/// <summary>
/// Constructor
/// </summary>
/// <param name="lp1">LinePlot that provides bounds to filled region [upper or lower]</param>
/// <param name="lp2">LinePlot that provides bounds to filled region [upper or lower]</param>
/// <remarks>TODO: make this work with other plot types.</remarks>
public FilledRegion(LinePlot lp1, LinePlot lp2)
{
lp1_ = lp1;
lp2_ = lp2;
}
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();
}
public void PlotMockup()
{
string lines ="THE TEST (can your charting library handle this?) - xuzhenzhen.com.chart demonstrates it can handle real world charting requirements.";
infoBox.Text = lines;
// first of all, generate some mockup data.
DataTable info = new DataTable( "Store Information" );
info.Columns.Add( "Index", typeof(int) );
info.Columns.Add( "IndexOffsetLeft", typeof(float) );
info.Columns.Add( "IndexOffsetRight", typeof(float) );
info.Columns.Add( "StoreName", typeof(string) );
info.Columns.Add( "BarBase", typeof(float) );
info.Columns.Add( "StoreGrowth", typeof(float) );
info.Columns.Add( "AverageGrowth", typeof(float) );
info.Columns.Add( "ProjectedSales", typeof(float) );
float barBase = 185.0f;
Random r = new Random();
for (int i=0; i<18; ++i)
{
DataRow row = info.NewRow();
row["Index"] = i;
row["IndexOffsetLeft"] = (float)i - 0.1f;
row["IndexOffsetRight"] = (float)i + 0.1f;
row["StoreName"] = "Store " + (i+1).ToString();
row["BarBase"] = barBase;
row["StoreGrowth"] = barBase + ( (r.NextDouble() - 0.1) * 20.0f );
row["AverageGrowth"] = barBase + ( (r.NextDouble() - 0.1) * 15.0f );
row["ProjectedSales"] = barBase + ( r.NextDouble() * 15.0f );
info.Rows.Add( row );
barBase += (float)r.NextDouble() * 4.0f;
}
plotSurface.Clear();
// generate the grid
Grid grid = new Grid();
grid.VerticalGridType = Grid.GridType.Coarse;
grid.HorizontalGridType = Grid.GridType.None;
grid.MajorGridPen = new Pen( Color.Black, 1.0f );
plotSurface.Add( grid );
// generate the trendline
LinePlot trendline = new LinePlot();
trendline.DataSource = info;
trendline.AbscissaData = "Index";
trendline.OrdinateData = "BarBase";
trendline.Pen = new Pen( Color.Black, 3.0f );
trendline.Label = "Trendline";
plotSurface.Add( trendline );
// draw store growth bars
BarPlot storeGrowth = new BarPlot();
storeGrowth.DataSource = info;
storeGrowth.AbscissaData = "IndexOffsetLeft";
storeGrowth.OrdinateDataTop = "StoreGrowth";
storeGrowth.OrdinateDataBottom = "BarBase";
storeGrowth.Label = "Store Growth";
storeGrowth.FillBrush = xuzhenzhen.com.chart.RectangleBrushes.Solid.Black;
//storeGrowth.BorderPen = new Pen( Color.Black, 2.0f );
plotSurface.Add( storeGrowth );
// draw average growth bars
BarPlot averageGrowth = new BarPlot();
averageGrowth.DataSource = info;
averageGrowth.AbscissaData = "IndexOffsetRight";
averageGrowth.OrdinateDataBottom = "BarBase";
averageGrowth.OrdinateDataTop = "AverageGrowth";
averageGrowth.Label = "Average Growth";
averageGrowth.FillBrush = xuzhenzhen.com.chart.RectangleBrushes.Solid.Gray;
//averageGrowth.BorderPen = new Pen( Color.Black, 2.0f );
plotSurface.Add( averageGrowth );
// generate the projected sales step line.
StepPlot projected = new StepPlot();
projected.DataSource = info;
projected.AbscissaData = "Index";
projected.OrdinateData = "ProjectedSales";
projected.Pen = new Pen( Color.Orange, 3.0f );
projected.HideVerticalSegments = true;
projected.Center = true;
projected.Label = "Projected Sales";
projected.WidthScale = 0.7f;
plotSurface.Add( projected );
// generate the minimum target line.
HorizontalLine minimumTargetLine = new HorizontalLine( 218, new Pen( Color.Green, 3.5f ) );
minimumTargetLine.Label = "Minimum Target";
minimumTargetLine.LengthScale = 0.98f;
minimumTargetLine.ShowInLegend = true; // off by default for lines.
plotSurface.Add( minimumTargetLine );
// generate the preferred target line.
HorizontalLine preferredTargetLine = new HorizontalLine( 228, new Pen( Color.Blue, 3.5f ) );
preferredTargetLine.Label = "Preferred Target";
preferredTargetLine.LengthScale = 0.98f;
preferredTargetLine.ShowInLegend = true; // off by default for lines.
plotSurface.Add( preferredTargetLine );
// make some modifications so that chart matches requirements.
