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 PlotWave()
{
string lines = "Sound Wave Example. Demonstrates - * StepPlot (centered) and HorizontalLine IDrawables * How to set colors of various things. * A few plot interactions. Try left clicking and dragging (a) the axes (b) in the plot region. * In the future I plan add a plot interaction for axis drag that knows if the ctr key is down. This will select between drag/scale";
infoBox.Text = lines;
//FileStream fs = new FileStream( @"c:\light.wav", System.IO.FileMode.Open );
//System.IO.Stream file =Assembly.GetExecutingAssembly().GetManifestResourceStream("Resources.light.wav");
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(PlotSurface2DDemo));
System.Int16[] w = new short[5000];
byte[] a = (Byte[])resources.GetObject("light");
//file.Read( a, 0, 10000 );
for (int i=100; i<5000; ++i)
{
w[i] = BitConverter.ToInt16(a,i*2);
}
//file.Close();
plotSurface.Clear();
plotSurface.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.VerticalGuideline());
plotSurface.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.HorizontalRangeSelection(3));
plotSurface.AddInteraction(new xuzhenzhen.com.chart.Windows.PlotSurface2D.Interactions.AxisDrag(true));
plotSurface.Add(new HorizontalLine(0.0, Color.LightBlue));
StepPlot sp = new StepPlot();
sp.DataSource = w;
sp.Color = Color.Yellow;
sp.Center = true;
plotSurface.Add( sp );
plotSurface.YAxis1.FlipTicksLabel = true;
plotSurface.PlotBackColor = Color.DarkBlue;
plotSurface.BackColor = Color.Black;
plotSurface.XAxis1.Color = Color.White;
plotSurface.YAxis1.Color = Color.White;
plotSurface.XAxis1.LabelOffset = 0;
plotSurface.YAxis1.LabelOffset = 0;
plotSurface.Refresh();
}
