Java Code Examples for org.jfree.chart.JFreeChart#createBufferedImage()
The following examples show how to use
org.jfree.chart.JFreeChart#createBufferedImage() .
You can vote up the ones you like or vote down the ones you don't like,
and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
| Source File: StatisticalBarRendererTest.java From buffer_bci with GNU General Public License v3.0 | 6 votes |
|
/**
* Draws the chart with a <code>null</code> standard deviation to make sure
* that no exceptions are thrown (particularly by code in the renderer).
* See bug report 1779941.
*/
@Test
public void testDrawWithNullDeviationHorizontal() {
try {
DefaultStatisticalCategoryDataset dataset
= new DefaultStatisticalCategoryDataset();
dataset.add(1.0, 2.0, "S1", "C1");
dataset.add(new Double(4.0), null, "S1", "C2");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new StatisticalBarRenderer());
plot.setOrientation(PlotOrientation.HORIZONTAL);
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
catch (NullPointerException e) {
fail("No exception should be thrown.");
}
}
Example 2
| Source File: BoxAndWhiskerRendererTest.java From openstock with GNU General Public License v3.0 | 6 votes |
|
/**
* Draws a chart where the dataset contains a null mean value.
*/
@Test
public void testDrawWithNullMean() {
boolean success;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(null, new Double(2.0),
new Double(0.0), new Double(4.0), new Double(0.5),
new Double(4.5), new Double(-0.5), new Double(5.5),
null), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
ChartRenderingInfo info = new ChartRenderingInfo();
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
info);
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
Example 3
| Source File: BoxAndWhiskerRendererTest.java From buffer_bci with GNU General Public License v3.0 | 6 votes |
|
/**
* Draws a chart where the dataset contains a null min regular value.
*/
@Test
public void testDrawWithNullMinRegular() {
boolean success;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(new Double(1.0), new Double(2.0),
new Double(3.0), new Double(4.0), null,
new Double(4.5), new Double(-0.5), new Double(5.5),
null), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
ChartRenderingInfo info = new ChartRenderingInfo();
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
info);
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
Example 4
| Source File: FastScatterPlotTest.java From ECG-Viewer with GNU General Public License v2.0 | 6 votes |
|
/**
* Draws the chart with a <code>null</code> info object to make sure that
* no exceptions are thrown.
*/
@Test
public void testDrawWithNullInfo() {
try {
float[][] data = createData();
ValueAxis domainAxis = new NumberAxis("X");
ValueAxis rangeAxis = new NumberAxis("Y");
FastScatterPlot plot = new FastScatterPlot(data, domainAxis,
rangeAxis);
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
catch (NullPointerException e) {
fail("No exception should be thrown.");
}
}
Example 5
| Source File: StatisticalBarRendererTest.java From ccu-historian with GNU General Public License v3.0 | 6 votes |
|
/**
* Draws the chart with a <code>null</code> mean value to make sure that
* no exceptions are thrown (particularly by code in the renderer). See
* bug report 1779941.
*/
@Test
public void testDrawWithNullMeanHorizontal() {
try {
DefaultStatisticalCategoryDataset dataset
= new DefaultStatisticalCategoryDataset();
dataset.add(1.0, 2.0, "S1", "C1");
dataset.add(null, new Double(4.0), "S1", "C2");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new StatisticalBarRenderer());
plot.setOrientation(PlotOrientation.HORIZONTAL);
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
catch (NullPointerException e) {
fail("No exception should be thrown.");
}
}
Example 6
| Source File: StatisticalBarRendererTests.java From astor with GNU General Public License v2.0 | 6 votes |
|
/**
* Draws the chart with a <code>null</code> standard deviation to make sure
* that no exceptions are thrown (particularly by code in the renderer).
* See bug report 1779941.
