Add(featureLayer.Name);
}
// Add <None> at the end in case the user does not want to load Stop Location from a Feature Layer
cboStopsLayers.Items.Add("<None>");
cboStopsLayers.SelectedIndex = 0;
}
/// <summary>
/// Get ServerSolverParams controls (ReturnMap, SnapTolerance, etc.)
/// </summary>
private void GetServerSolverParams(INAServerNetworkDescription networkDescription, INAServerSolverParams solverParams)
{
chkReturnMap.Checked = true;
txtSnapTolerance.Text = solverParams.SnapTolerance.ToString();
txtMaxSnapTolerance.Text = solverParams.MaxSnapTolerance.ToString();
cboSnapToleranceUnits.SelectedIndex = Convert.ToInt32(solverParams.SnapToleranceUnits);
//Set Route Defaults
chkReturnRouteGeometries.Checked = false;
chkReturnRoutes.Checked = true;
chkReturnStops.Checked = true;
chkReturnDirections.Checked = true;
checkReturnBarriers.Checked = true;
//Set Directions Defaults
cboRouteDirectionsTimeAttribute.Items.Clear();
INAServerNetworkAttribute[] attributes = networkDescription.NetworkAttributes;
for (int i = 0; i < attributes.Length; i++)
{
INAServerNetworkAttribute networkAttribute = attributes[i];
if (networkAttribute.UsageType == esriNetworkAttributeUsageType.esriNAUTCost)
{
if (String.Compare(networkAttribute.Units.ToString(), "esriNAUMinutes") == 0)
{
cboRouteDirectionsTimeAttribute.Items.Add(networkAttribute.Name);
}
}
}
// Set the default direction settings
INAServerRouteParams routeParams = solverParams as INAServerRouteParams;
if (routeParams != null)
{
cboRouteDirectionsLengthUnits.Text = routeParams.DirectionsLengthUnits.ToString().Substring(7);
//Select the first time attribute
if (cboRouteDirectionsTimeAttribute.Items.Count > 0)
cboRouteDirectionsTimeAttribute.Text = routeParams.DirectionsTimeAttributeName;
}
}
/// <summary>
/// Set general solver settings (Impedance, Restrictions, Accumulates, etc.)
/// </summary>
private void SetINASolverSettings(INASolverSettings solverSettings)
{
solverSettings.ImpedanceAttributeName = ExtractImpedanceName(cboImpedance.Text);
IStringArray restrictionAttributes = solverSettings.RestrictionAttributeNames;
restrictionAttributes.RemoveAll();
for (int i = 0; i < chklstRestrictions.CheckedItems.Count; i++)
restrictionAttributes.Add(chklstRestrictions.Items[chklstRestrictions.CheckedIndices[i]].ToString());
solverSettings.RestrictionAttributeNames = restrictionAttributes;
IStringArray accumulateAttributes = solverSettings.AccumulateAttributeNames;
accumulateAttributes.RemoveAll();
for (int i = 0; i < chklstAccumulateAttributes.CheckedItems.Count; i++)
accumulateAttributes.Add(chklstAccumulateAttributes.Items[chklstAccumulateAttributes.CheckedIndices[i]].ToString());
solverSettings.AccumulateAttributeNames = accumulateAttributes;
solverSettings.RestrictUTurns = (esriNetworkForwardStarBacktrack)cboUturnPolicy.SelectedIndex;
solverSettings.IgnoreInvalidLocations = chkIgnoreInvalidLocations.Checked;
solverSettings.UseHierarchy = chkUseHierarchy.Checked;
}
/// <summary>
/// Set specific solver settings (FindBestSequence, UseTimeWindows, etc.)
/// </summary>
private void SetSolverSpecificInterface(INAServerSolverParams solverParams)
{
INARouteSolver2 routeSolver = solverParams as INARouteSolver2;
if (routeSolver != null)
{
routeSolver.FindBestSequence = chkBestOrder.Checked;
routeSolver.PreserveFirstStop = chkPreserveFirst.Checked;
routeSolver.PreserveLastStop = chkPreserveLast.Checked;
routeSolver.UseTimeWindows = chkUseTimeWindows.Checked;
routeSolver.OutputLines = (esriNAOutputLineType)cboRouteOutputLines.SelectedIndex;
routeSolver.UseStartTime = chkUseStartTime.Checked;
if (routeSolver.UseStartTime == true)
routeSolver.StartTime = System.Convert.ToDateTime(txtStartTime.Text.ToString());
}
}
/// <summary>
/// Set server solver paramaters (ReturnMap, SnapTolerance, etc.)
/// </summary>
private void SetServerSolverParams(INAServerSolverParams solverParams, IServerContext serverContext)
{
solverParams.ReturnMap = chkReturnMap.Checked;
solverParams.SnapTolerance = Convert.ToDouble(txtSnapTolerance.Text);
solverParams.MaxSnapTolerance = Convert.ToDouble(txtMaxSnapTolerance.Text);
solverParams.SnapToleranceUnits = (esriUnits)cboSnapToleranceUnits.SelectedIndex;
solverParams.ImageDescription.Display.Width = pictureBox.Width;
solverParams.ImageDescription.Display.Height = pictureBox.Height;
// This code shows how to specify the output spatial reference in order to get the map
// in a different spatial reference than the Network Dataset
//IESRISpatialReferenceGEN sr = serverContext.CreateObject("esriGeometry.GeographicCoordinateSystem") as IESRISpatialReferenceGEN;
//int read;
//sr.ImportFromESRISpatialReference("GEOGCS[GCS_North_American_1983,DATUM[D_North_American_1983,SPHEROID[GRS_1980,6378137.0,298.257222101]],PRIMEM[Greenwich,0.0],UNIT[Degree,0.0174532925199433]]", out read);
//solverParams.OutputSpatialReference = sr as ISpatialReference;
INAServerRouteParams routeParams = solverParams as INAServerRouteParams;
if (routeParams != null)
{
routeParams.ReturnRouteGeometries = chkReturnRouteGeometries.Checked;
routeParams.ReturnRoutes = chkReturnRoutes.Checked;
routeParams.ReturnStops = chkReturnStops.Checked;
routeParams.ReturnBarriers = checkReturnBarriers.Checked;
routeParams.ReturnDirections = chkReturnDirections.Checked;
routeParams.DirectionsLengthUnits = GetstringToesriUnits(cboRouteDirectionsLengthUnits.Text);
routeParams.DirectionsTimeAttributeName = cboRouteDirectionsTimeAttribute.Text;
}
}
/// <summary>
/// Make frames Enabled
/// </summary>
private void MakeFramesEnabled(INAServerSolverParams solverParams)
{
fraINARouteSolver.Enabled = ((solverParams as INAServerRouteParams) != null);
fraINAServerRouteParams.Enabled = ((solverParams as INAServerRouteParams) != null);
fraINASolverSettings.Enabled = ((solverParams as INAServerRouteParams) != null);
}
/// <summary>
/// Load form
/// </summary>
private void Form1_Load(object sender, System.EventArgs e)
{
cboUturnPolicy.Items.Add("Nowhere");
cboUturnPolicy.Items.Add("Everywhere");
cboUturnPolicy.Items.Add("Only at Dead Ends");
cboSnapToleranceUnits.Items.Add("Unknown Units");
cboSnapToleranceUnits.Items.Add("Inches");
cboSnapToleranceUnits.Items.Add("Points");
cboSnapToleranceUnits.Items.Add("Feet");
cboSnapToleranceUnits.Items.Add("Yards");
cboSnapToleranceUnits.Items.Add("Miles");
cboSnapToleranceUnits.Items.Add("Nautical Miles");
cboSnapToleranceUnits.Items.Add("Millimeters");
cboSnapToleranceUnits.Items.Add("Centimeters");
cboSnapToleranceUnits.Items.Add("Meters");
cboSnapToleranceUnits.Items.Add("Kilometers");
cboSnapToleranceUnits.Items.Add("DecimalDegrees");
cboSnapToleranceUnits.Items.Add("Decimeters");
// Route
cboRouteOutputLines.Items.Add("None");
cboRouteOutputLines.Items.Add("Straight Line");
cboRouteOutputLines.Items.Add("True Shape");
