Scatter Plot
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import java.awt.RenderingHints; import import import import import import
org.jfree.chart.ChartPanel; org.jfree.chart.JFreeChart; org.jfree.chart.axis.NumberAxis; org.jfree.chart.plot.FastScatterPlot; org.jfree.ui.ApplicationFrame; org.jfree.ui.RefineryUtilities;
/** * A demo of the fast scatter plot. * */ public class FastScatterPlotDemo extends ApplicationFrame { /** A constant for the number of items in the sample dataset. */ private static final int COUNT = 500000; /** The data. */ private float[][] data = new float[2][COUNT]; /** * Creates a new fast scatter plot demo. * * @param title the frame title. */ public FastScatterPlotDemo(final String title) { super(title); populateData(); final NumberAxis domainAxis = new NumberAxis("X"); domainAxis.setAutoRangeIncludesZero(false); final NumberAxis rangeAxis = new NumberAxis("Y"); rangeAxis.setAutoRangeIncludesZero(false); final FastScatterPlot plot = new FastScatterPlot(this.data, domainAxis, rangeAxis); final JFreeChart chart = new JFreeChart("Fast Scatter Plot", plot); // chart.setLegend(null); // force aliasing of the rendered content.. chart.getRenderingHints().put (RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
//
//
final ChartPanel panel = new ChartPanel(chart, true); panel.setPreferredSize(new java.awt.Dimension(500, 270)); panel.setHorizontalZoom(true); panel.setVerticalZoom(true); panel.setMinimumDrawHeight(10); panel.setMaximumDrawHeight(2000); panel.setMinimumDrawWidth(20); panel.setMaximumDrawWidth(2000); setContentPane(panel);
} // ****************************************************************************
// * JFREECHART DEVELOPER GUIDE * * * * * * *
// * The JFreeChart Developer Guide, written by David Gilbert, is available // * to purchase from Object Refinery Limited: // * // * http://www.object-refinery.com/jfreechart/guide.html // * // * Sales are used to provide funding for the JFreeChart project - please // * support us so that we can continue developing free software.
*
// **************************************************************************** /** * Populates the data array with random values. */ private void populateData() { for (int i = 0; i < final float x = this.data[0][i] this.data[1][i] }
this.data[0].length; i++) { (float) i + 100000; = x; = 100000 + (float) Math.random() * COUNT;
} /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final FastScatterPlotDemo demo = new FastScatterPlotDemo("Fast Scatter Plot Demo"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }
import import import import import import import import import import
java.awt.Dimension; javax.swing.JPanel; org.jfree.chart.*; org.jfree.chart.axis.NumberAxis; org.jfree.chart.plot.PlotOrientation; org.jfree.chart.plot.XYPlot; org.jfree.chart.renderer.xy.XYDotRenderer; org.jfree.data.xy.XYDataset; org.jfree.ui.ApplicationFrame; org.jfree.ui.RefineryUtilities;
// Referenced classes of package demo: // SampleXYDataset2 public class ScatterPlotDemo2 extends ApplicationFrame { public ScatterPlotDemo2(String s) { super(s); JPanel jpanel = createDemoPanel(); jpanel.setPreferredSize(new Dimension(500, 270)); setContentPane(jpanel); } private static JFreeChart createChart(XYDataset xydataset) { JFreeChart jfreechart = ChartFactory.createScatterPlot("Scatter Plot Demo 2", "X", "Y", xydataset, PlotOrientation.VERTICAL, true, true, false); XYPlot xyplot = (XYPlot)jfreechart.getPlot(); XYDotRenderer xydotrenderer = new XYDotRenderer(); xydotrenderer.setDotWidth(2); xydotrenderer.setDotHeight(2); xyplot.setRenderer(xydotrenderer); NumberAxis numberaxis = (NumberAxis)xyplot.getDomainAxis(); numberaxis.setAutoRangeIncludesZero(false); return jfreechart; } public static JPanel createDemoPanel() { JFreeChart jfreechart = createChart(new SampleXYDataset2()); ChartPanel chartpanel = new ChartPanel(jfreechart); chartpanel.setVerticalAxisTrace(true); chartpanel.setHorizontalAxisTrace(true); chartpanel.setPopupMenu(null); chartpanel.setDomainZoomable(true); chartpanel.setRangeZoomable(true); return chartpanel; } public static void main(String args[]) { ScatterPlotDemo2 scatterplotdemo2 = new ScatterPlotDemo2("Scatter Plot
Demo 2"); scatterplotdemo2.pack(); RefineryUtilities.centerFrameOnScreen(scatterplotdemo2); scatterplotdemo2.setVisible(true); } }
public ScatterPlotDemo(String title) { super(title); XYSeriesCollection dataset = new XYSeriesCollection(); XYSeries series1 = new XYSeries("Series 1"); series1.add(1.0, 4.5); series1.add(4.4, 3.2); dataset.addSeries(series1); XYSeries series2 = new XYSeries("Series 2"); series2.add(3.2, 8.5); series2.add(4.9, 3.7); dataset.addSeries(series2);
XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)plot.getRenderer();
XYItemRenderer xyitem = plot.getRenderer(); xyitem.setBaseItemLabelsVisible(true); xyitem.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT)); xyitem.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator()); xyitem.setBaseItemLabelFont(new Font("Dialog", 1, 14)); plot.setRenderer(xyitem);
<%@ page contentType="text/html;charset=GBK"%> <%@ page import = "org.jfree.chart.ChartFactory, org.jfree.chart.JFreeChart, org.jfree.chart.servlet.ServletUtilities, org.jfree.chart.title.TextTitle, org.jfree.data.time.TimeSeries, org.jfree.data.time.Month, org.jfree.data.time.TimeSeriesCollection, java.awt.Font"%>
<% //����ͳ��ʱ���� TimeSeries timeSeries = new TimeSeries("���۹�blog����ͳ��", Month.class); //ʱ�������� ��� TimeSeriesCollection lineDataset = new TimeSeriesCollection(); //������ ��� timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new
Month(1, 2007), 11200); Month(2, 2007), 9000); Month(3, 2007), 6200); Month(4, 2007), 8200); Month(5, 2007), 8200); Month(6, 2007), 12200); Month(7, 2007), 13200); Month(8, 2007), 8300); Month(9, 2007), 12400); Month(10, 2007), 12500); Month(11, 2007), 13600); Month(12, 2007), 12500);
lineDataset.addSeries(timeSeries); JFreeChart chart = ChartFactory.createTimeSeriesChart("����ͳ��ʱ����", "�·�", "����", lineDataset, true, true, true); //�����ӱ��� TextTitle subtitle = new TextTitle("2007���", new Font("����", Font.BOLD, 12)); chart.addSubtitle(subtitle); //��������� chart.setTitle(new TextTitle("���۹�blog����ͳ��", new Font("e��", Font.ITALIC, 15))); chart.setAntiAlias(true); String filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, null, session); String graphURL = request.getContextPath() + "/DisplayChart?filename=" + filename; %>
��ʱ������Ҫ��ʾ���� ����ֵ������������Ҫ���������һ��Ķ�����JFreeChart chart = ChartFactory.createTimeSeriesChart������TextTitle subtitle = new TextTitle����ǰ�������µĴ��룺 XYPlot plot = (XYPlot) chart.getPlot(); XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)plot.getRenderer(); //������ ���ɫ
plot.setBackgroundPaint(Color.white); //�������������ɫ plot.setDomainGridlinePaint(Color.pink); //������������ɫ plot.setRangeGridlinePaint(Color.pink); //�������� ��xy��ľ��� plot.setAxisOffset(new RectangleInsets(0D, 0D, 0D, 10D)); //��������� ���ʾ�� � xylineandshaperenderer.setBaseShapesVisible(true); //����������ʾ���� ��ֵ XYItemRenderer xyitem = plot.getRenderer(); xyitem.setBaseItemLabelsVisible(true); xyitem.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT)); xyitem.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator()); xyitem.setBaseItemLabelFont(new Font("Dialog", 1, 14)); plot.setRenderer(xyitem);
import java.awt.BasicStroke; import java.awt.Color; import java.awt.Dimension; 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.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; public class LineChartDemo1 extends ApplicationFrame { public LineChartDemo1(final String title) { super(title); final CategoryDataset dataset = createDataset(); final JFreeChart chart = createChart(dataset); final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new Dimension(500, 270)); setContentPane(chartPanel); } public static CategoryDataset createDataset() { final String series1 = "First"; final String series2 = "Second"; final String series3 = "Third"; final String type1 = "Type 1";
final final final final final final final final
String type2 = "Type 2"; String type3 = "Type 3"; String type4 = "Type 4"; String type5 = "Type 5"; String type6 = "Type 6"; String type7 = "Type 7"; String type8 = "Type 8"; DefaultCategoryDataset dataset
=
new
DefaultCategoryDataset();
dataset.addValue(1.0, series1, type1); dataset.addValue(4.0, series1, type2); dataset.addValue(3.0, series1, type3); dataset.addValue(5.0, series1, type4); dataset.addValue(5.0, series1, type5); dataset.addValue(7.0, series1, type6); dataset.addValue(7.0, series1, type7); dataset.addValue(8.0, series1, type8); dataset.addValue(5.0, series2, type1); dataset.addValue(7.0, series2, type2); dataset.addValue(6.0, series2, type3); dataset.addValue(8.0, series2, type4); dataset.addValue(4.0, series2, type5); dataset.addValue(4.0, series2, type6); dataset.addValue(2.0, series2, type7); dataset.addValue(1.0, series2, type8); dataset.addValue(4.0, series3, type1); dataset.addValue(3.0, series3, type2); dataset.addValue(2.0, series3, type3); dataset.addValue(3.0, series3, type4); dataset.addValue(6.0, series3, type5); dataset.addValue(3.0, series3, type6); dataset.addValue(4.0, series3, type7); dataset.addValue(3.0, series3, type8); return dataset; } private JFreeChart createChart(final CategoryDataset dataset) { final JFreeChart chart = ChartFactory.createLineChart( "Line Chart Demo 1", // chart title "Type", // domain axis label "Value", // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips false // urls ); chart.setBackgroundPaint(Color.white); final CategoryPlot plot = (CategoryPlot) chart.getPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setRangeGridlinePaint(Color.white); final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); rangeAxis.setAutoRangeIncludesZero(true); final LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot .getRenderer(); renderer.setShapesFilled(false); renderer.setUseFillPaint(false);
renderer.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 10.0f, 6.0f }, 0.0f)); renderer.setSeriesStroke(1, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 6.0f, 6.0f }, 0.0f)); renderer.setSeriesStroke(2, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 2.0f, 6.0f }, 0.0f)); return chart; } public static void main(final String[] args) { final LineChartDemo1 demo = new LineChartDemo1("Line
Chart
Demo");
demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }
