private static JFreeChart createChart(CategoryDataset categorydataset) {
JFreeChart jfreechart =
ChartFactory.createBarChart(
"Bar Chart Demo 1",
"Category",
"Value",
categorydataset,
PlotOrientation.VERTICAL,
true,
true,
false);
CategoryPlot categoryplot = (CategoryPlot) jfreechart.getPlot();
categoryplot.setDomainGridlinesVisible(true);
categoryplot.setRangeCrosshairVisible(true);
categoryplot.setRangeCrosshairPaint(Color.blue);
NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
BarRenderer barrenderer = (BarRenderer) categoryplot.getRenderer();
barrenderer.setDrawBarOutline(false);
GradientPaint gradientpaint =
new GradientPaint(0.0F, 0.0F, Color.blue, 0.0F, 0.0F, new Color(0, 0, 64));
GradientPaint gradientpaint1 =
new GradientPaint(0.0F, 0.0F, Color.green, 0.0F, 0.0F, new Color(0, 64, 0));
GradientPaint gradientpaint2 =
new GradientPaint(0.0F, 0.0F, Color.red, 0.0F, 0.0F, new Color(64, 0, 0));
barrenderer.setSeriesPaint(0, gradientpaint);
barrenderer.setSeriesPaint(1, gradientpaint1);
barrenderer.setSeriesPaint(2, gradientpaint2);
barrenderer.setLegendItemToolTipGenerator(
new StandardCategorySeriesLabelGenerator("Tooltip: {0}"));
CategoryAxis categoryaxis = categoryplot.getDomainAxis();
categoryaxis.setCategoryLabelPositions(
CategoryLabelPositions.createUpRotationLabelPositions(0.52359877559829882D));
return jfreechart;
}
private JFreeChart getChart() {
final Calendar now = Calendar.getInstance();
final DefaultCategoryDataset sourceSet = new DefaultCategoryDataset();
final boolean legend = false;
final boolean tooltips = false;
final boolean urls = false;
final StringBuffer stringBuffer = new StringBuffer();
for (int i = 0; i < 3; ++i) {
for (int j = 0; j < 3; ++j) {
now.add(Calendar.DAY_OF_YEAR, 1);
stringBuffer.setLength(0);
sourceSet.addValue(
new Integer(stringBuffer.append(i).append(j).toString()),
String.valueOf(i),
now.getTime());
}
}
return ChartFactory.createBarChart(
"fooTitle",
"fooYLabel",
"fooXLabel",
sourceSet,
PlotOrientation.VERTICAL,
legend,
tooltips,
urls);
}
/**
* @param response
* @param type
* @param alphaList
* @param title
* @param xTitle
* @param yTitle
*/
protected void createChart(
final CollStatInfo csi,
final Vector<Pair<String, Integer>> list,
final String xTitle,
final String yTitle) {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
for (Pair<String, Integer> p : list) {
dataset.addValue(p.second, p.first, "");
}
// if (StringUtils.isEmpty(csi.getInstName()))
// {
// csi.setInstName(getProviderNameFromInstCode(csi.getProviderId()));
// }
JFreeChart chart =
ChartFactory.createBarChart(
csi.getTitle(), xTitle, yTitle, dataset, PlotOrientation.VERTICAL, true, true, false);
// chart.getCategoryPlot().setRenderer(new CustomColorBarChartRenderer());
chart.setBackgroundPaint(new Color(228, 243, 255));
try {
Integer hashCode = csi.hashCode();
csi.setChartFileName(hashCode + ".png");
DataOutputStream dos =
new DataOutputStream(
new FileOutputStream(new File("reports/charts/" + csi.getChartFileName())));
ChartUtilities.writeChartAsPNG(dos, chart, 700, 600);
} catch (Exception ex) {
ex.printStackTrace();
}
}
private void saveChart(final DefaultCategoryDataset dataset) throws IOException {
final JFreeChart chart =
ChartFactory.createBarChart(
"HtmlUnit implemented properties and methods for " + browserVersion_.getNickname(),
"Objects",
"Count",
dataset,
PlotOrientation.HORIZONTAL,
true,
true,
false);
final CategoryPlot plot = (CategoryPlot) chart.getPlot();
final NumberAxis axis = (NumberAxis) plot.getRangeAxis();
axis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
final LayeredBarRenderer renderer = new LayeredBarRenderer();
plot.setRenderer(renderer);
plot.setRowRenderingOrder(SortOrder.DESCENDING);
renderer.setSeriesPaint(0, new GradientPaint(0, 0, Color.green, 0, 0, new Color(0, 64, 0)));
renderer.setSeriesPaint(1, new GradientPaint(0, 0, Color.blue, 0, 0, new Color(0, 0, 64)));
