使用ZedGraph制作联动图表

先上图



代码中都是通过设置图标属性来完成图标的创建的，思路很清晰，进而也说明图标内部功能很强大。

public class SynchronizedPanes : DemoBase

{

public SynchronizedPanes()

: base( "A demo that shows how multiple GraphPanes can be synchronized to scroll together." +

" Test it by zooming in on one pane (all panes will zoom together). Then, scroll to" +

" see all panes move together.",

"Synchronized Panes Demo", DemoType.Line )

{

//MasterPane包括了一系列GraphPane，以一种形式组织它们

MasterPane master = base.MasterPane;

master.Fill = new Fill( Color.White, Color.FromArgb( 220, 220, 255 ), 45.0f );

master.PaneList.Clear();

master.Title.IsVisible = true;

master.Title.Text = "Synchronized Graph Demo";

master.Margin.All = 10;

master.InnerPaneGap = 0;

ColorSymbolRotator rotator = new ColorSymbolRotator();

for ( int j = 0; j < 3; j++ )

{

// Create a new graph with topLeft at (40,40) and size 600x400

GraphPane myPaneT = new GraphPane( new Rectangle( 40, 40, 600, 400 ),

"Case #" + ( j + 1 ).ToString(),

"Time, Days",

"Rate, m/s" );

myPaneT.Fill.IsVisible = false;

myPaneT.Chart.Fill = new Fill( Color.White, Color.LightYellow, 45.0F );

myPaneT.BaseDimension = 3.0F;

myPaneT.XAxis.Title.IsVisible = false;

myPaneT.XAxis.Scale.IsVisible = false;

myPaneT.Legend.IsVisible = false;

myPaneT.Border.IsVisible = false;

myPaneT.Title.IsVisible = false;

myPaneT.XAxis.MajorTic.IsOutside = false;

myPaneT.XAxis.MinorTic.IsOutside = false;

myPaneT.XAxis.MajorGrid.IsVisible = true;

myPaneT.XAxis.MinorGrid.IsVisible = true;

myPaneT.Margin.All = 0;

if ( j == 0 )

myPaneT.Margin.Top = 20;

if ( j == 2 )

{

myPaneT.XAxis.Title.IsVisible = true;

myPaneT.XAxis.Scale.IsVisible = true;

myPaneT.Margin.Bottom = 10;

}

if ( j > 0 )

myPaneT.YAxis.Scale.IsSkipLastLabel = true;

// This sets the minimum amount of space for the left and right side, respectively

// The reason for this is so that the ChartRect's all end up being the same size.

myPaneT.YAxis.MinSpace = 60;

myPaneT.Y2Axis.MinSpace = 20;

// Make up some data arrays based on the Sine function

double x, y;

PointPairList list = new PointPairList();

for ( int i = 0; i < 36; i++ )

{

x = (double)i + 5 + j * 3;

y = 3.0 * ( 1.5 + Math.Sin( (double)i * 0.2 + (double)j ) );

list.Add( x, y );

}

LineItem myCurve = myPaneT.AddCurve( "Type " + j.ToString(),

list, rotator.NextColor, rotator.NextSymbol );

myCurve.Symbol.Fill = new Fill( Color.White );

master.Add( myPaneT );

}

using ( Graphics g = base.ZedGraphControl.CreateGraphics() )

{

ZedGraphControl z1 = base.ZedGraphControl;

master.SetLayout( g, PaneLayout.SingleColumn );

z1.AxisChange();

z1.IsAutoScrollRange = true;

z1.IsShowHScrollBar = true;

z1.IsShowVScrollBar = true;

z1.IsSynchronizeXAxes = true;

}

base.ZedGraphControl.AxisChange();

}

}