cboRouteOutputLines.Items.Add("True Shape With Ms");
cboRouteDirectionsLengthUnits.Items.Add("Feet");
cboRouteDirectionsLengthUnits.Items.Add("Yards");
cboRouteDirectionsLengthUnits.Items.Add("Miles");
cboRouteDirectionsLengthUnits.Items.Add("Meters");
cboRouteDirectionsLengthUnits.Items.Add("Kilometers");
if (txtServer.Text != "" && txtServer.Text != "<Enter ArcGIS Server Name>"
&& txtService.Text != "" && txtService.Text != "<Enter ArcGIS Map Server Object>")
GetNetworkAnalysisLayers();
}
/// <summary>
/// This function shows how to populate stop locations using two different options:
/// 1) From Record Set using a Point Feature Class - Uncommented
/// 2) From an Array of PropertySets - Commented out
/// Uncomment the option, you would like to use
/// </summary>
private void LoadLocations(INAServerSolverParams solverParams, IServerContext serverContext)
{
// Begin Option 1
IRecordSet recSet = null;
// Get Input Stops Feature Class from the MapServer
// Do not create Stops if <NONE> is selected
if (cboStopsLayers.Text.ToUpper() != "<NONE>")
{
//Get the feature class to load in
IMapServer mapServer = serverContext.ServerObject as IMapServer;
IMapServerObjects mapServerObjects = mapServer as IMapServerObjects;
IMap map = mapServerObjects.get_Map(mapServer.DefaultMapName);
IFeatureClass featureClass = null;
IEnumLayer layers = map.get_Layers(null, true);
layers.Reset();
ILayer layer;
while ((layer = layers.Next()) != null)
if (layer.Name.ToUpper() == cboStopsLayers.Text.ToUpper())
{
IFeatureLayer featureLayer = layer as IFeatureLayer;
featureClass = featureLayer.FeatureClass;
break;
}
if (featureClass == null)
throw (new Exception("Could not find the input stops layer " + cboStopsLayers.Text));
recSet = serverContext.CreateObject("esriGeodatabase.RecordSet") as IRecordSet;
IQueryFilter queryFilter = serverContext.CreateObject("esriGeodatabase.QueryFilter") as IQueryFilter;
queryFilter.SubFields = "*";
IRecordSetInit recSetInit = recSet as IRecordSetInit;
recSetInit.SetSourceTable(featureClass as ITable, queryFilter);
}
INAServerRouteParams routeParams = solverParams as INAServerRouteParams;
INAServerRecordSet stopsRecSet = serverContext.CreateObject("esriNetworkAnalyst.NAServerRecordSet") as INAServerRecordSet;
stopsRecSet.RecordSet = recSet;
if (routeParams != null && recSet != null)
routeParams.Stops = stopsRecSet;
// End Option 1
// Begin Option 2
/*
IPropertySetArray propSets = serverContext.CreateObject("esriSystem.PropertySetArray") as IPropertySetArray;
// Set first point
pPropSets.Add(CreateLocationPropertySet(serverContext, "Stop 1", -122.49024904900, 37.74811940430, null));
// Set second point
propSets.Add(CreateLocationPropertySet(serverContext, "Stop 2", -122.43083365400, 37.75396354490, null));
// Create NAServerPropertySets
INAServerPropertySets stopsPropSets = serverContext.CreateObject("esriNetworkAnalyst.NAServerPropertySets") as INAServerPropertySets;
stopsPropSets.PropertySets = propSets;
// Pass the Stops PropertySets
INAServerRouteParams routeParams = solverParams as INAServerRouteParams;
routeParams.Stops = stopsPropSets;
*/
// End Option 2
}
/// <summary>
/// Output Results Messages, Map, Route Geometries, Directions
/// </summary>
private void OutputResults(INAServerSolverParams solverParams, INAServerSolverResults solverResults)
{
string messagesSolverResults = "";
// Output Solve messages
IGPMessages gpMessages = solverResults.SolveMessages;
if (gpMessages != null)
{
for (int i = 0; i < gpMessages.Count; i++)
{
IGPMessage gpMessage = gpMessages.GetMessage(i);
messagesSolverResults += "\n" + gpMessage.Description;
}
}
// Uncomment the following section to output the total impedance of each route in a MessageBox
//INAServerRouteResults routeSolverResults = solverResults as INAServerRouteResults;
//if (routeSolverResults != null)
//{
// for (int i = 0; i < routeSolverResults.TotalImpedances.GetLength(0); i++)
// {
// messagesSolverResults += "\nTotal Impedance for Route[" + (i + 1) + "] = ";
// messagesSolverResults += routeSolverResults.TotalImpedances[i].ToString("f");
// messagesSolverResults += " " + ExtractImpedanceUnits(cboImpedance.Text).ToLower();
// }
//}
// Show a message box displaying both solver messages and total_impedance per route
if (messagesSolverResults.Length > 0)
MessageBox.Show(messagesSolverResults, "NAServer Route Results");
//Output Map
pictureBox.Image = null;
if (solverParams.ReturnMap)
{
IMapImage mapImage = solverResults.MapImage;
if ((mapImage != null) && (mapImage.MimeData != null))
pictureBox.Image = System.Drawing.Image.FromStream(new System.IO.MemoryStream(mapImage.MimeData));
}
pictureBox.Refresh();
if (((solverParams as INAServerRouteParams) != null) && ((solverResults as INAServerRouteResults) != null))
OutputRouteResults(solverParams as INAServerRouteParams, solverResults as INAServerRouteResults);
}
/// <summary>
/// Output Route Results according to the NAServerRouteParams
/// </summary>
private void OutputRouteResults(INAServerRouteParams solverParams, INAServerRouteResults solverResults)
{
// Return Directions if generated
if (solverParams.ReturnDirections)
{
AddTabAndControl(this.tabReturnDirections, this.treeViewDirections);
OutputDirections(solverResults.Directions);
}
else
this.tabCtrlOutput.TabPages.Remove(this.tabReturnDirections);
// Return Route Geometries if generated
if (solverParams.ReturnRouteGeometries)
{
AddTabAndControl(this.tabReturnRouteGeometry, this.treeViewRouteGeometry);
OutputPolylines(solverResults.RouteGeometries);
}
else
this.tabCtrlOutput.TabPages.Remove(this.tabReturnRouteGeometry);
// Return Route Features as RecordSet
if (solverParams.ReturnRoutes)
{
AddTabAndControl(this.tabReturnRouteFeatures, this.dataGridRouteFeatures);
OutputRecSetToDataGrid(solverResults.Routes, dataGridRouteFeatures);
}
else
this.tabCtrlOutput.TabPages.Remove(this.tabReturnRouteFeatures);
// Return Stop Features as RecordSet
if (solverParams.ReturnStops)
{
AddTabAndControl(this.tabReturnStopsFeatures, this.dataGridStopFeatures);
OutputRecSetToDataGrid(solverResults.Stops, dataGridStopFeatures);
}
else
this.tabCtrlOutput.TabPages.Remove(this.tabReturnStopsFeatures);
// Return Barrier Features as RecordSet
if (solverParams.ReturnBarriers)
{
AddTabAndControl(this.tabReturnBarrierFeatures, this.dataGridBarrierFeatures);
OutputRecSetToDataGrid(solverResults.Barriers, dataGridBarrierFeatures);
}
else
this.tabCtrlOutput.TabPages.Remove(this.tabReturnBarrierFeatures);
// Make TabControlOuput enable
tabCtrlOutput.Enabled = true;
}
/// <summary>
/// Output Route Geometries (Polylines) in a TreeView control
/// </summary>
private void OutputPolylines(IPolyline[] polylines)
{
// Suppress repainting the TreeView until all the objects have been created.
treeViewRouteGeometry.BeginUpdate();
// Clear the TreeView each time the method is called.
