import com.xeiam.xchart.StyleManager.LegendPosition; //导入依赖的package包/类
/**
 * Creates a frequency bar diagram based on the frequency map.
 *
 * @param freqMap
 *            frequency map
 * @param seriesName
 *            name of the series
 * @return chart
 */
private static Chart makeBarChart(final Map<String, Integer> freqMap,
		final String seriesName) {
	final int frameWidth = 800;
	final int frameHeight = 600;
	// Convert input data for processing
	ArrayList<String> labels = new ArrayList<String>(freqMap.keySet());
	ArrayList<Integer> frequency = new ArrayList<Integer>(freqMap.values());

	// Create Chart
	Chart chart = new ChartBuilder().chartType(ChartType.Bar)
			.width(frameWidth).height(frameHeight).title("Score Histogram")
			.xAxisTitle(seriesName).yAxisTitle("Frequency").build();

	chart.addSeries(seriesName, new ArrayList<String>(labels),
			new ArrayList<Integer>(frequency));

	// Customize Chart
	chart.getStyleManager().setLegendPosition(LegendPosition.InsideNW);

	return chart;
}
 

import com.xeiam.xchart.StyleManager.LegendPosition; //导入依赖的package包/类
public static Chart createChart(String title, int minX, int maxX, LegendPosition position) {
    Chart chart = new ChartBuilder().width(235).height(200).build();

    // Customize Chart
    chart.setChartTitle(title);
    chart.getStyleManager().setChartTitleVisible(true);
    chart.getStyleManager().setChartTitleFont(new Font("Arial", Font.PLAIN, 10));
    chart.getStyleManager().setLegendPosition(position);
    chart.getStyleManager().setLegendVisible(true);
    chart.getStyleManager().setLegendFont(new Font("Arial", Font.PLAIN, 10));
    chart.getStyleManager().setLegendPadding(6);
    chart.getStyleManager().setLegendSeriesLineLength(6);
    chart.getStyleManager().setAxisTickLabelsFont(new Font("Arial", Font.PLAIN, 9));
    
    chart.getStyleManager().setXAxisMin(minX);
    chart.getStyleManager().setXAxisMax(maxX);
    chart.getStyleManager().setChartBackgroundColor(Color.white);
    chart.getStyleManager().setChartPadding(4);
    
    chart.getStyleManager().setChartType(ChartType.Line);
    return chart;
}
 

import com.xeiam.xchart.StyleManager.LegendPosition; //导入依赖的package包/类
public static Chart createChart(String title, int width, int height,
                                LegendPosition position, boolean legendVisible) {
    Chart chart = new ChartBuilder().width(width).height(height).build();

    // Customize Chart
    chart.setChartTitle(title);
    chart.getStyleManager().setChartTitleVisible(true);
    chart.getStyleManager().setChartTitleFont(new Font("Arial", Font.PLAIN, 12));
    chart.getStyleManager().setLegendPosition(position);
    chart.getStyleManager().setLegendVisible(legendVisible);
    chart.getStyleManager().setLegendFont(new Font("Arial", Font.PLAIN, 12));
    chart.getStyleManager().setLegendPadding(6);
    chart.getStyleManager().setLegendSeriesLineLength(10);
    chart.getStyleManager().setAxisTickLabelsFont(new Font("Arial", Font.PLAIN, 10));
    
    chart.getStyleManager().setChartBackgroundColor(Color.white);
    chart.getStyleManager().setChartPadding(4);
    
    chart.getStyleManager().setChartType(ChartType.Line);
    return chart;
}
 

import com.xeiam.xchart.StyleManager.LegendPosition; //导入依赖的package包/类
public static Chart createChart(String title, LegendPosition position) {
    Chart chart = new ChartBuilder().width(650).height(450).build();

    // Customize Chart
    chart.setChartTitle(title);
    chart.getStyleManager().setChartTitleVisible(true);
    chart.getStyleManager().setChartTitleFont(new Font("Arial", Font.PLAIN, 12));
    chart.getStyleManager().setLegendPosition(position);
    chart.getStyleManager().setLegendVisible(true);
    chart.getStyleManager().setLegendFont(new Font("Arial", Font.PLAIN, 12));
    chart.getStyleManager().setLegendPadding(6);
    chart.getStyleManager().setLegendSeriesLineLength(10);
    chart.getStyleManager().setAxisTickLabelsFont(new Font("Arial", Font.PLAIN, 10));
    
    chart.getStyleManager().setChartBackgroundColor(Color.white);
    chart.getStyleManager().setChartPadding(4);
    
    chart.getStyleManager().setChartType(ChartType.Line);
    return chart;
}
 

import com.xeiam.xchart.StyleManager.LegendPosition; //导入依赖的package包/类
public static JComponent createComponent() {
    JComponent container = new JPanel();
    container.setLayout(new BoxLayout(container, BoxLayout.LINE_AXIS));
    
    Chart chart1 = createChart("Voltage", 550, 450, LegendPosition.InsideNE, true);
    Chart chart2 = createChart("Error Covariance", 450, 450, LegendPosition.InsideNE, false);
    
    constantVoltageTest(chart1, chart2);

    container.add(new XChartPanel(chart1));
    container.add(new XChartPanel(chart2));
    
    container.setBorder(BorderFactory.createLineBorder(Color.black, 1));
    return container;
}
 

import com.xeiam.xchart.StyleManager.LegendPosition; //导入依赖的package包/类
public static JComponent createComponent() {
    JComponent container = new JPanel();
    container.setLayout(new BoxLayout(container, BoxLayout.PAGE_AXIS));

    Chart chart = createChart("Cannonball", LegendPosition.InsideNE);
    cannonballTest(chart);
    container.add(new XChartPanel(chart));
    
    container.setBorder(BorderFactory.createLineBorder(Color.black, 1));
    return container;
}
 

import com.xeiam.xchart.StyleManager.LegendPosition; //导入依赖的package包/类
public void startChart(String title, String xLabel, String yLabel) {
	chart = new ChartBuilder().width(IMAGE_WIDTH).height(IMAGE_HEIGHT).title(title).xAxisTitle(xLabel)
			.yAxisTitle(yLabel).build();
	chart.getStyleManager().setLegendPosition(LegendPosition.InsideSE);
}
 

import com.xeiam.xchart.StyleManager.LegendPosition; //导入依赖的package包/类
public void startChartWithoutLegend(String title, String xLabel, String yLabel) {
	chart = new ChartBuilder().width(IMAGE_WIDTH).height(IMAGE_HEIGHT).title(title).xAxisTitle(xLabel)
			.yAxisTitle(yLabel).build();
	chart.getStyleManager().setLegendPosition(LegendPosition.InsideSE);
	chart.getStyleManager().setLegendVisible(false);
}