// y axis.
plotSurface.YAxis1.TicksIndependentOfPhysicalExtent = true;
plotSurface.YAxis1.TickTextNextToAxis = false;
plotSurface.YAxis1.TicksAngle = 3.0f * (float)Math.PI / 2.0f;
((LinearAxis)plotSurface.YAxis1).LargeTickStep = 10.0;
((LinearAxis)plotSurface.YAxis1).NumberOfSmallTicks = 0;
// x axis
plotSurface.XAxis1.TicksIndependentOfPhysicalExtent = true;
plotSurface.XAxis1.TickTextNextToAxis = false;
plotSurface.XAxis1.TicksAngle = (float)Math.PI / 2.0f;
LabelAxis la = new LabelAxis( plotSurface.XAxis1 );
for (int i=0; i<info.Rows.Count; ++i)
{
la.AddLabel( (string)info.Rows[i]["StoreName"], Convert.ToInt32(info.Rows[i]["Index"]) );
}
la.TicksLabelAngle = (float)90.0f;
la.TicksBetweenText = true;
plotSurface.XAxis1 = la;
plotSurface.XAxis2 = (Axis)plotSurface.XAxis1.Clone();
plotSurface.XAxis2.HideTickText = true;
plotSurface.XAxis2.LargeTickSize = 0;
Legend l = new Legend();
l.NumberItemsVertically = 2;
l.AttachTo( xuzhenzhen.com.chart.PlotSurface2D.XAxisPosition.Bottom, xuzhenzhen.com.chart.PlotSurface2D.YAxisPosition.Left );
l.HorizontalEdgePlacement = xuzhenzhen.com.chart.Legend.Placement.Outside;
l.VerticalEdgePlacement = xuzhenzhen.com.chart.Legend.Placement.Inside;
l.XOffset = 5;
l.YOffset = 50;
l.BorderStyle = xuzhenzhen.com.chart.LegendBase.BorderType.Line;
plotSurface.Legend = l;
plotSurface.Title =
"Sales Growth Compared to\n" +
"Average Sales Growth by Store Size - Rank Order Low to High";
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
}
public void PlotParticles()
{
string lines = "Particles Example. Demonstrates - * How to chart multiple data sets against multiple axes at the same time.";
infoBox.Text = lines;
plotSurface.Clear();
Grid mygrid = new Grid();
mygrid.HorizontalGridType = Grid.GridType.Fine;
mygrid.VerticalGridType = Grid.GridType.Fine;
plotSurface.Add( mygrid );
// in this example we synthetize a particle distribution
// in the x-x' phase space and plot it, with the rms Twiss
// ellipse and desnity distribution
const int Particle_Number = 500;
float [] x = new float[Particle_Number];
float [] y = new float[Particle_Number];
// Twiss parameters for the beam ellipse
// 5 mm mrad max emittance, 1 mm beta function
float alpha, beta, gamma, emit;
alpha = -2.0f;
beta = 1.0f;
gamma = (1.0f + alpha * alpha) / beta;
emit = 4.0f;
float da, xmax, xpmax;
da = -alpha / gamma;
xmax = (float)Math.Sqrt(emit / gamma);
xpmax = (float)Math.Sqrt(emit * gamma);
Random rand = new Random();
// cheap randomizer on the unit circle
for (int i = 0; i<Particle_Number; i++)
{
float r;
do
{
x[i] = (float)(2.0f * rand.NextDouble() - 1.0f);
y[i] = (float)(2.0f * rand.NextDouble() - 1.0f);
r = (float)Math.Sqrt(x[i] * x[i] + y[i] * y[i]);
} while (r > 1.0f);
}
// transform to the tilted twiss ellipse
for (int i =0; i<Particle_Number; ++i)
{
y[i] *= xpmax;
x[i] = x[i] * xmax + y[i] * da;
}
plotSurface.Title = "Beam Horizontal Phase Space and Twiss ellipse";
PointPlot pp = new PointPlot();
pp.OrdinateData = y;
pp.AbscissaData = x;
pp.Marker = new Marker(Marker.MarkerType.FilledCircle ,4, new Pen(Color.Blue));
plotSurface.Add(pp, PlotSurface2D.XAxisPosition.Bottom, PlotSurface2D.YAxisPosition.Left);
// set axes
LinearAxis lx = (LinearAxis) plotSurface.XAxis1;
lx.Label = "Position - x [mm]";
lx.NumberOfSmallTicks = 2;
LinearAxis ly = (LinearAxis) plotSurface.YAxis1;
ly.Label = "Divergence - x' [mrad]";