treeViewRouteGeometry.Nodes.Clear();
for (int i = 0; i < polylines.Length; i++)
{
TreeNode newNode = new TreeNode("Polyline Length for Route [" + (i + 1) + "] = " + polylines[i].Length.ToString());
treeViewRouteGeometry.Nodes.Add(newNode);
IPointCollection pointCollection = polylines[i] as IPointCollection;
for (int j = 0; j < pointCollection.PointCount - 1; j++)
{
IPoint point = pointCollection.get_Point(j);
treeViewRouteGeometry.Nodes[i].Nodes.Add(new TreeNode("Point [" + (j + 1) + "]: " + point.X + "," + point.Y));
}
}
// Check if Route Geometry has been generated
if (polylines.Length == 0)
{
TreeNode newNode = new TreeNode("Route Geometry not generated");
treeViewRouteGeometry.Nodes.Add(newNode);
}
// Begin repainting the TreeView.
treeViewRouteGeometry.ExpandAll();
treeViewRouteGeometry.EndUpdate();
}
/// <summary>
/// Output Directions if a TreeView control
/// </summary>
private void OutputDirections(INAStreetDirections[] serverDirections)
{
// Suppress repainting the TreeView until all the objects have been created.
treeViewDirections.BeginUpdate();
// Clear the TreeView each time the method is called.
treeViewDirections.Nodes.Clear();
for (int i = 0; i < serverDirections.Length; i++)
{
// get Directions from the ith route
INAStreetDirections directions;
directions = serverDirections[i];
// get Summary (Total Distance and Time)
INAStreetDirection direction = directions.Summary;
string totallength = null, totaltime = null;
for (int k = 0; k < direction.StringCount; k++)
{
if (direction.get_StringType(k) == esriDirectionsStringType.esriDSTLength)
totallength = direction.get_String(k);
if (direction.get_StringType(k) == esriDirectionsStringType.esriDSTTime)
totaltime = direction.get_String(k);
}
// Add a Top a Node with the Route number and Total Distance and Total Time
TreeNode newNode = new TreeNode("Directions for Route [" + (i + 1) + "] - Total Distance: " + totallength + " Total Time: " + totaltime);
treeViewDirections.Nodes.Add(newNode);
// Then add a node for each step-by-step directions
for (int directionIndex = 0; directionIndex < directions.DirectionCount; directionIndex++)
{
direction = directions.get_Direction(directionIndex);
for (int stringIndex = 0; stringIndex < direction.StringCount; stringIndex++)
{
if (direction.get_StringType(stringIndex) == esriDirectionsStringType.esriDSTGeneral ||
direction.get_StringType(stringIndex) == esriDirectionsStringType.esriDSTDepart ||
direction.get_StringType(stringIndex) == esriDirectionsStringType.esriDSTArrive)
treeViewDirections.Nodes[i].Nodes.Add(new TreeNode(direction.get_String(stringIndex)));
}
}
}
// Check if Directions have been generated
if (serverDirections.Length == 0)
{
TreeNode newNode = new TreeNode("Directions not generated");
treeViewDirections.Nodes.Add(newNode);
}
// Begin repainting the TreeView.
treeViewDirections.ExpandAll();
treeViewDirections.EndUpdate();
}
/// <summary>
/// Generic function to output RecordSet (Stops, Barriers, or Routes) in a DataDrid Control
/// </summary>
private void OutputRecSetToDataGrid(IRecordSet recSet, System.Windows.Forms.DataGrid OutDataGrid)
{
IFields fields = recSet.Fields;
DataSet dataSet = new DataSet("dataSet");
DataTable dataTable = new DataTable("Results");
dataSet.Tables.Add(dataTable);
// Get Field Names
DataColumn dataColumn = null;
for (int f = 0; f < fields.FieldCount; f++)
{
dataColumn = new DataColumn(fields.get_Field(f).Name.ToString());
dataTable.Columns.Add(dataColumn);
}
// Populate DataGrid rows by RecordSet
DataRow newDataRow;
ICursor cur = recSet.get_Cursor(false);
IRow row = cur.NextRow();
if (row != null)
{
while (row != null)
{
newDataRow = dataTable.NewRow();
for (int l = 0; l < row.Fields.FieldCount; l++)
{
newDataRow[l] = row.get_Value(l).ToString();
}
dataTable.Rows.Add(newDataRow);
row = cur.NextRow();
}
}
OutDataGrid.SetDataBinding(dataSet, "Results");
OutDataGrid.Visible = true;
}
/// <summary>
/// Enable the startTime control
/// </summary>
private void chkUseStartTime_CheckedChanged(object sender, System.EventArgs e)
{
if (chkUseStartTime.Checked == true)
txtStartTime.Enabled = true;
else
txtStartTime.Enabled = false;
}
/// <summary>
/// Enable chkPreserveFirst and chkPreserveFirst controls
/// </summary>
private void chkBestOrder_CheckedChanged(object sender, System.EventArgs e)
{
if (chkBestOrder.Checked == true)
{
this.chkPreserveFirst.Enabled = true;
this.chkPreserveLast.Enabled = true;
}
else
{
this.chkPreserveFirst.Enabled = false;
this.chkPreserveLast.Enabled = false;
}
}
/// <summary>
/// Create a property set for NALocation
/// </summary>
private IPropertySet CreateLocationPropertySet(IServerContext serverContext, string name, object X, object Y, ISpatialReference sr)
{
IPropertySet propSet = serverContext.CreateObject("esriSystem.PropertySet") as IPropertySet;
propSet.SetProperty("Name", name);
propSet.SetProperty("X", X);
propSet.SetProperty("Y", Y);
propSet.SetProperty("SpatialReference", sr);
return propSet;
}
/// <summary>
/// Helper function to convert a string unit (e.g Miles) to an esriNetworkAnalystUnits (e.g esriNAUMiles)
/// </summary>
private esriNetworkAttributeUnits GetstringToesriUnits(string stresriUnits)
{
switch (stresriUnits.ToLower())
{
case "inches": return esriNetworkAttributeUnits.esriNAUInches;
case "feet": return esriNetworkAttributeUnits.esriNAUFeet;
case "yards": return esriNetworkAttributeUnits.esriNAUYards;
case "miles": return esriNetworkAttributeUnits.esriNAUMiles;
case "nautical miles": return esriNetworkAttributeUnits.esriNAUNauticalMiles;
case "millimeters": return esriNetworkAttributeUnits.esriNAUMillimeters;
case "centimeters": return esriNetworkAttributeUnits.esriNAUCentimeters;
case "meters": return esriNetworkAttributeUnits.esriNAUMeters;
case "kilometers": return esriNetworkAttributeUnits.esriNAUKilometers;
case "decimal degrees": return esriNetworkAttributeUnits.esriNAUDecimalDegrees;
case "decimeters": return esriNetworkAttributeUnits.esriNAUDecimeters;
case "seconds": return esriNetworkAttributeUnits.esriNAUSeconds;
case "minutes": return esriNetworkAttributeUnits.esriNAUMinutes;
case "hours": return esriNetworkAttributeUnits.esriNAUHours;
case "days": return esriNetworkAttributeUnits.esriNAUDays;
case "unknown": return esriNetworkAttributeUnits.esriNAUUnknown;
default: return esriNetworkAttributeUnits.esriNAUUnknown;
}
}
/// <summary>
/// Helper function to extract the impedance name in a string like "impedancename (impedanceunits)"
/// </summary>
private string ExtractImpedanceName(string impedanceUnits)
{
int firstIndex = impedanceUnits.LastIndexOf(" ");
int lastIndex = impedanceUnits.Length;
return impedanceUnits.Remove(firstIndex, (lastIndex - firstIndex));
}
/// <summary>
/// Helper function to extract the impedance unit in a string like "impedancename (impedanceunits)"
/// </summary>
private string ExtractImpedanceUnits(string impedanceUnits)
{
int firstIndex = impedanceUnits.LastIndexOf("(") + 1;
int lastIndex = impedanceUnits.LastIndexOf(")");
return impedanceUnits.Substring(firstIndex, (lastIndex - firstIndex));
}
/// <summary>
/// Hide tabs
/// </summary>
private void HideTabs()
{
// remove tabs initially - There are added when the result is returned.
