protected AreaChart<Number, Number> createChart() {
final NumberAxis xAxis = new NumberAxis(0, 128, 8);
final NumberAxis yAxis = new NumberAxis(0, 50, 10);
final AreaChart<Number, Number> ac = new AreaChart<Number, Number>(xAxis, yAxis);
// setup chart
ac.setId("audioAreaDemo");
ac.setLegendVisible(false);
ac.setTitle("Live Audio Spectrum Data");
ac.setAnimated(false);
xAxis.setLabel("Frequency Bands");
yAxis.setLabel("Magnitudes");
yAxis.setTickLabelFormatter(new NumberAxis.DefaultFormatter(yAxis, null, "dB"));
// add starting data
XYChart.Series<Number, Number> series = new XYChart.Series<Number, Number>();
series.setName("Audio Spectrum");
//noinspection unchecked
series1Data = new XYChart.Data[(int) xAxis.getUpperBound()];
for (int i = 0; i < series1Data.length; i++) {
series1Data[i] = new XYChart.Data<Number, Number>(i, 50);
series.getData().add(series1Data[i]);
}
ac.getData().add(series);
return ac;
}