plot.getDomainAxis().setVisible(true); plot.getDomainAxis().setLabelFont(new Font("����", Font.PLAIN, 12)); plot.getDomainAxis().setLabelPaint(Color.BLACK); plot.getDomainAxis().setTickLabelFont(new Font("����", Font.PLAIN, 12)); plot.getDomainAxis().setTickLabelPaint(Color.BLACK); plot.getDomainAxis().setTickLabelsVisible(true); plot.getRangeAxis().setVisible(true); plot.getRangeAxis().setLabelFont(new Font("����", Font.PLAIN, 12)); plot.getRangeAxis().setLabelPaint(Color.BLACK); plot.getRangeAxis().setTickLabelFont(new Font("����", Font.PLAIN, 12)); plot.getRangeAxis().setTickLabelPaint(Color.BLACK); plot.getRangeAxis().setVerticalTickLabels(false); plot.getRangeAxis().setLabelAngle(0.0D); plot.setDomainGridlinesVisible(true); plot.setRangeGridlinesVisible(true); ���³��http://www.diybl.com/course/3_program/java/javashl/20071126/87642.html
import import import import import import import import
org.jfree.chart.ChartFactory; org.jfree.chart.ChartPanel; org.jfree.chart.JFreeChart; org.jfree.chart.plot.PlotOrientation; org.jfree.data.xy.XYSeries; org.jfree.data.xy.XYSeriesCollection; org.jfree.ui.ApplicationFrame; org.jfree.ui.RefineryUtilities;
public class ScatterPlotDemo extends ApplicationFrame { public ScatterPlotDemo(String title) { super(title); XYSeriesCollection dataset = new XYSeriesCollection(); XYSeries series1 = new XYSeries("Series 1"); series1.add(1.0, 4.5); series1.add(4.4, 3.2); dataset.addSeries(series1); XYSeries series2 = new XYSeries("Series 2"); series2.add(3.2, 8.5); series2.add(4.9, 3.7); dataset.addSeries(series2); JFreeChart chart = ChartFactory.createScatterPlot( "Scatter Plot Demo", // title "X", "Y", // axis labels dataset, // dataset PlotOrientation.VERTICAL, true, // legend? yes true, // tooltips? yes false // URLs? no ); ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } public static void main(String[] args) {
ScatterPlotDemo demo = new ScatterPlotDemo("Scatter Plot Demo"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }
NumberAxis numAxis = (NumberAxis)xyplot.getRangeAxis(); DateAxis dateaxis = (DateAxis)xyplot.getDomainAxis(); //����y��ʾ��ʽ numAxis.setAutoTickUnitSelection(false);//�������� �ǩ�Ƿ��Զ�ȷ�� double rangetick = 0.1D; numAxis.setTickUnit(new NumberTickUnit(rangetick)); //y� λ���Ϊ0.1
DateAxis dateaxis = (DateAxis)xyplot.getDomainAxis(); dateaxis.setTickUnit(new DateTickUnit(1, 1, new SimpleDateFormat("MMMyyyy"))); dateaxis.setVerticalTickLabels(true);
XYSeries xyseries = new XYSeries("allyes"); //�Ȳ���XYSeries ���� xyseries.add(20070801, 220000); xyseries.add(20070802, 210000); xyseries.add(20070803, 250000D); xyseries.add(20070804, 450000D); xyseries.add(20070805, 270000D); xyseries.add(20070806, 280000D);
xyseries.add(20070807, 290000D); xyseries.add(20070808, 500000D); XYSeries xyseries1 = new XYSeries("direct"); xyseries1.add(20070801, 230000D); xyseries1.add(20070802, 240000D); xyseries1.add(20070803, 250000D); xyseries1.add(20070804, 260000D); xyseries1.add(20070805, 270000D); xyseries1.add(20070806, 480000D); xyseries1.add(20070807, 290000D); xyseries1.add(20070808, 250000D); XYSeries xyseries2 = new XYSeries("iplus"); xyseries2.add(20070801, 240000D); xyseries2.add(20070802, 280000D); xyseries2.add(20070803, 270000D); xyseries2.add(20070804, 290000D); xyseries2.add(20070805, 230000D); xyseries2.add(20070806, 310000D); xyseries2.add(20070807, 400000D); xyseries2.add(20070808, 220000D); XYSeriesCollection xyseriescollection = new XYSeriesCollection(); //����XYSeriesCollection�����XYSeries ���� xyseriescollection.addSeries(xyseries); xyseriescollection.addSeries(xyseries1); xyseriescollection.addSeries(xyseries2);
import import import import import import import import
org.jfree.chart.ChartFrame; org.jfree.chart.JFreeChart; java.awt.Color; java.awt.Font; java.io.IOException; java.io.UnsupportedEncodingException; java.text.DecimalFormat; java.text.NumberFormat;
import org.jfree.chart.ChartFactory;
import import import import import import import import import
org.jfree.chart.axis.CategoryAxis; org.jfree.chart.axis.CategoryLabelPositions; org.jfree.chart.axis.NumberAxis; org.jfree.chart.axis.NumberTickUnit; org.jfree.chart.labels.StandardCategoryItemLabelGenerator; org.jfree.chart.plot.CategoryPlot; org.jfree.chart.plot.PlotOrientation; org.jfree.chart.renderer.category.LineAndShapeRenderer; org.jfree.data.category.DefaultCategoryDataset;
public class TestLineChart { public static void createLineChart() throws IOException, Exception { /*
// ����һ����������ļ���Ķ��� // �½�һ��άJfreeChart���� JFreeChart[] jfreechart = new JFreeChart[2]; String ChartTitle = "";
JFreeChart chart = ChartFactory.createLineChart(ChartTitle, // ����(��һ�� �ı���) "", // x ����� "", // y ����� getLineDataset(), // ��� PlotOrientation.VERTICAL, // ��ʾ���� true, // ��ʾ �� true, false); // ���ñ���ɫ chart.setBackgroundPaint(new Color(193, 193, 193)); CategoryPlot categoryPlot = chart.getCategoryPlot(); // ����������м �ֱ���ɫ�� categoryPlot.setBackgroundPaint(new Color(233, 233, 233)); // x�� // ���������� �ɼ� categoryPlot.setDomainGridlinesVisible(false); categoryPlot.setDomainGridlinePaint(Color.WHITE);// ����ɫ�� // y�� //��������� �ɼ� categoryPlot.setRangeGridlinesVisible(true); categoryPlot.setRangeGridlinePaint(Color.BLACK);// ����ɫ�� categoryPlot.setNoDataMessage("û�����"); categoryPlot.setNoDataMessagePaint(Color.BLUE); categoryPlot.setNoDataMessageFont(new Font("�� ",Font.PLAIN,35));
// ����������֮��ľ��� // plot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D)); // ��ȡ x ����� CategoryAxis domainAxis = categoryPlot.getDomainAxis(); domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);//
X��45��б // ���þ��� Ƭ�� ��� domainAxis.setLowerMargin(0.0); // ���þ��� Ƭ� ��� domainAxis.setUpperMargin(0.0); // ��ȡ y ����� NumberAxis yAxis = (NumberAxis) categoryPlot.getRangeAxis(); // ����y����Сֵ yAxis.setLowerBound(0.0D); // ����Legend��λ�� ���λ�� // ((JFreeChart) chart).getLegend().setPosition(RectangleEdge.RIGHT); NumberFormat nf =new DecimalFormat("0.0"); yAxis.setNumberFormatOverride(nf);//����y��� ֱٷȷ�ʽ��ʾ // ����y��ʾ��ʽ ����y��� һ���Զ�� �� � yAxis.setAutoTickUnitSelection(false);// �������� �ǩ�Ƿ��Զ�ȷ�� double rangetick = 5D; yAxis.setTickUnit(new NumberTickUnit(rangetick)); // y� λ���Ϊ0.1
LineAndShapeRenderer lineandshaperenderer = (LineAndShapeRenderer) categoryPlot .getRenderer(); lineandshaperenderer.setBaseShapesVisible(true); // series � ���� �ɼ� lineandshaperenderer.setBaseLinesVisible(true); // series � ���� ����l� ɼ�
// ��ʾ�۵���� lineandshaperenderer .setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); lineandshaperenderer.setBaseItemLabelsVisible(false);*/ String rateTitle = ""; JFreeChart chart2= ChartFactory.createLineChart(rateTitle, // � ���ڶı���) "", // x ����� "", // y ����� getLineDataset(), // ��� PlotOrientation.VERTICAL, // ��ʾ���� true, // ��ʾ �� true, false); // ���ñ���ɫ chart2.setBackgroundPaint(new Color(193, 193, 193)); CategoryPlot plot2 = chart2.getCategoryPlot();
����(�
// ��ȡ x ����� // ����������м �ֱ���ɫ�� plot2.setBackgroundPaint(new Color(233, 233, 233)); // x�� // ���������� �ɼ� plot2.setDomainGridlinesVisible(false); plot2.setDomainGridlinePaint(Color.WHITE);// ����ɫ�� // y�� //��������� �ɼ� plot2.setRangeGridlinesVisible(true); plot2.setRangeGridlinePaint(Color.BLACK);// ����ɫ�� CategoryAxis axis2 = plot2.getDomainAxis(); axis2.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // ���þ��� Ƭ�� ��� axis2.setLowerMargin(0.0); // ���þ��� Ƭ� ��� axis2.setUpperMargin(0.0); // ��ȡ y ����� NumberAxis numAxis2 = (NumberAxis) plot2.getRangeAxis(); // ����y����Сֵ // numAxis2.setLowerBound(0.00D); // ����Legend��λ�� ���λ��(Ĭ��λ���� �ε�����) // ((JFreeChart) // chart).getLegend().setPosition(RectangleEdge.RIGHT);
// ����y��ʾ��ʽ ����y��� һ���Զ�� �� � //numAxis2.setAutoTickUnitSelection(false);// �������� �ǩ�Ƿ��Զ�ȷ�� // // //
double rangetick = 0.05; numAxis2.setTickUnit(new NumberTickUnit(rangetick)); // y� λ���Ϊ0.1 NumberFormat nf2 = NumberFormat.getPercentInstance();
//
numAxis2.setNumberFormatOverride(nf2);// ����y��� ֱٷȷ�ʽ��ʾ
// ��ʾ�ֱ�ٷ NumberFormat nf22 = new DecimalFormat("00.00%"); numAxis2.setNumberFormatOverride(nf22);// ����y��� ֱٷȷ�ʽ��ʾ
// ����ʹ��������С��λ��Ϊ���� // numAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
// �Զ������������ �Χʱ�� �Χ����С���(δȷ��) //numAxis2.setAutoRangeMinimumSize(0.05d);; // void setTickUnit(NumberTickUnit unit)�������� �ǩ(δȷ��) // ����Ҫ��AutoTickUnitSelection��false�� // numAxis2.setTickUnit(new NumberTickUnit(5));
// numAxis2.setAutoTickUnitSelection(false); LineAndShapeRenderer lineandshaperenderer2 = (LineAndShapeRenderer) plot2 .getRenderer(); lineandshaperenderer2.setBaseShapesVisible(true); // series� ���� �ɼ� lineandshaperenderer2.setBaseLinesVisible(true); // series� ���� ����l� ɼ� // ��ʾ�۵���� lineandshaperenderer2 .setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); lineandshaperenderer2.setBaseItemLabelsVisible(false); // // // //
���õ�һ�������� �"���"Ϊ��ɫ�����һ�� ���ж������ ɷֱ����� lineandshaperenderer2.setSeriesFillPaint(0, new Color(193,193,193)); //�� lineandshaperenderer2.setUseFillPaint(true); //Ӧ��
ChartFrame frame = new ChartFrame("TestPieChart", chart2); frame.pack(); frame.setVisible(true); } private static DefaultCategoryDataset getLineDataset() throws UnsupportedEncodingException, Exception { boolean flag = true; DefaultCategoryDataset categoryDataset = new DefaultCategoryDataset(); // ȡ����� ���ֶ����ͣ���Ҫ�� String[] rate = { "java", "c++", "vb" }; String values = "0"; // ��ʼ������� if(flag){ for (int i = 0; i < rate.length; i++) { // ����ʱ���ʽ String datam = "000000";// ��ʽYYYYMM // ��ȡ�������� // �ȳ�ʼ��һ��ֵ // ȡ�õ�ǰ ������ String Type = rate[i]; // ��һ��:��ʼ������ ����� �����ݣÿ����0.0� D for (int h = 1; h <= 30; h++) { datam = "02"; String end = ""; if (h < 10) {
end = 0 + Integer.toString(h); } else { end = Integer.toString(h); } datam = datam + end; categoryDataset.addValue(Math.random(), rate[i], getDay(datam)); //���Ҫ��ʾ20% ���������Ϊ0.2 //categoryDataset.addValue(22.22d,rate[i],getDay(datam)); } } } return categoryDataset; } // X��ʱ��IJ��� ��:���ַ�"20090103"��תΪ"1��03��"���ַ� private static String getDay(String dayStr) { // ���Ϊ� �� ��Ȳ�����8λ��ֱ�ӷ��� if ("".equals(dayStr)) { return dayStr; } else if (8 != dayStr.length()) { return dayStr; } else { String month = dayStr.substring(4, 6); if (month.startsWith("0")) { month = month.substring(1, 2); } month = month + "��"; String date = dayStr.substring(6, 8) + "��"; String day = month + date; return day; } } // �������ַ���תΪdouble���� private static double getDouble(String valueStr) { if (valueStr.endsWith("%")) { valueStr = valueStr.substring(0, valueStr.length() - 1);
