using System;
using System.Drawing;
using System.Windows.Forms;
using ThinkGeo.MapSuite.Core;
namespace TimeBasedPointStyle
{
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 static layers 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);
ShapeFileFeatureLayer worldCapitalsLayer = new ShapeFileFeatureLayer(@"..\..\Data\WorldCapitals.shp", ShapeFileReadWriteMode.ReadOnly);
worldCapitalsLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
TimeBasedPointStyle timeBasedPointStyle = new TimeBasedPointStyle();
timeBasedPointStyle.TimeZoneColumnName = "TimeZone";
timeBasedPointStyle.DaytimePointStyle = PointStyles.CreateSimpleCircleStyle(GeoColor.StandardColors.Yellow, 8);
timeBasedPointStyle.NighttimePointStyle = PointStyles.CreateSimpleCircleStyle(GeoColor.StandardColors.Gray, 8);
worldCapitalsLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Clear();
worldCapitalsLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(timeBasedPointStyle);
mapEngine.StaticLayers.Add("WorldCapitals", worldCapitalsLayer);
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();
}
}
}
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using ThinkGeo.MapSuite.Core;
namespace TimeBasedPointStyle
{
// Mark the class Serializable so that it workes in SQL Server state
// and in every serialization context
[Serializable]
class TimeBasedPointStyle : Style
{
private PointStyle daytimePointStyle;
private PointStyle nighttimePointStyle;
private string timeZoneColumnName;
public TimeBasedPointStyle()
: this(string.Empty, new PointStyle(), new PointStyle())
{ }
public TimeBasedPointStyle(string timeZoneColumnName, PointStyle daytimePointStyle, PointStyle nighttimePointStyle)
{
this.timeZoneColumnName = timeZoneColumnName;
this.daytimePointStyle = daytimePointStyle;
this.nighttimePointStyle = nighttimePointStyle;
}
public PointStyle DaytimePointStyle
{
get { return daytimePointStyle; }
set { daytimePointStyle = value; }
}
public PointStyle NighttimePointStyle
{
get { return nighttimePointStyle; }
set { nighttimePointStyle = value; }
}
public string TimeZoneColumnName
{
get { return timeZoneColumnName; }
set { timeZoneColumnName = value; }
}
protected override void DrawCore(IEnumerable<Feature> features, GeoCanvas canvas, Collection<SimpleCandidate> labelsInThisLayer, Collection<SimpleCandidate> labelsInAllLayers)
{
foreach (Feature feature in features)
{
// Here we are going to do the calculation to see what
// time it is for each feature and draw the approperate style
float offsetToGmt = Convert.ToSingle(feature.ColumnValues[timeZoneColumnName]);
DateTime localTime = DateTime.UtcNow.AddHours(offsetToGmt);
if (localTime.Hour >= 7 && localTime.Hour <= 19)
{
// Daytime
daytimePointStyle.Draw(new Collection<Feature>() { feature }, canvas, labelsInThisLayer, labelsInAllLayers);
}
else
{
//Nighttime
nighttimePointStyle.Draw(new Collection<Feature>() { feature }, canvas, labelsInThisLayer, labelsInAllLayers);
}
}
}
protected override Collection<string> GetRequiredColumnNamesCore()
{
Collection<string> columns = new Collection<string>();
// Grab any columns that the daytime style may need.
Collection<string> daytimeColumns = daytimePointStyle.GetRequiredColumnNames();
foreach (string column in daytimeColumns)
{
if (!columns.Contains(column))
{
columns.Add(column);
}
}
// Grab any columns that the nighttime style may need.
Collection<string> nighttimeColumns = nighttimePointStyle.GetRequiredColumnNames();
foreach (string column in nighttimeColumns)
{
if (!columns.Contains(column))
{
columns.Add(column);
}
}
// Make sure we add the timezone column
if (!columns.Contains(timeZoneColumnName))
{
columns.Add(timeZoneColumnName);
}
return columns;
}
}
}