*/
public void testDrawWithNullDeviationHorizontal() {
boolean success = false;
try {
DefaultStatisticalCategoryDataset dataset
= new DefaultStatisticalCategoryDataset();
dataset.add(1.0, 2.0, "S1", "C1");
dataset.add(new Double(4.0), null, "S1", "C2");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new StatisticalBarRenderer());
plot.setOrientation(PlotOrientation.HORIZONTAL);
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
success = true;
}
catch (NullPointerException e) {
e.printStackTrace();
success = false;
}
assertTrue(success);
}
Example 7
| Source File: BoxAndWhiskerRendererTest.java From buffer_bci with GNU General Public License v3.0 | 6 votes |
|
/**
* Draws a chart where the dataset contains a null max outlier value.
*/
@Test
public void testDrawWithNullMaxOutlier() {
boolean success;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(new Double(1.0), new Double(2.0),
new Double(3.0), new Double(4.0), new Double(0.5),
new Double(4.5), new Double(-0.5), null,
new java.util.ArrayList()), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
ChartRenderingInfo info = new ChartRenderingInfo();
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
info);
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
Example 8
| Source File: StatisticalBarRendererTest.java From ccu-historian with GNU General Public License v3.0 | 6 votes |
|
/**
* Draws the chart with a <code>null</code> mean value to make sure that
* no exceptions are thrown (particularly by code in the renderer). See
* bug report 1779941.
*/
@Test
public void testDrawWithNullMeanVertical() {
try {
DefaultStatisticalCategoryDataset dataset
= new DefaultStatisticalCategoryDataset();
dataset.add(1.0, 2.0, "S1", "C1");
dataset.add(null, new Double(4.0), "S1", "C2");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new StatisticalBarRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
catch (NullPointerException e) {
fail("No exception should be thrown.");
}
}
Example 9
| Source File: XYStepAreaRendererTests.java From astor with GNU General Public License v2.0 | 5 votes |
|
/**
* Draws the chart with a <code>null</code> info object to make sure that
* no exceptions are thrown (particularly by code in the renderer).
*/
public void testDrawWithNullInfo() {
boolean success = false;
try {
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
XYSeries s1 = new XYSeries("Series 1", true, false);
s1.add(5.0, 5.0);
s1.add(10.0, 15.5);
s1.add(15.0, 9.5);
s1.add(20.0, 7.5);
dataset.addSeries(s1);
XYSeries s2 = new XYSeries("Series 2", true, false);
s2.add(5.0, 5.0);
s2.add(10.0, 15.5);
s2.add(15.0, 9.5);
s2.add(20.0, 3.5);
dataset.addSeries(s2);
XYPlot plot = new XYPlot(dataset,
new NumberAxis("X"), new NumberAxis("Y"),
new XYStepAreaRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
success = true;
}
catch (NullPointerException e) {
e.printStackTrace();
success = false;
}
assertTrue(success);
}
Example 10
| Source File: XYAreaRendererTest.java From SIMVA-SoS with Apache License 2.0 | 5 votes |
|
/**
* Draws the chart with a <code>null</code> info object to make sure that
* no exceptions are thrown (particularly by code in the renderer).
*/
@Test
public void testDrawWithNullInfo() {
try {
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
XYSeries s1 = new XYSeries("Series 1", true, false);
s1.add(5.0, 5.0);
s1.add(10.0, 15.5);
s1.add(15.0, 9.5);
s1.add(20.0, 7.5);
dataset.addSeries(s1);
XYSeries s2 = new XYSeries("Series 2", true, false);
s2.add(5.0, 5.0);
s2.add(10.0, 15.5);
s2.add(15.0, 9.5);
s2.add(20.0, 3.5);
dataset.addSeries(s2);
XYPlot plot = new XYPlot(dataset,
new NumberAxis("X"), new NumberAxis("Y"),
new XYAreaRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
catch (NullPointerException e) {
fail("No exception should be thrown.");
}
}
Example 11
| Source File: XYStepRendererTests.java From astor with GNU General Public License v2.0 | 5 votes |
|
/**
* Draws the chart with a <code>null</code> info object to make sure that
* no exceptions are thrown (particularly by code in the renderer).
