public void InitDataToChart()
{
//图例
legend = new Legend();
legend.AttachTo(PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Left);
legend.VerticalEdgePlacement = Legend.Placement.Inside;
legend.HorizontalEdgePlacement = Legend.Placement.Outside;
legend.YOffset = -5;
legend.BorderStyle = LegendBase.BorderType.Line;
legend.NumberItemsHorizontally = 2;
legend.Font = new Font(FontFamily.GenericSerif, 8, FontStyle.Regular);
legend.AutoScaleText = false;
//网格
grid = new Grid();
grid.HorizontalGridType = Grid.GridType.Fine;
grid.VerticalGridType = Grid.GridType.Fine;
grid.MajorGridPen.Color = Color.Silver;
grid.MinorGridPen.Color = Color.Silver;
/////////////////////////////////////////////
//直线图
linePlot = new LinePlot();
linePlot.OrdinateData = cart.regressY;
linePlot.AbscissaData = xList;
linePlot.Color = Color.Orange;
linePlot.Pen.Width = 2.0f;
//点图
Marker marker = new Marker(Marker.MarkerType.FilledCircle, 3, new Pen(Color.Blue));
marker.FillBrush = new SolidBrush(Color.RoyalBlue);
pointPlot = new PointPlot(marker);
pointPlot.AbscissaData = xList;
pointPlot.OrdinateData = yList;
pointPlot.ShowInLegend = false;
if(cart.regressXYB>0)
linePlot.Label = yLabel + "=" + cart.regressXYA.ToString("F2") + "*" + xLabel + "+" + cart.regressXYB.ToString("F2")
+ ",R=" + cart.correlationXY.ToString("F2");
else
linePlot.Label = yLabel + "=" + cart.regressXYA.ToString("F2") + "*" + xLabel + cart.regressXYB.ToString("F2")
+ ",R=" + cart.correlationXY;
label1.Text = xLabel + "(m:" + cart.xMean.ToString("F1") + ",s':" + cart.xVar.ToString("F1")
+ ") " + yLabel + "(m:" + cart.yMean.ToString("F1") + ",s':" + cart.yVar.ToString("F1") + ")";
//添加
chart.Add(grid);
chart.Add(linePlot);
chart.Add(pointPlot);
//设置属性
chart.XAxis1.Label = xLabel+":"+xUnit;
chart.YAxis1.Label = yLabel+":"+yUnit;
chart.YAxis1.LabelOffsetAbsolute = true;
chart.Padding = 5;
chart.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.VerticalGuideline());
chart.AddAxesConstraint(new AxesConstraint.AxisPosition(PlotSurface2D.YAxisPosition.Left, 60));
chart.PlotBackColor = Color.White;
chart.BackColor = System.Drawing.SystemColors.Control;
chart.XAxis1.Color = Color.Black;
chart.YAxis1.Color = Color.Black;
chart.Legend = legend;
chart.LegendZOrder = 1;
chart.Refresh();
}
private void PlotSincFunction()
{
string lines = "Sinc Function Example. Demonstrates - * Charting line and point plot at the same time. * Adding a legend.";
infoBox.Text = lines;
plotSurface.Clear(); // clear everything. reset fonts. remove plot components etc.
