using System;  
 using System.Collections.Generic;  
 using System.Linq;  
 using System.Windows.Forms;  
 
 namespace DifferentProjectionsWithRouting  
 {  
     static class Program  
     {  
         /// <summary>  
         /// The main entry point for the application.  
         /// </summary>  
         [STAThread]  
         static void Main()  
         {  
             Application.EnableVisualStyles();  
             Application.SetCompatibleTextRenderingDefault(false);  
             Application.Run(new TestForm());  
         }  
     }  
 }  
 

 using System;  
 using System.Collections.ObjectModel;  
 using System.Drawing;  
 using System.Windows.Forms;  
 using ThinkGeo.MapSuite.Core;  
 using ThinkGeo.MapSuite.Routing;  
 
 namespace DifferentProjectionsWithRouting  
 {  
     public partial class TestForm : Form  
     {  
         private MapEngine mapEngine = new MapEngine();  
         private Bitmap bitmap = null;  
 
         public TestForm()  
         {  
             InitializeComponent();  
         }  
 
         private void TestForm_Load(object sender, EventArgs e)  
         {  
             // Set the extent and the background color  
             mapEngine.CurrentExtent = ExtentHelper.GetDrawingExtent(new RectangleShape(-97.7566, 30.3048, -97.7206, 30.2764), Map.Width, Map.Height);  
             mapEngine.BackgroundFillBrush = new GeoSolidBrush(GeoColor.GeographicColors.ShallowOcean);  
 
             WorldMapKitLayer worldMapKitLayer = new WorldMapKitLayer();  
             mapEngine.StaticLayers.Add(worldMapKitLayer);  
 
             //Projection used to convert the result of routing to Geodetic to match World Map Kit.  
             Proj4Projection proj4 = new Proj4Projection();  
             proj4.InternalProjectionParametersString = Proj4Projection.GetEsriParametersString(102339); //State Plane Texas Central  
             proj4.ExternalProjectionParametersString = Proj4Projection.GetEpsgParametersString(4326);// Geodetic WGS84  
 
             //Layer of the routing data in meters (State Plane)  
             ShapeFileFeatureLayer Layer1 = new ShapeFileFeatureLayer(@"..\..\Data\stateplaneaustinstreets.shp");  
 
             //Converts the start and end point to State Plane to do the routing in the projection of the street data.  
             proj4.Open();  
             Vertex startVertex = proj4.ConvertToInternalProjection(-97.7277, 30.3018);  
             Vertex endVertex = proj4.ConvertToInternalProjection(-97.7507, 30.2821);  
 
             //Gets the feature nearest to the start and end point.  
             Layer1.Open();  
             Collection<Feature> startFeatures = Layer1.QueryTools.GetFeaturesNearestTo(new PointShape(startVertex), GeographyUnit.Meter, 1, ReturningColumnsType.NoColumns);  
             Collection<Feature> endFeatures = Layer1.QueryTools.GetFeaturesNearestTo(new PointShape(endVertex), GeographyUnit.Meter, 1, ReturningColumnsType.NoColumns);  
             Layer1.Close();  
 
             //Now we have our data ready (the street layer and the start/end points), so we can start doing the routing in the original projection (State Plane).  
             //Notice that we are not using RoutingLayer which is no more than a convenient class to display routing result and start/end points. The whole routing logic  
             //can be performed without using that class.  
             RtgRoutingSource rtgRoutingSource = new RtgRoutingSource(@"..\..\Data\stateplaneaustinstreets.rtg");  
             RoutingEngine routingEngine = new RoutingEngine(rtgRoutingSource, Layer1.FeatureSource);  
 
             //Make sure the geography Unit is set to Meter as the projection is State Plane meters.  
             routingEngine.GeographyUnit = GeographyUnit.Meter;  
 
             //Gets the routing result.  
             RoutingResult routingResult = routingEngine.GetRoute(startFeatures[0].GetShape().GetCenterPoint(), endFeatures[0].GetShape().GetCenterPoint());  
 
             //We convert to Geodetic (decimal degrees) the results from the routing.  
             LineShape georouteMultilineShape = (LineShape)proj4.ConvertToExternalProjection(routingResult.Route);  
             PointShape geoStartPointShape = (PointShape)proj4.ConvertToExternalProjection(startFeatures[0].GetShape().GetCenterPoint());  
             PointShape geoEndPointShape = (PointShape)proj4.ConvertToExternalProjection(endFeatures[0].GetShape().GetCenterPoint());  
             proj4.Close();  
 