ly.NumberOfSmallTicks = 2;
// Draws the rms Twiss ellipse computed from the random data
float [] xeli=new float [40];
float [] yeli=new float [40];
float a_rms, b_rms, g_rms, e_rms;
Twiss(x, y, out a_rms, out b_rms, out g_rms, out e_rms);
TwissEllipse(a_rms, b_rms, g_rms, e_rms, ref xeli, ref yeli);
LinePlot lp = new LinePlot();
lp.OrdinateData = yeli;
lp.AbscissaData = xeli;
plotSurface.Add(lp, PlotSurface2D.XAxisPosition.Bottom, PlotSurface2D.YAxisPosition.Left);
lp.Pen = new Pen( Color.Red, 2.0f );
// Draws the ellipse containing 100% of the particles
// for a uniform distribution in 2D the area is 4 times the rms
float [] xeli2 = new float [40];
float [] yeli2 = new float [40];
TwissEllipse(a_rms, b_rms, g_rms, 4.0F * e_rms, ref xeli2, ref yeli2);
LinePlot lp2 = new LinePlot();
lp2.OrdinateData = yeli2;
lp2.AbscissaData = xeli2;
plotSurface.Add( lp2, PlotSurface2D.XAxisPosition.Bottom, PlotSurface2D.YAxisPosition.Left );
Pen p2 = new Pen( Color.Red, 2.0f );
lp2.Pen = p2;
// now bin the particle position to create beam density histogram
float range, min, max;
min = (float)lx.WorldMin;
max = (float)lx.WorldMax;
range = max - min;
const int Nbin = 30;
float dx = range / Nbin;
float [] xbin = new float[Nbin+1];
float [] xh = new float[Nbin+1];
for (int j=0; j<=Nbin; ++j)
{
xbin[j] = min + j * range;
if (j < Nbin) xh[j] = 0.0F;
}
for (int i =0; i<Particle_Number; ++i)
{
if (x[i] >= min && x[i] <= max)
{
int j;
j = Convert.ToInt32(Nbin * (x[i] - min) / range);
xh[j] += 1;
}
}
StepPlot sp= new StepPlot();
sp.OrdinateData = xh;
sp.AbscissaData = new StartStep( min, range / Nbin );
sp.Center = true;
plotSurface.Add(sp, PlotSurface2D.XAxisPosition.Bottom, PlotSurface2D.YAxisPosition.Right);
// axis formatting
LinearAxis ly2 = (LinearAxis)plotSurface.YAxis2;
ly2.WorldMin = 0.0f;
ly2.Label = "Beam Density [a.u.]";
ly2.NumberOfSmallTicks = 2;
sp.Pen = new Pen( Color.Green, 2 );
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
// Finally, refreshes the plot
plotSurface.Refresh();
}
public void PlotLogAxis()
{
string lines = "Log Example. Demonstrates - * How to chart data against log axes and linear axes at the same time.";
infoBox.Text = lines;
plotSurface.Clear();
// draw a fine grid.
Grid fineGrid = new Grid();
fineGrid.VerticalGridType = Grid.GridType.Fine;
fineGrid.HorizontalGridType = Grid.GridType.Fine;
plotSurface.Add( fineGrid );
const int npt = 101;
float[] x = new float[npt];
float[] y = new float[npt];
float step = 0.1f;
for (int i=0; i<npt; ++i)
{
x[i] = i*step - 5.0f;
y[i] = (float)Math.Pow( 10.0, x[i] );
}
float xmin = x[0];
float xmax = x[npt-1];
float ymin = (float)Math.Pow( 10.0, xmin );
float ymax = (float)Math.Pow( 10.0, xmax );
LinePlot lp = new LinePlot();
lp.OrdinateData = y;
lp.AbscissaData = x;
lp.Pen = new Pen( Color.Red );
plotSurface.Add( lp );
LogAxis loga = new LogAxis( plotSurface.YAxis1 );
loga.WorldMin = ymin;
loga.WorldMax = ymax;
loga.AxisColor = Color.Red;
loga.LabelColor = Color.Red;
loga.TickTextColor = Color.Red;
loga.LargeTickStep = 1.0f;
loga.Label = "10^x";
plotSurface.YAxis1 = loga;
LinePlot lp1 = new LinePlot();
lp1.OrdinateData = y;
lp1.AbscissaData = x;
lp1.Pen = new Pen( Color.Blue );
plotSurface.Add( lp1, PlotSurface2D.XAxisPosition.Bottom, PlotSurface2D.YAxisPosition.Right );
LinearAxis lin = new LinearAxis( plotSurface.YAxis2 );