this.tabCtrlOutput.TabPages.Remove(this.tabReturnDirections);
this.tabCtrlOutput.TabPages.Remove(this.tabReturnStopsFeatures);
this.tabCtrlOutput.TabPages.Remove(this.tabReturnBarrierFeatures);
this.tabCtrlOutput.TabPages.Remove(this.tabReturnRouteGeometry);
this.tabCtrlOutput.TabPages.Remove(this.tabReturnRouteFeatures);
}
/// <summary>
//// Add a tab page and a tab control
/// </summary>
private void AddTabAndControl(TabPage tabPage, System.Windows.Forms.Control controlToAdd)
{
if (!tabCtrlOutput.TabPages.Contains(tabPage))
{
tabCtrlOutput.TabPages.Add(tabPage);
tabPage.Controls.Add(controlToAdd);
}
}
}
}
[Visual Basic .NET]
Route_GISServerAPIClass.vb
Imports System
Imports System.Drawing
Imports System.Collections
Imports System.ComponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Data.OleDb
Imports System.Xml
Imports ESRI.ArcGIS.Carto
Imports ESRI.ArcGIS.Display
Imports ESRI.ArcGIS.esriSystem
Imports ESRI.ArcGIS.Geometry
Imports ESRI.ArcGIS.Server
Imports ESRI.ArcGIS.Geodatabase
Imports ESRI.ArcGIS.Location
Imports ESRI.ArcGIS.NetworkAnalyst
Imports System.Collections.Specialized
Public Class Route_GISServerAPIClass
''' <summary>
''' This function
''' - connects to the ArcGIS Server and MapServer
''' - sets all controls for the first route network analysis layer
''' </summary>
Private Sub cmdConnect_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmdConnect.Click
GetNetworkAnalysisLayers()
End Sub
''' <summary>
''' This function
''' - gets all route network analysis layers
''' - selects the first route network analysis layer
''' - sets all controls for this route network analysis layer
''' </summary>
Private Sub GetNetworkAnalysisLayers()
Me.Cursor = Cursors.WaitCursor
Dim serverContext As IServerContext = Nothing
Try
' Get ServerContext and NAServer
serverContext = GetMapServerContext()
Dim naServer As INAServer = GetNAServer(serverContext)
' Enable Frame
fraINAServerSolverParams.Enabled = True
'Get Route NA layer names
cboNALayers.Items.Clear()
Dim naLayers() As String = naServer.GetNALayerNames(esriNAServerLayerType.esriNAServerRouteLayer)
For i As Integer = 0 To naLayers.Length - 1
cboNALayers.Items.Add(naLayers(i))
Next i
' Select the first NA Layer name
If cboNALayers.Items.Count > 0 Then
cboNALayers.SelectedIndex = 0
Else
MessageBox.Show("There is no Network Analyst layer associated with this MapServer object!", "NAServer - Route Sample", System.Windows.Forms.MessageBoxButtons.OK)
End If
Catch exception As Exception
MessageBox.Show(exception.Message, "An error has occurred")
Finally
' Release the ServerContext
If Not serverContext Is Nothing Then
serverContext.ReleaseContext()
End If
Me.Cursor = Cursors.Default
End Try
End Sub
''' <summary>
''' This function gets the MapServer context reference being created on the ArcGIS Server
''' </summary>
Private Function GetMapServerContext() As IServerContext
Try
Dim gisServerCon As IGISServerConnection = Nothing
Dim som As IServerObjectManager = Nothing
'Connect to ArcGIS Server
gisServerCon = New GISServerConnectionClass()
gisServerCon.Connect(txtServer.Text)
'Get the MapServer Object
som = gisServerCon.ServerObjectManager
Return som.CreateServerContext(txtService.Text, "MapServer")
Catch exception As Exception
Throw (New Exception("Error when connecting to the ArcGIS Server/MapServer Object" + "\nMessage: " + exception.Message))
End Try
End Function
''' <summary>
''' This function gets NAServer object extension from the MapServer context
''' </summary>
Private Function GetNAServer(ByVal serverContext As IServerContext) As INAServer
Try
If serverContext Is Nothing Then
Throw (New Exception("Error when getting the Network Analyst Server Object" + "\n Message: The MapServer Context is Nothing."))
End If
' Get the NAServer
Dim mapServer As IMapServer = serverContext.ServerObject
Dim soex As IServerObjectExtensionManager = mapServer
Dim sext As IServerObjectExtension = soex.FindExtensionByTypeName("NAServer")
Dim pNAServer As INAServer = sext
Return pNAServer
Catch exception As Exception
Throw (New Exception("Error when getting to the Network Analyst Server Object" + "\nMessage: " + exception.Message))
End Try
End Function
''' <summary>
''' This function sets all controls for the selected route network analysis layer
''' </summary>
Private Sub cboNALayers_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles cboNALayers.SelectedIndexChanged
Dim naLayerName As String = cboNALayers.Text
' Enable Solve Button
'cmdSolve.Enabled = (naLayerName.Length = 0)
If naLayerName.Length = 0 Then
Return
End If
Me.Cursor = Cursors.WaitCursor
Dim serverContext As IServerContext = Nothing
Try
' Get ServerContext and NAServer
serverContext = GetMapServerContext()
Dim naServer As INAServer = GetNAServer(serverContext)
Dim solverParams As INAServerSolverParams = naServer.GetSolverParameters(naLayerName)
Dim networkDescription As INAServerNetworkDescription = naServer.GetNetworkDescription(naLayerName)
' Setup Default Properties
GetINASolverSettings(networkDescription, solverParams)
GetSolverSpecificInterface(solverParams)
GetServerSolverParams(networkDescription, solverParams)
' Get all Point feature Layers form the ServerContext
GetInputStopsLayers(serverContext)
' Make frames Enable
MakeFramesEnabled(solverParams)
' Hide Tabs
HideTabs()
cmdSolve.Enabled = True
Catch exception As Exception
MessageBox.Show(exception.Message, "An error has occurred")
Finally
' Release the ServerContext
If Not serverContext Is Nothing Then
serverContext.ReleaseContext()
End If
Me.Cursor = Cursors.Default
End Try
End Sub
''' <summary>
''' Get default ServerSolverParams controls (ReturnMap, SnapTolerance, etc.)
''' </summary>
Private Sub GetServerSolverParams(ByVal networkDescription As INAServerNetworkDescription, ByVal solverParams As INAServerSolverParams)
chkReturnMap.Checked = True
txtSnapTolerance.Text = solverParams.SnapTolerance.ToString()
txtMaxSnapTolerance.Text = solverParams.MaxSnapTolerance.ToString()
cboSnapToleranceUnits.SelectedIndex = Convert.ToInt32(solverParams.SnapToleranceUnits)
'Set Route Defaults
chkReturnRouteGeometries.Checked = False
chkReturnRoutes.Checked = True
chkReturnStops.Checked = True
chkReturnDirections.Checked = True
checkReturnBarriers.Checked = True
'Set Directions Defaults
cboRouteDirectionsTimeAttribute.Items.Clear()
Dim attributes() As INAServerNetworkAttribute = networkDescription.NetworkAttributes
For i As Integer = 0 To attributes.Length - 1
Dim networkAttribute As INAServerNetworkAttribute = attributes(i)
If networkAttribute.UsageType = esriNetworkAttributeUsageType.esriNAUTCost Then
If String.Compare(networkAttribute.Units.ToString(), "esriNAUMinutes") = 0 Then
cboRouteDirectionsTimeAttribute.Items.Add(networkAttribute.Name)
End If
End If
Next
' Set the default direction settings
Dim routeParams As INAServerRouteParams = solverParams
If Not routeParams Is Nothing Then
cboRouteDirectionsLengthUnits.Text = routeParams.DirectionsLengthUnits.ToString().Substring(7)
'Select the first time attribute
If cboRouteDirectionsTimeAttribute.Items.Count > 0 Then
cboRouteDirectionsTimeAttribute.Text = routeParams.DirectionsTimeAttributeName
End If
End If
End Sub
''' <summary>
''' Get default NASolverSettings controls (Cost Attributes, Restrictions Attributes. etc.)
