User Tools

Site Tools


source_code_serviceseditionsample_multiindex_cs_100106.zip

Source Code ServicesEditionSample MultiIndex CS 100106.zip

Program.cs

 using System;  
 using System.Collections.Generic;  
 using System.Linq;  
 using System.Windows.Forms;  
 
 namespace MultipleShapeFileFeatureSource  
 {  
     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());  
         }  
     }  
 }  
 

TestForm.cs

 using System;  
 using System.Collections.ObjectModel;  
 using System.Drawing;  
 using System.Windows.Forms;  
 using ThinkGeo.MapSuite.Core;  
 
 namespace MultipleShapeFileFeatureSource  
 {  
     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(-75.7,47.87,-63.7,41.02), Map.Width, Map.Height);  
             mapEngine.BackgroundFillBrush = new GeoSolidBrush(GeoColor.GeographicColors.ShallowOcean);  
 
             //Displays the World Map Kit as a background.  
             ThinkGeo.MapSuite.Core.WorldMapKitLayer worldMapKitLayer = new ThinkGeo.MapSuite.Core.WorldMapKitLayer();  
             mapEngine.StaticLayers.Add(worldMapKitLayer);  
 
             DrawImage();  
         }  
 
 
         //Here we are creating a Layer for each shapefile building a separate spatial index for each.  
         //The same ClassBreakStyle can be used for all the layers but you can see how a lot of code has to be repeated  
         //to add the ClassBreakStyle to each layer.  
         //You can see how in this case it makes more sense to use a multi index.  
         private void DisplayWithRegularIndex()  
         {  
             mapEngine.StaticLayers.Clear();  
 
             //Displays the World Map Kit as a background.  
             ThinkGeo.MapSuite.Core.WorldMapKitLayer worldMapKitLayer = new ThinkGeo.MapSuite.Core.WorldMapKitLayer();  
             mapEngine.StaticLayers.Add(worldMapKitLayer);  
 
             //  
             ClassBreakStyle classBreakStyle = new ClassBreakStyle("POP1990");  
             GeoPen geoPen = new GeoPen(GeoColor.StandardColors.Black, 1);  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(double.MinValue, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 185, 255, 185)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(5000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 81, 255, 81)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(15000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 0, 204, 0)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(100000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 0, 98, 0)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(500000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 0, 39, 0)))));  
 
             ShapeFileFeatureLayer Layer1 = new ShapeFileFeatureLayer(@"..\..\Data\mi_counties.shp");  
             ShapeFileFeatureLayer.BuildIndexFile(@"..\..\Data\mi_counties.shp", BuildIndexMode.DoNotRebuild);  
             Layer1.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
             Layer1.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(classBreakStyle);  
             mapEngine.StaticLayers.Add("Maine Counties", Layer1);  
 
             ShapeFileFeatureLayer Layer2 = new ShapeFileFeatureLayer(@"..\..\Data\nh_counties.shp");  
             ShapeFileFeatureLayer.BuildIndexFile(@"..\..\Data\nh_counties.shp", BuildIndexMode.DoNotRebuild);  
             Layer2.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
             Layer2.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(classBreakStyle);  
             mapEngine.StaticLayers.Add("New Hampshire Counties", Layer2);  
 
             ShapeFileFeatureLayer Layer3 = new ShapeFileFeatureLayer(@"..\..\Data\vm_counties.shp");  
             ShapeFileFeatureLayer.BuildIndexFile(@"..\..\Data\vm_counties.shp", BuildIndexMode.DoNotRebuild);  
             Layer3.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
             Layer3.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(classBreakStyle);  
             mapEngine.StaticLayers.Add("Vermont Counties", Layer3);  
 
             ShapeFileFeatureLayer Layer4 = new ShapeFileFeatureLayer(@"..\..\Data\ma_counties.shp");  
             ShapeFileFeatureLayer.BuildIndexFile(@"..\..\Data\ma_counties.shp", BuildIndexMode.DoNotRebuild);  
             Layer4.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
             Layer4.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(classBreakStyle);  
             mapEngine.StaticLayers.Add("Massachusetts Counties", Layer4);  
 
             ShapeFileFeatureLayer Layer5 = new ShapeFileFeatureLayer(@"..\..\Data\ri_counties.shp");  
             ShapeFileFeatureLayer.BuildIndexFile(@"..\..\Data\ri_counties.shp", BuildIndexMode.DoNotRebuild);  
             Layer5.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
             Layer5.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(classBreakStyle);  
             mapEngine.StaticLayers.Add("Rhode Island Counties", Layer5);  
 