lin.WorldMin = ymin;
lin.WorldMax = ymax;
lin.AxisColor = Color.Blue;
lin.LabelColor = Color.Blue;
lin.TickTextColor = Color.Blue;
lin.Label = "10^x";
plotSurface.YAxis2 = lin;
LinearAxis lx = (LinearAxis)plotSurface.XAxis1;
lx.WorldMin = xmin;
lx.WorldMax = xmax;
lx.Label = "x";
//((LogAxis)plotSurface.YAxis1).LargeTickStep = 2;
plotSurface.Title = "Mixed Linear/Log Axes";
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
}
public void PlotLogLog()
{
string lines ="LogLog Example. Demonstrates - * How to chart data against log axes and linear axes at the same time.";
infoBox.Text = lines;
// log log plot
plotSurface.Clear();
Grid mygrid = new Grid();
mygrid.HorizontalGridType = Grid.GridType.Fine;
mygrid.VerticalGridType = Grid.GridType.Fine;
plotSurface.Add(mygrid);
int npt = 101;
float [] x = new float[npt];
float [] y = new float[npt];
float step=0.1f;
// plot a power law on the log-log scale
for (int i=0; i<npt; ++i)
{
x[i] = (i+1)*step;
y[i] = x[i]*x[i];
}
float xmin = x[0];
float xmax = x[npt-1];
float ymin = y[0];
float ymax = y[npt-1];
LinePlot lp = new LinePlot();
lp.OrdinateData = y;
lp.AbscissaData = x;
lp.Pen = new Pen( Color.Red );
plotSurface.Add( lp );
// axes
// x axis
LogAxis logax = new LogAxis( plotSurface.XAxis1 );
logax.WorldMin = xmin;
logax.WorldMax = xmax;
logax.AxisColor = Color.Red;
logax.LabelColor = Color.Red;
logax.TickTextColor = Color.Red;
logax.LargeTickStep = 1.0f;
logax.Label = "x";
plotSurface.XAxis1 = logax;
// y axis
LogAxis logay = new LogAxis( plotSurface.YAxis1 );
logay.WorldMin = ymin;
logay.WorldMax = ymax;
logay.AxisColor = Color.Red;
logay.LabelColor = Color.Red;
logay.TickTextColor = Color.Red;
logay.LargeTickStep = 1.0f;
logay.Label = "x^2";
plotSurface.YAxis1 = logay;
LinePlot lp1 = new LinePlot();
lp1.OrdinateData = y;
lp1.AbscissaData = x;
lp1.Pen = new Pen( Color.Blue );
plotSurface.Add( lp1, PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Right );
// axes
// x axis (lin)
LinearAxis linx = (LinearAxis) plotSurface.XAxis2;
linx.WorldMin = xmin;
linx.WorldMax = xmax;
linx.AxisColor = Color.Blue;
linx.LabelColor = Color.Blue;
linx.TickTextColor = Color.Blue;
linx.Label = "x";
plotSurface.XAxis2 = linx;
// y axis (lin)
LinearAxis liny = (LinearAxis) plotSurface.YAxis2;
liny.WorldMin = ymin;
liny.WorldMax = ymax;
liny.AxisColor = Color.Blue;
liny.LabelColor = Color.Blue;
liny.TickTextColor = Color.Blue;
liny.Label = "x^2";
plotSurface.YAxis2 = liny;
plotSurface.Title = "x^2 plotted with log(red)/linear(blue) axes";
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
}
public void PlotCircular()
{
string lines = "Circular Example. Demonstrates - * PiAxis, Horizontal and Vertical Lines. * Placement of legend";
infoBox.Text = lines;
this.plotSurface.Clear();
plotSurface.Add( new HorizontalLine( 0.0, Color.LightGray ) );
plotSurface.Add( new VerticalLine( 0.0, Color.LightGray ) );
const int N = 400;
const double start = -Math.PI * 7.0;
const double end = Math.PI * 7.0;
double[] xs = new double[N];
double[] ys = new double[N];
for (int i=0; i<N; ++i)
{
double t = ((double)i*(end - start)/(double)N + start);
xs[i] = 0.5 * (t - 2.0 * Math.Sin(t));
ys[i] = 2.0 * (1.0 - 2.0 * Math.Cos(t));
}
LinePlot lp = new LinePlot( ys, xs );
lp.Pen = new Pen( Color.DarkBlue, 2.0f );
lp.Label = "Circular Line"; // no legend, but still useful for copy data to clipboard.