}
// System.out.println("� �;)"��ת } if ("".equals(valueStr)) { return 0.0d; } if (null == valueStr) { return 0.0d; } double value = Double.parseDouble(valueStr); return value;
private double getNumber(String valueStr) { if (valueStr.endsWith("%")) { valueStr = valueStr.substring(0, valueStr.length() - 1);
// System.out.println("� �;)"��ת } if ("".equals(valueStr)) { return 0; } if (null == valueStr) { return 0; } }
return Integer.parseInt(valueStr); public static void main(String[] args) throws IOException, Exception { createLineChart(); }
}
import java.text.SimpleDateFormat; import import import import import import import import import import import import import
org.jfree.chart.ChartFactory; org.jfree.chart.ChartPanel; org.jfree.chart.JFreeChart; org.jfree.chart.axis.DateAxis; org.jfree.chart.axis.DateTickUnit; org.jfree.chart.plot.XYPlot; org.jfree.chart.renderer.StandardXYItemRenderer; org.jfree.data.XYDataset; org.jfree.data.time.Month; org.jfree.data.time.TimeSeries; org.jfree.data.time.TimeSeriesCollection; org.jfree.ui.ApplicationFrame; org.jfree.ui.RefineryUtilities;
/** * A time series demo, with monthly data, where the tick unit on the axis is set to * one month also (this switches off the auto tick unit selection, and *can* result in * overlapping labels). * * @author David Gilbert */ public class TimeSeriesDemo3 extends ApplicationFrame { /** * A demonstration application showing a quarterly time series containing a null value. * * @param title the frame title. */ public TimeSeriesDemo3(String title) {
super(title); TimeSeries series1 = new TimeSeries("Series 1", Month.class); series1.add(new Month(1, 2002), 500.2); series1.add(new Month(2, 2002), 694.1); series1.add(new Month(3, 2002), 734.4); series1.add(new Month(4, 2002), 453.2); series1.add(new Month(5, 2002), 500.2); series1.add(new Month(6, 2002), 345.6); series1.add(new Month(7, 2002), 500.2); series1.add(new Month(8, 2002), 694.1); series1.add(new Month(9, 2002), 734.4); series1.add(new Month(10, 2002), 453.2); series1.add(new Month(11, 2002), 500.2); series1.add(new Month(12, 2002), 345.6); TimeSeries series2 = new TimeSeries("Series 2", Month.class); series2.add(new Month(1, 2002), 234.1); series2.add(new Month(2, 2002), 623.7); series2.add(new Month(3, 2002), 642.5); series2.add(new Month(4, 2002), 651.4); series2.add(new Month(5, 2002), 643.5); series2.add(new Month(6, 2002), 785.6); series2.add(new Month(7, 2002), 234.1); series2.add(new Month(8, 2002), 623.7); series2.add(new Month(9, 2002), 642.5); series2.add(new Month(10, 2002), 651.4); series2.add(new Month(11, 2002), 643.5); series2.add(new Month(12, 2002), 785.6); TimeSeriesCollection dataset = new TimeSeriesCollection(); dataset.addSeries(series1); dataset.addSeries(series2); JFreeChart chart = createChart(dataset); ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } // **************************************************************************** // * JFREECHART DEVELOPER GUIDE * // * The JFreeChart Developer Guide, written by David Gilbert, is available * // * to purchase from Object Refinery Limited: * // * * // * http://www.object-refinery.com/jfreechart/guide.html * // * * // * Sales are used to provide funding for the JFreeChart project - please
* *
// * support us so that we can continue developing free software.
// **************************************************************************** /** * Creates a new chart. * * @param dataset the dataset. * * @return The dataset. */ private JFreeChart createChart(XYDataset dataset) { JFreeChart chart = ChartFactory.createTimeSeriesChart( "Time Series Demo 3", "Time", "Value", dataset, true, true, false ); XYPlot plot = chart.getXYPlot(); DateAxis axis = (DateAxis) plot.getDomainAxis(); axis.setTickUnit(new DateTickUnit(DateTickUnit.MONTH, 1, new SimpleDateFormat("MMM-yyyy"))); axis.setVerticalTickLabels(true); StandardXYItemRenderer renderer = (StandardXYItemRenderer) plot.getRenderer(); renderer.setPlotShapes(true); renderer.setSeriesShapesFilled(0, Boolean.TRUE); renderer.setSeriesShapesFilled(1, Boolean.FALSE); }
return chart;
/** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(String[] args) { TimeSeriesDemo3 demo = new TimeSeriesDemo3("Time Series Demo 3"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }
import java.io.File; import java.text.SimpleDateFormat; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartFrame; import org.jfree.chart.ChartUtilities; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.DateAxis; import org.jfree.chart.plot.XYPlot; import org.jfree.data.time.Day; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; public class TimeSeriesExample { public static void main(String[] args) { // ������һ��ʱ���� TimeSeries pop1 = new TimeSeries("Population1", Day.class); pop1.add(new Day(10, 1, 2004), 100); pop1.add(new Day(10, 2, 2004), 150); pop1.add(new Day(10, 3, 2004), 250); pop1.add(new Day(10, 4, 2004), 275); pop1.add(new Day(10, 5, 2004), 325); pop1.add(new Day(10, 6, 2004), 425); // ����һ��ʱ� � TimeSeriesCollection dataset = new TimeSeriesCollection(); dataset.addSeries(pop1); dataset.addSeries(pop2); // ����ʱ�� // JFreeChart chart = ChartFactory.createTimeSeriesChart("����"��"x���"־,"y��� "־,"�������",� ���ʾ ��,� ������ʾ,� ����ñ����ŵ�ַ); JFreeChart chart = ChartFactory.createTimeSeriesChart("� � ͳ ��ʱ�� ","Date","Population",dataset,true,true,false); try{ // ���� ����ʾ��� ChartFrame cf = new ChartFrame("ʱ�� ",chart); cf.pack();
// ���� Ƭ��С cf.setSize(500,300); // ���� �οɼ� cf.setVisible(true); // // ���� Ƭ��ָ���ļ��� // //ChartUtilities.saveChartAsJPEG(new File("C:\\TimeSeriesChart1.jpg"), chart, 500, 300); } catch (Exception e){ System.err.println("Problem occurred creating chart."); } } }
XYPlot plot = (XYPlot) chart.getPlot(); DateAxis axis = (DateAxis) plot.getDomainAxis(); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM"); axis.setDateFormatOverride(format);//����x���� �λ� �����·�ʽ��ʾ MM-dd-yyyy Math.random()*100;(���100�Ļ�д�� XYLineAndShapeRenderer xylinerenderer=(XYLineAndShapeRenderer)xyplot.getRenderer(); XYBarRenderer BarRender=new XYBarRenderer(); plot.setRenderer(BarRender);
CategoryPlot plot=chart.getCategoryPlot(); plot.setBackgroundPaint(Color.WHITE); plot.setRangeGridlinePaint(Color.BLUE);//����������ɫ plot.setDomainGridlinePaint(Color.BLACK);//����������ɫ plot.setDomainGridlinesVisible(true);//��ʾ�������� plot.setRangeGridlinesVisible(true);//��ʾ�������� LineAndShapeRenderer renderer = (LineAndShapeRenderer)plot.getRenderer(); DecimalFormat decimalformat1 = new DecimalFormat("##.##");//�� ���ʾ���ֵ�ĸ�ʽ renderer.setItemLabelGenerator(new StandardCategoryItemLabelGenerator("{2}", decimalformat1)); //�������������������ǩ������� renderer.setItemLabelsVisible(true);//�������ǩ��ʾ renderer.setBaseItemLabelsVisible(true);//�����ǩ��ʾ
//�����⼸��;����� ���趨�ĸ�ʽ��ʾ���ֵ renderer.setShapesFilled(Boolean.TRUE);//���� ���ʾʵ�ĵ�С �� renderer.setShapesVisible(true);//������ʾС ��
XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)plot.getRenderer(); xylineandshaperenderer.setBaseShapesVisible(true);//��������� ���ʾ�� �
xylineandshaperenderer.setShape(new CurveCircle( -1.0d, -1.0d, 2.0d)); RECTANGLE_SHAPE Ellipse2D.Double(double x, double y, double w, double h) new Font("SansSerif", Font.BOLD, 16);
xylineandshaperenderer.setSeriesFillPaint(0, Color.red);
//���õ�һ��������
����Ϊ��ɫ�����һ�� ���ж������ ɷֱ����� xylineandshaperenderer.setUseFillPaint(true); //x���ϵĿ̶ȵ������ʱ������ʱ��� timeseriescollection.setDomainIsPointsInTime(true); //�����������b DateAxis dateaxis = (DateAxis)xyplot.getDomainAxis(); dateaxis.setTickUnit(new DateTickUnit(1, 1, new SimpleDateFormat("MMMyyyy"))); dateaxis.setVerticalTickLabels(true); //����ʱ����Ϊһ�� dateaxis.setTickUnit(new DateTickUnit(DateTickUnit.DAY,1));//����ʱ����Ϊһ��
TextTitle� void setFont(Font font)�������� void setPaint(Paint paint)����������ɫ void setText(String text)��������
void setItemLabelAnchorOffset(double offset)�� �ǩ������ ��ƫ��
void setItemLabelAnchorOffset(double offset)�� �ǩ������ ��ƫ�� void setItemLabelsVisible(boolean visible)�� �ǩ�Ƿ�ɼ� void setItemLabelFont(Font font)�� �ǩ������ void setItemLabelPaint(Paint paint)�� �ǩ��������ɫ void setItemLabelPosition(ItemLabelPosition position)�� �ǩλ�� void setPositiveItemLabelPosition(ItemLabelPosition position)�����ǩλ�� void setNegativeItemLabelPosition(ItemLabelPosition position)�����ǩλ�� void setOutLinePaint(Paint paint) �α ��������ɫ void setOutLineStroke(Stroke stroke) �α ������ʴ� void setPaint(Paint paint)���з��� �ε���ɫ void setShape(Shape shape)���з��� �ε���� ��������״ĵ void setStroke(Stroke stroke)���з��� �εıʴ��������� ��� � void setSeriesItemLabelsVisible(int series,boolean visible)ָ��������� �ǩ�Ƿ�ɼ� void setSeriesItemLabelFont(int series,Font font)ָ��������� �ǩ������ void setSeriesItemLabelPaint(int series,Paint paint)ָ��������� �ǩ��������ɫ void setSeriesItemLabelPosition(int series,ItemLabelPosition position)�� �ǩλ�� void setSeriesPositiveItemLabelPosition(int series,ItemLabelPosition position)�����ǩλ�� void setSeriesNegativeItemLabelPosition(int series,ItemLabelPosition position)�����ǩλ�� void setSeriesOutLinePaint(int series,Paint paint)ָ������� �α ��������ɫ void setSeriesOutLineStroke(int series,Stroke stroke)ָ������� �α ������ʴ� void setSeriesPaint(int series,Paint paint)ָ������ �ε���ɫ void setSeriesShape(int series,Shape shape)ָ������ �ε���� ��������״ĵ void setSeriesStroke(int series,Stroke stroke)ָ������ �εıʴ��������� ��� � AbstractCategoryItemRenderer(AbstractRenderer)� void setLabelGenerator(CategoryLabelGenerator generator)�� �ǩ�ĸ�ʽ void setToolTipGenerator(CategoryToolTipGenerator generator)MAP��������ϵ���ʾ��ʽ void setItemURLGenerator(CategoryURLGenerator generator)MAP����ȡt�Ӹ�ʽ void setSeriesLabelGenerator(int series,CategoryLabelGenerator generator)ָ��������� �ǩ�ĸ�ʽ
void setSeriesToolTipGenerator(int series,CategoryToolTipGenerator generator)ָ �������MAP��������ϵ���ʾ��ʽ void setSeriesItemURLGenerator(int series,CategoryURLGenerator generator)ָ �������MAP����ȡt�Ӹ�ʽ
StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00") new StandardXYToolTipGenerator( StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00") )
