http://stackoverflow.com/questions/11358974/how-to-add-a-line-to-a-scatter-plot-java-jmathplot

Author: [email protected]

jmathplot/test/stackoverflow/how_to_add_a_line_to_a_scatter_plot_java_jmathplot/ScatterPlotExample.java

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+package stackoverflow.how_to_add_a_line_to_a_scatter_plot_java_jmathplot;
+
+import java.awt.Color;
+import javax.swing.*;
+import org.math.plot.*;
+import org.math.plot.plotObjects.Line;
+
+public class ScatterPlotExample {
+
+    public static void main(String[] args) {
+
+        double[] x = new double[]{60};
+        double[] y = new double[]{50};
+
+        // create your PlotPanel (you can use it as a JPanel)
+        Plot2DPanel plot = new Plot2DPanel();
+
+        // add a line plot to the PlotPanel
+
+        plot.addScatterPlot("teeeeest", x, y);
+
+        // put the PlotPanel in a JFrame, as a JPanel
+        JFrame frame = new JFrame("a plot panel");
+        frame.setSize(600, 600);
+        frame.setContentPane(plot);
+        frame.setVisible(true);
+
+        makeAxis1to100(plot);
+        drawHorizontalLine(plot);
+    }
+
+    public static void makeAxis1to100(PlotPanel plot) {
+        plot.setFixedBounds(0, 1, 100);
+    }
+
+    public static void drawHorizontalLine(PlotPanel plot) {
+        plot.addPlotable(new Line(Color.red, new double[]{plot.plotCanvas.base.getMinBounds()[0],49.5},new double[]{plot.plotCanvas.base.getMaxBounds()[0],49.5}));
+    }
+}