plotSurface.Add( lp );
plotSurface.XAxis1 = new PiAxis( plotSurface.XAxis1 );
plotSurface.Legend = new Legend();
plotSurface.Legend.AttachTo(PlotSurface2D.XAxisPosition.Bottom, PlotSurface2D.YAxisPosition.Right);
plotSurface.Legend.HorizontalEdgePlacement = Legend.Placement.Inside;
plotSurface.Legend.VerticalEdgePlacement = Legend.Placement.Inside;
plotSurface.Legend.XOffset = 0;
plotSurface.Legend.YOffset = 0;
plotSurface.Refresh();
}
public void PlotGaussian()
{
string lines = "Gaussian Example. Demonstrates - * HistogramPlot and LinePlot.";
infoBox.Text = lines;
plotSurface.Clear();
System.Random r = new Random();
int len = 35;
double[] a = new double[len];
double[] b = new double[len];
for (int i=0; i<len; ++i)
{
int j = len-1-i;
a[i] = (double)Math.Exp(-(double)(i-len/2)*(double)(i-len/2)/50.0f);
b[i] = a[i] + (r.Next(10)/50.0f)-0.05f;
if (b[i] < 0.0f)
{
b[i] = 0;
}
}
HistogramPlot sp = new HistogramPlot();
sp.DataSource = b;
sp.Pen = new Pen(Color.DarkBlue);
sp.Filled = true;
sp.RectangleBrush = new RectangleBrushes.HorizontalCenterFade( Color.Lavender, Color.Gold );
sp.BaseWidth = 0.5f;
sp.Label = "Random Data";
LinePlot lp = new LinePlot();
lp.DataSource = a;
lp.Pen = new Pen( Color.Blue, 3.0f );
lp.Label = "Gaussian Function";
plotSurface.Add( sp );
plotSurface.Add( lp );
plotSurface.Legend = new Legend();
plotSurface.YAxis1.WorldMin = 0.0f;
plotSurface.Title = "Histogram Plot";
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
}
void PlotDataSet()
{
string lines = "Stock Data Example. Demonstrates - * CandlePlot, FilledRegion, LinePlot and ArrowItem IDrawables * DateTime axes * A few plot interactions. Try (a) dragging the axes (b) dragging the plot surface.";
infoBox.Text = lines;
plotSurface.Clear();
//plotSurface.DateTimeToolTip = true;
// obtain stock information from xml file
DataSet ds = new DataSet();
//System.IO.Stream file =Assembly.GetExecutingAssembly().GetManifestResourceStream("ChartProject1.asx_jbh");
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(PlotSurface2DDemo));
StringReader reader = new StringReader((String)resources.GetObject("asx_jbh"));
ds.ReadXml(reader, System.Data.XmlReadMode.ReadSchema );
DataTable dt = ds.Tables[0];
DataView dv = new DataView( dt );
// create CandlePlot.
CandlePlot cp = new CandlePlot();
cp.DataSource = dt;
cp.AbscissaData = "Date";
cp.OpenData = "Open";
cp.LowData = "Low";
cp.HighData = "High";
cp.CloseData = "Close";
cp.BearishColor = Color.Red;
cp.BullishColor = Color.Green;
cp.Style = CandlePlot.Styles.Filled;
// calculate 10 day moving average and 2*sd line
ArrayList av10 = new ArrayList();
ArrayList sd2_10 = new ArrayList();
ArrayList sd_2_10 = new ArrayList();
ArrayList dates = new ArrayList();
for (int i=0; i<dt.Rows.Count-10; ++i)
{
float sum = 0.0f;
for (int j=0; j<10; ++j)
{
sum += (float)dt.Rows[i+j]["Close"];
}
float average = sum / 10.0f;
av10.Add( average );
sum = 0.0f;
for (int j=0; j<10; ++j)
{
sum += ((float)dt.Rows[i+j]["Close"]-average)*((float)dt.Rows[i+j]["Close"]-average);
}
sum /= 10.0f;
sum = 2.0f*(float)Math.Sqrt( sum );
sd2_10.Add( average + sum );
sd_2_10.Add( average - sum );
dates.Add( (DateTime)dt.Rows[i+10]["Date"] );
}
// and a line plot of close values.
LinePlot av = new LinePlot();
av.OrdinateData = av10;
av.AbscissaData = dates;
av.Color = Color.LightGray;
av.Pen.Width = 2.0f;
LinePlot top = new LinePlot();
top.OrdinateData = sd2_10;
top.AbscissaData = dates;
top.Color = Color.LightSteelBlue;
top.Pen.Width = 2.0f;
LinePlot bottom = new LinePlot();
bottom.OrdinateData = sd_2_10;
bottom.AbscissaData = dates;
bottom.Color = Color.LightSteelBlue;
bottom.Pen.Width = 2.0f;
FilledRegion fr = new FilledRegion( top, bottom );
//fr.RectangleBrush = new RectangleBrushes.Vertical( Color.FloralWhite, Color.GhostWhite );
fr.RectangleBrush = new RectangleBrushes.Vertical( Color.FromArgb(255,255,240), Color.FromArgb(240,255,255) );
plotSurface.Add( fr );
plotSurface.Add( new Grid() );
plotSurface.Add( av );
plotSurface.Add( top );
plotSurface.Add( bottom );
plotSurface.Add( cp );
// now make an arrow...
