public PointPlotSample()
: base()
{
infoText = "";
infoText += "Sinc Function Example. Demonstrates - \n";
infoText += " * Charting LinePlot and PointPlot at the same time. \n";
infoText += " * Adding a legend.";
plotCanvas.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] = Math.Sin ((((double)i-50.0)/4.0))/(((double)i-50.0)/4.0);
b[i] *= mult;
}
a[i] += b[i];
}
Marker m = new Marker (Marker.MarkerType.Cross1, 6, Colors.Blue);
PointPlot pp = new PointPlot (m);
pp.OrdinateData = a;
pp.AbscissaData = new StartStep (-500.0, 10.0);
pp.Label = "Random";
plotCanvas.Add (pp);
LinePlot lp = new LinePlot ();
lp.OrdinateData = b;
lp.AbscissaData = new StartStep( -500.0, 10.0 );
lp.LineColor = Colors.Red;
lp.LineWidth = 2;
plotCanvas.Add (lp);
plotCanvas.Title = "Sinc Function";
plotCanvas.YAxis1.Label = "Magnitude";
plotCanvas.XAxis1.Label = "Position";
Legend legend = new Legend();
legend.AttachTo (XAxisPosition.Top, YAxisPosition.Left);
legend.VerticalEdgePlacement = Legend.Placement.Inside;
legend.HorizontalEdgePlacement = Legend.Placement.Inside;
legend.YOffset = 8;
plotCanvas.Legend = legend;
plotCanvas.LegendZOrder = 1; // default zorder for adding idrawables is 0, so this puts legend on top.
PackStart (plotCanvas.Canvas, true);
Label la = new Label (infoText);
PackStart (la);
}
public PlotMarkerSample()
: base()
{
infoText = "";
infoText += "Markers Example. Demonstrates - \n";
infoText += " * PointPlot and the available marker types \n";
infoText += " * Legends, and how to place them.";
plotCanvas.Clear();
double[] y = new double[1] {1.0};
foreach (object i in Enum.GetValues (typeof(Marker.MarkerType))) {
Marker m = new Marker( (Marker.MarkerType)Enum.Parse(typeof(Marker.MarkerType), i.ToString()), 8 );
m.FillColor = Colors.Red;
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();
plotCanvas.Add (pp);
}
plotCanvas.Title = "Markers";
plotCanvas.YAxis1.Label = "Index";
plotCanvas.XAxis1.Label = "Marker";
plotCanvas.YAxis1.WorldMin = 0.0;
plotCanvas.YAxis1.WorldMax = 2.0;
plotCanvas.XAxis1.WorldMin -= 1.0;
plotCanvas.XAxis1.WorldMax += 1.0;
Legend legend = new Legend();
legend.AttachTo( XAxisPosition.Top, 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;
plotCanvas.Legend = legend;
PackStart (plotCanvas.Canvas, true);
Label la = new Label (infoText);
PackStart (la);
}
/// <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>
/// 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( Point point )
{
marker_ = new Marker (Marker.MarkerType.Square);
x_ = point.X;
y_ = point.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, Point point)
{
marker_ = marker;
x_ = point.X;
y_ = point.Y;
}
/// <summary>
/// Constructor for the marker plot.
/// </summary>
/// <param name="marker">The marker to use.</param>
public PointPlot(Marker marker)
{
this.marker = marker;
}
/// <summary>
/// Default Constructor
/// </summary>
public PointPlot()
{
marker = new Marker ();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="marker">The marker type to use for this plot.</param>
public LabelPointPlot(Marker marker)
: base(marker)
{
}