''' </summary>
Private Sub GetINASolverSettings(ByVal networkDescription As INAServerNetworkDescription, ByVal solverSettings As INASolverSettings2)
Dim impedanceIndex As Integer = 0
'Get Attributes
cboImpedance.Items.Clear()
chklstAccumulateAttributes.Items.Clear()
chklstRestrictions.Items.Clear()
cboUturnPolicy.SelectedIndex = -1
Dim attributes() As INAServerNetworkAttribute = networkDescription.NetworkAttributes
Dim accumulateAttributeNames As IStringArray = solverSettings.AccumulateAttributeNames
Dim restrictionAttributeNames As IStringArray = solverSettings.RestrictionAttributeNames
For i As Integer = 0 To attributes.Length - 1
Dim networkAttribute As INAServerNetworkAttribute = attributes(i)
Dim networkAttributeName As String = networkAttribute.Name
If networkAttribute.UsageType = esriNetworkAttributeUsageType.esriNAUTCost Then
chklstAccumulateAttributes.Items.Add(networkAttribute.Name, IsStringInStringArray(networkAttributeName, accumulateAttributeNames))
Dim index As Integer = cboImpedance.Items.Add(networkAttribute.Name + " (" + networkAttribute.Units.ToString().Substring(7) + ")")
If networkAttributeName = solverSettings.ImpedanceAttributeName Then
impedanceIndex = index
End If
End If
If networkAttribute.UsageType = esriNetworkAttributeUsageType.esriNAUTRestriction Then
chklstRestrictions.Items.Add(networkAttribute.Name, IsStringInStringArray(networkAttributeName, restrictionAttributeNames))
End If
Next
If cboImpedance.Items.Count > 0 Then
cboImpedance.SelectedIndex = impedanceIndex
End If
chkUseHierarchy.Checked = solverSettings.UseHierarchy
chkUseHierarchy.Enabled = solverSettings.HierarchyAttributeName.Length > 0
chkIgnoreInvalidLocations.Checked = solverSettings.IgnoreInvalidLocations
cboUturnPolicy.SelectedIndex = System.Convert.ToInt32(solverSettings.RestrictUTurns)
End Sub
Private Function IsStringInStringArray(ByVal inputString As String, ByVal stringArray As IStringArray) As Boolean
Dim numInArray As Integer = stringArray.Count
For i As Integer = 0 To numInArray - 1
If inputString.Equals(stringArray.Element(i)) Then
Return True
End If
Next
Return False
End Function
''' <summary>
''' Get default route solver controls (BestOrder, UseTimeWindows, UseStartTime, etc.)
''' </summary>
Private Sub GetSolverSpecificInterface(ByVal solverParams As INAServerSolverParams)
Dim routeSolver As INARouteSolver2 = solverParams
If Not routeSolver Is Nothing Then
chkBestOrder.Checked = routeSolver.FindBestSequence
chkPreserveFirst.Checked = routeSolver.PreserveFirstStop
chkPreserveLast.Checked = routeSolver.PreserveLastStop
If chkBestOrder.Checked = True Then
Me.chkPreserveFirst.Enabled = True
Me.chkPreserveLast.Enabled = True
Else
Me.chkPreserveFirst.Enabled = False
Me.chkPreserveLast.Enabled = False
End If
chkUseTimeWindows.Checked = routeSolver.UseTimeWindows
chkUseStartTime.Checked = routeSolver.UseStartTime
If chkUseStartTime.Checked Then
txtStartTime.Enabled = True
txtStartTime.Text = routeSolver.StartTime.ToString()
Else
txtStartTime.Enabled = False
txtStartTime.Text = System.DateTime.Now.ToString()
End If
cboRouteOutputLines.SelectedIndex = System.Convert.ToInt32(routeSolver.OutputLines)
End If
End Sub
''' <summary>
''' Set general solver settings (Impedance, Restrictions, Accumulates, etc.)
''' </summary>
Private Sub SetINASolverSettings(ByVal solverSettings As INASolverSettings)
solverSettings.ImpedanceAttributeName = ExtractImpedanceName(cboImpedance.Text)
Dim restrictionAttributes As IStringArray = solverSettings.RestrictionAttributeNames
restrictionAttributes.RemoveAll()
Dim i As Integer
For i = 0 To chklstRestrictions.CheckedItems.Count - 1
restrictionAttributes.Add(chklstRestrictions.Items(chklstRestrictions.CheckedIndices(i)).ToString())
Next i
solverSettings.RestrictionAttributeNames = restrictionAttributes
Dim accumulateAttributes As IStringArray = solverSettings.AccumulateAttributeNames
accumulateAttributes.RemoveAll()
For i = 0 To chklstAccumulateAttributes.CheckedItems.Count - 1
accumulateAttributes.Add(chklstAccumulateAttributes.Items(chklstAccumulateAttributes.CheckedIndices(i)).ToString())
Next i
solverSettings.AccumulateAttributeNames = accumulateAttributes
solverSettings.RestrictUTurns = CType(cboUturnPolicy.SelectedIndex, esriNetworkForwardStarBacktrack)
solverSettings.IgnoreInvalidLocations = chkIgnoreInvalidLocations.Checked
solverSettings.UseHierarchy = chkUseHierarchy.Checked
End Sub
''' <summary>
''' Set server solver paramaters (ReturnMap, SnapTolerance, etc.)
''' </summary>
Private Sub SetServerSolverParams(ByVal solverParams As INAServerSolverParams, ByVal serverContext As IServerContext)
solverParams.ReturnMap = chkReturnMap.Checked
solverParams.SnapTolerance = Convert.ToDouble(txtSnapTolerance.Text)
solverParams.MaxSnapTolerance = Convert.ToDouble(txtMaxSnapTolerance.Text)
solverParams.SnapToleranceUnits = CType(cboSnapToleranceUnits.SelectedIndex, esriUnits)
solverParams.ImageDescription.Display.Width = pictureBox.Width
solverParams.ImageDescription.Display.Height = pictureBox.Height
' This code shows how to specify the output spatial reference in order to get the map
' in a different spatial reference than the Network Dataset
'IESRISpatialReferenceGEN sr = serverContext.CreateObject("esriGeometry.GeographicCoordinateSystem") as IESRISpatialReferenceGEN;
'int read;
'sr.ImportFromESRISpatialReference("GEOGCS[GCS_North_American_1983,DATUM[D_North_American_1983,SPHEROID[GRS_1980,6378137.0,298.257222101]],PRIMEM[Greenwich,0.0],UNIT[Degree,0.0174532925199433]]", out read);
'solverParams.OutputSpatialReference = sr as ISpatialReference;
Dim routeParams As INAServerRouteParams = solverParams
If Not routeParams Is Nothing Then
routeParams.ReturnRouteGeometries = chkReturnRouteGeometries.Checked
routeParams.ReturnRoutes = chkReturnRoutes.Checked
routeParams.ReturnStops = chkReturnStops.Checked
routeParams.ReturnBarriers = checkReturnBarriers.Checked
routeParams.ReturnDirections = chkReturnDirections.Checked
routeParams.DirectionsLengthUnits = GetstringToesriUnits(cboRouteDirectionsLengthUnits.Text)
routeParams.DirectionsTimeAttributeName = cboRouteDirectionsTimeAttribute.Text
End If
End Sub
''' <summary>
''' Set specific solver settings (Impedance, Restrictions, Accumulates, etc.)
