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--- source_code_serviceseditionsample_zedgraph_cs_090930.zip [2015/08/20 03:08]
127.0.0.1 external edit
+++ source_code_serviceseditionsample_zedgraph_cs_090930.zip [2015/09/09 03:21] (current)
admin
@@ Line 1: / Line 1: @@
-====== Source_Code_ServicesEditionSample_ZedGraph_CS_090930.zip ======
+====== Source Code ServicesEditionSample ZedGraph CS 090930.zip ======
-<noinclude>{{article rating}}</noinclude>
 ====Program.cs====
-^ Code ^
-| <source lang="csharp" line="1">using System;  \\ using System.Collections.Generic;  \\ using System.Linq;  \\ using System.Windows.Forms;  \\  \\ namespace ZedGraph  \\ {  \\     static class Program  \\     {  \\         <nowiki>//</nowiki>/ <summary>  \\         <nowiki>//</nowiki>/ The main entry point for the application.  \\         <nowiki>//</nowiki>/ </summary>  \\         [[STAThread]]  \\         static void Main()  \\         {  \\             Application.EnableVisualStyles();  \\             Application.SetCompatibleTextRenderingDefault(false);  \\             Application.Run(new TestForm());  \\         }  \\     }  \\ }  \\ </source>   |
+<code csharp> using System;
+ using System.Collections.Generic;
+ using System.Linq;
+ using System.Windows.Forms;
+ namespace ZedGraph
+ {
+     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());
+         }
+     }
+ }
+ </code>
-====TestForm.cs====
-^ Code ^
-| <source lang="csharp" line="1">using System;  \\ using System.Drawing;  \\ using System.Globalization;  \\ using System.Windows.Forms;  \\ using ThinkGeo.MapSuite.Core;  \\ using ZedGraph;  \\  \\ namespace ZedGraph  \\ {  \\     public partial class TestForm : Form  \\     {  \\         private delegate Bitmap ToUIThreadDelegate(ZedGraphDrawingEventArgs e);  \\         private MapEngine mapEngine = new MapEngine();  \\         private Bitmap bitmap = null;  \\         ShapeFileFeatureLayer worldLayer = null;  \\         ShapeFileFeatureLayer cityFlueLayer = null;  \\  \\         public TestForm()  \\         {  \\             InitializeComponent();  \\         }  \\  \\         private void TestForm_Load(object sender, EventArgs e)  \\         {  \\             <nowiki>//</nowiki> Set the full extent and the background color  \\             mapEngine.CurrentExtent = ExtentHelper.GetDrawingExtent(new RectangleShape(-99.83,34.27,-89.28,27.15), Map.Width, Map.Height);  \\             mapEngine.BackgroundFillBrush = new GeoSolidBrush(GeoColor.GeographicColors.ShallowOcean);  \\  \\             <nowiki>//</nowiki> 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);  \\  \\             <nowiki>//</nowiki>Create our Zedgraph Sytle and wire up the event.  \\             ZedGraphStyle zedGraphStyle = new ZedGraphStyle();  \\             zedGraphStyle.ZedGraphDrawing += new EventHandler<ZedGraphDrawingEventArgs>(zedGraphStyle_ZedGraphDrawing);  \\  \\             <nowiki>//</nowiki>Adds the columns used by the ZedGraph  \\             zedGraphStyle.RequiredColumnNames.Add("WHITE");  \\             zedGraphStyle.RequiredColumnNames.Add("BLACK");  \\             zedGraphStyle.RequiredColumnNames.Add("ASIAN");  \\             zedGraphStyle.RequiredColumnNames.Add("HISPANIC");  \\             zedGraphStyle.RequiredColumnNames.Add("AREANAME");  \\  \\             cityFlueLayer = new ShapeFileFeatureLayer(@"..\..