renderer.setSeriesPaint(2, new GradientPaint(0, 0, Color.red, 0, 0, new Color(64, 0, 0)));
ImageIO.write(
chart.createBufferedImage(1200, 2400),
"png",
new File(
getArtifactsDirectory() + "/properties-" + browserVersion_.getNickname() + ".png"));
}
private static void generateChart(
String benchmark, DefaultCategoryDataset dataset, int benchmarkCount) {
JFreeChart chart =
ChartFactory.createBarChart(
benchmark,
"framework",
"throughput",
dataset,
PlotOrientation.HORIZONTAL,
true,
false,
false);
CategoryPlot plot = chart.getCategoryPlot();
BarRenderer renderer = (BarRenderer) plot.getRenderer();
renderer.setItemMargin(0);
notSoUglyPlease(chart);
String pngFile = getOutputName(benchmark);
try {
int height = 100 + benchmarkCount * 20;
ChartUtilities.saveChartAsPNG(new File(pngFile), chart, 700, height);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private JFreeChart formChart() {
DefaultCategoryDataset data = new DefaultCategoryDataset();
String dateString = request.getParameter("date");
Date date = null;
if (dateString != null && (!dateString.equals("null"))) {
date = DayTransformer.transform(dateString);
} else {
date = new Date(System.currentTimeMillis());
}
String[][] storeSellingDis =
saleperformanceManage.getStoreSellingDis(DayTransformer.transformToMonth(date));
for (int i = 0; i < storeSellingDis.length; i++) {
data.setValue(
Double.parseDouble(storeSellingDis[i][1]), storeSellingDis[i][0], storeSellingDis[i][0]);
}
JFreeChart barChart =
ChartFactory.createBarChart(
"店铺销售分布图", "店铺名称", "销售额", data, PlotOrientation.VERTICAL, true, true, false);
CategoryPlot plot = (CategoryPlot) barChart.getCategoryPlot();
BarRenderer renderer = (BarRenderer) plot.getRenderer();
// 显示条目标签
renderer.setBaseItemLabelsVisible(true);
// 设置条目标签生成器,在JFreeChart1.0.6之前可以通过renderer.setItemLabelGenerator(CategoryItemLabelGenerator
// generator)方法实现，但是从版本1.0.6开始有下面方法代替
renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
// 设置条目标签显示的位置,outline表示在条目区域外,baseline_center表示基于基线且居中
renderer.setBasePositiveItemLabelPosition(
new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_CENTER));
barChart.getLegend().setItemFont(new Font("黑体", Font.BOLD, 15)); // 设置引用标签字体
barChart.getTitle().setFont(new Font("华文行楷", Font.BOLD, 32));
return barChart;
}
private JFreeChart createChart(CategoryDataset setCategory) {
JFreeChart chart =
ChartFactory.createBarChart(
this.chartTitle, "", "", setCategory, PlotOrientation.VERTICAL, true, true, false);
CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.addRangeMarker(ChartUtil.getAverageMarker(this.average), Layer.FOREGROUND);
BookModel model = this.mainFrame.getBookModel();
Session session = model.beginTransaction();
StrandDAOImpl daoStrand = new StrandDAOImpl(session);
List strands = daoStrand.findAll();
model.commit();
Color[] colors = new Color[strands.size()];
int i = 0;
Object iObject = strands.iterator();
while (((Iterator) iObject).hasNext()) {
Strand strand = (Strand) ((Iterator) iObject).next();
colors[i] = ColorUtil.darker(strand.getJColor(), 0.25D);
i++;
}
iObject = (BarRenderer) plot.getRenderer();
for (int j = 0; j < setCategory.getRowCount(); j++) {
Color color = colors[(j % colors.length)];
((BarRenderer) iObject).setSeriesPaint(j, color);
}
return chart;
}
@Override
public JFreeChart createChart(FacesContext context) {
JFreeChart chart;
if (!getIs3D()) {
chart =
ChartFactory.createBarChart(
getTitle(),
getDomainAxisLabel(),
getRangeAxisLabel(),
(CategoryDataset) dataset,
plotOrientation(getOrientation()),
getLegend(),
false,
false);
} else {
chart =
ChartFactory.createBarChart3D(
getTitle(),
getDomainAxisLabel(),
getRangeAxisLabel(),
(CategoryDataset) dataset,
plotOrientation(getOrientation()),
getLegend(),
false,
false);
}
configureTitle(chart.getTitle());
configureLegend(chart.getLegend());
return chart;
}
public void loadDataToGrafik() throws IOException {