''' </summary>
Private Sub SetSolverSpecificInterface(ByVal solverParams As INAServerSolverParams)
Dim routeSolver As INARouteSolver2 = solverParams
If Not routeSolver Is Nothing Then
routeSolver.FindBestSequence = chkBestOrder.Checked
routeSolver.PreserveFirstStop = chkPreserveFirst.Checked
routeSolver.PreserveLastStop = chkPreserveLast.Checked
routeSolver.UseTimeWindows = chkUseTimeWindows.Checked
routeSolver.OutputLines = CType(cboRouteOutputLines.SelectedIndex, esriNAOutputLineType)
routeSolver.UseStartTime = chkUseStartTime.Checked
If routeSolver.UseStartTime = True Then
routeSolver.StartTime = System.Convert.ToDateTime(txtStartTime.Text.ToString())
End If
End If
End Sub
''' <summary>
''' Get all point feature layers from the ServerContext
''' Add them in the "Input Stops" drop down list
''' </summary>
Private Sub GetInputStopsLayers(ByVal serverContext As IServerContext)
Dim mapServer As IMapServer = serverContext.ServerObject
Dim mapServerObjects As IMapServerObjects = mapServer
Dim map As IMap = mapServerObjects.Map(mapServer.DefaultMapName)
Dim featureClass As IFeatureClass = Nothing
cboStopsLayers.Items.Clear()
Dim layers As IEnumLayer = map.Layers(Nothing, True)
layers.Reset()
Dim layer As ILayer = layers.Next()
While layer IsNot Nothing
If TypeOf layer Is IFeatureLayer Then
Dim FeatureLayer As IFeatureLayer = layer
If _
Not (TypeOf FeatureLayer.FeatureClass Is INAClass) _
And FeatureLayer.FeatureClass.ShapeType = esriGeometryType.esriGeometryPoint _
Then
cboStopsLayers.Items.Add(FeatureLayer.Name)
End If
End If
layer = layers.Next()
End While
' Add <None> at the end in case the user does not want to load Stop Location from a Feature Layer
cboStopsLayers.Items.Add("<None>")
cboStopsLayers.SelectedIndex = 0
End Sub
''' <summary>
''' Helper function to convert a string unit (e.g Miles) to an esriNetworkAnalystUnits (e.g esriNAUMiles)
''' </summary>
Private Function GetstringToesriUnits(ByVal stresriUnits As String) As esriNetworkAttributeUnits
Select Case stresriUnits.ToLower()
Case "inches"
Return esriNetworkAttributeUnits.esriNAUInches
Case "feet"
Return esriNetworkAttributeUnits.esriNAUFeet
Case "yards"
Return esriNetworkAttributeUnits.esriNAUYards
Case "miles"
Return esriNetworkAttributeUnits.esriNAUMiles
Case "nautical miles"
Return esriNetworkAttributeUnits.esriNAUNauticalMiles
Case "millimeters"
Return esriNetworkAttributeUnits.esriNAUMillimeters
Case "centimeters"
Return esriNetworkAttributeUnits.esriNAUCentimeters
Case "meters"
Return esriNetworkAttributeUnits.esriNAUMeters
Case "kilometers"
Return esriNetworkAttributeUnits.esriNAUKilometers
Case "decimal degrees"
Return esriNetworkAttributeUnits.esriNAUDecimalDegrees
Case "decimeters"
Return esriNetworkAttributeUnits.esriNAUDecimeters
Case "seconds"
Return esriNetworkAttributeUnits.esriNAUSeconds
Case "minutes"
Return esriNetworkAttributeUnits.esriNAUMinutes
Case "hours"
Return esriNetworkAttributeUnits.esriNAUHours
Case "days"
Return esriNetworkAttributeUnits.esriNAUDays
Case "unknown"
Return esriNetworkAttributeUnits.esriNAUUnknown
Case Else
Return esriNetworkAttributeUnits.esriNAUUnknown
End Select
End Function
''' <summary>
''' Helper function to extract the impedance name in a string like "impedancename (impedanceunits)"
''' </summary>
Private Function ExtractImpedanceName(ByVal ImpedanceUnits As String) As String
Dim firstIndex As Integer = ImpedanceUnits.LastIndexOf(" ")
Dim lastIndex As Integer = ImpedanceUnits.Length
Return ImpedanceUnits.Remove(firstIndex, (lastIndex - firstIndex))
End Function
''' <summary>
''' Helper function to extract the impedance unit in a string like "impedancename (impedanceunits)"
''' </summary>
Private Function ExtractImpedanceUnits(ByVal ImpedanceUnits As String) As String
Dim firstIndex As Integer = ImpedanceUnits.LastIndexOf("(") + 1
Dim lastIndex As Integer = ImpedanceUnits.LastIndexOf(")")
Return ImpedanceUnits.Substring(firstIndex, (lastIndex - firstIndex))
End Function
''' <summary>
''' Make frames Enabled
''' </summary>
Private Sub MakeFramesEnabled(ByVal solverParams As INAServerSolverParams)
fraINARouteSolver.Enabled = (Not solverParams Is Nothing)
fraINAServerRouteParams.Enabled = (Not solverParams Is Nothing)
fraINASolverSettings.Enabled = (Not solverParams Is Nothing)
End Sub
''' <summary>
''' Hide tabs
''' </summary>
Private Sub HideTabs()
' remove tabs initially - There are added when the result is returned.
Me.tabCtrlOutput.TabPages.Remove(Me.tabReturnDirections)
Me.tabCtrlOutput.TabPages.Remove(Me.tabReturnStopsFeatures)
Me.tabCtrlOutput.TabPages.Remove(Me.tabReturnBarrierFeatures)
Me.tabCtrlOutput.TabPages.Remove(Me.tabReturnRouteGeometry)
Me.tabCtrlOutput.TabPages.Remove(Me.tabReturnRouteFeatures)
End Sub
''' <summary>
''' Load form
''' </summary>
Private Sub Route_GISServerAPIClass_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
' Init combo box for SnapTolerance
cboSnapToleranceUnits.Items.Add("Unknown Units")
cboSnapToleranceUnits.Items.Add("Inches")
cboSnapToleranceUnits.Items.Add("Points")
cboSnapToleranceUnits.Items.Add("Feet")
cboSnapToleranceUnits.Items.Add("Yards")
cboSnapToleranceUnits.Items.Add("Miles")
cboSnapToleranceUnits.Items.Add("Nautical Miles")
cboSnapToleranceUnits.Items.Add("Millimeters")
cboSnapToleranceUnits.Items.Add("Centimeters")
cboSnapToleranceUnits.Items.Add("Meters")
cboSnapToleranceUnits.Items.Add("Kilometers")
cboSnapToleranceUnits.Items.Add("DecimalDegrees")
cboSnapToleranceUnits.Items.Add("Decimeters")
' Init combo box for UturnPolicy
cboUturnPolicy.Items.Add("Nowhere")
cboUturnPolicy.Items.Add("Everywhere")
cboUturnPolicy.Items.Add("Only at Dead Ends")
' Init combo box for RouteOutputLines
cboRouteOutputLines.Items.Add("None")
cboRouteOutputLines.Items.Add("Straight Line")
cboRouteOutputLines.Items.Add("True Shape")
cboRouteOutputLines.Items.Add("True Shape With Ms")
' Init combo box for RouteDirectionsLengthUnits
cboRouteDirectionsLengthUnits.Items.Add("Feet")
cboRouteDirectionsLengthUnits.Items.Add("Yards")
cboRouteDirectionsLengthUnits.Items.Add("Miles")
cboRouteDirectionsLengthUnits.Items.Add("Meters")
cboRouteDirectionsLengthUnits.Items.Add("Kilometers")
If (txtServer.Text <> "" And txtServer.Text <> "<Enter ArcGIS Server Name>" _
And txtService.Text <> "" And txtService.Text <> "<Enter ArcGIS Map Server Object>") Then
GetNetworkAnalysisLayers()
End If
End Sub
''' <summary>
'''This function shows how to compute a route stop locations using two different options
''' 1) Set solver and solver parameters
''' 2) Populate stops NALocations
''' 3) Get and display server results (map, directions, etc.)
