本文整理匯總了Java中org.jfree.chart.plot.CategoryPlot.mapDatasetToRangeAxis方法的典型用法代碼示例。如果您正苦於以下問題:Java CategoryPlot.mapDatasetToRangeAxis方法的具體用法?Java CategoryPlot.mapDatasetToRangeAxis怎麽用?Java CategoryPlot.mapDatasetToRangeAxis使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.jfree.chart.plot.CategoryPlot
的用法示例。
在下文中一共展示了CategoryPlot.mapDatasetToRangeAxis方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: createChart
import org.jfree.chart.plot.CategoryPlot; //導入方法依賴的package包/類
private JFreeChart createChart() {
if (data.getItemCount() > 0) {
// get cumulative percentages
KeyedValues cumulative = DataUtilities.getCumulativePercentages(data);
CategoryDataset categoryDataset = DatasetUtilities.createCategoryDataset(
"Count for " + this.dataTable.getColumnName(this.countColumn) + " = " + countValue, data);
// create the chart...
final JFreeChart chart = ChartFactory.createBarChart(null, // chart title
this.dataTable.getColumnName(this.groupByColumn), // domain axis label
"Count", // range axis label
categoryDataset, // data
PlotOrientation.VERTICAL, true, // include legend
true, false);
// set the background color for the chart...
chart.setBackgroundPaint(Color.WHITE);
// get a reference to the plot for further customization...
CategoryPlot plot = chart.getCategoryPlot();
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setLowerMargin(0.02);
domainAxis.setUpperMargin(0.02);
domainAxis.setLabelFont(LABEL_FONT_BOLD);
domainAxis.setTickLabelFont(LABEL_FONT);
// set the range axis to display integers only...
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits(Locale.US));
rangeAxis.setLabelFont(LABEL_FONT_BOLD);
rangeAxis.setTickLabelFont(LABEL_FONT);
// second data set (cumulative percentages)
CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("Cumulative (Percent)", cumulative);
LineAndShapeRenderer renderer2 = new LineAndShapeRenderer();
renderer2.setSeriesPaint(0, SwingTools.VERY_DARK_BLUE.darker());
NumberAxis axis2 = new NumberAxis("Percent of " + countValue);
axis2.setNumberFormatOverride(NumberFormat.getPercentInstance());
axis2.setLabelFont(LABEL_FONT_BOLD);
axis2.setTickLabelFont(LABEL_FONT);
plot.setRangeAxis(1, axis2);
plot.setDataset(1, dataset2);
plot.setRenderer(1, renderer2);
plot.mapDatasetToRangeAxis(1, 1);
axis2.setTickUnit(new NumberTickUnit(0.1));
// show grid lines
plot.setRangeGridlinesVisible(true);
// bring cumulative line to front
plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
if (isLabelRotating()) {
domainAxis.setTickLabelsVisible(true);
domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 2.0d));
}
return chart;
} else {
return null;
}
}