xyplot.setBackgroundPaint(Color.lightGray); //�趨 �������ʾ���ֱ���ɫ xyplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D)); //�趨������� �������ʾ��� ���־ xyplot.setDomainGridlinePaint(Color.white); //�����������ɫ xyplot.setRangeGridlinePaint(Color.white); //���� �����ɫ
NumberAxis numAxis = (NumberAxis)xyplot.getRangeAxis(); DateAxis dateaxis = (DateAxis)xyplot.getDomainAxis(); Axis� void setVisible(boolean flag)������ �ɼ� void setAxisLinePaint(Paint paint)�����������ɫ��3D����Ч�� void setAxisLineStroke(Stroke stroke)���������ʴ���3D����Ч�� void setAxisLineVisible(boolean visible)���������� �ɼ�3D����Ч�� void void void void
setFixedDimension(double dimension)�������ڸϱ��жԶ����������ã� setLabel(String label)�������� setLabelFont(Font font)������������ setLabelPaint(Paint paint)����������ɫ
void setLabelAngle(double angle)`�����������תǶȣ�������������ת
void setTickLabelFont(Font font)�������ֵ���� void setTickLabelPaint(Paint paint)�������ֵ��ɫ void setTickLabelsVisible(boolean flag)�������ֵ� ���ʾ void setTickMarkPaint(Paint paint)���������ɫ void setTickMarkStroke(Stroke stroke)������ ʴ� void setTickMarksVisible(boolean flag)�������� ���ʾ ValueAxis(Axis)� void setAutoRange(boolean auto)�Զ������������ �Χ void setAutoRangeMinimumSize(double size)�Զ������������ �Χʱ�� �Χ����С��� void setAutoTickUnitSelection(boolean flag)�������� �ǩ�Ƿ��Զ�ȷ����Ĭ��Ϊtrue�� void setFixedAutoRange(double length)�����̶��� �Χ������100�Ļ�������ʾMAXVALUE��MAXVALUE-100�Ƕ��� �Χ�� void setInverted(boolean flag)������ ���Ĭ��Ϊfalse�� void setLowerMargin(double margin)������£��
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void setUpperMargin(double margin)������ ��ң�� � void setLowerBound(double min)������ϵ���ʾ��Сֵ void setUpperBound(double max)������ϵ���ʾ���ֵ void setPositiveArrowVisible(boolean visible)� ���ʾ����� ��3D����Ч�� void setNegativeArrowVisible(boolean visible)� ���ʾ����� ��3D����Ч�� void setVerticalTickLabels(boolean flag)������� �ǩ�Ƿ���ֱ����ת void setStandardTickUnits(TickUnitSource source)�������� �ǩ������ֻ��ʾ�����ǩ����Ҫ��AutoTickUnitSelection��false�� NumberAxis(ValueAxis)� void setAutoRangeIncludesZero(boolean flag)�Ƿ�ǿ�����Զ�ѡ����� �Χ�а�0 void setAutoRangeStickyZero(boolean flag)� �ǿ�������������а�0����ʹ0������ �Χ�� void setNumberFormatOverride(NumberFormat formatter)������� �ǩ����ʾ��ʽ void setTickUnit(NumberTickUnit unit)�������� �ǩ����Ҫ��AutoTickUnitSelection��false�� DateAxis(ValueAxis)� void setMaximumDate(Date maximumDate)�������ϵ���С���� void setMinimumDate(Date minimumDate)�������ϵ�������� void setRange(Date lower,Date upper)����� Χ void setDateFormatOverride(DateFormat formatter)����������ڱǩ����ʾ��ʽ void setTickUnit(DateTickUnit unit)���������� �ڱǩ����Ҫ��AutoTickUnitSelection��false�� void setTickMarkPosition(DateTickMarkPosition position)��� �ڱǩλ�ã�������org.jfree.chart.axis.DateTickMarkPosition���ж��壩
CategoryAxis(Axis)� void setCategoryMargin(double margin)������ � void setLowerMargin(double margin)�������£��
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void setUpperMargin(double margin)������� ��ң�� � void setVerticalCategoryLabels(boolean flag)���������� ���ֱ����ת void setMaxCategoryLabelWidthRatio(float ratio)����������ǩ�������
void setDataset(PieDataset dataset) ������1ά�� � void setIgnoreNullValues(boolean flag) ������ֵ�ķ��� void setCircular(boolean flag) �� � �һ������ void setStartAngle(double angle) �� �ij�ʼ�Ƕ� void setDirection(Rotation direction) �� ��������ת void setExplodePercent(int section,double percent) ��ȡ���ǿ 飨 1ά�� �ķ����± �Լ���ȡ��4�ľ��루 0.0��1.0����3D�� ��Ч void setLabelBackgroundPaint(Paint paint) �����ǩ�ĵ�ɫ void setLabelFont(Font font) �����ǩ������ void setLabelPaint(Paint paint) �����ǩ��������ɫ void setLabelLinkMargin(double margin) �����ǩ��ͼ��l��� � void setLabelLinkPaint(Paint paint) �����ǩ��ͼ��l������ɫ void setLabelLinkStroke(Stroke stroke) �����ǩ��ͼ��l��� ʴ� void setLabelOutlinePaint(Paint paint) �����ǩ� ���ɫ void void void void
setLabelOutlineStroke(Paint paint) �����ǩ� �ʴ� setLabelShadowPaint(Paint paint) �����ǩ��Ӱ��ɫ setMaximumLabelWidth(double width) �����ǩ���� ȣ�0.0��1.0�� setPieIndex(int index) ��ͼ������ϱ�ͼ���õ���
void setSectionOutlinePaint(int section,Paint paint) ָ�������ı ���ɫ void setSectionOutlineStroke(int section,Stroke stroke) ָ�������ı �ʴ� void setSectionPaint(int section,Paint paint) ָ����������ɫ void setShadowPaint(Paint paint) �� ����Ӱ��ɫ
void setShadowXOffset(double offset) �� ����Ӱ��� �� ƽƫ�� void setShadowYOffset(double offset) �� ����Ӱ��� �Ĵ�ֱƫ�� void setLabelGenerator(PieSectionLabelGenerator generator) �����ǩ�ĸ�ʽ�����ó�null������ǩ��(l��� �����ʾ void setToolTipGenerator(PieToolTipGenerator generator) MAP��������ϵ���ʾ��ʽ void setURLGenerator(PieURLGenerator generator) MAP����ȡt�Ӹ�ʽ //ʹ���ĺ��ֱ����� jfreechart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingH ints.VALUE_TEXT_ANTIALIAS_OFF);
final Rotator rotator = new Rotator(plot); rotator.start(); class Rotator extends Timer implements ActionListener { /** The plot. */ private PiePlot3D plot; /** The angle. */ private int angle = 270; /** * Constructor. * * @param plot the plot. */ Rotator(final PiePlot3D plot) { super(100, null); this.plot = plot; addActionListener(this); } /** * Modifies the starting angle. * * @param event the action event. */ public void actionPerformed(final ActionEvent event) { this.plot.setStartAngle(this.angle); this.angle = this.angle + 1; if (this.angle == 360) { this.angle = 0; } } }
import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.Timer; import import import import import import import import
org.jfree.chart.ChartFactory; org.jfree.chart.ChartPanel; org.jfree.chart.JFreeChart; org.jfree.chart.plot.PiePlot3D; org.jfree.data.general.DefaultPieDataset; org.jfree.ui.ApplicationFrame; org.jfree.ui.RefineryUtilities; org.jfree.util.Rotation;
/** * A rotating 3D pie chart. * */ public class PieChart3DDemo2 extends ApplicationFrame { /** * Creates a new demo. * * @param title the frame title. */ public PieChart3DDemo2(final String title) { super(title); // create a dataset... final DefaultPieDataset data = new DefaultPieDataset(); data.setValue("Java", new Double(43.2)); data.setValue("Visual Basic", new Double(10.0)); data.setValue("C/C++", new Double(17.5)); data.setValue("PHP", new Double(32.5)); data.setValue("Perl", new Double(12.5)); // create the chart... final JFreeChart chart = ChartFactory.createPieChart3D( "Pie Chart 3D Demo 2", // chart title data, // data true, // include legend true, false ); chart.setBackgroundPaint(Color.yellow); final PiePlot3D plot = (PiePlot3D) chart.getPlot(); plot.setStartAngle(270); plot.setDirection(Rotation.ANTICLOCKWISE); plot.setForegroundAlpha(0.60f); plot.setInteriorGap(0.33); // add the chart to a panel...
final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); final Rotator rotator = new Rotator(plot); rotator.start(); } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final PieChart3DDemo2 demo = new PieChart3DDemo2("Pie Chart 3D Demo 2"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } } // // // // // // // // // //
**************************************************************************** * JFREECHART DEVELOPER GUIDE * * The JFreeChart Developer Guide, written by David Gilbert, is available * * to purchase from Object Refinery Limited: * * * * http://www.object-refinery.com/jfreechart/guide.html * * * * Sales are used to provide funding for the JFreeChart project - please * * support us so that we can continue developing free software. * ****************************************************************************
/** * The rotator. * */ class Rotator extends Timer implements ActionListener { /** The plot. */ private PiePlot3D plot; /** The angle. */ private int angle = 270; /** * Constructor. * * @param plot the plot. */ Rotator(final PiePlot3D plot) { super(100, null); this.plot = plot; addActionListener(this); }
/** * Modifies the starting angle. * * @param event the action event. */ public void actionPerformed(final ActionEvent event) { this.plot.setStartAngle(this.angle); this.angle = this.angle + 1; if (this.angle == 360) { this.angle = 0; } } }
//renderer.setLabelGenerator(new StandardCategoryLabelGenerator()); renderer.setLabelGenerator(new StandardCategoryLabelGenerator("{2}",java.text.NumberFormat.getPercentInstance())) ; renderer.setItemLabelsVisible(true); renderer.setItemLabelFont(new java.awt.Font("����", Font.TRUETYPE_FONT, 20)); renderer.setSeriesLabelGenerator(0,new StandardCategoryLabelGenerator("##%",java.text.NumberFormat.getPercentInstance())) ; plot.setRenderer(renderer);
DecimalFormat df = new DecimalFormat("0.00%"); custombarrenderer3d.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator("{2}", df));
org.jfree.chart.ChartPanel; org.jfree.chart.JFreeChart; org.jfree.chart.axis.NumberAxis; org.jfree.chart.plot.FastScatterPlot; org.jfree.ui.ApplicationFrame; org.jfree.ui.RefineryUtilities;
/** * A demo of the fast scatter plot. * */ public class FastScatterPlotDemo extends ApplicationFrame { /** A constant for the number of items in the sample dataset. */ private static final int COUNT = 500000; /** The data. */ private float[][] data = new float[2][COUNT]; /** * Creates a new fast scatter plot demo. * * @param title the frame title. */ public FastScatterPlotDemo(final String title) { super(title); populateData(); final NumberAxis domainAxis = new NumberAxis("X"); domainAxis.setAutoRangeIncludesZero(false); final NumberAxis rangeAxis = new NumberAxis("Y"); rangeAxis.setAutoRangeIncludesZero(false); final FastScatterPlot plot = new FastScatterPlot(this.data, domainAxis, rangeAxis); final JFreeChart chart = new JFreeChart("Fast Scatter Plot", plot); // chart.setLegend(null); // force aliasing of the rendered content.. chart.getRenderingHints().put (RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
//
//
final ChartPanel panel = new ChartPanel(chart, true); panel.setPreferredSize(new java.awt.Dimension(500, 270)); panel.setHorizontalZoom(true); panel.setVerticalZoom(true); panel.setMinimumDrawHeight(10); panel.setMaximumDrawHeight(2000); panel.setMinimumDrawWidth(20); panel.setMaximumDrawWidth(2000); setContentPane(panel);
} // ****************************************************************************
// * JFREECHART DEVELOPER GUIDE * * * * * * *
// * The JFreeChart Developer Guide, written by David Gilbert, is available // * to purchase from Object Refinery Limited: // * // * http://www.object-refinery.com/jfreechart/guide.html // * // * Sales are used to provide funding for the JFreeChart project - please // * support us so that we can continue developing free software.