''' </summary>
Private Sub cmdSolve_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmdSolve.Click
Me.Cursor = Cursors.WaitCursor
Dim serverContext As IServerContext = Nothing
Try
' Get ServerContext and NAServer
serverContext = GetMapServerContext()
Dim naServer As INAServer = GetNAServer(serverContext)
' Get SolverParams
Dim solverParams As INAServerSolverParams = naServer.GetSolverParameters(cboNALayers.Text)
' Set Solver params
SetINASolverSettings(solverParams)
SetSolverSpecificInterface(solverParams)
SetServerSolverParams(solverParams, serverContext)
' Load Locations
LoadLocations(solverParams, serverContext)
'Solve the Route
Dim solverResults As INAServerSolverResults = Nothing
solverResults = naServer.Solve(solverParams)
'Get NAServer results in the tab controls
OutputResults(solverParams, solverResults)
Catch exception As Exception
MessageBox.Show(exception.Message, "An error has occurred")
Finally
' Release the ServerContext
If Not serverContext Is Nothing Then
serverContext.ReleaseContext()
End If
End Try
Me.Cursor = Cursors.Default
End Sub
''' <summary>
'''This function shows how to populate stop locations using two different options
''' 1) From Record Set using a Point Feature Class - Uncommented
''' 2) From an Array of PropertySets - Commented out
''' Uncomment the option, you would like to use
''' </summary>
Private Sub LoadLocations(ByVal solverParams As INAServerSolverParams, ByVal serverContext As IServerContext)
' Begin Option 1
Dim recSet As IRecordSet = Nothing
' Get Input Stops Feature Class from the MapServer
' Do not create Stops if <NONE> is selected
If cboStopsLayers.Text.ToUpper() <> "<NONE>" Then
'Get the feature class to load in
Dim mapServer As IMapServer = serverContext.ServerObject
Dim mapServerObjects As IMapServerObjects = mapServer
Dim map As IMap = mapServerObjects.Map(mapServer.DefaultMapName)
Dim featureClass As IFeatureClass = Nothing
Dim layers As IEnumLayer = map.Layers(Nothing, True)
layers.Reset()
Dim layer As ILayer = layers.Next()
While layer IsNot Nothing
If layer.Name.ToUpper() = cboStopsLayers.Text.ToUpper() Then
Dim featureLayer As IFeatureLayer = layer
featureClass = featureLayer.FeatureClass
Exit While
End If
layer = layers.Next()
End While
If featureClass Is Nothing Then
Throw (New Exception("Could not find the input stops layer " + cboStopsLayers.Text))
End If
recSet = serverContext.CreateObject("esriGeodatabase.RecordSet")
Dim queryFilter As IQueryFilter = serverContext.CreateObject("esriGeodatabase.QueryFilter")
queryFilter.SubFields = "*"
Dim recSetInit As IRecordSetInit = recSet
recSetInit.SetSourceTable(featureClass, queryFilter)
End If
Dim routeParams As INAServerRouteParams = solverParams
Dim stopsRecSet As INAServerRecordSet = serverContext.CreateObject("esriNetworkAnalyst.NAServerRecordSet")
stopsRecSet.RecordSet = recSet
If Not routeParams Is Nothing And Not recSet Is Nothing Then
routeParams.Stops = stopsRecSet
End If
' End Option 1
'' Begin Option 2
'Dim propSets As IPropertySetArray = serverContext.CreateObject("esriSystem.PropertySetArray")
''Set first point
'propSets.Add(CreateLocationPropertySet(serverContext, "Stop 1", -122.490249049, 37.7481194043, Nothing))
'' Set second point
'propSets.Add(CreateLocationPropertySet(serverContext, "Stop 2", -122.430833654, 37.7539635449, Nothing))
'' Create NAServerPropertySets
'Dim stopsPropSets As INAServerPropertySets = serverContext.CreateObject("esriNetworkAnalyst.NAServerPropertySets")
'stopsPropSets.PropertySets = propSets
'' Pass the Stops PropertySets
'Dim routeParams As INAServerRouteParams = solverParams
'routeParams.Stops = stopsPropSets
'' End Option 2
End Sub
''' <summary>
''' Output Results Messages, Map, Route Geometries, Directions
''' </summary>
Private Sub OutputResults(ByVal solverParams As INAServerSolverParams, ByVal solverResults As INAServerSolverResults)
Dim messagesSolverResults As String = ""
' Output Solve messages
Dim gpMessages As IGPMessages = solverResults.SolveMessages
If (Not gpMessages Is Nothing) Then
For i As Integer = 0 To gpMessages.Count - 1
Dim gpMessage As IGPMessage = gpMessages.GetMessage(i)
messagesSolverResults += vbCr + gpMessage.Description
Next
End If
' Uncomment the following section to output the total impedance of each route in a MessageBox
'Dim routeSolverResults As INAServerRouteResults = solverResults
'If (Not routeSolverResults Is Nothing) Then
' For i As Integer = 0 To routeSolverResults.TotalImpedances.GetLength(0) - 1
' messagesSolverResults += vbCr + "Total Impedance for Route[" + System.Convert.ToString(i + 1) + "] = "
' messagesSolverResults += routeSolverResults.TotalImpedances(i).ToString("f")
' messagesSolverResults += " " + ExtractImpedanceUnits(cboImpedance.Text).ToLower()
' Next i
'End If
' Show a message box displaying both solver messages and total_impedance per route
If (messagesSolverResults.Length() > 0) Then
MessageBox.Show(messagesSolverResults, "NAServer Route Results")
End If
'Output Map
pictureBox.Image = Nothing
If (solverParams.ReturnMap) Then
Dim mapImage As IMapImage = solverResults.MapImage
If ((Not mapImage Is Nothing) And (Not mapImage.MimeData Is Nothing)) Then
pictureBox.Image = System.Drawing.Image.FromStream(New System.IO.MemoryStream(mapImage.MimeData))
End If
pictureBox.Refresh()
End If
If ((Not solverParams Is Nothing) And (Not solverResults Is Nothing)) Then
OutputRouteResults(solverParams, solverResults)
End If
End Sub
''' <summary>
''' Output Route Results according to the NAServerRouteParams
''' </summary>
Private Sub OutputRouteResults(ByVal solverParams As INAServerRouteParams, ByVal solverResults As INAServerRouteResults)
' Return Directions if generated
If (solverParams.ReturnDirections) Then
AddTabAndControl(Me.tabReturnDirections, Me.treeViewDirections)
OutputDirections(solverResults.Directions)
Else
Me.tabCtrlOutput.TabPages.Remove(Me.tabReturnDirections)
End If
' Return Route Geometries if generated
If (solverParams.ReturnRouteGeometries) Then
AddTabAndControl(Me.tabReturnRouteGeometry, Me.treeViewRouteGeometry)
OutputPolylines(solverResults.RouteGeometries)
Else
Me.tabCtrlOutput.TabPages.Remove(Me.tabReturnRouteGeometry)
End If
' Return Route Features as RecordSet
If (solverParams.ReturnRoutes) Then
AddTabAndControl(Me.tabReturnRouteFeatures, Me.dataGridRouteFeatures)
OutputRecSetToDataGrid(solverResults.Routes, dataGridRouteFeatures)
Else
Me.tabCtrlOutput.TabPages.Remove(Me.tabReturnRouteFeatures)
End If
' Return Stop Features as RecordSet
If (solverParams.ReturnStops) Then
AddTabAndControl(Me.tabReturnStopsFeatures, Me.dataGridStopFeatures)
OutputRecSetToDataGrid(solverResults.Stops, dataGridStopFeatures)
Else
Me.tabCtrlOutput.TabPages.Remove(Me.tabReturnStopsFeatures)
End If
' Return Barrier Features as RecordSet
If (solverParams.ReturnBarriers) Then
AddTabAndControl(Me.tabReturnBarrierFeatures, Me.dataGridBarrierFeatures)
OutputRecSetToDataGrid(solverResults.Barriers, dataGridBarrierFeatures)
Else
Me.tabCtrlOutput.TabPages.Remove(Me.tabReturnBarrierFeatures)
End If
' Make TabControlOuput enable
tabCtrlOutput.Enabled = True
End Sub
''' <summary>
''' Add a tab page and a tab control
''' </summary>
Private Sub AddTabAndControl(ByVal tabPage As TabPage, ByVal controlToAdd As System.Windows.Forms.Control)
If Not tabCtrlOutput.TabPages.Contains(tabPage) Then
tabCtrlOutput.TabPages.Add(tabPage)
tabPage.Controls.Add(controlToAdd)
End If
End Sub
''' <summary>
''' Output Directions if a TreeView control
''' </summary>
Private Sub OutputDirections(ByVal serverDirections() As INAStreetDirections)
' Suppress repainting the TreeView until all the objects have been created.