ArrowItem arrow = new ArrowItem( new PointD( ((DateTime)dt.Rows[60]["Date"]).Ticks, 2.28 ), -80, "An interesting flat bit" );
arrow.ArrowColor = Color.DarkBlue;
arrow.PhysicalLength = 50;
//plotSurface.Add( arrow );
plotSurface.Title = "AU:JBH";
plotSurface.XAxis1.Label = "Date / Time";
plotSurface.XAxis1.WorldMin += plotSurface.XAxis1.WorldLength / 4.0;
plotSurface.XAxis1.WorldMax -= plotSurface.XAxis1.WorldLength / 2.0;
plotSurface.YAxis1.Label = "Price [$]";
plotSurface.XAxis1 = new TradingDateTimeAxis( plotSurface.XAxis1 );
plotSurface.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.HorizontalDrag());
plotSurface.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.VerticalDrag());
plotSurface.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.AxisDrag(true));
// make sure plot surface colors are as we expect - the wave example changes them.
plotSurface.PlotBackColor = Color.White;
plotSurface.BackColor = System.Drawing.SystemColors.Control;
plotSurface.XAxis1.Color = Color.Black;
plotSurface.YAxis1.Color = Color.Black;
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.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 PlotABC()
{
string lines = "ABC (logo for australian broadcasting commission) Example. Demonstrates - * How to set the background of a plotsurface as an image. * EqualAspectRatio axis constraint";
infoBox.Text = lines;
plotSurface.Clear();
const int size = 200;
float [] xs = new float [size];
float [] ys = new float [size];
for (int i=0; i<size; i++)
{
xs[i] = (float)Math.Sin((double)i/(double)(size-1)*2.0*Math.PI);
ys[i] = (float)Math.Cos((double)i/(double)(size-1)*6.0*Math.PI);
}
LinePlot lp = new LinePlot();
lp.OrdinateData = ys;
lp.AbscissaData = xs;
Pen linePen = new Pen( Color.Yellow, 5.0f );
lp.Pen = linePen;
plotSurface.Add(lp);
plotSurface.Title = "AxisConstraint.EqualScaling in action...";
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(PlotSurface2DDemo));
Bitmap map = (Bitmap)resources.GetObject("pattern01");
plotSurface.PlotBackImage = map;
plotSurface.AddAxesConstraint( new AxesConstraint.AspectRatio( 1.0, PlotSurface2D.XAxisPosition.Top, PlotSurface2D.YAxisPosition.Left ) );
plotSurface.XAxis1.WorldMin = plotSurface.YAxis1.WorldMin;
plotSurface.XAxis1.WorldMax = plotSurface.YAxis1.WorldMax;
plotSurface.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.MouseWheelZoom());
// make sure plot surface colors are as we expect - the wave example changes them.
//plotSurface.PlotBackColor = Color.White;
plotSurface.BackColor = System.Drawing.SystemColors.Control;
plotSurface.XAxis1.Color = Color.Black;
plotSurface.YAxis1.Color = Color.Black;
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
}
public void PlotWavelet()
{
string lines = "Wavelet Example. Demonstrates - * Reversing axes, setting number of tick marks on axis explicitly.";
infoBox.Text = lines;
this.plotSurface.Clear();
// Create a new line plot from array data via the ArrayAdapter class.
LinePlot lp = new LinePlot();
lp.DataSource = makeDaub(256);
lp.Color = Color.Green;
lp.Label = "Daubechies Wavelet"; // no legend, but still useful for copy data to clipboard.
Grid myGrid = new Grid();
myGrid.VerticalGridType = Grid.GridType.Fine;
myGrid.HorizontalGridType = Grid.GridType.Coarse;
this.plotSurface.Add(myGrid);
// And add it to the plot surface
this.plotSurface.Add( lp );
this.plotSurface.Title = "Reversed / Upside down Daubechies Wavelet";
// Ok, the above will produce a decent default plot, but we would like to change
// some of the Y Axis details. First, we'd like lots of small ticks (10) between
// large tick values. Secondly, we'd like to draw a grid for the Y values. To do
// this, we create a new LinearAxis (we could also use Label, Log etc). Rather than
// starting from scratch, we use the constructor that takes an existing axis and
// clones it (values in the superclass Axis only are cloned). PlotSurface2D
// automatically determines a suitable axis when we add plots to it (merging
// current requirements with old requirements), and we use this as our starting
// point. Because we didn't specify which Y Axis we are using when we added the
// above line plot (there is one on the left - YAxis1 and one on the right - YAxis2)
// PlotSurface2D.Add assumed we were using YAxis1. So, we create a new axis based on
// YAxis1, update the details we want, then set the YAxis1 to be our updated one.
LinearAxis myAxis = new LinearAxis( this.plotSurface.YAxis1 );
myAxis.NumberOfSmallTicks = 2;
this.plotSurface.YAxis1 = myAxis;
// We would also like to modify the way in which the X Axis is printed. This time,
// we'll just modify the relevant PlotSurface2D Axis directly.
this.plotSurface.XAxis1.WorldMax = 100.0f;
this.plotSurface.PlotBackColor = Color.OldLace;
this.plotSurface.XAxis1.Reversed = true;
this.plotSurface.YAxis1.Reversed = true;
// Force a re-draw of the control.
this.plotSurface.Refresh();
}
public void PlotTest()
{
plotSurface.Clear();
// can plot different types.