*/
public void testDrawWithNullInfo() {
boolean success = false;
try {
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
XYSeries s1 = new XYSeries("Series 1", true, false);
s1.add(5.0, 5.0);
s1.add(10.0, 15.5);
s1.add(15.0, 9.5);
s1.add(20.0, 7.5);
dataset.addSeries(s1);
XYSeries s2 = new XYSeries("Series 2", true, false);
s2.add(5.0, 5.0);
s2.add(10.0, 15.5);
s2.add(15.0, 9.5);
s2.add(20.0, 3.5);
dataset.addSeries(s2);
XYPlot plot = new XYPlot(dataset,
new NumberAxis("X"), new NumberAxis("Y"),
new XYStepRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
success = true;
}
catch (NullPointerException e) {
e.printStackTrace();
success = false;
}
assertTrue(success);
}
Example 12
| Source File: StackedXYAreaRendererTest.java From ECG-Viewer with GNU General Public License v2.0 | 5 votes |
|
/**
* A test for bug 1593156.
*/
@Test
public void testBug1593156() {
try {
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
XYSeries s1 = new XYSeries("Series 1", true, false);
s1.add(5.0, 5.0);
s1.add(10.0, 15.5);
s1.add(15.0, 9.5);
s1.add(20.0, 7.5);
dataset.addSeries(s1);
XYSeries s2 = new XYSeries("Series 2", true, false);
s2.add(5.0, 5.0);
s2.add(10.0, 15.5);
s2.add(15.0, 9.5);
s2.add(20.0, 3.5);
dataset.addSeries(s2);
StackedXYAreaRenderer renderer = new StackedXYAreaRenderer(
XYAreaRenderer.LINES);
XYPlot plot = new XYPlot(dataset,
new NumberAxis("X"), new NumberAxis("Y"),
renderer);
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
catch (NullPointerException e) {
fail("No exception should be thrown.");
}
}
Example 13
| Source File: XYStepRendererTest.java From openstock with GNU General Public License v3.0 | 5 votes |
|
/**
* Draws the chart with a <code>null</code> value in the dataset to make
* sure that no exceptions are thrown.
*/
@Test
public void testDrawWithNullValue() {
try {
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
XYSeries s1 = new XYSeries("Series 1", true, false);
s1.add(5.0, 5.0);
s1.add(10.0, null);
s1.add(15.0, 9.5);
s1.add(20.0, 7.5);
dataset.addSeries(s1);
XYSeries s2 = new XYSeries("Series 2", true, false);
s2.add(5.0, 5.0);
s2.add(10.0, 15.5);
s2.add(15.0, null);
s2.add(20.0, null);
dataset.addSeries(s2);
XYPlot plot = new XYPlot(dataset,
new NumberAxis("X"), new NumberAxis("Y"),
new XYStepRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
catch (NullPointerException e) {
fail("No exception should be thrown.");
}
}
Example 14
| Source File: XYAreaRendererTests.java From astor with GNU General Public License v2.0 | 5 votes |
|
/**
* Draws the chart with a <code>null</code> info object to make sure that
* no exceptions are thrown (particularly by code in the renderer).
*/
public void testDrawWithNullInfo() {
boolean success = false;
try {
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
XYSeries s1 = new XYSeries("Series 1", true, false);
s1.add(5.0, 5.0);
s1.add(10.0, 15.5);
s1.add(15.0, 9.5);
s1.add(20.0, 7.5);
dataset.addSeries(s1);
XYSeries s2 = new XYSeries("Series 2", true, false);
s2.add(5.0, 5.0);
s2.add(10.0, 15.5);
s2.add(15.0, 9.5);
s2.add(20.0, 3.5);
dataset.addSeries(s2);
XYPlot plot = new XYPlot(dataset,
new NumberAxis("X"), new NumberAxis("Y"),
new XYAreaRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
success = true;
}
catch (NullPointerException e) {
e.printStackTrace();
success = false;
}
assertTrue(success);
}
Example 15
| Source File: XYBoxAnnotationTest.java From ECG-Viewer with GNU General Public License v2.0 | 5 votes |
|
/**
* Draws the chart with a <code>null</code> info object to make sure that
* no exceptions are thrown.
