Пример #1
0
        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);
        }
Пример #2
0
        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);
        }