private void button3_Click(object sender, EventArgs e)
{
myPlot.Clear();
StepPlot sp1 = new StepPlot();
sp1.OrdinateData = new int[] { 0, 1, 2 };
sp1.AbscissaData = new int[] { 4, 5, 6 };
sp1.Label = "高度";
sp1.Pen.Width = 2;
sp1.Pen.Color = Color.Blue;
myPlot.Add(sp1);
myPlot.Refresh();
}
private void Form1_Load(object sender, EventArgs e)
{
plot.Clear(); //对象名称为plot
// --- Grid Code ---
Grid mygrid = new Grid();
mygrid.HorizontalGridType = Grid.GridType.None;
mygrid.VerticalGridType = Grid.GridType.Fine;
plot.Add(mygrid);
plot.Title = "K-line";
//普通线
StepPlot line = new StepPlot();
line.Pen = new Pen(Color.Red, 1);
line.OrdinateData = new double[] { 0, 1, 0, 1, 1, 0.5, 1, 1, 1 };
line.HideVerticalSegments = false;
plot.Add(line);
plot.Refresh();
//蜡烛图
int[] opens = { 1, 2, 1, 2, 1, 3 }; //开始数目
double[] closes = { 2, 2, 2, 1, 2, 1 }; //结束数目
float[] lows = { 1, 1, 1, 1, 1, 1 }; //最高
System.Int64[] highs = { 3, 2, 3, 3, 3, 4 }; //最低
int[] times = { 0, 1, 2, 3, 4, 5 }; //时间
CandlePlot cp = new CandlePlot();
cp.CloseData = closes;
cp.OpenData = opens;
cp.LowData = lows;
cp.HighData = highs;
cp.AbscissaData = times;
plot2.Title = "蜡烛图";
this.plot2.Add(cp);
//水平+垂直 线
plot3.Add(mygrid);
HorizontalLine line3 = new HorizontalLine(10); //水平线
VerticalLine line4 = new VerticalLine(10); //垂直线
line3.LengthScale = 2.89f;
line4.LengthScale = 0.89f;
plot3.Title = "水平+垂直 线";
plot3.Add(line3, 10);
plot3.Add(line4, 1);
return;
}
public PlotWave() : base()
{
infoText = "";
infoText += "Sound Wave Example. Demonstrates - \n";
infoText += " * StepPlot (centered) and HorizontalLine IDrawables \n";
infoText += " * AxisDrag Interaction - try left clicking and dragging X or Y axes \n";
infoText += " * Vertical & Horizontal GuideLines - without fragmentation problems! \n";
infoText += " * Rubberband Selection - click and drag to zoom an area of the plot \n";
infoText += " * Key actions : +,- zoom, left/right/up/down pan, Home restores original scale and origin";
System.IO.Stream file =
Assembly.GetExecutingAssembly().GetManifestResourceStream("SwfTest.Resources.sound.wav");
System.Int16[] w = new short[5000];
byte[] a = new byte[10000];
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 AxisDrag());
plotSurface.AddInteraction(new KeyActions());
plotSurface.AddInteraction(new NPlot.PlotSelection(Color.Gray));
plotSurface.AddInteraction(new VerticalGuideline(Color.Gray));
plotSurface.AddInteraction(new HorizontalGuideline(Color.Gray));
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.Canvas.BackColor = Color.FromArgb(100, 100, 100);
plotSurface.XAxis1.Color = Color.White;
plotSurface.YAxis1.Color = Color.White;
plotSurface.Refresh();
}
public void CreatePlot(InteractivePlotSurface2D plotSurface)
{
//FileStream fs = new FileStream( @"c:\light.wav", System.IO.FileMode.Open );
System.IO.Stream file =
Assembly.GetExecutingAssembly().GetManifestResourceStream("DemoLib.Resources.light.wav");
System.Int16[] w = new short[5000];
byte[] a = new byte[10000];
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 VerticalGuideline(Color.Gray));
plotSurface.AddInteraction(new HorizontalGuideline(Color.Gray));
plotSurface.AddInteraction(new PlotDrag(true, true));
plotSurface.AddInteraction(new AxisDrag());
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.OuterBackColor = Color.Black;
plotSurface.PlotBackColor = Color.DarkBlue;
plotSurface.XAxis1.Color = Color.White;
plotSurface.YAxis1.Color = Color.White;
plotSurface.Refresh();
}
public PlotMockup()
{
infoText = "";
infoText += "THE TEST (can your charting library handle this?) - \n";