\Data\majorcities.shp", ShapeFileReadWriteMode.ReadOnly);  \\             cityFlueLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(zedGraphStyle);  \\             cityFlueLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;  \\  \\             mapEngine.StaticLayers.Add("CityLayer", cityFlueLayer);  \\  \\             DrawImage();  \\         }  \\  \\         private void zedGraphStyle_ZedGraphDrawing(object sender, ZedGraphDrawingEventArgs e)  \\         {  \\             e.Bitmap = (Bitmap)this.Invoke(new ToUIThreadDelegate(ZedGraphDrawing), new object[[]] { e });  \\         }  \\  \\  \\         private Bitmap ZedGraphDrawing(ZedGraphDrawingEventArgs e)  \\         {  \\             double scale = ExtentHelper.GetScale(mapEngine.CurrentExtent, mapEngine.Canvas.Width, GeographyUnit.DecimalDegree);  \\  \\             <nowiki>//</nowiki>Sets the size of the chart proportional to the total population  \\             <nowiki>//</nowiki>Note that here the values are hard coded. This could be extended to be customizable.  \\             int maximumGraphSize = 135;  \\             int minimumGraphSize = 300;  \\             int maximumValue = 8000000;  \\             int minimumValue = 100000;  \\  \\             <nowiki>//</nowiki>Gets the different values for the current feature and calculates the total value and the  \\             <nowiki>//</nowiki>size of the chart.  \\             int value1 = Convert.ToInt32(e.Feature.ColumnValues[["WHITE"]]);  \\             int value2 = Convert.ToInt32(e.Feature.ColumnValues[["BLACK"]]);  \\             int value3 = Convert.ToInt32(e.Feature.ColumnValues[["ASIAN"]]);  \\             int value4 = Convert.ToInt32(e.Feature.ColumnValues[["HISPANIC"]]);  \\             string areaName = e.Feature.ColumnValues[["AREANAME"]];  \\             int totalValue = value1 + value2 + value3 + value4;  \\             int perc1 = (value1 * 100) / totalValue;  \\             int perc2 = (value2 * 100) / totalValue;  \\             int perc3 = (value3 * 100) / totalValue;  \\             int perc4 = (value4 * 100) / totalValue;  \\  \\             int graphHeight = (int)(maximumGraphSize - ((totalValue - minimumValue) * (maximumGraphSize - minimumGraphSize)) /  \\                                           (maximumValue - minimumValue));  \\  \\             <nowiki>//</nowiki>Sets the properties of the ZedGraphControl for the desired appearance.  \\             ZedGraphControl zedGraph = new ZedGraphControl();  \\             zedGraph.Size = new Size(graphHeight, graphHeight);  \\             zedGraph.GraphPane.Fill.Type = FillType.None;  \\             zedGraph.GraphPane.Chart.Fill.Type = FillType.None;  \\             zedGraph.GraphPane.Border.IsVisible = false;  \\             zedGraph.GraphPane.Chart.Border.IsVisible = false;  \\             zedGraph.GraphPane.XAxis.IsVisible = false;  \\             zedGraph.GraphPane.YAxis.IsVisible = false;  \\             zedGraph.GraphPane.Legend.IsVisible = false;  \\             zedGraph.GraphPane.Title.IsVisible = false;  \\             zedGraph.GraphPane.IsFontsScaled = false;  \\  \\             <nowiki>//</nowiki>Adds the different pie slices with the percentage label.  \\             if (value1 > 0)  \\             {  \\                 PieItem pieItem1 = null;  \\                 pieItem1 = zedGraph.GraphPane.AddPieSlice(value1, Color.FromArgb(150, Color.Blue), Color.White, 45f, 0,Convert.ToString(perc1));  \\                 pieItem1.LabelDetail.IsVisible = true;  \\             }  \\  \\             if (value2 > 0)  \\             {  \\                 PieItem pieItem2 = null;  \\                 pieItem2 = zedGraph.GraphPane.AddPieSlice(value2, Color.FromArgb(150, Color.Brown), Color.White, 45f, 0, Convert.ToString(perc2));  \\                 pieItem2.LabelDetail.IsVisible = true;  \\              }  \\  \\             if (value3 > 0)  \\             {  \\                 PieItem pieItem3 = null;  \\                 pieItem3 = zedGraph.GraphPane.AddPieSlice(value3, Color.FromArgb(150, Color.Yellow), Color.White, 45f, 0, Convert.ToString(perc3));  \\                 pieItem3.LabelDetail.IsVisible = true;  \\             }  \\  \\             if (value4 > 0)  \\             {  \\                 PieItem pieItem4 = null;  \\                 pieItem4 = zedGraph.GraphPane.AddPieSlice(value4, Color.FromArgb(150, Color.Red), Color.White, 45f, 0, Convert.ToString(perc4));  \\                 pieItem4.LabelDetail.IsVisible = true;  \\             }  \\  \\             <nowiki>//</nowiki>Makes a text label to highlight the city name and the total value.  \\             TextObj text = new TextObj(areaName + ": " + totalValue,0.1, 0.15, CoordType.PaneFraction);  \\             text.Location.AlignH = AlignH.Left;  \\             text.Location.AlignV = AlignV.Bottom;  \\             text.FontSpec.Border.IsVisible = false;  \\             text.FontSpec.Fill = new Fill(Color.White, Color.FromArgb(255, 100, 100), 45F);  \\             text.FontSpec.StringAlignment = StringAlignment.Center;  \\             zedGraph.GraphPane.GraphObjList.Add(text);  \\  \\             return zedGraph.GraphPane.GetImage();  \\         }  \\  \\        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();  \\         }  \\     }  \\ }  \\ </source>   |
+====TestForm.cs====
+<code csharp> using System;
+ using System.Drawing;
+ using System.Globalization;
+ using System.Windows.Forms;
+ using ThinkGeo.MapSuite.Core;
+ using ZedGraph;
+ namespace ZedGraph
+ {
+     public partial class TestForm : Form
+     {
+         private delegate Bitmap ToUIThreadDelegate(ZedGraphDrawingEventArgs e);
+         private MapEngine mapEngine = new MapEngine();
+         private Bitmap bitmap = null;
+         ShapeFileFeatureLayer worldLayer = null;
+         ShapeFileFeatureLayer cityFlueLayer = 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(-99.83,34.27,-89.28,27.15), 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);
+             //Create our Zedgraph Sytle and wire up the event.
+             ZedGraphStyle zedGraphStyle = new ZedGraphStyle();
+             zedGraphStyle.ZedGraphDrawing += new EventHandler<ZedGraphDrawingEventArgs>(zedGraphStyle_ZedGraphDrawing);
+             //Adds the columns used by the ZedGraph
+             zedGraphStyle.RequiredColumnNames.Add("WHITE");
+             zedGraphStyle.RequiredColumnNames.Add("BLACK");
+             zedGraphStyle.RequiredColumnNames.Add("ASIAN");
+             zedGraphStyle.RequiredColumnNames.Add("HISPANIC");
+             zedGraphStyle.RequiredColumnNames.Add("AREANAME");
+             cityFlueLayer = new ShapeFileFeatureLayer(@"..\..\Data\majorcities.shp", ShapeFileReadWriteMode.ReadOnly);
+             cityFlueLayer.ZoomLevelSet.ZoomLevel01.CustomStyles.Add(zedGraphStyle);
+             cityFlueLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
+             mapEngine.StaticLayers.Add("CityLayer", cityFlueLayer);
+             DrawImage();
+         }
+         private void zedGraphStyle_ZedGraphDrawing(object sender, ZedGraphDrawingEventArgs e)
+         {
+             e.Bitmap = (Bitmap)this.Invoke(new ToUIThreadDelegate(ZedGraphDrawing), new object[] { e });
+         }
+         private Bitmap ZedGraphDrawing(ZedGraphDrawingEventArgs e)
+         {
+             double scale = ExtentHelper.GetScale(mapEngine.CurrentExtent, mapEngine.Canvas.Width, GeographyUnit.DecimalDegree);
+             //Sets the size of the chart proportional to the total population
+             //Note that here the values are hard coded. This could be extended to be customizable.
+             int maximumGraphSize = 135;
+             int minimumGraphSize = 300;
+             int maximumValue = 8000000;
+             int minimumValue = 100000;
+             //Gets the different values for the current feature and calculates the total value and the
+             //size of the chart.
