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.NumberAxis; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer; import org.jfree.data.xy.XYDataset; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import org.jfree.ui.RectangleInsets; import edu.ucla.stat.SOCR.analyses.exception.DataException; import edu.ucla.stat.SOCR.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperXYChart_QQ_DD; import edu.ucla.stat.SOCR.util.RegressionLine; /** * A simple demonstration application showing how to create a line chart using * data from an {@link XYDataset}. * */ public class QQData2DataDemo extends SuperXYChart_QQ_DD implements PropertyChangeListener { public void init() { LEGEND_SWITCH = false; super.init(); } public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog(chartTitle + " doTest get called!"); int no_series = dataTable.getColumnCount() / 2; int[][] pairs = new int[no_series][2]; for (int i = 0; i < no_series; i++) { pairs[i][0] = 2 * i; //column x pairs[i][1] = 2 * i + 1; //column y } chart = chartMaker.getXYChart("LineQQDD", "QQD2D Chart", "Group1", "Group 2", dataTable, no_series, pairs, ""); chartPanel = new ChartPanel(chart, false); setChart(); } /** * Creates a sample dataset. * * @return a sample dataset. */ protected XYDataset createDataset(boolean isDemo) { if (isDemo) { larger_row_count = 10; x_row_count = 10; y_row_count = 8; raw_x = new String[x_row_count]; raw_y = new String[y_row_count]; raw_x[0] = "95"; raw_x[1] = "104"; raw_x[2] = "99"; raw_x[3] = "102"; raw_x[4] = "95"; raw_x[5] = "106"; raw_x[6] = "100"; raw_x[7] = "108"; raw_x[8] = "104"; raw_x[9] = "97"; raw_y[0] = "97"; raw_y[1] = "98"; raw_y[2] = "92"; raw_y[3] = "94"; raw_y[4] = "93"; raw_y[5] = "106"; raw_y[6] = "94"; raw_y[7] = "109"; do_dd(); XYSeries series1 = new XYSeries("QQ"); //for (int i=0; i<row_count; i++){ int len = normalQuantiles.length; for (int i = 0; i < len; i++) { //System.out.println("i="+i+" x="+normalQuantiles[i]+" y="+stdResiduals[i]); series1.add(normalQuantiles[i], stdResiduals[i]); } XYSeriesCollection dataset = new XYSeriesCollection(); dataset.addSeries(series1); try { XYSeries series2 = new XYSeries("Reference Line"); RegressionLine refLine = new RegressionLine(normalQuantiles, stdResiduals); double intercept = refLine.getIntercept(); double slope = refLine.getSlope(); min_x = Math.min(normalQuantiles[0], stdResiduals[0]); double min_y = slope * min_x + intercept; max_x = Math.max(normalQuantiles[len - 1], stdResiduals[len - 1]); //max_x = Math.max (normalQuantiles[row_count-1],stdResiduals[row_count-1]); double max_y = slope * max_x + intercept; series2.add(min_x, min_y); series2.add(max_x, max_y); dataset.addSeries(series2); } catch (DataException e) { System.out.println("cought dataException"); e.printStackTrace(); } return dataset; } else return super.createDataset(false); } /** * Creates a chart. * * @param dataset the data for the chart. * * @return a chart. */ protected JFreeChart createChart(XYDataset dataset) { // create the chart... JFreeChart chart = ChartFactory.createXYLineChart(chartTitle, //"Data vs Data Q-Q plot", // chart title domainLabel, // x axis label rangeLabel, // y axis label dataset, // data PlotOrientation.VERTICAL, !legendPanelOn, // include legend true, // tooltips false // urls ); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.setBackgroundPaint(Color.white); // get a reference to the plot for further customisation... XYPlot plot = (XYPlot) chart.getPlot(); plot.setBackgroundPaint(Color.white); plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0)); plot.setDomainGridlinePaint(Color.lightGray); plot.setRangeGridlinePaint(Color.lightGray); XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer(); // renderer.setShapesVisible(true); renderer.setBaseShapesFilled(true); // renderer.setLinesVisible(false); renderer.setSeriesLinesVisible(1, true); renderer.setSeriesShapesVisible(1, false); renderer.setSeriesLinesVisible(0, false); renderer.setSeriesShapesVisible(0, true); //renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator()); // change the auto tick unit selection to integer units only... NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setAutoRangeIncludesZero(false); rangeAxis.setUpperMargin(0.02); rangeAxis.setLowerMargin(0.02); // rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis(); domainAxis.setAutoRangeIncludesZero(false); domainAxis.setUpperMargin(0.02); domainAxis.setLowerMargin(0.02); // domainAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); // OPTIONAL CUSTOMISATION COMPLETED. setQQSummary(dataset); return chart; } }