Table of Contents

Source Code DesktopEditionSample ShapefileToGoogleMap CS 100609.zip

Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
namespace ShapefileToGoogleMap
{
    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.Windows.Forms;
using System.Collections.ObjectModel;
using ThinkGeo.MapSuite.Core;
using ThinkGeo.MapSuite.DesktopEdition;
 
namespace  ShapefileToGoogleMap
{
    public partial class TestForm : Form
    {
        public TestForm()
        {
            InitializeComponent();
        }
        private void TestForm_Load(object sender, EventArgs e)
        {
            //We need to set the map unit to meter because we are using Google Map Spherical Mercator projection.
            winformsMap1.MapUnit = GeographyUnit.Meter;
            winformsMap1.BackgroundOverlay.BackgroundBrush = new GeoSolidBrush(GeoColor.FromArgb(255, 198, 255, 255));
            //Sets Google Map as the background map.
            GoogleMapsOverlay googleMapsOverlay = new GoogleMapsOverlay();
            winformsMap1.Overlays.Add(googleMapsOverlay);
            //Projection to go from Geodetic (Longitude/Latitude) to Google Map projection (Spherical Mercator).
            Proj4Projection proj4 = new Proj4Projection();
            proj4.InternalProjectionParametersString = Proj4Projection.GetEpsgParametersString(4326); //Geodetic projection (Longitude/Latitude).
            proj4.ExternalProjectionParametersString = Proj4Projection.GetGoogleMapParametersString();
            ShapeFileFeatureLayer schoolShapeLayer = new ShapeFileFeatureLayer(@"..\..\Data\austinschools.shp");
            schoolShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultPointStyle = PointStyles.CreateSimplePointStyle(PointSymbolType.Circle, GeoColor.StandardColors.Red,GeoColor.StandardColors.Black, 9);
            schoolShapeLayer.ZoomLevelSet.ZoomLevel01.DefaultTextStyle = TextStyles.CreateMaskTextStyle("NAME", new GeoFont("Arial", 10, DrawingFontStyles.Bold),
            new GeoSolidBrush(GeoColor.StandardColors.Black), new AreaStyle(new GeoSolidBrush(GeoColor.StandardColors.LightGoldenrodYellow)), 13, 0);
            schoolShapeLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
            //Sets the projection to the shapefile layer.
            schoolShapeLayer.FeatureSource.Projection = proj4;
            LayerOverlay staticOverlay = new LayerOverlay();
            staticOverlay.Layers.Add("SchoolShapeLayer", schoolShapeLayer);
            winformsMap1.Overlays.Add(staticOverlay);
            //Sets the extent of the map as the bounding box of the shapefile layer as projected (Google Map Spherical Mercator).
            schoolShapeLayer.Open();
            winformsMap1.CurrentExtent = schoolShapeLayer.GetBoundingBox();
            schoolShapeLayer.Close();
            winformsMap1.Refresh();
        }
 
        private void winformsMap1_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(winformsMap1.CurrentExtent, new ScreenPointF(e.X, e.Y), winformsMap1.Width, winformsMap1.Height);
            //Displays world coordinates.
            statusStrip1.Items["toolStripStatusLabelWorld"].Text = "(world) X:" + Math.Round(pointShape.X, 4) + " Y:" + Math.Round(pointShape.Y, 4);
        }
        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}