Java tutorial
/**************************************************** Statistics Online Computational Resource (SOCR) http://www.StatisticsResource.org All SOCR programs, materials, tools and resources are developed by and freely disseminated to the entire community. Users may revise, extend, redistribute, modify under the terms of the Lesser GNU General Public License as published by the Open Source Initiative http://opensource.org/licenses/. All efforts should be made to develop and distribute factually correct, useful, portable and extensible resource all available in all digital formats for free over the Internet. SOCR resources are distributed in the hope that they will be useful, but without any warranty; without any explicit, implicit or implied warranty for merchantability or fitness for a particular purpose. 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.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.SpiderWebPlot; import org.jfree.chart.title.LegendTitle; import org.jfree.chart.title.TextTitle; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.RectangleEdge; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperCategoryChart; import edu.ucla.stat.SOCR.chart.gui.*; /** * A simple demonstration application showing how to create a spider chart. */ public class SpiderWebChartDemo1 extends SuperCategoryChart implements PropertyChangeListener { public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog("SpiderWebChartDemo 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("SpiderWeb", "SpiderWeb Chart", "Category", "value", dataTable, no_category, pairs, ""); chartPanel = new ChartPanel(chart, false); setChart(); } /** * Returns a sample dataset. * * @return The dataset. */ protected CategoryDataset createDataset(boolean isDemo) { if (isDemo) { // row keys... String series1 = "First"; String series2 = "Second"; String series3 = "Third"; // column keys... String category1 = "Category 1"; String category2 = "Category 2"; String category3 = "Category 3"; String category4 = "Category 4"; String category5 = "Category 5"; // create the dataset... DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(1.0, series1, category1); dataset.addValue(4.0, series1, category2); dataset.addValue(3.0, series1, category3); dataset.addValue(5.0, series1, category4); dataset.addValue(5.0, series1, category5); dataset.addValue(5.0, series2, category1); dataset.addValue(7.0, series2, category2); dataset.addValue(6.0, series2, category3); dataset.addValue(8.0, series2, category4); dataset.addValue(4.0, series2, category5); dataset.addValue(4.0, series3, category1); dataset.addValue(3.0, series3, category2); dataset.addValue(2.0, series3, category3); dataset.addValue(3.0, series3, category4); dataset.addValue(6.0, series3, category5); return dataset; } else return super.createDataset(false); } /** * Creates a sample chart. * * @param dataset the dataset. * * @return The chart. */ protected JFreeChart createChart(CategoryDataset dataset) { // get a reference to the plot for further customisation... SOCRSpiderWebPlot plot = new SOCRSpiderWebPlot(dataset); JFreeChart chart = new JFreeChart(chartTitle, TextTitle.DEFAULT_FONT, plot, false); LegendTitle legend = new LegendTitle(plot); legend.setPosition(RectangleEdge.BOTTOM); //renderer.setLegendItemLabelGenerator(new SOCRCategorySeriesLabelGenerator()); chart.addSubtitle(legend); setCategorySummary(dataset); if (legendPanelOn) chart.removeLegend(); return chart; } }