*
// **************************************************************************** /** * Populates the data array with random values. */ private void populateData() { for (int i = 0; i < final float x = this.data[0][i] this.data[1][i] }
this.data[0].length; i++) { (float) i + 100000; = x; = 100000 + (float) Math.random() * COUNT;
} /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final FastScatterPlotDemo demo = new FastScatterPlotDemo("Fast Scatter Plot Demo"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }
import import import import import import import import import import
java.awt.Dimension; javax.swing.JPanel; org.jfree.chart.*; org.jfree.chart.axis.NumberAxis; org.jfree.chart.plot.PlotOrientation; org.jfree.chart.plot.XYPlot; org.jfree.chart.renderer.xy.XYDotRenderer; org.jfree.data.xy.XYDataset; org.jfree.ui.ApplicationFrame; org.jfree.ui.RefineryUtilities;
// Referenced classes of package demo: // SampleXYDataset2 public class ScatterPlotDemo2 extends ApplicationFrame { public ScatterPlotDemo2(String s) { super(s); JPanel jpanel = createDemoPanel(); jpanel.setPreferredSize(new Dimension(500, 270)); setContentPane(jpanel); } private static JFreeChart createChart(XYDataset xydataset) { JFreeChart jfreechart = ChartFactory.createScatterPlot("Scatter Plot Demo 2", "X", "Y", xydataset, PlotOrientation.VERTICAL, true, true, false); XYPlot xyplot = (XYPlot)jfreechart.getPlot(); XYDotRenderer xydotrenderer = new XYDotRenderer(); xydotrenderer.setDotWidth(2); xydotrenderer.setDotHeight(2); xyplot.setRenderer(xydotrenderer); NumberAxis numberaxis = (NumberAxis)xyplot.getDomainAxis(); numberaxis.setAutoRangeIncludesZero(false); return jfreechart; } public static JPanel createDemoPanel() { JFreeChart jfreechart = createChart(new SampleXYDataset2()); ChartPanel chartpanel = new ChartPanel(jfreechart); chartpanel.setVerticalAxisTrace(true); chartpanel.setHorizontalAxisTrace(true); chartpanel.setPopupMenu(null); chartpanel.setDomainZoomable(true); chartpanel.setRangeZoomable(true); return chartpanel; } public static void main(String args[]) { ScatterPlotDemo2 scatterplotdemo2 = new ScatterPlotDemo2("Scatter Plot
Demo 2"); scatterplotdemo2.pack(); RefineryUtilities.centerFrameOnScreen(scatterplotdemo2); scatterplotdemo2.setVisible(true); } }
public ScatterPlotDemo(String title) { super(title); XYSeriesCollection dataset = new XYSeriesCollection(); XYSeries series1 = new XYSeries("Series 1"); series1.add(1.0, 4.5); series1.add(4.4, 3.2); dataset.addSeries(series1); XYSeries series2 = new XYSeries("Series 2"); series2.add(3.2, 8.5); series2.add(4.9, 3.7); dataset.addSeries(series2);
XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)plot.getRenderer();
XYItemRenderer xyitem = plot.getRenderer(); xyitem.setBaseItemLabelsVisible(true); xyitem.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT)); xyitem.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator()); xyitem.setBaseItemLabelFont(new Font("Dialog", 1, 14)); plot.setRenderer(xyitem);
<%@ page contentType="text/html;charset=GBK"%> <%@ page import = "org.jfree.chart.ChartFactory, org.jfree.chart.JFreeChart, org.jfree.chart.servlet.ServletUtilities, org.jfree.chart.title.TextTitle, org.jfree.data.time.TimeSeries, org.jfree.data.time.Month, org.jfree.data.time.TimeSeriesCollection, java.awt.Font"%>
<% //����ͳ��ʱ���� TimeSeries timeSeries = new TimeSeries("���۹�blog����ͳ��", Month.class); //ʱ�������� ��� TimeSeriesCollection lineDataset = new TimeSeriesCollection(); //������ ��� timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new timeSeries.add(new
Month(1, 2007), 11200); Month(2, 2007), 9000); Month(3, 2007), 6200); Month(4, 2007), 8200); Month(5, 2007), 8200); Month(6, 2007), 12200); Month(7, 2007), 13200); Month(8, 2007), 8300); Month(9, 2007), 12400); Month(10, 2007), 12500); Month(11, 2007), 13600); Month(12, 2007), 12500);
lineDataset.addSeries(timeSeries); JFreeChart chart = ChartFactory.createTimeSeriesChart("����ͳ��ʱ����", "�·�", "����", lineDataset, true, true, true); //�����ӱ��� TextTitle subtitle = new TextTitle("2007���", new Font("����", Font.BOLD, 12)); chart.addSubtitle(subtitle); //��������� chart.setTitle(new TextTitle("���۹�blog����ͳ��", new Font("e��", Font.ITALIC, 15))); chart.setAntiAlias(true); String filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, null, session); String graphURL = request.getContextPath() + "/DisplayChart?filename=" + filename; %>
��ʱ������Ҫ��ʾ���� ����ֵ������������Ҫ���������һ��Ķ�����JFreeChart chart = ChartFactory.createTimeSeriesChart������TextTitle subtitle = new TextTitle����ǰ�������µĴ��룺 XYPlot plot = (XYPlot) chart.getPlot(); XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)plot.getRenderer(); //������ ���ɫ
plot.setBackgroundPaint(Color.white); //�������������ɫ plot.setDomainGridlinePaint(Color.pink); //������������ɫ plot.setRangeGridlinePaint(Color.pink); //�������� ��xy��ľ��� plot.setAxisOffset(new RectangleInsets(0D, 0D, 0D, 10D)); //��������� ���ʾ�� � xylineandshaperenderer.setBaseShapesVisible(true); //����������ʾ���� ��ֵ XYItemRenderer xyitem = plot.getRenderer(); xyitem.setBaseItemLabelsVisible(true); xyitem.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT)); xyitem.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator()); xyitem.setBaseItemLabelFont(new Font("Dialog", 1, 14)); plot.setRenderer(xyitem);
import java.awt.BasicStroke; import java.awt.Color; import java.awt.Dimension; 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.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; public class LineChartDemo1 extends ApplicationFrame { public LineChartDemo1(final String title) { super(title); final CategoryDataset dataset = createDataset(); final JFreeChart chart = createChart(dataset); final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new Dimension(500, 270)); setContentPane(chartPanel); } public static CategoryDataset createDataset() { final String series1 = "First"; final String series2 = "Second"; final String series3 = "Third"; final String type1 = "Type 1";
final final final final final final final final
String type2 = "Type 2"; String type3 = "Type 3"; String type4 = "Type 4"; String type5 = "Type 5"; String type6 = "Type 6"; String type7 = "Type 7"; String type8 = "Type 8"; DefaultCategoryDataset dataset
=
new
DefaultCategoryDataset();
dataset.addValue(1.0, series1, type1); dataset.addValue(4.0, series1, type2); dataset.addValue(3.0, series1, type3); dataset.addValue(5.0, series1, type4); dataset.addValue(5.0, series1, type5); dataset.addValue(7.0, series1, type6); dataset.addValue(7.0, series1, type7); dataset.addValue(8.0, series1, type8); dataset.addValue(5.0, series2, type1); dataset.addValue(7.0, series2, type2); dataset.addValue(6.0, series2, type3); dataset.addValue(8.0, series2, type4); dataset.addValue(4.0, series2, type5); dataset.addValue(4.0, series2, type6); dataset.addValue(2.0, series2, type7); dataset.addValue(1.0, series2, type8); dataset.addValue(4.0, series3, type1); dataset.addValue(3.0, series3, type2); dataset.addValue(2.0, series3, type3); dataset.addValue(3.0, series3, type4); dataset.addValue(6.0, series3, type5); dataset.addValue(3.0, series3, type6); dataset.addValue(4.0, series3, type7); dataset.addValue(3.0, series3, type8); return dataset; } private JFreeChart createChart(final CategoryDataset dataset) { final JFreeChart chart = ChartFactory.createLineChart( "Line Chart Demo 1", // chart title "Type", // domain axis label "Value", // range axis label dataset, // data PlotOrientation.VERTICAL, // orientation true, // include legend true, // tooltips false // urls ); chart.setBackgroundPaint(Color.white); final CategoryPlot plot = (CategoryPlot) chart.getPlot(); plot.setBackgroundPaint(Color.lightGray); plot.setRangeGridlinePaint(Color.white); final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); rangeAxis.setAutoRangeIncludesZero(true); final LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot .getRenderer(); renderer.setShapesFilled(false); renderer.setUseFillPaint(false);
renderer.setSeriesStroke(0, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 10.0f, 6.0f }, 0.0f)); renderer.setSeriesStroke(1, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 6.0f, 6.0f }, 0.0f)); renderer.setSeriesStroke(2, new BasicStroke(2.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 1.0f, new float[] { 2.0f, 6.0f }, 0.0f)); return chart; } public static void main(final String[] args) { final LineChartDemo1 demo = new LineChartDemo1("Line
Chart
Demo");
demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }
plot.getDomainAxis().setVisible(true); plot.getDomainAxis().setLabelFont(new Font("����", Font.PLAIN, 12)); plot.getDomainAxis().setLabelPaint(Color.BLACK); plot.getDomainAxis().setTickLabelFont(new Font("����", Font.PLAIN, 12)); plot.getDomainAxis().setTickLabelPaint(Color.BLACK); plot.getDomainAxis().setTickLabelsVisible(true); plot.getRangeAxis().setVisible(true); plot.getRangeAxis().setLabelFont(new Font("����", Font.PLAIN, 12)); plot.getRangeAxis().setLabelPaint(Color.BLACK); plot.getRangeAxis().setTickLabelFont(new Font("����", Font.PLAIN, 12)); plot.getRangeAxis().setTickLabelPaint(Color.BLACK); plot.getRangeAxis().setVerticalTickLabels(false); plot.getRangeAxis().setLabelAngle(0.0D); plot.setDomainGridlinesVisible(true); plot.setRangeGridlinesVisible(true); ���³��http://www.diybl.com/course/3_program/java/javashl/20071126/87642.html
import import import import import import import import
