====== Source Code ServicesEditionSample BuildCustomShapefileIndexes CS 100120.zip ======
====Program.cs====
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
namespace BuildCustomIndexes
{
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.Collections.ObjectModel;
using System.Drawing;
using System.Windows.Forms;
using ThinkGeo.MapSuite.Core;
namespace BuildCustomIndexes
{
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 current extent and the background color.
mapEngine.CurrentExtent = ExtentHelper.GetDrawingExtent(new RectangleShape(-97.7064075692848, 30.3432859644701, -97.6936334963502, 30.3358631923594), Map.Width, Map.Height);
mapEngine.BackgroundFillBrush = new GeoSolidBrush(GeoColor.StandardColors.LightGray);
// Build the first index that selects local roads by their CFCC column using the regex matching expression.
ShapeFileFeatureLayer.BuildIndexFile(@"..\..\Data\Austinstreets.shp", @"..\..\Data\LocalRoad.idx", "CFCC", "A[4-9][0-9]", BuildIndexMode.DoNotRebuild);
// Build another index that selects highways by their CFCC column using the regex matching expression.
ShapeFileFeatureLayer.BuildIndexFile(@"..\..\Data\Austinstreets.shp", @"..\..\Data\Highway.idx", "CFCC", "A[1-3][0-9]", BuildIndexMode.DoNotRebuild);
// Here we load the streets shapefile but we specify the local roads index.
// Even though the roads shapefile has highways in them by specifying the local roads index it will
// make it seem like the highways are gone.
ShapeFileFeatureLayer localRoadLayer = new ShapeFileFeatureLayer(@"..\..\Data\Austinstreets.shp", @"..\..\Data\LocalRoad.idx");
localRoadLayer.ZoomLevelSet.ZoomLevel01.DefaultLineStyle = LineStyles.LocalRoad1;
localRoadLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
mapEngine.StaticLayers.Add("LocalRoadLayer", localRoadLayer);
// Here we load the same streets shapefile but we specify the highways index.
ShapeFileFeatureLayer highwayLayer = new ShapeFileFeatureLayer(@"..\..\Data\Austinstreets.shp", @"..\..\Data\Highway.idx");
highwayLayer.ZoomLevelSet.ZoomLevel01.DefaultLineStyle = LineStyles.Highway1;
highwayLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
mapEngine.StaticLayers.Add("HighwayLayer", highwayLayer);
// Draw the map image on the screen.
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);
}
}
}