Demo Showing Custom Node for Z-Graph

AreaChartDemo.java

public class AreaChartDemo extends Application {

    public static void main(String[] args) {
        launch(args);
    }

    private Point2D firstClick = null;


    private float SND(double x) {
        return (float) ((1 / Math.sqrt(2 * Math.PI)) * Math.pow(Math.E, -Math.pow(x, 2) / 2));
    }

    public XYChart.Series<Number, Number> create_z_chart(Float segments) {
        XYChart.Series<Number, Number> series = new XYChart.Series<>();
        for (float i = -4; i < 4; i += 4 / segments) {
            XYChart.Data<Number, Number> value = new XYChart.Data<>(i, SND(i));
            System.out.println(i);
            if ((i > 0.96) && (i < 1.03)) {
                value.setNode(new Label("Right Here"));
              } else {
                value.setNode(new Circle(.0));
            }
            series.getData().add(value);
            System.out.println(value.getNode());
        }
        return series;
    }

    @Override
    public void start(Stage stage) throws Exception {

        NumberAxis x = new NumberAxis(-4, 4, 1);
        x.setLabel("Z");

        NumberAxis y = new NumberAxis();
        y.setLabel("Probability Density");

        AreaChart<Number, Number> areaChart = new AreaChart<>(x, y);
        XYChart.Series<Number, Number> z_series = create_z_chart(100.0F);
        areaChart.getData().add(z_series);
        z_series.setName("Z chart");

        areaChart.setCreateSymbols(true);

        Scene scene = new Scene(areaChart, 420, 420);
        stage.setScene(scene);
        stage.show();
        stage.setTitle("Z table");
    }
}