====== 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
{
///
/// The main entry point for the application.
///
[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();
}
}
}