             ShapeFileFeatureLayer Layer6 = new ShapeFileFeatureLayer(@"..\..\Data\ct_counties.shp");  
             ShapeFileFeatureLayer.BuildIndexFile(@"..\..\Data\ct_counties.shp", BuildIndexMode.DoNotRebuild);  
             Layer6.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
             Layer6.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(classBreakStyle);  
             mapEngine.StaticLayers.Add("Connecticut Counties", Layer6);  
 
             DrawImage();  
         }  
 
 
 
         //Here we create a Multi Layer from several shapefiles with the same structure in the same folder having the same naming pattern.  
         private void DisplayWithMultipleIndex()  
         {  
             mapEngine.StaticLayers.Clear();  
 
             //Displays the World Map Kit as a background.  
             ThinkGeo.MapSuite.Core.WorldMapKitLayer worldMapKitLayer = new ThinkGeo.MapSuite.Core.WorldMapKitLayer();  
             mapEngine.StaticLayers.Add(worldMapKitLayer);  
 
             //This represent the same structure shapefiles in the folder: ct_counties.shp, mi_counties.shp etc.  
             string countyShapeFilePatten = @"..\..\Data\??" + "_counties.shp";  
 
             //Multi spatial index.  
             string countyIndexFilePatten = @"..\..\Data\" + "northeast_counties.midx";  
 
             //Builds the multi index and the MultipleShapeFileFeatureLayer.  
             MultipleShapeFileFeatureLayer.BuildIndex(countyShapeFilePatten, countyIndexFilePatten, BuildIndexMode.DoNotRebuild);  
             MultipleShapeFileFeatureLayer multiLayer = new MultipleShapeFileFeatureLayer(countyShapeFilePatten, countyIndexFilePatten);  
 
             ClassBreakStyle classBreakStyle = new ClassBreakStyle("POP1990");  
             GeoPen geoPen = new GeoPen(GeoColor.StandardColors.Black, 1);  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(double.MinValue, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 185, 255, 185)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(5000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 81, 255, 81)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(15000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 0, 204, 0)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(100000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 0, 98, 0)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(500000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 0, 39, 0)))));  
 
             multiLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
             multiLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(classBreakStyle);  
             mapEngine.StaticLayers.Add("North East Counties", multiLayer);  
 
             DrawImage();  
 
         }  
 
         //Here we create a multi layer based on an array of shapefiles. This is usefull, if you don't want to use all the shapefiles in the folder  
         //or if their naming does not always follow the same pattern.  
         private void DisplaySelectedWithMultipleIndex()  
         {  
             mapEngine.StaticLayers.Clear();  
 
             //Displays the World Map Kit as a background.  
             ThinkGeo.MapSuite.Core.WorldMapKitLayer worldMapKitLayer = new ThinkGeo.MapSuite.Core.WorldMapKitLayer();  
             mapEngine.StaticLayers.Add(worldMapKitLayer);  
 
             string[] shapeFiles = new string[] { @"..\..\Data\ct_counties.shp", @"..\..\Data\ri_counties.shp",  
                                                  @"..\..\Data\ma_counties.shp", @"..\..\Data\vm_counties.shp" };  
             string[] indexFiles = new string[] { @"..\..\Data\ct_counties.midx", @"..\..\Data\ri_counties.midx",  
                                                  @"..\..\Data\ma_counties.midx", @"..\..\Data\vm_counties.midx" };  
             MultipleShapeFileFeatureLayer.BuildIndex(shapeFiles, indexFiles, BuildIndexMode.DoNotRebuild);  
 
             MultipleShapeFileFeatureLayer multiLayer = new MultipleShapeFileFeatureLayer(shapeFiles, indexFiles);  
 
             ClassBreakStyle classBreakStyle = new ClassBreakStyle("POP1990");  
             GeoPen geoPen = new GeoPen(GeoColor.StandardColors.Black, 1);  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(double.MinValue, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 185, 255, 185)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(5000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 81, 255, 81)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(15000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 0, 204, 0)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(100000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 0, 98, 0)))));  
             classBreakStyle.ClassBreaks.Add(new ClassBreak(500000, new AreaStyle(geoPen, new GeoSolidBrush(GeoColor.FromArgb(200, 0, 39, 0)))));  
 
             multiLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  
             multiLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(classBreakStyle);  
             mapEngine.StaticLayers.Add("North East Counties", multiLayer);  
 
             DrawImage();  
         }  
 
 
         private void btnRegular_Click(object sender, EventArgs e)  
         {  
             DisplayWithRegularIndex();  
         }  
 
         private void btnMultiple_Click(object sender, EventArgs e)  
         {  
             DisplayWithMultipleIndex();  
         }  
 
         private void button1_Click(object sender, EventArgs e)  
         {  
             DisplaySelectedWithMultipleIndex();  
         }  
 
        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);  
         }  
     }  
 }  
 
source_code_serviceseditionsample_multiindex_cs_100106.zip.txt · Last modified: 2015/09/09 03:18 by admin