DefaultCategoryDataset dataset = (DefaultCategoryDataset) this.generateData();
chart =
ChartFactory.createBarChart(
"Statistik Pendidikan Dosen",
"Prodi",
"Jumlah Dosen",
dataset,
PlotOrientation.HORIZONTAL,
true,
true,
false);
chart.setBackgroundPaint(new Color(0xCC, 0xFF, 0xCC));
final CategoryPlot plot = chart.getCategoryPlot();
plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
plot.setRangeAxisLocation(AxisLocation.TOP_OR_LEFT);
plot.getRangeAxis().setStandardTickUnits(NumberAxis.createIntegerTickUnits());
final CategoryItemRenderer renderer1 = plot.getRenderer();
renderer1.setSeriesPaint(0, Color.red);
renderer1.setSeriesPaint(1, Color.yellow);
renderer1.setSeriesPaint(2, Color.green);
BarRenderer br = (BarRenderer) renderer1;
br.setShadowVisible(false);
br.setShadowVisible(false);
BufferedImage bi = chart.createBufferedImage(900, 1500, BufferedImage.TRANSLUCENT, null);
byte[] bytes = EncoderUtil.encode(bi, ImageFormat.PNG, true);
AImage image = new AImage("Bar Chart", bytes);
chartImg.setContent(image);
btnExport.setDisabled(false);
}
public NetflowTotalByIPChart(String title, String filename) {
TotalsCSVReader reader =
new TotalsCSVReader(filename, TotalsCSVReader.IP, TotalsCSVReader.OCTETS);
HashMap<String, Integer> mappeddata = reader.getTotalsItems();
Integer val;
/* Create a simple Bar chart
*/
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
for (String protocol : mappeddata.keySet()) {
val = mappeddata.get(protocol);
dataset.setValue(val.intValue(), "Netflow", protocol);
}
JFreeChart chart =
ChartFactory.createBarChart(
"Total by IP",
"IP Address",
"Octets",
dataset,
PlotOrientation.VERTICAL,
false,
true,
false);
// create and display a frame...
frame = new ChartFrame(title, chart);
frame.pack();
}
private void btnPictorialViewActionPerformed(
java.awt.event.ActionEvent evt) { // GEN-FIRST:event_btnPictorialViewActionPerformed
// TODO add your handling code here:
DefaultCategoryDataset categoryDataset = new DefaultCategoryDataset();
for (Product product : supplier.getProductCatalog().getProductCatalog()) {
categoryDataset.setValue(product.getSoldQuantity(), "Units", product.getProdName());
}
JFreeChart freeChart =
ChartFactory.createBarChart(
"Sales Report",
"Product",
"Units",
categoryDataset,
PlotOrientation.VERTICAL,
false,
true,
false);
CategoryPlot categoryPlot = freeChart.getCategoryPlot();
categoryPlot.setRangeGridlinePaint(Color.BLACK);
ChartFrame cf = new ChartFrame("Sales Report", freeChart);
cf.setVisible(true);
cf.setSize(450, 300);
} // GEN-LAST:event_btnPictorialViewActionPerformed
/**
* Creates a sample chart.
*
* @param dataset the dataset.
* @return The chart.
*/
private static JFreeChart createchart(CategoryDataset dataset) {
// create the chart...
JFreeChart chart =
ChartFactory.createBarChart(
"Bar Chart Demo 1", // chart
// title
"Category", // domain axis label
"Value", // range axis label
dataset, // data
PlotOrientation.VERTICAL, // orientation
true, // include legend
true, // tooltips?
false // URLs?
);
// NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
// set the background color for the chart...
chart.setBackgroundPaint(Color.white);
// get a reference to the plot for further customisation...
CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setDomainGridlinesVisible(true);
plot.setRangeGridlinePaint(Color.white);
// ******************************************************************
// More than 150 demo applications are included with the JFreeChart
// Developer Guide...for more information, see:
//
// > http://www.object-refinery.com/jfreechart/guide.html
//
// ******************************************************************
// set the range axis to display integers only...
final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
// disable bar outlines...
BarRenderer renderer = (BarRenderer) plot.getRenderer();
// renderer.setDrawBarOutline(false);
// set up gradient paints for series...
GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, new Color(0, 0, 64));
GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, new Color(0, 64, 0));
GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, new Color(64, 0, 0));
renderer.setSeriesPaint(0, gp0);
renderer.setSeriesPaint(1, gp1);
renderer.setSeriesPaint(2, gp2);
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setCategoryLabelPositions(
CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));
// OPTIONAL CUSTOMISATION COMPLETED.
return chart;
}
/**
* Create a bar chart with sample data in the range -3 to +3.
*
* @return The chart.
*/
private static JFreeChart createBarChart() {
Number[][] data =
new Integer[][] {
{new Integer(-3), new Integer(-2)},
{new Integer(-1), new Integer(1)},
{new Integer(2), new Integer(3)}
};
CategoryDataset dataset = DatasetUtilities.createCategoryDataset("S", "C", data);
return ChartFactory.createBarChart("Bar Chart", "Domain", "Range", dataset);
}
public BarChart_AWT(String applicationTitle, String chartTitle, int nbpers) {
JFreeChart barChart =
ChartFactory.createBarChart(
chartTitle,
"Rôles",
"Fréquence",
createDataset(nbpers),
PlotOrientation.VERTICAL,
true,
true,
false);
ChartPanel chartPanel = new ChartPanel(barChart);
chartPanel.setPreferredSize(new java.awt.Dimension(560, 367));
this.setTitle(applicationTitle);
this.dispose();
JPanel top = new JPanel();
JPanel body = new JPanel();
body.add(chartPanel);
top.add(prec);
top.add(next);
this.getContentPane().add(top, BorderLayout.NORTH);
this.getContentPane().add(body, BorderLayout.CENTER);
prec.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (increment > 0) {
increment--;
}
chart = new BarChart_AWT("Statistiques", iofile.nb_to_name(increment), increment);
chart.pack();
chart.setLocationRelativeTo(null);
hidden();
chart.setVisible(true);
}
});
next.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (increment < 11) {
increment++;
}
chart = new BarChart_AWT("Statistiques", iofile.nb_to_name(increment), increment);
chart.pack();
chart.setLocationRelativeTo(null);
hidden();
chart.setVisible(true);
}
});
}
/**
* Displays a signal (using the JFreeChart package).
*
* @param useChart if set to true, the signal is displaied as a bar chart (this is used for
* histograms).
*/
public void display(boolean useChart) {
JFreeChart chart;
int nbSamples = getNbSamples();
if (useChart) {
String[] categories = new String[nbSamples];
for (int i = 0; i < nbSamples; i++) {
categories[i] = data.getX(i).toString();
}
String[] categoryNames = {"Histogram"};
double[][] categoryData = new double[1][nbSamples];
for (int i = 0; i < nbSamples; i++) {
categoryData[0][i] = data.getY(i).doubleValue();
}
CategoryDataset categoryDataset =
DatasetUtilities.createCategoryDataset(categoryNames, categories, categoryData);
chart =
ChartFactory.createBarChart(
"Histogram", // Title
"Data Value", // X axis label
"Number of Elements", // Y axis label
categoryDataset, // dataset
PlotOrientation.VERTICAL, // orientation
true, // legends
true, // tool tips
true);
} else {
XYDataset xyDataSet = new XYSeriesCollection(this.data);
chart =
ChartFactory.createXYLineChart(
"Example Dataset", // Title
"Abscissa", // X axis label
"Ordinate", // Y axis label
xyDataSet, // dataset
PlotOrientation.VERTICAL, // orientation
true, // legends
true, // tool tips
true); // urls
XYPlot plot = (XYPlot) chart.getPlot();
XYItemRenderer r = plot.getRenderer();
if (r instanceof XYLineAndShapeRenderer) {
XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
renderer.setSeriesShapesVisible(0, true);
renderer.setSeriesShapesFilled(0, true);
}
}
ChartFrame frame = new ChartFrame("Frame Title", chart);
frame.setVisible(true);
frame.setSize(512, 512);
}
public JFreeChart getChart() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.setValue(5, "Sales", "2007");
dataset.setValue(6, "Sales", "2008");
JFreeChart chart =
ChartFactory.createBarChart(
"BarChart", "Year", "Sales", dataset, PlotOrientation.VERTICAL, false, true, true);
return chart;
}
/**
* A simple test for the auto-range calculation looking at a NumberAxis used as the range axis for
* a CategoryPlot.
