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.chart.ChartGenerator_JTable; import edu.ucla.stat.SOCR.chart.SuperXYChart_QQ; /** * A simple demonstration application showing how to create a line chart using * data from an {@link XYDataset}. * */ public class QQNormalPlotDemo extends SuperXYChart_QQ implements PropertyChangeListener { public void init() { LEGEND_SWITCH = false; super.init(); depLabel.setText("Data"); // Y } public void doTest() { JFreeChart chart; ChartGenerator_JTable chartMaker = new ChartGenerator_JTable(); resetChart(); showMessageDialog(chartTitle + " doTest get called!"); int no_series = dataTable.getColumnCount(); //one y column only int[][] pairs = new int[no_series][2]; for (int i = 0; i < no_series; i++) { pairs[i][0] = 0; // there is no x column pairs[i][1] = 0; //column y } chart = chartMaker.getXYChart("LineQQ", "QQNormalPlot Chart", "Data", "NormalDistribution of Data", 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) { row_count = 10; raw_y = new String[row_count]; 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"; raw_y[8] = "102"; raw_y[9] = "96"; do_normalQQ(raw_y, row_count); int len = normalQuantiles.length; XYSeries series1 = new XYSeries("QQ"); for (int i = 0; i < len; i++) { //for (int i=0; i<row_count; i++){ //System.out.println("i="+i+" normalQ="+normalQuantiles[i]+" stdRes="+stdResiduals[i]); series1.add(normalQuantiles[i], stdResiduals[i]); } XYSeries series2 = new XYSeries("Reference Line"); min_x = Math.min(normalQuantiles[0], stdResiduals[0]); min_x = min_x - 0.125; max_x = Math.max(normalQuantiles[len - 1], stdResiduals[len - 1]); // max_x = Math.max (normalQuantiles[row_count-1],stdResiduals[row_count-1]); max_x = max_x + 0.125; series2.add(min_x, min_x); series2.add(max_x, max_x); XYSeriesCollection dataset = new XYSeriesCollection(); dataset.addSeries(series1); dataset.addSeries(series2); 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, //"Normal 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); // very confusing return chart; } }