org.jfree.chart.ChartFactory; org.jfree.chart.ChartPanel; org.jfree.chart.JFreeChart; org.jfree.chart.plot.PlotOrientation; org.jfree.data.xy.XYSeries; org.jfree.data.xy.XYSeriesCollection; org.jfree.ui.ApplicationFrame; org.jfree.ui.RefineryUtilities;
public class ScatterPlotDemo extends ApplicationFrame { public ScatterPlotDemo(String title) { super(title); XYSeriesCollection dataset = new XYSeriesCollection(); XYSeries series1 = new XYSeries("Series 1"); series1.add(1.0, 4.5); series1.add(4.4, 3.2); dataset.addSeries(series1); XYSeries series2 = new XYSeries("Series 2"); series2.add(3.2, 8.5); series2.add(4.9, 3.7); dataset.addSeries(series2); JFreeChart chart = ChartFactory.createScatterPlot( "Scatter Plot Demo", // title "X", "Y", // axis labels dataset, // dataset PlotOrientation.VERTICAL, true, // legend? yes true, // tooltips? yes false // URLs? no ); ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } public static void main(String[] args) {
ScatterPlotDemo demo = new ScatterPlotDemo("Scatter Plot Demo"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }
NumberAxis numAxis = (NumberAxis)xyplot.getRangeAxis(); DateAxis dateaxis = (DateAxis)xyplot.getDomainAxis(); //����y��ʾ��ʽ numAxis.setAutoTickUnitSelection(false);//�������� �ǩ�Ƿ��Զ�ȷ�� double rangetick = 0.1D; numAxis.setTickUnit(new NumberTickUnit(rangetick)); //y� λ���Ϊ0.1
DateAxis dateaxis = (DateAxis)xyplot.getDomainAxis(); dateaxis.setTickUnit(new DateTickUnit(1, 1, new SimpleDateFormat("MMMyyyy"))); dateaxis.setVerticalTickLabels(true);
XYSeries xyseries = new XYSeries("allyes"); //�Ȳ���XYSeries ���� xyseries.add(20070801, 220000); xyseries.add(20070802, 210000); xyseries.add(20070803, 250000D); xyseries.add(20070804, 450000D); xyseries.add(20070805, 270000D); xyseries.add(20070806, 280000D);
xyseries.add(20070807, 290000D); xyseries.add(20070808, 500000D); XYSeries xyseries1 = new XYSeries("direct"); xyseries1.add(20070801, 230000D); xyseries1.add(20070802, 240000D); xyseries1.add(20070803, 250000D); xyseries1.add(20070804, 260000D); xyseries1.add(20070805, 270000D); xyseries1.add(20070806, 480000D); xyseries1.add(20070807, 290000D); xyseries1.add(20070808, 250000D); XYSeries xyseries2 = new XYSeries("iplus"); xyseries2.add(20070801, 240000D); xyseries2.add(20070802, 280000D); xyseries2.add(20070803, 270000D); xyseries2.add(20070804, 290000D); xyseries2.add(20070805, 230000D); xyseries2.add(20070806, 310000D); xyseries2.add(20070807, 400000D); xyseries2.add(20070808, 220000D); XYSeriesCollection xyseriescollection = new XYSeriesCollection(); //����XYSeriesCollection�����XYSeries ���� xyseriescollection.addSeries(xyseries); xyseriescollection.addSeries(xyseries1); xyseriescollection.addSeries(xyseries2);
import import import import import import import import
org.jfree.chart.ChartFrame; org.jfree.chart.JFreeChart; java.awt.Color; java.awt.Font; java.io.IOException; java.io.UnsupportedEncodingException; java.text.DecimalFormat; java.text.NumberFormat;
import org.jfree.chart.ChartFactory;
import import import import import import import import import
org.jfree.chart.axis.CategoryAxis; org.jfree.chart.axis.CategoryLabelPositions; org.jfree.chart.axis.NumberAxis; org.jfree.chart.axis.NumberTickUnit; org.jfree.chart.labels.StandardCategoryItemLabelGenerator; org.jfree.chart.plot.CategoryPlot; org.jfree.chart.plot.PlotOrientation; org.jfree.chart.renderer.category.LineAndShapeRenderer; org.jfree.data.category.DefaultCategoryDataset;
public class TestLineChart { public static void createLineChart() throws IOException, Exception { /*
// ����һ����������ļ���Ķ��� // �½�һ��άJfreeChart���� JFreeChart[] jfreechart = new JFreeChart[2]; String ChartTitle = "";
JFreeChart chart = ChartFactory.createLineChart(ChartTitle, // ����(��һ�� �ı���) "", // x ����� "", // y ����� getLineDataset(), // ��� PlotOrientation.VERTICAL, // ��ʾ���� true, // ��ʾ �� true, false); // ���ñ���ɫ chart.setBackgroundPaint(new Color(193, 193, 193)); CategoryPlot categoryPlot = chart.getCategoryPlot(); // ����������м �ֱ���ɫ�� categoryPlot.setBackgroundPaint(new Color(233, 233, 233)); // x�� // ���������� �ɼ� categoryPlot.setDomainGridlinesVisible(false); categoryPlot.setDomainGridlinePaint(Color.WHITE);// ����ɫ�� // y�� //��������� �ɼ� categoryPlot.setRangeGridlinesVisible(true); categoryPlot.setRangeGridlinePaint(Color.BLACK);// ����ɫ�� categoryPlot.setNoDataMessage("û�����"); categoryPlot.setNoDataMessagePaint(Color.BLUE); categoryPlot.setNoDataMessageFont(new Font("�� ",Font.PLAIN,35));
// ����������֮��ľ��� // plot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D)); // ��ȡ x ����� CategoryAxis domainAxis = categoryPlot.getDomainAxis(); domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45);//
X��45��б // ���þ��� Ƭ�� ��� domainAxis.setLowerMargin(0.0); // ���þ��� Ƭ� ��� domainAxis.setUpperMargin(0.0); // ��ȡ y ����� NumberAxis yAxis = (NumberAxis) categoryPlot.getRangeAxis(); // ����y����Сֵ yAxis.setLowerBound(0.0D); // ����Legend��λ�� ���λ�� // ((JFreeChart) chart).getLegend().setPosition(RectangleEdge.RIGHT); NumberFormat nf =new DecimalFormat("0.0"); yAxis.setNumberFormatOverride(nf);//����y��� ֱٷȷ�ʽ��ʾ // ����y��ʾ��ʽ ����y��� һ���Զ�� �� � yAxis.setAutoTickUnitSelection(false);// �������� �ǩ�Ƿ��Զ�ȷ�� double rangetick = 5D; yAxis.setTickUnit(new NumberTickUnit(rangetick)); // y� λ���Ϊ0.1
LineAndShapeRenderer lineandshaperenderer = (LineAndShapeRenderer) categoryPlot .getRenderer(); lineandshaperenderer.setBaseShapesVisible(true); // series � ���� �ɼ� lineandshaperenderer.setBaseLinesVisible(true); // series � ���� ����l� ɼ�
// ��ʾ�۵���� lineandshaperenderer .setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); lineandshaperenderer.setBaseItemLabelsVisible(false);*/ String rateTitle = ""; JFreeChart chart2= ChartFactory.createLineChart(rateTitle, // � ���ڶı���) "", // x ����� "", // y ����� getLineDataset(), // ��� PlotOrientation.VERTICAL, // ��ʾ���� true, // ��ʾ �� true, false); // ���ñ���ɫ chart2.setBackgroundPaint(new Color(193, 193, 193)); CategoryPlot plot2 = chart2.getCategoryPlot();
����(�
// ��ȡ x ����� // ����������м �ֱ���ɫ�� plot2.setBackgroundPaint(new Color(233, 233, 233)); // x�� // ���������� �ɼ� plot2.setDomainGridlinesVisible(false); plot2.setDomainGridlinePaint(Color.WHITE);// ����ɫ�� // y�� //��������� �ɼ� plot2.setRangeGridlinesVisible(true); plot2.setRangeGridlinePaint(Color.BLACK);// ����ɫ�� CategoryAxis axis2 = plot2.getDomainAxis(); axis2.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // ���þ��� Ƭ�� ��� axis2.setLowerMargin(0.0); // ���þ��� Ƭ� ��� axis2.setUpperMargin(0.0); // ��ȡ y ����� NumberAxis numAxis2 = (NumberAxis) plot2.getRangeAxis(); // ����y����Сֵ // numAxis2.setLowerBound(0.00D); // ����Legend��λ�� ���λ��(Ĭ��λ���� �ε�����) // ((JFreeChart) // chart).getLegend().setPosition(RectangleEdge.RIGHT);
// ����y��ʾ��ʽ ����y��� һ���Զ�� �� � //numAxis2.setAutoTickUnitSelection(false);// �������� �ǩ�Ƿ��Զ�ȷ�� // // //
double rangetick = 0.05; numAxis2.setTickUnit(new NumberTickUnit(rangetick)); // y� λ���Ϊ0.1 NumberFormat nf2 = NumberFormat.getPercentInstance();
//
numAxis2.setNumberFormatOverride(nf2);// ����y��� ֱٷȷ�ʽ��ʾ
// ��ʾ�ֱ�ٷ NumberFormat nf22 = new DecimalFormat("00.00%"); numAxis2.setNumberFormatOverride(nf22);// ����y��� ֱٷȷ�ʽ��ʾ
// ����ʹ��������С��λ��Ϊ���� // numAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
// �Զ������������ �Χʱ�� �Χ����С���(δȷ��) //numAxis2.setAutoRangeMinimumSize(0.05d);; // void setTickUnit(NumberTickUnit unit)�������� �ǩ(δȷ��) // ����Ҫ��AutoTickUnitSelection��false�� // numAxis2.setTickUnit(new NumberTickUnit(5));
// numAxis2.setAutoTickUnitSelection(false); LineAndShapeRenderer lineandshaperenderer2 = (LineAndShapeRenderer) plot2 .getRenderer(); lineandshaperenderer2.setBaseShapesVisible(true); // series� ���� �ɼ� lineandshaperenderer2.setBaseLinesVisible(true); // series� ���� ����l� ɼ� // ��ʾ�۵���� lineandshaperenderer2 .setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator()); lineandshaperenderer2.setBaseItemLabelsVisible(false); // // // //
���õ�һ�������� �"���"Ϊ��ɫ�����һ�� ���ж������ ɷֱ����� lineandshaperenderer2.setSeriesFillPaint(0, new Color(193,193,193)); //�� lineandshaperenderer2.setUseFillPaint(true); //Ӧ��
ChartFrame frame = new ChartFrame("TestPieChart", chart2); frame.pack(); frame.setVisible(true); } private static DefaultCategoryDataset getLineDataset() throws UnsupportedEncodingException, Exception { boolean flag = true; DefaultCategoryDataset categoryDataset = new DefaultCategoryDataset(); // ȡ����� ���ֶ����ͣ���Ҫ�� String[] rate = { "java", "c++", "vb" }; String values = "0"; // ��ʼ������� if(flag){ for (int i = 0; i < rate.length; i++) { // ����ʱ���ʽ String datam = "000000";// ��ʽYYYYMM // ��ȡ�������� // �ȳ�ʼ��һ��ֵ // ȡ�õ�ǰ ������ String Type = rate[i]; // ��һ��:��ʼ������ ����� �����ݣÿ����0.0� D for (int h = 1; h <= 30; h++) { datam = "02"; String end = ""; if (h < 10) {
end = 0 + Integer.toString(h); } else { end = Integer.toString(h); } datam = datam + end; categoryDataset.addValue(Math.random(), rate[i], getDay(datam)); //���Ҫ��ʾ20% ���������Ϊ0.2 //categoryDataset.addValue(22.22d,rate[i],getDay(datam)); } } } return categoryDataset; } // X��ʱ��IJ��� ��:���ַ�"20090103"��תΪ"1��03��"���ַ� private static String getDay(String dayStr) { // ���Ϊ� �� ��Ȳ�����8λ��ֱ�ӷ��� if ("".equals(dayStr)) { return dayStr; } else if (8 != dayStr.length()) { return dayStr; } else { String month = dayStr.substring(4, 6); if (month.startsWith("0")) { month = month.substring(1, 2); } month = month + "��"; String date = dayStr.substring(6, 8) + "��"; String day = month + date; return day; } } // �������ַ���תΪdouble���� private static double getDouble(String valueStr) { if (valueStr.endsWith("%")) { valueStr = valueStr.substring(0, valueStr.length() - 1);