*/
@Test
public void testAutoRange1() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.setValue(100.0, "Row 1", "Column 1");
dataset.setValue(200.0, "Row 1", "Column 2");
JFreeChart chart = ChartFactory.createBarChart("Test", "Categories", "Value", dataset);
CategoryPlot plot = (CategoryPlot) chart.getPlot();
NumberAxis axis = (NumberAxis) plot.getRangeAxis();
assertEquals(axis.getLowerBound(), 0.0, EPSILON);
assertEquals(axis.getUpperBound(), 210.0, EPSILON);
}
/**
* This method renders the chart given a dataset on the respective panel
*
* @param dataset
* @param type (0: Assets, 1: Liabilities, 2: Income, 3: Expense)
*/
private ChartPanel renderBarChart(DefaultCategoryDataset dataset, int type) {
// Customize the chart's title
String title = "";
switch (type) {
case 0:
title = "Assets";
break;
case 1:
title = "Liabilities";
break;
case 2:
title = "Income";
break;
case 3:
title = "Expenses";
break;
}
// Create JFreeChart with dataSet
JFreeChart newChart =
ChartFactory.createBarChart(
title, "Categories", "Amount", dataset, PlotOrientation.VERTICAL, false, true, false);
// Change the chart's visual properties
CategoryPlot chartPlot = newChart.getCategoryPlot();
chartPlot.setBackgroundPaint(Color.WHITE); // to set the background color of the chart as white
BarRenderer chartRenderer = (BarRenderer) chartPlot.getRenderer();
// Customize the chart's color
switch (type) {
case 0:
chartRenderer.setSeriesPaint(0, new Color(50, 170, 20));
break;
case 1:
chartRenderer.setSeriesPaint(0, new Color(200, 30, 20));
break;
case 2:
chartRenderer.setSeriesPaint(0, new Color(13, 92, 166));
break;
case 3:
chartRenderer.setSeriesPaint(0, new Color(255, 205, 50));
break;
}
chartRenderer.setBarPainter(new StandardBarPainter()); // to disable the default 'shiny look'
// Create the chart panel
ChartPanel newChartPanel =
new ChartPanel(newChart, 350, 200, 200, 100, 800, 300, true, true, true, true, true, true);
newChartPanel.setSize(270, 200);
return newChartPanel;
}
private static JFreeChart createBarChart(CategoryDataset dataset) {
JFreeChart chart =
ChartFactory.createBarChart(
"Classificações", // Titulo
"Nome de ficheiro", // Eixo X
"Classificação média", // Eixo Y
dataset, // Dados para o grafico
PlotOrientation.VERTICAL, // Orientacao do grafico
false,
false,
false); // exibir: legendas, tooltips, url
return chart;
}
/**
* A simple test for the auto-range calculation looking at a NumberAxis used as the range axis for
* a CategoryPlot. In this case, the 'autoRangeIncludesZero' flag is set to false.
*/
public void testAutoRange2() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.setValue(100.0, "Row 1", "Column 1");
dataset.setValue(200.0, "Row 1", "Column 2");
JFreeChart chart =
ChartFactory.createBarChart(
"Test", "Categories", "Value", dataset, PlotOrientation.VERTICAL, false, false, false);
CategoryPlot plot = (CategoryPlot) chart.getPlot();
NumberAxis axis = (NumberAxis) plot.getRangeAxis();
axis.setAutoRangeIncludesZero(false);
assertEquals(axis.getLowerBound(), 95.0, EPSILON);
assertEquals(axis.getUpperBound(), 205.0, EPSILON);
}
/**
* Method returns a constructed, fully customised chart.
*
* @param dataset - dataset from the de-serialized Statistics object
* @return JFreeChart chart
*/
private static JFreeChart createChart(CategoryDataset dataset) {
// create the chart...