             //We use the InMemoryFeatureLayers to display the routing results and the start/end points in the projected Geodetic to match World Map Kit.  
             InMemoryFeatureLayer routeInMemoryFeatureLayer = new InMemoryFeatureLayer();  
             routeInMemoryFeatureLayer.ZoomLevelSet.ZoomLevel01.DefaultLineStyle = LineStyles.CreateSimpleLineStyle(GeoColor.FromArgb(150, GeoColor.StandardColors.Red), 5, true);  
             routeInMemoryFeatureLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
 
             routeInMemoryFeatureLayer.Open();  
             routeInMemoryFeatureLayer.EditTools.BeginTransaction();  
             routeInMemoryFeatureLayer.EditTools.Add(new Feature(georouteMultilineShape));  
             routeInMemoryFeatureLayer.EditTools.CommitTransaction();  
             routeInMemoryFeatureLayer.Close();  
 
             InMemoryFeatureLayer pointInMemoryFeatureLayer = new InMemoryFeatureLayer();  
             pointInMemoryFeatureLayer.ZoomLevelSet.ZoomLevel01.DefaultPointStyle = PointStyles.CreateSimpleCircleStyle(GeoColor.StandardColors.Orange, 12);  
             pointInMemoryFeatureLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
 
             pointInMemoryFeatureLayer.Open();  
             pointInMemoryFeatureLayer.EditTools.BeginTransaction();  
             pointInMemoryFeatureLayer.EditTools.Add(new Feature(geoStartPointShape));  
             pointInMemoryFeatureLayer.EditTools.Add(new Feature(geoEndPointShape));  
             pointInMemoryFeatureLayer.EditTools.CommitTransaction();  
             pointInMemoryFeatureLayer.Close();  
 
             mapEngine.DynamicLayers.Add(routeInMemoryFeatureLayer);  
             mapEngine.DynamicLayers.Add(pointInMemoryFeatureLayer);  
 
             DrawImage();  
         }  
 
         private void DrawImage()  
         {  
             if (bitmap != null) { bitmap.Dispose(); }  
             bitmap = new Bitmap(Map.Width, Map.Height);  
             mapEngine.OpenAllLayers();  
             mapEngine.DrawStaticLayers(bitmap, GeographyUnit.DecimalDegree);  
             mapEngine.DrawDynamicLayers(bitmap, GeographyUnit.DecimalDegree);  
             mapEngine.CloseAllLayers();  
 
             Map.Image = bitmap;  
         }  
 
         private void ToolBar_ButtonClick(object sender, ToolBarButtonClickEventArgs e)  
         {  
             switch (e.Button.Tag.ToString())  
             {  
                 case "Zoom In":  
                     mapEngine.CurrentExtent.ScaleDown(50);  
                     break;  
 
                 case "Zoom Out":  
                     mapEngine.CurrentExtent.ScaleUp(50);  
                     break;  
 
                 case "Full Extent":  
                     mapEngine.CurrentExtent = ExtentHelper.GetDrawingExtent(new RectangleShape(-180.0, 83.0, 180.0, -90.0), Map.Width, Map.Height);  
                     break;  
 
                 case "Pan Left":  
                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Left, 20);  
                     break;  
 
                 case "Pan Right":  
                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Right, 20);  
                     break;  
 
                 case "Pan Up":  
                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Up, 20);  
                     break;  
 
                 case "Pan Down":  
                     mapEngine.CurrentExtent = ExtentHelper.Pan(mapEngine.CurrentExtent, PanDirection.Down, 20);  
                     break;  
 
                 default:  
                     break;  
             }  
             DrawImage();  
         }  
 
         private void btnClose_Click(object sender, EventArgs e)  
         {  
             this.Close();  
         }  
 
         private void Map_MouseMove(object sender, MouseEventArgs e)  
         {  
             //Displays the X and Y in screen coordinates.  
             statusStrip1.Items["toolStripStatusLabelScreen"].Text = "X:" + e.X + " Y:" + e.Y;  
 
             //Gets the PointShape in world coordinates from screen coordinates.  
             PointShape pointShape = ExtentHelper.ToWorldCoordinate(mapEngine.CurrentExtent, new ScreenPointF(e.X, e.Y), Map.Width, Map.Height);  
 
             //Displays world coordinates.  
             statusStrip1.Items["toolStripStatusLabelWorld"].Text = "(world) X:" + Math.Round(pointShape.X, 4) + " Y:" + Math.Round(pointShape.Y, 4);  
         }  
     }  
 }