}
// System.out.println("� �;)"��ת } if ("".equals(valueStr)) { return 0.0d; } if (null == valueStr) { return 0.0d; } double value = Double.parseDouble(valueStr); return value;
private double getNumber(String valueStr) { if (valueStr.endsWith("%")) { valueStr = valueStr.substring(0, valueStr.length() - 1);
// System.out.println("� �;)"��ת } if ("".equals(valueStr)) { return 0; } if (null == valueStr) { return 0; } }
return Integer.parseInt(valueStr); public static void main(String[] args) throws IOException, Exception { createLineChart(); }
}
import java.text.SimpleDateFormat; import import import import import import import import import import import import import
org.jfree.chart.ChartFactory; org.jfree.chart.ChartPanel; org.jfree.chart.JFreeChart; org.jfree.chart.axis.DateAxis; org.jfree.chart.axis.DateTickUnit; org.jfree.chart.plot.XYPlot; org.jfree.chart.renderer.StandardXYItemRenderer; org.jfree.data.XYDataset; org.jfree.data.time.Month; org.jfree.data.time.TimeSeries; org.jfree.data.time.TimeSeriesCollection; org.jfree.ui.ApplicationFrame; org.jfree.ui.RefineryUtilities;
/** * A time series demo, with monthly data, where the tick unit on the axis is set to * one month also (this switches off the auto tick unit selection, and *can* result in * overlapping labels). * * @author David Gilbert */ public class TimeSeriesDemo3 extends ApplicationFrame { /** * A demonstration application showing a quarterly time series containing a null value. * * @param title the frame title. */ public TimeSeriesDemo3(String title) {
super(title); TimeSeries series1 = new TimeSeries("Series 1", Month.class); series1.add(new Month(1, 2002), 500.2); series1.add(new Month(2, 2002), 694.1); series1.add(new Month(3, 2002), 734.4); series1.add(new Month(4, 2002), 453.2); series1.add(new Month(5, 2002), 500.2); series1.add(new Month(6, 2002), 345.6); series1.add(new Month(7, 2002), 500.2); series1.add(new Month(8, 2002), 694.1); series1.add(new Month(9, 2002), 734.4); series1.add(new Month(10, 2002), 453.2); series1.add(new Month(11, 2002), 500.2); series1.add(new Month(12, 2002), 345.6); TimeSeries series2 = new TimeSeries("Series 2", Month.class); series2.add(new Month(1, 2002), 234.1); series2.add(new Month(2, 2002), 623.7); series2.add(new Month(3, 2002), 642.5); series2.add(new Month(4, 2002), 651.4); series2.add(new Month(5, 2002), 643.5); series2.add(new Month(6, 2002), 785.6); series2.add(new Month(7, 2002), 234.1); series2.add(new Month(8, 2002), 623.7); series2.add(new Month(9, 2002), 642.5); series2.add(new Month(10, 2002), 651.4); series2.add(new Month(11, 2002), 643.5); series2.add(new Month(12, 2002), 785.6); TimeSeriesCollection dataset = new TimeSeriesCollection(); dataset.addSeries(series1); dataset.addSeries(series2); JFreeChart chart = createChart(dataset); ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); } // **************************************************************************** // * JFREECHART DEVELOPER GUIDE * // * The JFreeChart Developer Guide, written by David Gilbert, is available * // * to purchase from Object Refinery Limited: * // * * // * http://www.object-refinery.com/jfreechart/guide.html * // * * // * Sales are used to provide funding for the JFreeChart project - please
* *
// * support us so that we can continue developing free software.
// **************************************************************************** /** * Creates a new chart. * * @param dataset the dataset. * * @return The dataset. */ private JFreeChart createChart(XYDataset dataset) { JFreeChart chart = ChartFactory.createTimeSeriesChart( "Time Series Demo 3", "Time", "Value", dataset, true, true, false ); XYPlot plot = chart.getXYPlot(); DateAxis axis = (DateAxis) plot.getDomainAxis(); axis.setTickUnit(new DateTickUnit(DateTickUnit.MONTH, 1, new SimpleDateFormat("MMM-yyyy"))); axis.setVerticalTickLabels(true); StandardXYItemRenderer renderer = (StandardXYItemRenderer) plot.getRenderer(); renderer.setPlotShapes(true); renderer.setSeriesShapesFilled(0, Boolean.TRUE); renderer.setSeriesShapesFilled(1, Boolean.FALSE); }
return chart;
/** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(String[] args) { TimeSeriesDemo3 demo = new TimeSeriesDemo3("Time Series Demo 3"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } }
import java.io.File; import java.text.SimpleDateFormat; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartFrame; import org.jfree.chart.ChartUtilities; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.DateAxis; import org.jfree.chart.plot.XYPlot; import org.jfree.data.time.Day; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; public class TimeSeriesExample { public static void main(String[] args) { // ������һ��ʱ���� TimeSeries pop1 = new TimeSeries("Population1", Day.class); pop1.add(new Day(10, 1, 2004), 100); pop1.add(new Day(10, 2, 2004), 150); pop1.add(new Day(10, 3, 2004), 250); pop1.add(new Day(10, 4, 2004), 275); pop1.add(new Day(10, 5, 2004), 325); pop1.add(new Day(10, 6, 2004), 425); // ����һ��ʱ� � TimeSeriesCollection dataset = new TimeSeriesCollection(); dataset.addSeries(pop1); dataset.addSeries(pop2); // ����ʱ�� // JFreeChart chart = ChartFactory.createTimeSeriesChart("����"��"x���"־,"y��� "־,"�������",� ���ʾ ��,� ������ʾ,� ����ñ����ŵ�ַ); JFreeChart chart = ChartFactory.createTimeSeriesChart("� � ͳ ��ʱ�� ","Date","Population",dataset,true,true,false); try{ // ���� ����ʾ��� ChartFrame cf = new ChartFrame("ʱ�� ",chart); cf.pack();
// ���� Ƭ��С cf.setSize(500,300); // ���� �οɼ� cf.setVisible(true); // // ���� Ƭ��ָ���ļ��� // //ChartUtilities.saveChartAsJPEG(new File("C:\\TimeSeriesChart1.jpg"), chart, 500, 300); } catch (Exception e){ System.err.println("Problem occurred creating chart."); } } }
XYPlot plot = (XYPlot) chart.getPlot(); DateAxis axis = (DateAxis) plot.getDomainAxis(); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM"); axis.setDateFormatOverride(format);//����x���� �λ� �����·�ʽ��ʾ MM-dd-yyyy Math.random()*100;(���100�Ļ�д�� XYLineAndShapeRenderer xylinerenderer=(XYLineAndShapeRenderer)xyplot.getRenderer(); XYBarRenderer BarRender=new XYBarRenderer(); plot.setRenderer(BarRender);
CategoryPlot plot=chart.getCategoryPlot(); plot.setBackgroundPaint(Color.WHITE); plot.setRangeGridlinePaint(Color.BLUE);//����������ɫ plot.setDomainGridlinePaint(Color.BLACK);//����������ɫ plot.setDomainGridlinesVisible(true);//��ʾ�������� plot.setRangeGridlinesVisible(true);//��ʾ�������� LineAndShapeRenderer renderer = (LineAndShapeRenderer)plot.getRenderer(); DecimalFormat decimalformat1 = new DecimalFormat("##.##");//�� ���ʾ���ֵ�ĸ�ʽ renderer.setItemLabelGenerator(new StandardCategoryItemLabelGenerator("{2}", decimalformat1)); //�������������������ǩ������� renderer.setItemLabelsVisible(true);//�������ǩ��ʾ renderer.setBaseItemLabelsVisible(true);//�����ǩ��ʾ
//�����⼸��;����� ���趨�ĸ�ʽ��ʾ���ֵ renderer.setShapesFilled(Boolean.TRUE);//���� ���ʾʵ�ĵ�С �� renderer.setShapesVisible(true);//������ʾС ��
XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)plot.getRenderer(); xylineandshaperenderer.setBaseShapesVisible(true);//��������� ���ʾ�� �
xylineandshaperenderer.setShape(new CurveCircle( -1.0d, -1.0d, 2.0d)); RECTANGLE_SHAPE Ellipse2D.Double(double x, double y, double w, double h) new Font("SansSerif", Font.BOLD, 16);
xylineandshaperenderer.setSeriesFillPaint(0, Color.red);
//���õ�һ��������
����Ϊ��ɫ�����һ�� ���ж������ ɷֱ����� xylineandshaperenderer.setUseFillPaint(true); //x���ϵĿ̶ȵ������ʱ������ʱ��� timeseriescollection.setDomainIsPointsInTime(true); //�����������b DateAxis dateaxis = (DateAxis)xyplot.getDomainAxis(); dateaxis.setTickUnit(new DateTickUnit(1, 1, new SimpleDateFormat("MMMyyyy"))); dateaxis.setVerticalTickLabels(true); //����ʱ����Ϊһ�� dateaxis.setTickUnit(new DateTickUnit(DateTickUnit.DAY,1));//����ʱ����Ϊһ��
TextTitle� void setFont(Font font)�������� void setPaint(Paint paint)����������ɫ void setText(String text)��������
void setItemLabelAnchorOffset(double offset)�� �ǩ������ ��ƫ��
void setItemLabelAnchorOffset(double offset)�� �ǩ������ ��ƫ�� void setItemLabelsVisible(boolean visible)�� �ǩ�Ƿ�ɼ� void setItemLabelFont(Font font)�� �ǩ������ void setItemLabelPaint(Paint paint)�� �ǩ��������ɫ void setItemLabelPosition(ItemLabelPosition position)�� �ǩλ�� void setPositiveItemLabelPosition(ItemLabelPosition position)�����ǩλ�� void setNegativeItemLabelPosition(ItemLabelPosition position)�����ǩλ�� void setOutLinePaint(Paint paint) �α ��������ɫ void setOutLineStroke(Stroke stroke) �α ������ʴ� void setPaint(Paint paint)���з��� �ε���ɫ void setShape(Shape shape)���з��� �ε���� ��������״ĵ void setStroke(Stroke stroke)���з��� �εıʴ��������� ��� � void setSeriesItemLabelsVisible(int series,boolean visible)ָ��������� �ǩ�Ƿ�ɼ� void setSeriesItemLabelFont(int series,Font font)ָ��������� �ǩ������ void setSeriesItemLabelPaint(int series,Paint paint)ָ��������� �ǩ��������ɫ void setSeriesItemLabelPosition(int series,ItemLabelPosition position)�� �ǩλ�� void setSeriesPositiveItemLabelPosition(int series,ItemLabelPosition position)�����ǩλ�� void setSeriesNegativeItemLabelPosition(int series,ItemLabelPosition position)�����ǩλ�� void setSeriesOutLinePaint(int series,Paint paint)ָ������� �α ��������ɫ void setSeriesOutLineStroke(int series,Stroke stroke)ָ������� �α ������ʴ� void setSeriesPaint(int series,Paint paint)ָ������ �ε���ɫ void setSeriesShape(int series,Shape shape)ָ������ �ε���� ��������״ĵ void setSeriesStroke(int series,Stroke stroke)ָ������ �εıʴ��������� ��� � AbstractCategoryItemRenderer(AbstractRenderer)� void setLabelGenerator(CategoryLabelGenerator generator)�� �ǩ�ĸ�ʽ void setToolTipGenerator(CategoryToolTipGenerator generator)MAP��������ϵ���ʾ��ʽ void setItemURLGenerator(CategoryURLGenerator generator)MAP����ȡt�Ӹ�ʽ void setSeriesLabelGenerator(int series,CategoryLabelGenerator generator)ָ��������� �ǩ�ĸ�ʽ