ArrayList l = new ArrayList();
l.Add( (int)2 );
l.Add( (double)1.0 );
l.Add( (float)3.0 );
l.Add( (int)5.0 );
LinePlot lp1 = new LinePlot( new double[] {4.0, 3.0, 5.0, 8.0} );
lp1.Pen = new Pen( Color.LightBlue );
lp1.Pen.Width = 2.0f;
//lp.AbscissaData = new StartStep( 0.0, 2.0 );
LinePlot lp2 = new LinePlot( new double[] {2.0, 1.0, 4.0, 5.0} );
lp2.Pen = new Pen( Color.LightBlue );
lp2.Pen.Width = 2.0f;
FilledRegion fr = new FilledRegion( lp1, lp2 );
plotSurface.Add(fr);
plotSurface.Add( new Grid() );
plotSurface.Add(lp1);
plotSurface.Add(lp2);
ArrowItem a = new ArrowItem( new PointD( 2, 4 ), -50.0f, "Arrow" );
a.HeadOffset = 5;
a.ArrowColor = Color.Red;
a.TextColor = Color.Purple;
plotSurface.Add( a );
MarkerItem m = new MarkerItem( new Marker( Marker.MarkerType.TriangleDown, 8, Color.ForestGreen ), 1.38, 2.9 );
plotSurface.Add( m );
plotSurface.XAxis1.TicksCrossAxis = true;
((LinearAxis)plotSurface.XAxis1).LargeTickValue = -4.1;
((LinearAxis)plotSurface.XAxis1).AutoScaleText = true;
((LinearAxis)plotSurface.XAxis1).TicksIndependentOfPhysicalExtent = true;
//plotSurface.XAxis1.Label = "Hello world";
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
/*
plotSurface.AutoScaleTitle = false;
plotSurface.AutoScaleAutoGeneratedAxes = true;
plotSurface.Title = "My Title";
double[] a = { 0, 2, 1, 4, double.NaN, double.NaN, 5, 8, 7, 9 };
LinePlot lp = new LinePlot();
lp.DataSource = a;
lp.Label = "My Label";
plotSurface.Add( lp );
plotSurface.Legend = new Legend();
plotSurface.Legend.AutoScaleText = false;
plotSurface.Legend.NeverShiftAxes = true;
plotSurface.Legend.HorizontalEdgePlacement = Legend.Placement.Inside;
plotSurface.Legend.VerticalEdgePlacement = Legend.Placement.Inside;
plotSurface.Legend.XOffset = -10;
plotSurface.Legend.YOffset = 10;
//plotSurface.AddAxesConstraint( new AxesConstraint.EqualSpacing() );
((LinearAxis)plotSurface.XAxis1).Offset = 10.0;
((LinearAxis)plotSurface.XAxis1).Scale = 27.0;
//((LinearAxis)plotSurface.XAxis1).TicksIndependentOfPhysicalExtent = true;
//((LinearAxis)plotSurface.YAxis1).TicksIndependentOfPhysicalExtent = true;
AxesConstraint.AxisPosition c1 =
new xuzhenzhen.com.chart.AxesConstraint.AxisPosition( PlotSurface2D.YAxisPosition.Left, 100.0f );
AxesConstraint.AspectRatio c2 =
new AxesConstraint.AspectRatio( 5.0f, PlotSurface2D.YAxisPosition.Left );
plotSurface.AddAxesConstraint( c1 );
plotSurface.AddAxesConstraint( c2 );
plotSurface.Refresh();
*/
}
public void InitDataToChart()
{
//清空
chart1.Clear();
chart2.Clear();
chart3.Clear();
//垂直线
vline = new VerticalLine(0, Color.Blue);
//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 = 4;
//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;
/////区域着色////////
fill = new FilledRegion(new VerticalLine(-1), new VerticalLine(8));
fill.Brush = new SolidBrush(Color.FromArgb(250, 218, 169));
/////////////////////////////////////////////
//直线图
sysPlot = new LinePlot();
sysPlot.OrdinateData = sysList;
sysPlot.AbscissaData = timeList;
sysPlot.Color = Color.RoyalBlue;
sysPlot.Pen.Width = 2.0f;
sysPlot.Label = "SYS";
diaPlot = new LinePlot();
diaPlot.OrdinateData = diaList;
diaPlot.AbscissaData = timeList;
diaPlot.Color = Color.OrangeRed;
diaPlot.Pen.Width = 2.0f;
diaPlot.Label = "DIA";
mapPlot = new LinePlot();
mapPlot.OrdinateData = mapList;
mapPlot.AbscissaData = timeList;
mapPlot.Color = Color.Chartreuse;
mapPlot.Pen.Width = 2.0f;
mapPlot.Label = "MAP";
hrPlot = new LinePlot();
hrPlot.OrdinateData = hrList;
hrPlot.AbscissaData = timeList;
hrPlot.Color = Color.DarkSlateBlue;
hrPlot.Pen.Width = 2.0f;
sys_hrPlot = new LinePlot();
sys_hrPlot.OrdinateData = sys_hrList;
sys_hrPlot.AbscissaData = timeList;
sys_hrPlot.Color = Color.Green;
sys_hrPlot.Pen.Width = 2.0f;
//水平线
hline1 = new HorizontalLine(70, Color.Gray);