infoText += "NPlot demonstrates it can handle real world charting requirements.";
// 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();
plotSurface.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
// 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 = NPlot.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 = NPlot.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; // Not required if TicksAngle bug #2000693 fixed
((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; // Not required if TicksAngle bug #2000693 fixed
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(XAxisPosition.Bottom, YAxisPosition.Left);
l.HorizontalEdgePlacement = NPlot.Legend.Placement.Outside;
l.VerticalEdgePlacement = NPlot.Legend.Placement.Inside;
l.XOffset = 5;
l.YOffset = 50;
l.BorderStyle = NPlot.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.Refresh();
}
public PlotParticles()
{
infoText = "";
infoText += "Particles Example. Demonstrates - \n";
infoText += " * How to chart multiple data sets against multiple axes at the same time.";
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, XAxisPosition.Bottom, 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, XAxisPosition.Bottom, 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, XAxisPosition.Bottom, YAxisPosition.Left);
Pen p2 = new Pen(Color.Red, 2.0f);
float [] pattern = { 5.0f, 40.0f };
p2.DashPattern = pattern;
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 [] 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, XAxisPosition.Bottom, 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);
// Finally, refreshes the plot
plotSurface.Refresh();
}
public StepPlotSample() : base()
{
infoText = "";
infoText += "Sound Wave Example. Demonstrates - \n";
infoText += " * StepPlot (centered) and HorizontalLine IDrawables \n";
infoText += " * Vertical ColorGradient plotBackground \n";
//infoText += " * AxisDrag Interaction - try left clicking and dragging X or Y axes \n";
//infoText += " * Vertical & Horizontal GuideLines - without fragmentation problems! \n";
//infoText += " * Rubberband Selection - click and drag to zoom an area of the plot \n";
//infoText += " * Key actions : +,- zoom, left/right/up/down pan, Home restores original scale and origin";
Assembly asm = Assembly.GetExecutingAssembly();
Stream file = asm.GetManifestResourceStream("Samples.Resources.sound.wav");
byte[] a = new byte[10000];
System.Int16[] v = new short[5000];
System.Int16[] w = new short[1000];
file.Read(a, 0, 10000);
for (int i = 100; i < 5000; ++i)
{
v[i] = BitConverter.ToInt16(a, i * 2);
}
file.Close();
// Select only every 5th sample, so data size = 1000 points
for (int i = 1; i < 1000; ++i)
{
w[i] = v[i * 5];
}
plotCanvas.Clear();
plotCanvas.AddInteraction(new KeyActions());
//plotCanvas.AddInteraction (new AxisDrag ());
//plotCanvas.AddInteraction (new PlotSelection (Color.Gray));
//plotCanvas.AddInteraction (new VerticalGuideline (Color.Gray));
//plotCanvas.AddInteraction (new HorizontalGuideline (Color.Gray));
plotCanvas.Add(new HorizontalLine(2500.0, Colors.LightBlue));
StepPlot sp = new StepPlot();
sp.DataSource = w;
sp.Color = Colors.Black;
sp.Center = true;
plotCanvas.Add(sp);
plotCanvas.YAxis1.FlipTickText = true;
plotCanvas.Canvas.BackgroundColor = new Color(0.375, 0.375, 0.375);
ColorGradient g = new ColorGradient();
g.StartColor = new Color(0.5, 0.5, 1);
g.EndColor = new Color(0.5, 1, 0.5);
plotCanvas.PlotBackGradient = g;
plotCanvas.XAxis1.LineColor = Colors.White;
plotCanvas.YAxis1.LineColor = Colors.White;
PackStart(plotCanvas.Canvas, true);
Label la = new Label(infoText);
PackStart(la);
}
