====== Source Code ServicesEditionSample MapShapes CS 090728.zip ======
====MapShape.cs====
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ThinkGeo.MapSuite.Core;
namespace MapShapes
{
// This is our MapShape and it will be the single unit in our layer.
class MapShape
{
private Feature feature;
private ZoomLevelSet zoomLevelSet;
public MapShape()
: this(new Feature())
{
}
// Let's use this as a handy constructor if you already have
// a feature or want to create one inline.
public MapShape(Feature feature)
{
this.feature = feature;
zoomLevelSet = new ZoomLevelSet();
}
// This is the feature property, pretty simple.
public Feature Feature
{
get { return feature; }
set { feature = value; }
}
// This is the Zoom Level Set. This high level object has all of
// the logic in it for zoom levels, drawing and everything.
public ZoomLevelSet ZoomLevels
{
get { return zoomLevelSet; }
set { zoomLevelSet = value; }
}
}
}
====MapShapeLayer.cs====
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using ThinkGeo.MapSuite.Core;
namespace MapShapes
{
// Ideally I would want to make this inherit from the FeatureLayer
// so you could do spatial queries. In the interests of time I
// inherited from the Layer to make things simple and show the point
// of how easy it is to extend Map Suite. When we roll this into
// the main product we may create a FeatureSource and FeatureLayer.
class MapShapeLayer : Layer
{
private Dictionary mapShapes;
public MapShapeLayer()
{
mapShapes = new Dictionary();
}
// Here is where you place all of your map shapes.
public Dictionary MapShapes
{
get { return mapShapes; }
}
// This is a required overload of the Layer. As you can see we simply
// loop through all of our map shapes and then choose the correct zoom level.
// After that, the zoom level class takes care of the heavy lifiting. You
// have to love how easy this framework is to re-use.
protected override void DrawCore(GeoCanvas canvas, Collection labelsInAllLayers)
{
foreach (string mapShapeKey in mapShapes.Keys)
{
MapShape mapShape = mapShapes[mapShapeKey];
ZoomLevel currentZoomLevel = mapShape.ZoomLevels.GetZoomLevelForDrawing(canvas.CurrentWorldExtent, canvas.Width,GeographyUnit.DecimalDegree);
if (currentZoomLevel != null)
{
if (canvas.CurrentWorldExtent.Intersects(mapShape.Feature.GetBoundingBox()))
{
currentZoomLevel.Draw(canvas, new Feature[] { mapShape.Feature }, new Collection(), labelsInAllLayers);
}
}
}
}
}
}
====Program.cs====
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
namespace MapShapes
{
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.Drawing;
using System.Windows.Forms;
using ThinkGeo.MapSuite.Core;
namespace MapShapes
{
public partial class TestForm : Form
{
private MapEngine mapEngine = new MapEngine();
private Bitmap bitmap = null;
private ShapeFileFeatureLayer worldLayer = null;
public TestForm()
{
InitializeComponent();
}
private void TestForm_Load(object sender, EventArgs e)
{
// Set the full extent and the background color
mapEngine.CurrentExtent = ExtentHelper.GetDrawingExtent(new RectangleShape(-180.0, 83.0, 180.0, -90.0), Map.Width, Map.Height);
mapEngine.BackgroundFillBrush = new GeoSolidBrush(GeoColor.GeographicColors.ShallowOcean);
// Add the worldLayer to the MapEngine
worldLayer = new ShapeFileFeatureLayer(@"..\..\Data\Countries02.shp", ShapeFileReadWriteMode.ReadOnly);
worldLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyles.County1;
worldLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
mapEngine.StaticLayers.Add("WorldLayer", worldLayer);
// This is just a code snippet to show you how the new
// layer should be used.
// Add the mapShapeLayer to the MapEngine
MapShapeLayer mapShapeLayer = new MapShapeLayer();
MapShape mapShape1 = new MapShape(new Feature(-104, 42));
mapShape1.ZoomLevels.ZoomLevel01.DefaultPointStyle = new PointStyle(new GeoImage(@"..\..\Data\Cargo Plane.png"));
mapShape1.ZoomLevels.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
mapShapeLayer.MapShapes.Add("1", mapShape1);
MapShape mapShape2 = new MapShape(new Feature(104, 39));
mapShape2.ZoomLevels.ZoomLevel01.DefaultPointStyle = new PointStyle(new GeoImage(@"..\..\Data\China.png"));
mapShape2.ZoomLevels.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
mapShapeLayer.MapShapes.Add("2", mapShape2);
worldLayer.Open();
Feature feature3 = worldLayer.QueryTools.GetFeatureById("222", ReturningColumnsType.AllColumns);
MapShape mapShape3 = new MapShape(feature3);
mapShape3.ZoomLevels.ZoomLevel01.DefaultAreaStyle = AreaStyles.Forest1;
mapShape3.ZoomLevels.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
mapShapeLayer.MapShapes.Add("3", mapShape3);
BaseShape shape = new PointShape(-71, -52).GetShortestLineTo(new PointShape(38, 8), GeographyUnit.DecimalDegree);
MapShape mapShape4 = new MapShape(new Feature(shape));
mapShape4.ZoomLevels.ZoomLevel01.DefaultLineStyle = LineStyles.ContestedBorder2;
mapShape4.ZoomLevels.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
mapShapeLayer.MapShapes.Add("4", mapShape4);
mapEngine.StaticLayers.Add("MapShapeLayer", mapShapeLayer);
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(-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();
}
}
}