====== Source Code ServicesEditionSample PacificRim CS 090728.zip ======


====OffsetProjection.cs====

<code csharp> using System;  
 using System.Collections.Generic;  
 using System.Linq;  
 using System.Text;  
 using ThinkGeo.MapSuite.Core;  
  
 namespace PacificRim  
 {  
     //This class, inheriting from Projection, applies the very simple projection of offsetting all the points  
     //360 degrees to the left.  
  
     class OffsetProjection: Projection, IDisposable  
     {  
         protected override Vertex[] ConvertToExternalProjectionCore(double[] x, double[] y)  
         {  
  
             Vertex[] vertices = new Vertex[x.Length];  
  
             for (int i = 0; i < vertices.Length; i++)  
             {  
                 vertices[i] = new Vertex(x[i] - 360, y[i]);  
             }  
             return vertices;  
         }  
  
         protected override Vertex[] ConvertToInternalProjectionCore(double[] x, double[] y)  
         {  
             Vertex[] vertices = new Vertex[x.Length];  
  
             for (int i = 0; i < vertices.Length; i++)  
             {  
                 vertices[i] = new Vertex(x[i] + 360, y[i]);  
             }  
             return vertices;  
         }  
  
         public void Dispose()  
         {  
             Dispose(true);  
             GC.SuppressFinalize(this);  
         }  
  
         private void Dispose(bool disposing)  
         {  
             Close();  
         }  
     }  
 }  
 </code>


====Program.cs====

<code csharp> using System;  
 using System.Collections.Generic;  
 using System.Linq;  
 using System.Windows.Forms;  
  
 namespace PacificRim  
 {  
     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());  
         }  
     }  
 }  
 </code>



====TestForm.cs====

<code csharp> using System;  
 using System.Drawing;  
 using System.Windows.Forms;  
 using ThinkGeo.MapSuite.Core;  
 using System.Collections.ObjectModel;  
  
 namespace PacificRim  
 {  
     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)  
         {  
             //We are loading the same ShapeFile twice: Once unprojected and a second time projecting  
             //all the features 360 degrees to the left.  
             ShapeFileFeatureLayer worldLayer = new ShapeFileFeatureLayer(@"..\..\Data\countries02.shp");  
             worldLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.Country1;  
             worldLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
             mapEngine.StaticLayers.Add("WorldLayer", worldLayer);  
  
             OffsetProjection offsetProj = new OffsetProjection();  
  
             //Loads the country layer with the Projection offsetting all the features 360 degrees to the left.  
             ShapeFileFeatureLayer worldLayerOffset = new ShapeFileFeatureLayer(@"..\..\Data\countries02.shp", @"..\..\Data\countries_offset.idx");  
             worldLayerOffset.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.Country1;  
             worldLayerOffset.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
             worldLayerOffset.FeatureSource.Projection = offsetProj;  
              mapEngine.StaticLayers.Add("World Offset", worldLayerOffset);  
  
  
              mapEngine.BackgroundFillBrush = new GeoSolidBrush(GeoColor.GeographicColors.ShallowOcean);  
  
             //Notice that the current extent has to be expressed in the projected values to have the map  
             //centered on the Pacific.  
             //80 - 360 = -280  
              mapEngine.CurrentExtent = ExtentHelper.GetDrawingExtent(new RectangleShape(-280, 58, -70, -20), Map.Width, Map.Height);  
  
  
             DrawImage();  
         }  
  
  
       private void DrawImage()  
         {  
             if (bitmap != null) { bitmap.Dispose(); }  
             bitmap = new Bitmap(Map.Width, Map.Height);  
             mapEngine.OpenAllLayers();  
             mapEngine.DrawStaticLayers(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(-280, 58, -70, -20), 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();  
         }  
     }  
 }  
 </code>