hline2 = new HorizontalLine(90, Color.Gray);
hline3 = new HorizontalLine(120, Color.Gray);
hline4 = new HorizontalLine(140, Color.Gray);
///////////////////////
chart1.Add(fill);
chart1.Add(grid);
chart1.Add(sysPlot);
chart1.Add(diaPlot);
chart1.Add(mapPlot);
chart1.Add(hline1);
chart1.Add(hline2);
chart1.Add(hline3);
chart1.Add(hline4);
chart1.Add(vline);
chart1.XAxis1.HideTickText = true;
chart1.YAxis1.Label = "血压:mmHg";
chart1.YAxis1.LabelOffsetAbsolute = true;
chart1.YAxis1.WorldMin = chart1.YAxis1.WorldMin - 20;
chart1.YAxis1.WorldMax = chart1.YAxis1.WorldMax + 20;
chart1.Padding = 5;
chart1.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.HorizontalDrag());
chart1.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.VerticalDrag());
chart1.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.VerticalGuideline());
chart1.AddAxesConstraint(new AxesConstraint.AxisPosition(PlotSurface2D.YAxisPosition.Left, 60));
chart1.InteractionOccured += new xuzhenzhen.com.chart.Windows.PlotSurface2D.InteractionHandler(chart1_InteractionOccured);
chart1.PlotBackColor = Color.White;
chart1.BackColor = System.Drawing.SystemColors.Control;
chart1.XAxis1.Color = Color.Black;
chart1.YAxis1.Color = Color.Black;
chart1.Legend = legend;
chart1.LegendZOrder = 1;
chart1.Refresh();
///////////////////////////
chart2.Add(fill);
chart2.Add(grid);
chart2.Add(hrPlot);
chart2.Add(vline);
chart2.XAxis1.HideTickText = true;
chart2.YAxis1.Label = "心率:BPM";
chart2.YAxis1.LabelOffsetAbsolute = true;
chart2.Padding = 5;
chart2.AddAxesConstraint(new AxesConstraint.AxisPosition(PlotSurface2D.YAxisPosition.Left, 60));
chart2.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.HorizontalDrag());
chart2.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.VerticalDrag());
chart2.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.VerticalGuideline());
chart2.InteractionOccured += new xuzhenzhen.com.chart.Windows.PlotSurface2D.InteractionHandler(chart2_InteractionOccured);
chart2.PlotBackColor = Color.White;
chart2.BackColor = System.Drawing.SystemColors.Control;
chart2.XAxis1.Color = Color.Black;
chart2.YAxis1.Color = Color.Black;
chart2.Refresh();
///////////////////////////
chart3.Add(fill);
chart3.Add(grid);
chart3.Add(sys_hrPlot);
chart3.Add(vline);
LabelAxis axis = new LabelAxis(chart3.XAxis1);
int tick = 1;
if (chart2.XAxis1.WorldMax - chart2.XAxis1.WorldMin > 30)
tick = 2;
for (int i = (int)chart2.XAxis1.WorldMin; i <= chart2.XAxis1.WorldMax; i+=tick)
{
int j = i % 24;
if (j < 0) j += 24;
axis.AddLabel(Convert.ToString(j), i);
}
chart3.XAxis1 = axis;
chart3.XAxis1.Label = "Time:Hour";
chart3.YAxis1.Label = "SYS*PR/100";
chart3.YAxis1.LabelOffsetAbsolute = true;
chart3.Padding = 5;
chart3.AddAxesConstraint(new AxesConstraint.AxisPosition(PlotSurface2D.YAxisPosition.Left, 60));
chart3.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.HorizontalDrag());
chart3.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.VerticalDrag());
chart3.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.VerticalGuideline());
chart3.InteractionOccured += new xuzhenzhen.com.chart.Windows.PlotSurface2D.InteractionHandler(chart3_InteractionOccured);
chart3.PlotBackColor = Color.White;
chart3.BackColor = System.Drawing.SystemColors.Control;
chart3.XAxis1.Color = Color.Black;
chart3.YAxis1.Color = Color.Black;
chart3.Refresh();
SetStatusNow();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="lp1">LinePlot that provides bounds to filled region [upper or lower]</param>
/// <param name="lp2">LinePlot that provides bounds to filled region [upper or lower]</param>
/// <remarks>TODO: make this work with other plot types.</remarks>
public FilledRegion( LinePlot lp1, LinePlot lp2 )
{
lp1_ = lp1;
lp2_ = lp2;
}