treeViewDirections.BeginUpdate()
' Clear the TreeView each time the method is called.
treeViewDirections.Nodes.Clear()
For i As Integer = 0 To serverDirections.Length - 1
' get Directions from the ith route
Dim directions As INAStreetDirections
directions = serverDirections(i)
' get Summary (Total Distance and Time)
Dim direction As INAStreetDirection = directions.Summary
Dim totallength As String = Nothing, totaltime As String = Nothing
For k As Integer = 0 To direction.StringCount - 1
If direction.StringType(k) = esriDirectionsStringType.esriDSTLength Then
totallength = direction.String(k)
End If
If direction.StringType(k) = esriDirectionsStringType.esriDSTTime Then
totaltime = direction.String(k)
End If
Next k
' Add a Top a Node with the Route number and Total Distance and Total Time
Dim NewNode As TreeNode = New TreeNode("Directions for Route [" + System.Convert.ToString(i + 1) + "] - Total Distance: " + totallength + " Total Time: " + totaltime)
treeViewDirections.Nodes.Add(NewNode)
' Then add a node for each step-by-step directions
For directionIndex As Integer = 0 To directions.DirectionCount - 1
direction = directions.Direction(directionIndex)
Dim stringIndex As Integer
For stringIndex = 0 To direction.StringCount - 1 Step stringIndex + 1
If (direction.StringType(stringIndex) = esriDirectionsStringType.esriDSTGeneral Or _
direction.StringType(stringIndex) = esriDirectionsStringType.esriDSTDepart Or _
direction.StringType(stringIndex) = esriDirectionsStringType.esriDSTArrive) Then
treeViewDirections.Nodes(i).Nodes.Add(New TreeNode(direction.String(stringIndex)))
End If
Next stringIndex
Next directionIndex
Next i
' Check if Directions have been generated
If serverDirections.Length = 0 Then
Dim NewNode As TreeNode = New TreeNode("Directions not generated")
treeViewDirections.Nodes.Add(NewNode)
End If
' Begin repainting the TreeView.
treeViewDirections.ExpandAll()
treeViewDirections.EndUpdate()
End Sub
''' <summary>
''' Generic function to output RecordSet (Stops, Barriers, or Routes) in a DataDrid Control
''' </summary>
Private Sub OutputRecSetToDataGrid(ByVal recSet As IRecordSet, ByVal OutDataGrid As System.Windows.Forms.DataGrid)
Dim fields As IFields = recSet.Fields
Dim dataSet As DataSet = New DataSet("dataSet")
Dim dataTable As DataTable = New DataTable("Results")
dataSet.Tables.Add(dataTable)
' Get Field Names
Dim dataColumn As DataColumn = Nothing
For f As Integer = 0 To fields.FieldCount - 1
dataColumn = New DataColumn(fields.Field(f).Name.ToString())
dataTable.Columns.Add(dataColumn)
Next
' Populate DataGrid rows by RecordSet
Dim newDataRow As DataRow
Dim cur As ICursor = recSet.Cursor(False)
Dim row As IRow = cur.NextRow()
If Not row Is Nothing Then
While Not row Is Nothing
newDataRow = dataTable.NewRow()
For l As Integer = 0 To row.Fields.FieldCount - 1
newDataRow(l) = row.Value(l).ToString()
Next
dataTable.Rows.Add(newDataRow)
row = cur.NextRow()
End While
End If
OutDataGrid.SetDataBinding(dataSet, "Results")
OutDataGrid.Visible = True
End Sub
''' <summary>
''' Output Route Geometries (Polylines) in a TreeView control
''' </summary>
Private Sub OutputPolylines(ByVal polylines() As IPolyline)
' Suppress repainting the TreeView until all the objects have been created.
treeViewRouteGeometry.BeginUpdate()
' Clear the TreeView each time the method is called.
treeViewRouteGeometry.Nodes.Clear()
For i As Integer = 0 To polylines.Length - 1
Dim NewNode As TreeNode = New TreeNode("Polyline Length for Route [" + System.Convert.ToString(i + 1) + "] = " + polylines(i).Length.ToString())
treeViewRouteGeometry.Nodes.Add(NewNode)
Dim pointCollection As IPointCollection = polylines(i)
For j As Integer = 0 To pointCollection.PointCount - 1 - 1
Dim point As IPoint = pointCollection.Point(j)
treeViewRouteGeometry.Nodes(i).Nodes.Add(New TreeNode("Point [" + System.Convert.ToString(j + 1) + "]: " + point.X.ToString() + "," + point.Y.ToString()))
Next j
Next i
' Check if Route Geometry has been generated
If polylines.Length = 0 Then
Dim NewNode As TreeNode = New TreeNode("Route Geometry not generated")
treeViewRouteGeometry.Nodes.Add(NewNode)
End If
' Begin repainting the TreeView.
treeViewRouteGeometry.ExpandAll()
treeViewRouteGeometry.EndUpdate()
End Sub
''' <summary>
''' Enable the startTime control
''' </summary>
Private Sub chkUseStartTime_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles chkUseStartTime.CheckedChanged
If chkUseStartTime.Checked = True Then
txtStartTime.Enabled = True
Else
txtStartTime.Enabled = False
End If
End Sub
''' <summary>
''' Enable chkPreserveFirst and chkPreserveFirst controls
''' </summary>
Private Sub chkBestOrder_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles chkBestOrder.CheckedChanged
If chkBestOrder.Checked = True Then
Me.chkPreserveFirst.Enabled = True
Me.chkPreserveLast.Enabled = True
Else
Me.chkPreserveFirst.Enabled = False
Me.chkPreserveLast.Enabled = False
End If
End Sub
''' <summary>
''' Create a property set for NALocation
''' </summary>
Private Function CreateLocationPropertySet(ByVal serverContext As IServerContext, ByVal name As String, ByVal X As Object, ByVal Y As Object, ByVal sr As ISpatialReference) As IPropertySet
Dim propSet As IPropertySet = serverContext.CreateObject("esriSystem.PropertySet")
propSet.SetProperty("Name", name)
propSet.SetProperty("X", X)
propSet.SetProperty("Y", Y)
propSet.SetProperty("SpatialReference", sr)
Return propSet
End Function
Public Sub New()
If (Not ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.Engine)) Then
If (Not ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.Desktop)) Then
Console.WriteLine("This application could not load the correct version of ArcGIS.")
End If
End If
Dim aoLicenseInitializer As LicenseInitializer = New LicenseInitializer()
'ESRI License Initializer generated code.
If (Not aoLicenseInitializer.InitializeApplication(New ESRI.ArcGIS.esriSystem.esriLicenseProductCode() { _
ESRI.ArcGIS.esriSystem.esriLicenseProductCode.esriLicenseProductCodeArcView, _
ESRI.ArcGIS.esriSystem.esriLicenseProductCode.esriLicenseProductCodeArcEditor, _
ESRI.ArcGIS.esriSystem.esriLicenseProductCode.esriLicenseProductCodeArcInfo}, _
New ESRI.ArcGIS.esriSystem.esriLicenseExtensionCode() {})) Then
Console.WriteLine(aoLicenseInitializer.LicenseMessage())
Console.WriteLine("This application could not initialize with the correct ArcGIS license and will shutdown.")
aoLicenseInitializer.ShutdownApplication()
Return
End If
' This call is required by the Windows Form Designer.
InitializeComponent()
' Add any initialization after the InitializeComponent() call.
End Sub
End Class