public StepPlotSample()
: 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";
Assembly asm = Assembly.GetExecutingAssembly ();
Stream file = asm.GetManifestResourceStream ("Samples.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();
plotCanvas.Clear();
//plotCanvas.AddInteraction (new AxisDrag ());
//plotCanvas.AddInteraction (new KeyActions ());
//plotCanvas.AddInteraction (new NPlot.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.Yellow;
sp.Center = true;
plotCanvas.Add( sp );
plotCanvas.YAxis1.FlipTicksLabel = true;
plotCanvas.Canvas.BackgroundColor = new Color (0.375, 0.375, 0.375);
plotCanvas.PlotBackColor = Colors.DarkBlue;
plotCanvas.XAxis1.LineColor = Colors.White;
plotCanvas.YAxis1.LineColor = Colors.White;
PackStart (plotCanvas.Canvas, true);
Label la = new Label (infoText);
PackStart (la);
}
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("GtkTest.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.ModifyBg (StateType.Normal, new Gdk.Color (100, 100, 100) );
plotSurface.XAxis1.Color = Color.White;
plotSurface.YAxis1.Color = Color.White;
plotSurface.Refresh();
}
/// <summary>
/// Update (replot) the graphs
/// </summary>
public void PlotGraphs()
{
if (surface == null)
{
surface = new NPlot.Windows.PlotSurface2D();
tabPageGraphs.Controls.Add(surface);
surface.Dock = DockStyle.Fill;
surface2 = new NPlot.Windows.PlotSurface2D();
surface2.Height = 150;
tabPageGraphs.Controls.Add(surface2);
surface2.Dock = DockStyle.Bottom;
}
surface.Clear();
//Add a background grid for better chart readability.
Grid grid = new Grid();
grid.VerticalGridType = Grid.GridType.Coarse;
grid.HorizontalGridType = Grid.GridType.Coarse;
grid.MajorGridPen = new Pen(Color.LightGray, 1.0f);
surface.Add(grid);
LinePlot lp1 = new LinePlot();
lp1.DataSource = controller.Stats.EvaluationItterations.History;
lp1.Color = Color.Black;
lp1.Label = "Itterations";
surface.Add(lp1);
LinePlot lp2 = new LinePlot();
lp2.DataSource = controller.Stats.Nodes.History;
lp2.Pen = new Pen(Color.Green, 2.0f);
lp2.Label = "Nodes";
surface.Add(lp2);
LinePlot lp3 = new LinePlot();
lp3.DataSource = controller.Stats.Duplicates.History;
lp3.Pen = new Pen(Color.Orange, 1.0f);
lp3.Label = "Duplicates";
surface.Add(lp3);
LinePlot lp4 = new LinePlot();
lp4.DataSource = controller.Stats.DeadNodes.History;
lp4.Pen = new Pen(Color.Red, 1.5f);
lp4.Label = "Dead";
surface.Add(lp4);
LinePlot lp6 = new LinePlot();
lp6.DataSource = controller.Stats.AvgEvalList.History;
lp6.Pen = new Pen(Color.Brown, 1.3f);
lp6.Label = "Eval List";
surface.Add(lp6);
LinePlot lp7 = new LinePlot();
lp7.DataSource = controller.Stats.NodesFwd.History;
lp7.Pen = new Pen(Color.Brown, 1.0f);
lp7.Pen.DashStyle = DashStyle.Dash;
lp7.Label = "Nodes Fwd";
surface.Add(lp7);
LinePlot lp8 = new LinePlot();
lp8.DataSource = controller.Stats.NodesRev.History;
lp8.Pen = new Pen(Color.Cyan, 1.0f);
lp8.Pen.DashStyle = DashStyle.Dash;
lp8.Label = "Nodes Rev";
surface.Add(lp8);
surface.XAxis1.Label = "Elapsed Time (sec)";
surface.YAxis1.Label = "Total";
surface.Legend = new Legend();
surface.SmoothingMode = SmoothingMode.HighQuality;
surface.Title = "Solver | Node Information";
surface.Refresh();
surface2.Clear();
StepPlot lp5 = new StepPlot();
lp5.Pen = new Pen(Color.Fuchsia, 2f);
lp5.DataSource = controller.Stats.NodesPerSecond.History;
lp5.Label = "Nodes/s";
surface2.Add(lp5);
surface2.XAxis1.Label = "Elapsed Time (sec)";
surface2.YAxis1.Label = "Rate (node/sec)";
surface2.Legend = new Legend();
surface2.SmoothingMode = SmoothingMode.HighQuality;
surface2.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();
}
private void InitializePlots()
{
object plot = new object();
for (int j = 1; j < 7; j++)
{
switch (j)
{
case 1:
plot = plotSurface2D1;
break;
case 2:
plot = plotSurface2D2;
break;
case 3:
plot = plotSurface2D3;
break;
case 4:
plot = plotSurface2D4;
break;
case 5:
plot = plotSurface2D5;
break;
case 6:
plot = plotSurface2D6;
break;
}
NPlot.Windows.PlotSurface2D plotter = (NPlot.Windows.PlotSurface2D)plot;
plotter.Clear();
plotter.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
NPlot.Grid grid = new NPlot.Grid();
grid.VerticalGridType = NPlot.Grid.GridType.Coarse;
grid.HorizontalGridType = NPlot.Grid.GridType.Coarse;
grid.MinorGridPen = new Pen(Color.Blue, 1.0f);
grid.MajorGridPen = new Pen(Color.LightGray, 1.0f);
plotter.Add(grid);
StepPlot stepBalance = new StepPlot();
stepBalance.Pen = new Pen(Color.Green, 2);
List<Int32> balanceAxis = new List<Int32>();
List<decimal> balanceAmount = new List<decimal>();
for (int i = 0; i < 10; i++)
balanceAxis.Add(0);
stepBalance.AbscissaData = balanceAxis;
stepBalance.DataSource = balanceAmount;
plotter.Add(stepBalance);
plotter.ShowCoordinates = true;
plotter.AutoScaleAutoGeneratedAxes = true;
plotter.RightMenu = NPlot.Windows.PlotSurface2D.DefaultContextMenu;
plotter.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.AxisDrag(false));
plotter.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.HorizontalDrag());
plotter.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.VerticalDrag());
//Refresh surfaces.
plotter.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.Lines = lines;
//FileStream fs = new FileStream( @"c:\light.wav", System.IO.FileMode.Open );
System.IO.Stream file =
Assembly.GetExecutingAssembly().GetManifestResourceStream("NPlotDemo.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 NPlot.Windows.PlotSurface2D.Interactions.VerticalGuideline());
plotSurface.AddInteraction(new NPlot.Windows.PlotSurface2D.Interactions.HorizontalRangeSelection(3));
plotSurface.AddInteraction(new NPlot.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.Refresh();
}