void setSeriesToolTipGenerator(int series,CategoryToolTipGenerator generator)ָ �������MAP��������ϵ���ʾ��ʽ void setSeriesItemURLGenerator(int series,CategoryURLGenerator generator)ָ �������MAP����ȡt�Ӹ�ʽ
StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00") new StandardXYToolTipGenerator( StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00") )
xyplot.setBackgroundPaint(Color.lightGray); //�趨 �������ʾ���ֱ���ɫ xyplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D)); //�趨������� �������ʾ��� ���־ xyplot.setDomainGridlinePaint(Color.white); //�����������ɫ xyplot.setRangeGridlinePaint(Color.white); //���� �����ɫ
NumberAxis numAxis = (NumberAxis)xyplot.getRangeAxis(); DateAxis dateaxis = (DateAxis)xyplot.getDomainAxis(); Axis� void setVisible(boolean flag)������ �ɼ� void setAxisLinePaint(Paint paint)�����������ɫ��3D����Ч�� void setAxisLineStroke(Stroke stroke)���������ʴ���3D����Ч�� void setAxisLineVisible(boolean visible)���������� �ɼ�3D����Ч�� void void void void
setFixedDimension(double dimension)�������ڸϱ��жԶ����������ã� setLabel(String label)�������� setLabelFont(Font font)������������ setLabelPaint(Paint paint)����������ɫ
void setLabelAngle(double angle)`�����������תǶȣ�������������ת
void setTickLabelFont(Font font)�������ֵ���� void setTickLabelPaint(Paint paint)�������ֵ��ɫ void setTickLabelsVisible(boolean flag)�������ֵ� ���ʾ void setTickMarkPaint(Paint paint)���������ɫ void setTickMarkStroke(Stroke stroke)������ ʴ� void setTickMarksVisible(boolean flag)�������� ���ʾ ValueAxis(Axis)� void setAutoRange(boolean auto)�Զ������������ �Χ void setAutoRangeMinimumSize(double size)�Զ������������ �Χʱ�� �Χ����С��� void setAutoTickUnitSelection(boolean flag)�������� �ǩ�Ƿ��Զ�ȷ����Ĭ��Ϊtrue�� void setFixedAutoRange(double length)�����̶��� �Χ������100�Ļ�������ʾMAXVALUE��MAXVALUE-100�Ƕ��� �Χ�� void setInverted(boolean flag)������ ���Ĭ��Ϊfalse�� void setLowerMargin(double margin)������£��
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void setUpperMargin(double margin)������ ��ң�� � void setLowerBound(double min)������ϵ���ʾ��Сֵ void setUpperBound(double max)������ϵ���ʾ���ֵ void setPositiveArrowVisible(boolean visible)� ���ʾ����� ��3D����Ч�� void setNegativeArrowVisible(boolean visible)� ���ʾ����� ��3D����Ч�� void setVerticalTickLabels(boolean flag)������� �ǩ�Ƿ���ֱ����ת void setStandardTickUnits(TickUnitSource source)�������� �ǩ������ֻ��ʾ�����ǩ����Ҫ��AutoTickUnitSelection��false�� NumberAxis(ValueAxis)� void setAutoRangeIncludesZero(boolean flag)�Ƿ�ǿ�����Զ�ѡ����� �Χ�а�0 void setAutoRangeStickyZero(boolean flag)� �ǿ�������������а�0����ʹ0������ �Χ�� void setNumberFormatOverride(NumberFormat formatter)������� �ǩ����ʾ��ʽ void setTickUnit(NumberTickUnit unit)�������� �ǩ����Ҫ��AutoTickUnitSelection��false�� DateAxis(ValueAxis)� void setMaximumDate(Date maximumDate)�������ϵ���С���� void setMinimumDate(Date minimumDate)�������ϵ�������� void setRange(Date lower,Date upper)����� Χ void setDateFormatOverride(DateFormat formatter)����������ڱǩ����ʾ��ʽ void setTickUnit(DateTickUnit unit)���������� �ڱǩ����Ҫ��AutoTickUnitSelection��false�� void setTickMarkPosition(DateTickMarkPosition position)��� �ڱǩλ�ã�������org.jfree.chart.axis.DateTickMarkPosition���ж��壩
CategoryAxis(Axis)� void setCategoryMargin(double margin)������ � void setLowerMargin(double margin)�������£��
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void setUpperMargin(double margin)������� ��ң�� � void setVerticalCategoryLabels(boolean flag)���������� ���ֱ����ת void setMaxCategoryLabelWidthRatio(float ratio)����������ǩ�������
void setDataset(PieDataset dataset) ������1ά�� � void setIgnoreNullValues(boolean flag) ������ֵ�ķ��� void setCircular(boolean flag) �� � �һ������ void setStartAngle(double angle) �� �ij�ʼ�Ƕ� void setDirection(Rotation direction) �� ��������ת void setExplodePercent(int section,double percent) ��ȡ���ǿ 飨 1ά�� �ķ����± �Լ���ȡ��4�ľ��루 0.0��1.0����3D�� ��Ч void setLabelBackgroundPaint(Paint paint) �����ǩ�ĵ�ɫ void setLabelFont(Font font) �����ǩ������ void setLabelPaint(Paint paint) �����ǩ��������ɫ void setLabelLinkMargin(double margin) �����ǩ��ͼ��l��� � void setLabelLinkPaint(Paint paint) �����ǩ��ͼ��l������ɫ void setLabelLinkStroke(Stroke stroke) �����ǩ��ͼ��l��� ʴ� void setLabelOutlinePaint(Paint paint) �����ǩ� ���ɫ void void void void
setLabelOutlineStroke(Paint paint) �����ǩ� �ʴ� setLabelShadowPaint(Paint paint) �����ǩ��Ӱ��ɫ setMaximumLabelWidth(double width) �����ǩ���� ȣ�0.0��1.0�� setPieIndex(int index) ��ͼ������ϱ�ͼ���õ���
void setSectionOutlinePaint(int section,Paint paint) ָ�������ı ���ɫ void setSectionOutlineStroke(int section,Stroke stroke) ָ�������ı �ʴ� void setSectionPaint(int section,Paint paint) ָ����������ɫ void setShadowPaint(Paint paint) �� ����Ӱ��ɫ
void setShadowXOffset(double offset) �� ����Ӱ��� �� ƽƫ�� void setShadowYOffset(double offset) �� ����Ӱ��� �Ĵ�ֱƫ�� void setLabelGenerator(PieSectionLabelGenerator generator) �����ǩ�ĸ�ʽ�����ó�null������ǩ��(l��� �����ʾ void setToolTipGenerator(PieToolTipGenerator generator) MAP��������ϵ���ʾ��ʽ void setURLGenerator(PieURLGenerator generator) MAP����ȡt�Ӹ�ʽ //ʹ���ĺ��ֱ����� jfreechart.getRenderingHints().put(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingH ints.VALUE_TEXT_ANTIALIAS_OFF);
final Rotator rotator = new Rotator(plot); rotator.start(); class Rotator extends Timer implements ActionListener { /** The plot. */ private PiePlot3D plot; /** The angle. */ private int angle = 270; /** * Constructor. * * @param plot the plot. */ Rotator(final PiePlot3D plot) { super(100, null); this.plot = plot; addActionListener(this); } /** * Modifies the starting angle. * * @param event the action event. */ public void actionPerformed(final ActionEvent event) { this.plot.setStartAngle(this.angle); this.angle = this.angle + 1; if (this.angle == 360) { this.angle = 0; } } }
import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.Timer; import import import import import import import import
org.jfree.chart.ChartFactory; org.jfree.chart.ChartPanel; org.jfree.chart.JFreeChart; org.jfree.chart.plot.PiePlot3D; org.jfree.data.general.DefaultPieDataset; org.jfree.ui.ApplicationFrame; org.jfree.ui.RefineryUtilities; org.jfree.util.Rotation;
/** * A rotating 3D pie chart. * */ public class PieChart3DDemo2 extends ApplicationFrame { /** * Creates a new demo. * * @param title the frame title. */ public PieChart3DDemo2(final String title) { super(title); // create a dataset... final DefaultPieDataset data = new DefaultPieDataset(); data.setValue("Java", new Double(43.2)); data.setValue("Visual Basic", new Double(10.0)); data.setValue("C/C++", new Double(17.5)); data.setValue("PHP", new Double(32.5)); data.setValue("Perl", new Double(12.5)); // create the chart... final JFreeChart chart = ChartFactory.createPieChart3D( "Pie Chart 3D Demo 2", // chart title data, // data true, // include legend true, false ); chart.setBackgroundPaint(Color.yellow); final PiePlot3D plot = (PiePlot3D) chart.getPlot(); plot.setStartAngle(270); plot.setDirection(Rotation.ANTICLOCKWISE); plot.setForegroundAlpha(0.60f); plot.setInteriorGap(0.33); // add the chart to a panel...
final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(500, 270)); setContentPane(chartPanel); final Rotator rotator = new Rotator(plot); rotator.start(); } /** * Starting point for the demonstration application. * * @param args ignored. */ public static void main(final String[] args) { final PieChart3DDemo2 demo = new PieChart3DDemo2("Pie Chart 3D Demo 2"); demo.pack(); RefineryUtilities.centerFrameOnScreen(demo); demo.setVisible(true); } } // // // // // // // // // //
**************************************************************************** * JFREECHART DEVELOPER GUIDE * * The JFreeChart Developer Guide, written by David Gilbert, is available * * to purchase from Object Refinery Limited: * * * * http://www.object-refinery.com/jfreechart/guide.html * * * * Sales are used to provide funding for the JFreeChart project - please * * support us so that we can continue developing free software. * ****************************************************************************
/** * The rotator. * */ class Rotator extends Timer implements ActionListener { /** The plot. */ private PiePlot3D plot; /** The angle. */ private int angle = 270; /** * Constructor. * * @param plot the plot. */ Rotator(final PiePlot3D plot) { super(100, null); this.plot = plot; addActionListener(this); }
/** * Modifies the starting angle. * * @param event the action event. */ public void actionPerformed(final ActionEvent event) { this.plot.setStartAngle(this.angle); this.angle = this.angle + 1; if (this.angle == 360) { this.angle = 0; } } }
//renderer.setLabelGenerator(new StandardCategoryLabelGenerator()); renderer.setLabelGenerator(new StandardCategoryLabelGenerator("{2}",java.text.NumberFormat.getPercentInstance())) ; renderer.setItemLabelsVisible(true); renderer.setItemLabelFont(new java.awt.Font("����", Font.TRUETYPE_FONT, 20)); renderer.setSeriesLabelGenerator(0,new StandardCategoryLabelGenerator("##%",java.text.NumberFormat.getPercentInstance())) ; plot.setRenderer(renderer);
DecimalFormat df = new DecimalFormat("0.00%"); custombarrenderer3d.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator("{2}", df));
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