Java tutorial
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See the GNU Lesser General Public License for more details see http://opensource.org/licenses/lgpl-license.php. http://www.SOCR.ucla.edu http://wiki.stat.ucla.edu/socr It s Online, Therefore, It Exists! ****************************************************/ package edu.ucla.stat.SOCR.chart.demo; import java.awt.Color; import java.beans.PropertyChangeListener; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.StatisticalBarRenderer; import org.jfree.chart.renderer.category.StatisticalLineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.statistics.DefaultStatisticalCategoryDataset; import org.jfree.data.statistics.Statistics; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperCategoryChart_Stat_Raw; import edu.ucla.stat.SOCR.chart.gui.SOCRCategoryCellLabelGenerator; /** * A simple demonstration application showing how to create a "statistical" * line chart using data from a {@link CategoryDataset}. */ public class StatisticalLineChartDemo2 extends SuperCategoryChart_Stat_Raw implements PropertyChangeListener { public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog("StatisticalLineChartDemo2 doTest get called!"); int no_series = dataTable.getRowCount() - 1; int no_category = dataTable.getColumnCount() - 2; int[][] pairs = new int[no_category][2]; for (int i = 0; i < no_category; i++) { pairs[i][0] = i + 1; //column i store category i pairs[i][1] = 0; //column 0 stores series name } chart = chartMaker.getCategoryChart("LineStatRaw", "LineChart", "Type", "value", dataTable, no_category, pairs, ""); chartPanel = new ChartPanel(chart, false); setChart(); } /** * Creates a sample dataset. * * @return The dataset. */ protected CategoryDataset createDataset(boolean isDemo) { double mean, stdDev; if (isDemo) { SERIES_COUNT = 2; CATEGORY_COUNT = 4; VALUE_COUNT = 10; values_storage = new String[SERIES_COUNT][CATEGORY_COUNT]; DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset(); for (int s = 0; s < SERIES_COUNT; s++) { for (int c = 0; c < CATEGORY_COUNT; c++) { Double[] values = createValueList(0, 20.0, VALUE_COUNT); values_storage[s][c] = vs; mean = Statistics.calculateMean(values); stdDev = Statistics.getStdDev(values); dataset.add(mean, stdDev, "Series " + s, "Category " + c); } } return dataset; } else return super.createDataset(false); } /** * Creates a sample chart. * * @param dataset a dataset. * * @return The chart. */ protected JFreeChart createChart(CategoryDataset dataset) { // create the chart... JFreeChart chart = ChartFactory.createLineChart(chartTitle, // chart title domainLabel, // domain axis label rangeLabel, // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation !legendPanelOn, // include legend true, // tooltips false // urls ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); CategoryPlot plot = (CategoryPlot) chart.getPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setRangeGridlinePaint(Color.white); CategoryAxis domainAxis = plot.getDomainAxis(); domainAxis.setUpperMargin(0.0); domainAxis.setLowerMargin(0.0); // customise the range axis... NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); rangeAxis.setAutoRangeIncludesZero(true); // customise the renderer... StatisticalLineAndShapeRenderer renderer = new StatisticalLineAndShapeRenderer(true, false); renderer.setLegendItemLabelGenerator( new SOCRCategoryCellLabelGenerator(dataset, values_storage, SERIES_COUNT, CATEGORY_COUNT)); plot.setRenderer(renderer); // OPTIONAL CUSTOMISATION COMPLETED. return chart; } protected JFreeChart createLegend(CategoryDataset dataset) { // JFreeChart chart = ChartFactory.createAreaChart( JFreeChart chart = ChartFactory.createLineChart(chartTitle, // chart title domainLabel, // domain axis label rangeLabel, // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips false // urls ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); CategoryPlot plot = chart.getCategoryPlot(); StatisticalLineAndShapeRenderer renderer = new StatisticalLineAndShapeRenderer(true, false); renderer.setLegendItemLabelGenerator( new SOCRCategoryCellLabelGenerator(dataset, values_storage, SERIES_COUNT, CATEGORY_COUNT)); plot.setRenderer(renderer); return chart; } }