How to use

getData

method

in

javafx.scene.chart.LineChart

  @Override
  public void clear() {
    avgChart.getData().clear();
    countChart.getData().clear();
    quantilChart.getData().clear();
    resourceChart.getData().clear();
    logText.clear();
  }
}

/**
 * Set the chart with the selected length.
 *
 * @param xFrames
 *            the x frame length
 * @param yFrames
 *            the y frame length
 */
public void setChart(final int xFrames, final int yFrames) {
  this.xSeries = new XYChart.Series<>();
  this.ySeries = new XYChart.Series<>();
  this.lineChartX = RecordingFactory.createDerivativeLineChart(xFrames);
  this.lineChartY = RecordingFactory.createDerivativeLineChart(yFrames);
  this.lineChartX.getData().add(this.xSeries);
  this.lineChartY.getData().add(this.ySeries);
  this.lineChartX.setTitle("Derivative: X");
  this.lineChartY.setTitle("Derivative: Y");
  HBox.setHgrow(this.lineChartX, Priority.ALWAYS);
  HBox.setHgrow(this.lineChartY, Priority.ALWAYS);
  this.vbox.getChildren().setAll(this.lineChartX, this.lineChartY);
}

public Node getNode() {
  this.chart.getData().addAll( this.actualTimeSeries, this.fullTimeSeries, this.averageTimeSeries );
  this.chart.setPrefHeight( 200 );
  this.fullTimeSeries.getNode().setStyle( "-fx-stroke-width: 2px; -fx-stroke: #f34602;" );
  this.actualTimeSeries.getNode().setStyle( "-fx-stroke-width: 2px; -fx-stroke: #f39502;" );
  this.averageTimeSeries.getNode().setStyle( "-fx-stroke-width: 2px; -fx-stroke: #45df02;" );
  updateChart();
  return this.chart;
}