JFreeChart chart =
ChartFactory.createBarChart(
"Time taken/Cells covered Performance", // Title of the chart
"", // X Axis label
"Time taken", // Y axis label
dataset, // Data used for the chart
PlotOrientation.VERTICAL, // Orientation of the chart to be drawn
false, // Legend
true, // Tooltips
false // URL
);
// Display an additional label undeneath the bar chart to tell the user to hover over the bar
// chart to see more deatils
TextTitle legendText = new TextTitle("* Hover over the bar to see the cells covered.");
legendText.setPosition(RectangleEdge.BOTTOM);
chart.addSubtitle(legendText);
// Background for the chart
chart.setBackgroundPaint(Color.white);
// Store reference to the plot to customise it
CategoryPlot plot = (CategoryPlot) chart.getPlot();
// Y axis should display integers only (so that the time taken is given in second integers)
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
BarRenderer renderer = (BarRenderer) plot.getRenderer();
renderer.setDrawBarOutline(false);
// Set the colours for the graphs
GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, new Color(0, 0, 64));
GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, new Color(0, 64, 0));
GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, new Color(64, 0, 0));
renderer.setSeriesPaint(0, gp0);
renderer.setSeriesPaint(1, gp1);
renderer.setSeriesPaint(2, gp2);
// Set up the X axis so that the title appears diagonal
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setCategoryLabelPositions(
CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));
return chart;
}
private void createBarchart(
String title,
String categoryLabel,
String valueLabel,
PlotData[] data,
String[] dataLabels,
String filename) {
DefaultCategoryDataset dataSet = new DefaultCategoryDataset();
int maxDataLength = 0;
for (int i = 0; i < dataLabels.length; i++) {
for (int j = 0; j < data[i].getData().length; j++) {
dataSet.addValue(data[i].getData()[j], dataLabels[i], data[i].getLabels()[j]);
}
if (maxDataLength < data[i].getData().length) {
maxDataLength = data[i].getData().length;
}
}
JFreeChart chart =
ChartFactory.createBarChart(
title,
categoryLabel,
valueLabel,
dataSet,
PlotOrientation.VERTICAL,
dataLabels.length > 1, // display legend
false,
false);
CategoryPlot plot = (CategoryPlot) chart.getPlot();
CategoryAxis xAxis = (CategoryAxis) plot.getDomainAxis();
xAxis.setCategoryLabelPositions(CategoryLabelPositions.STANDARD);
xAxis.setMaximumCategoryLabelLines(6);
// chart.setBackgroundPaint(ChartColor.WHITE);
int width = 50 + maxDataLength * 170;
if (maxDataLength < 3) {
width += 170;
}
int height = 400;
try {
File file = new File(contextPath + filename);
ChartUtilities.saveChartAsPNG(file, chart, width, height);
} catch (IOException e) {
LOG.warn("createBarchart(): ", e);
}
}
/**
* Creates a sample chart.
*
* @param dataset the dataset.
* @return The chart.
*/
private JFreeChart createChart(CategoryDataset dataset) {
// create the chart...
JFreeChart chart =
ChartFactory.createBarChart(
"", // chart
// title
xLabel, // domain axis label
yLabel, // range axis label
dataset, // data
PlotOrientation.VERTICAL, // orientation
true, // include legend
true, // tooltips?
false // URLs?
);
// NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
// set the background color for the chart...
chart.setBackgroundPaint(Color.white);
// get a reference to the plot for further customisation...
CategoryPlot plot = chart.getCategoryPlot();
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setDomainGridlinesVisible(true);
plot.setRangeGridlinePaint(Color.white);
// set the range axis to display integers only...
final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
// disable bar outlines...
BarRenderer renderer = (BarRenderer) plot.getRenderer();
renderer.setDrawBarOutline(false);
// set up gradient paints for series...
GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, new Color(64, 0, 0));
GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, new Color(0, 64, 0));
renderer.setSeriesPaint(0, gp0);
renderer.setSeriesPaint(1, gp1);
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setCategoryLabelPositions(
CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 2.0));
// OPTIONAL CUSTOMISATION COMPLETED.
return chart;
}
/**
* 生成JFreeChart
*
* @return
*/
private JFreeChart getJFreeChart() {
CategoryDataset dataset = getCategoryDataset();
JFreeChart chart =
ChartFactory.createBarChart(
"2010年上半年销售量", // 图表标题
"月份", // x轴标签
"销售量（单位：本）", // y轴标签
dataset, // 数据集
PlotOrientation.VERTICAL, // 图表方向：水平、垂直
false, // 是否显示图例(对于简单的柱状图必须是false)
false, // 是否生成工具
false // 是否生成URL链接
);
return chart;
}
/**
* Creates a sample chart.
*
* @param dataset the dataset.
* @return The chart.
*/
private static JFreeChart createChart(CategoryDataset dataset) {
// create the chart...
JFreeChart chart =
ChartFactory.createBarChart(
"SubCategoryAxis Demo 1", // chart title
"Category", // domain axis label
"Value", // range axis label
dataset, // data
PlotOrientation.VERTICAL, // orientation
false, // include legend
true, // tooltips?
false // URLs?
);
// get a reference to the plot for further customisation...
CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.setBackgroundPaint(Color.lightGray);
SubCategoryAxis axis = new SubCategoryAxis(null);
axis.addSubCategory("S1");
axis.addSubCategory("S2");
axis.addSubCategory("S3");
plot.setDomainAxis(axis);
plot.setDomainGridlinePaint(Color.white);
plot.setDomainGridlinesVisible(true);
plot.setRangeGridlinePaint(Color.white);
// set the range axis to display integers only...
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
// disable bar outlines...
BarRenderer renderer = (BarRenderer) plot.getRenderer();
renderer.setDrawBarOutline(false);
ChartUtilities.applyCurrentTheme(chart);
// set up gradient paints for series...
GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, Color.blue, 0.0f, 0.0f, new Color(0, 0, 64));
GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, Color.green, 0.0f, 0.0f, new Color(0, 64, 0));
GradientPaint gp2 = new GradientPaint(0.0f, 0.0f, Color.red, 0.0f, 0.0f, new Color(64, 0, 0));
renderer.setSeriesPaint(0, gp0);
renderer.setSeriesPaint(1, gp1);
renderer.setSeriesPaint(2, gp2);
return chart;
}
private JFreeChart getBarChart() {
// Load the data, if necessary
loadData();
// Create the vertical bar chart
final JFreeChart chart =
ChartFactory.createBarChart(
getTitle(),
"",
"",
getCategoryDataset(),
PlotOrientation.HORIZONTAL,
false,
true,
false);
final CategoryPlot categoryplot = (CategoryPlot) chart.getPlot();
categoryplot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
categoryplot.setRangePannable(true);
categoryplot.setNoDataMessage("No data available");
final BarRenderer barrenderer = (BarRenderer) categoryplot.getRenderer();
barrenderer.setItemLabelAnchorOffset(9D);
barrenderer.setBaseItemLabelsVisible(true);
barrenderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
// barrenderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator("{1} = {2}", new
// DecimalFormat("0")));
final CategoryAxis categoryaxis = categoryplot.getDomainAxis();
categoryaxis.setCategoryMargin(0.25D);
categoryaxis.setUpperMargin(0.02D);
categoryaxis.setLowerMargin(0.02D);
final NumberAxis numberaxis = (NumberAxis) categoryplot.getRangeAxis();
numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
numberaxis.setUpperMargin(0.10000000000000001D);
ChartUtilities.applyCurrentTheme(chart);
// if (useLegend())
// {
// // pieplot.setLegendLabelGenerator(new StandardPieSectionLabelGenerator("{0} ({1})"));
// chart.getLegend().setPosition(RectangleEdge.RIGHT);
// // pieplot.setLegendLabelToolTipGenerator(new StandardPieSectionLabelGenerator("{0}:
// {2}%"));
// }
return chart;
}
/**
* Creates a new demo.
*
* @param title the frame title.
*/
public MouseListenerDemo2(String title) {
super(title);
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(1.0, "S1", "C1");
dataset.addValue(4.0, "S1", "C2");
dataset.addValue(3.0, "S1", "C3");
dataset.addValue(5.0, "S1", "C4");
dataset.addValue(5.0, "S1", "C5");
dataset.addValue(6.0, "S1", "C6");
dataset.addValue(7.0, "S1", "C7");
dataset.addValue(8.0, "S1", "C8");
dataset.addValue(5.0, "S2", "C1");
dataset.addValue(7.0, "S2", "C2");
dataset.addValue(6.0, "S2", "C3");
dataset.addValue(8.0, "S2", "C4");
dataset.addValue(4.0, "S2", "C5");
dataset.addValue(4.0, "S2", "C6");
dataset.addValue(3.0, "S2", "C7");
dataset.addValue(1.0, "S2", "C8");
dataset.addValue(4.0, "S3", "C1");
dataset.addValue(3.0, "S3", "C2");
dataset.addValue(2.0, "S3", "C3");
dataset.addValue(3.0, "S3", "C4");
dataset.addValue(6.0, "S3", "C5");
dataset.addValue(3.0, "S3", "C6");
dataset.addValue(4.0, "S3", "C7");
dataset.addValue(3.0, "S3", "C8");
JFreeChart chart =
ChartFactory.createBarChart(
"MouseListenerDemo2",
"Category",
"Value",
dataset,
PlotOrientation.VERTICAL,
true,
true,
false);
// add the chart to a panel...
ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.addChartMouseListener(this);
chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
setContentPane(chartPanel);
}
@Override
protected JFreeChart createChart(Map<String, Object> model, HttpServletRequest request) {
// Get the time function
String func = ServletRequestUtils.getStringParameter(request, "func", "hour");
UsageStatisticsService svc = Context.getService(UsageStatisticsService.class);
int[][] timeStats = new int[0][0];
String xAxisLabel = null;
String[] categories = null;
if (func.equals("hour")) {
timeStats = svc.getHourStats(getFromDate(), getUntilInclusiveDate(), getLocation());
xAxisLabel = ContextProvider.getMessage("usagestatistics.chart.hour");
} else if (func.equals("dayofweek")) {
timeStats = svc.getDayOfWeekStats(getFromDate(), getUntilInclusiveDate(), getLocation());
xAxisLabel = ContextProvider.getMessage("usagestatistics.chart.day");
categories = ContextProvider.getMessage("usagestatistics.chart.dayNames").split("\\|");
}
String yAxisLabel = ContextProvider.getMessage("usagestatistics.chart.records");
String seriesView = ContextProvider.getMessage("usagestatistics.results.views");
String seriesUpdates = ContextProvider.getMessage("usagestatistics.results.updates");
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
for (int c = 0; c < timeStats.length; c++) {
dataset.addValue(
timeStats[c][0], seriesView, (categories != null) ? categories[c] : (c + ""));
dataset.addValue(
timeStats[c][1], seriesUpdates, (categories != null) ? categories[c] : (c + ""));
}
JFreeChart chart =
ChartFactory.createBarChart(
null, // Chart title
xAxisLabel, // Domain axis label
yAxisLabel, // Range axis label
dataset, // Data
PlotOrientation.VERTICAL, // Orientation
true, // Include legend
false, // Tooltips?
false // URLs?
);
return chart;
}
private static JFreeChart createFieldCountChart(
Stats.RecordStats recordStats, String which, String name) {
if (recordStats == null) return null;
List<Stats.Counter> sorted = sort(recordStats.fieldCount.counterMap.values());
DefaultCategoryDataset data = new DefaultCategoryDataset();
for (Stats.Counter counter : sorted) data.addValue(counter.count, "Count", counter.value);
JFreeChart chart =
ChartFactory.createBarChart(
String.format("Unique fields per record in %s of %s", which, name),
"Unique field count",
"Record count",
data,
PlotOrientation.VERTICAL,
false,
true,
false);
return finishBarChart(chart); // , new Color(220, 20, 60), new Color(50, 205, 50));
}
/**
* A check for the interaction between the 'autoRangeIncludesZero' flag and the base setting in
* the BarRenderer.
*/
@Test
public void testAutoRange4() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.setValue(100.0, "Row 1", "Column 1");
dataset.setValue(200.0, "Row 1", "Column 2");
JFreeChart chart =
ChartFactory.createBarChart(
"Test", "Categories", "Value", dataset, PlotOrientation.VERTICAL, false, false, false);
CategoryPlot plot = (CategoryPlot) chart.getPlot();
NumberAxis axis = (NumberAxis) plot.getRangeAxis();
axis.setAutoRangeIncludesZero(false);
BarRenderer br = (BarRenderer) plot.getRenderer();
br.setIncludeBaseInRange(false);
assertEquals(95.0, axis.getLowerBound(), EPSILON);
assertEquals(205.0, axis.getUpperBound(), EPSILON);
br.setIncludeBaseInRange(true);
assertEquals(0.0, axis.getLowerBound(), EPSILON);
assertEquals(210.0, axis.getUpperBound(), EPSILON);
axis.setAutoRangeIncludesZero(true);
assertEquals(0.0, axis.getLowerBound(), EPSILON);
assertEquals(210.0, axis.getUpperBound(), EPSILON);
br.setIncludeBaseInRange(true);
assertEquals(0.0, axis.getLowerBound(), EPSILON);
assertEquals(210.0, axis.getUpperBound(), EPSILON);
// now replacing the dataset should update the axis range...
DefaultCategoryDataset dataset2 = new DefaultCategoryDataset();
dataset2.setValue(900.0, "Row 1", "Column 1");
dataset2.setValue(1000.0, "Row 1", "Column 2");
plot.setDataset(dataset2);
assertEquals(0.0, axis.getLowerBound(), EPSILON);
assertEquals(1050.0, axis.getUpperBound(), EPSILON);
br.setIncludeBaseInRange(false);
assertEquals(0.0, axis.getLowerBound(), EPSILON);
assertEquals(1050.0, axis.getUpperBound(), EPSILON);
axis.setAutoRangeIncludesZero(false);
assertEquals(895.0, axis.getLowerBound(), EPSILON);
assertEquals(1005.0, axis.getUpperBound(), EPSILON);
}