+             int value1 = Convert.ToInt32(e.Feature.ColumnValues["WHITE"]);
+             int value2 = Convert.ToInt32(e.Feature.ColumnValues["BLACK"]);
+             int value3 = Convert.ToInt32(e.Feature.ColumnValues["ASIAN"]);
+             int value4 = Convert.ToInt32(e.Feature.ColumnValues["HISPANIC"]);
+             string areaName = e.Feature.ColumnValues["AREANAME"];
+             int totalValue = value1 + value2 + value3 + value4;
+             int perc1 = (value1 * 100) / totalValue;
+             int perc2 = (value2 * 100) / totalValue;
+             int perc3 = (value3 * 100) / totalValue;
+             int perc4 = (value4 * 100) / totalValue;
+             int graphHeight = (int)(maximumGraphSize - ((totalValue - minimumValue) * (maximumGraphSize - minimumGraphSize)) /
+                                           (maximumValue - minimumValue));
+             //Sets the properties of the ZedGraphControl for the desired appearance.
+             ZedGraphControl zedGraph = new ZedGraphControl();
+             zedGraph.Size = new Size(graphHeight, graphHeight);
+             zedGraph.GraphPane.Fill.Type = FillType.None;
+             zedGraph.GraphPane.Chart.Fill.Type = FillType.None;
+             zedGraph.GraphPane.Border.IsVisible = false;
+             zedGraph.GraphPane.Chart.Border.IsVisible = false;
+             zedGraph.GraphPane.XAxis.IsVisible = false;
+             zedGraph.GraphPane.YAxis.IsVisible = false;
+             zedGraph.GraphPane.Legend.IsVisible = false;
+             zedGraph.GraphPane.Title.IsVisible = false;
+             zedGraph.GraphPane.IsFontsScaled = false;
+             //Adds the different pie slices with the percentage label.
+             if (value1 > 0)
+             {
+                 PieItem pieItem1 = null;
+                 pieItem1 = zedGraph.GraphPane.AddPieSlice(value1, Color.FromArgb(150, Color.Blue), Color.White, 45f, 0,Convert.ToString(perc1));
+                 pieItem1.LabelDetail.IsVisible = true;
+             }
+             if (value2 > 0)
+             {
+                 PieItem pieItem2 = null;
+                 pieItem2 = zedGraph.GraphPane.AddPieSlice(value2, Color.FromArgb(150, Color.Brown), Color.White, 45f, 0, Convert.ToString(perc2));
+                 pieItem2.LabelDetail.IsVisible = true;
+              }
+             if (value3 > 0)
+             {
+                 PieItem pieItem3 = null;
+                 pieItem3 = zedGraph.GraphPane.AddPieSlice(value3, Color.FromArgb(150, Color.Yellow), Color.White, 45f, 0, Convert.ToString(perc3));
+                 pieItem3.LabelDetail.IsVisible = true;
+             }
+             if (value4 > 0)
+             {
+                 PieItem pieItem4 = null;
+                 pieItem4 = zedGraph.GraphPane.AddPieSlice(value4, Color.FromArgb(150, Color.Red), Color.White, 45f, 0, Convert.ToString(perc4));
+                 pieItem4.LabelDetail.IsVisible = true;
+             }
+             //Makes a text label to highlight the city name and the total value.
+             TextObj text = new TextObj(areaName + ": " + totalValue,0.1, 0.15, CoordType.PaneFraction);
+             text.Location.AlignH = AlignH.Left;
+             text.Location.AlignV = AlignV.Bottom;
+             text.FontSpec.Border.IsVisible = false;
+             text.FontSpec.Fill = new Fill(Color.White, Color.FromArgb(255, 100, 100), 45F);
+             text.FontSpec.StringAlignment = StringAlignment.Center;
+             zedGraph.GraphPane.GraphObjList.Add(text);
+             return zedGraph.GraphPane.GetImage();
+         }
+        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();
+         }
+     }
+ }
+ </code>

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