System.Random r = new Random();
double[] a = new double[100];
double[] b = new double[100];
double mult = 0.00001f;
for( int i=0; i<100; ++i )
{
a[i] = ((double)r.Next(1000)/5000.0f-0.1f)*mult;
if (i == 50 ) { b[i] = 1.0f*mult; }
else
{
b[i] = (double)Math.Sin((((double)i-50.0f)/4.0f))/(((double)i-50.0f)/4.0f);
b[i] *= mult;
}
a[i] += b[i];
}
Marker m = new Marker(Marker.MarkerType.Cross1,6,new Pen(Color.Blue,2.0F));
PointPlot pp = new PointPlot( m );
pp.OrdinateData = a;
pp.AbscissaData = new StartStep( -500.0, 10.0 );
pp.Label = "Random";
plotSurface.Add(pp);
LinePlot lp = new LinePlot();
lp.OrdinateData = b;
lp.AbscissaData = new StartStep( -500.0, 10.0 );
lp.Pen = new Pen( Color.Red, 2.0f );
plotSurface.Add(lp);
plotSurface.Title = "Sinc Function";
plotSurface.YAxis1.Label = "Magnitude";
plotSurface.XAxis1.Label = "Position";
Legend legend = new Legend();
legend.AttachTo( PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Left );
legend.VerticalEdgePlacement = Legend.Placement.Inside;
legend.HorizontalEdgePlacement = Legend.Placement.Inside;
legend.YOffset = 8;
plotSurface.Legend = legend;
plotSurface.LegendZOrder = 1; // default zorder for adding idrawables is 0, so this puts legend on top.
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
}
public void PlotMarkers()
{
string lines = "Markers Example. Demonstrates - * PointPlot and the available marker types * Legends, and how to place them.";
infoBox.Text = lines;
plotSurface.Clear();
double[] y = new double[1] {1.0f};
foreach (String i in Marker.getTypes())
{
Marker m = new Marker( (Marker.MarkerType)Enum.Parse(typeof(Marker.MarkerType), i,true), 8 );
double[] x = new double[1];
x[0] = (double) m.Type;
PointPlot pp = new PointPlot();
pp.OrdinateData = y;
pp.AbscissaData = x;
pp.Marker = m;
pp.Label = m.Type.ToString();
plotSurface.Add( pp );
}
plotSurface.Title = "Markers";
plotSurface.YAxis1.Label = "Index";
plotSurface.XAxis1.Label = "Marker";
plotSurface.YAxis1.WorldMin = 0.0f;
plotSurface.YAxis1.WorldMax = 2.0f;
plotSurface.XAxis1.WorldMin -= 1.0f;
plotSurface.XAxis1.WorldMax += 1.0f;
Legend legend = new Legend();
legend.AttachTo( PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Right );
legend.VerticalEdgePlacement = Legend.Placement.Outside;
legend.HorizontalEdgePlacement = Legend.Placement.Inside;
legend.XOffset = 5; // note that these numbers can be negative.
legend.YOffset = 0;
plotSurface.Legend = legend;
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="marker">The marker to place on the chart.</param>
/// <param name="x">The world x position of the marker</param>
/// <param name="y">The world y position of the marker</param>
public MarkerItem( Marker marker, double x, double y )
{
marker_ = marker;
x_ = x;
y_ = y;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="marker">The marker to place on the chart.</param>
/// <param name="point">The world position of the marker</param>
public MarkerItem( Marker marker, PointD point )
{
marker_ = marker;
x_ = point.X;
y_ = point.Y;
}
/// <summary>
/// Default constructor - a square black marker.
/// </summary>
/// <param name="x">The world x position of the marker</param>
/// <param name="y">The world y position of the marker</param>
public MarkerItem( double x, double y )
{
marker_ = new Marker( Marker.MarkerType.Square );
x_ = x;
y_ = y;
}
/// <summary>
/// Constructs a square marker at the (world) point point.
/// </summary>
/// <param name="point">the world position at which to place the marker</param>
public MarkerItem( PointD point )
{
marker_ = new Marker( Marker.MarkerType.Square );
x_ = point.X;
y_ = point.Y;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="marker">The marker type to use for this plot.</param>
public LabelPointPlot( Marker marker )
: base(marker)
{
}
/// <summary>
/// Constructor for the marker plot.
/// </summary>
/// <param name="marker">The marker to use.</param>
public PointPlot( Marker marker )
{
marker_ = marker;
}
/// <summary>
/// Default Constructor
/// </summary>
public PointPlot()
{
marker_ = new Marker();
}