*/
public void testDrawWithNullInfo() {
try {
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
XYSeries s1 = new XYSeries("Series 1", true, false);
s1.add(5.0, 5.0);
s1.add(10.0, 15.5);
s1.add(15.0, 9.5);
s1.add(20.0, 7.5);
dataset.addSeries(s1);
XYSeries s2 = new XYSeries("Series 2", true, false);
s2.add(5.0, 5.0);
s2.add(10.0, 15.5);
s2.add(15.0, 9.5);
s2.add(20.0, 3.5);
dataset.addSeries(s2);
XYPlot plot = new XYPlot(dataset,
new NumberAxis("X"), new NumberAxis("Y"),
new XYLineAndShapeRenderer());
plot.addAnnotation(new XYBoxAnnotation(10.0, 12.0, 3.0, 4.0,
new BasicStroke(1.2f), Color.red, Color.blue));
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
catch (NullPointerException e) {
fail("No exception should be triggered.");
}
}
Example 16
| Source File: StackedXYAreaRendererTest.java From openstock with GNU General Public License v3.0 | 5 votes |
|
/**
* A test for bug 1593156.
*/
@Test
public void testBug1593156() {
try {
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
XYSeries s1 = new XYSeries("Series 1", true, false);
s1.add(5.0, 5.0);
s1.add(10.0, 15.5);
s1.add(15.0, 9.5);
s1.add(20.0, 7.5);
dataset.addSeries(s1);
XYSeries s2 = new XYSeries("Series 2", true, false);
s2.add(5.0, 5.0);
s2.add(10.0, 15.5);
s2.add(15.0, 9.5);
s2.add(20.0, 3.5);
dataset.addSeries(s2);
StackedXYAreaRenderer renderer = new StackedXYAreaRenderer(
XYAreaRenderer.LINES);
XYPlot plot = new XYPlot(dataset,
new NumberAxis("X"), new NumberAxis("Y"),
renderer);
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
catch (NullPointerException e) {
fail("No exception should be thrown.");
}
}
Example 17
| Source File: XYAreaRendererTest.java From ccu-historian with GNU General Public License v3.0 | 5 votes |
|
/**
* Draws the chart with a <code>null</code> info object to make sure that
* no exceptions are thrown (particularly by code in the renderer).
*/
@Test
public void testDrawWithNullInfo() {
try {
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
XYSeries s1 = new XYSeries("Series 1", true, false);
s1.add(5.0, 5.0);
s1.add(10.0, 15.5);
s1.add(15.0, 9.5);
s1.add(20.0, 7.5);
dataset.addSeries(s1);
XYSeries s2 = new XYSeries("Series 2", true, false);
s2.add(5.0, 5.0);
s2.add(10.0, 15.5);
s2.add(15.0, 9.5);
s2.add(20.0, 3.5);
dataset.addSeries(s2);
XYPlot plot = new XYPlot(dataset,
new NumberAxis("X"), new NumberAxis("Y"),
new XYAreaRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
catch (NullPointerException e) {
fail("No exception should be thrown.");
}
}
Example 18
| Source File: XYStepRendererTest.java From ccu-historian with GNU General Public License v3.0 | 5 votes |
|
/**
* Draws the chart with a <code>null</code> info object to make sure that
* no exceptions are thrown (particularly by code in the renderer).
*/
@Test
public void testDrawWithNullInfo() {
try {
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
XYSeries s1 = new XYSeries("Series 1", true, false);
s1.add(5.0, 5.0);
s1.add(10.0, 15.5);
s1.add(15.0, 9.5);
s1.add(20.0, 7.5);
dataset.addSeries(s1);
XYSeries s2 = new XYSeries("Series 2", true, false);
s2.add(5.0, 5.0);
s2.add(10.0, 15.5);
s2.add(15.0, 9.5);
s2.add(20.0, 3.5);
dataset.addSeries(s2);
XYPlot plot = new XYPlot(dataset,
new NumberAxis("X"), new NumberAxis("Y"),
new XYStepRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
catch (NullPointerException e) {
fail("No exception should be thrown.");
}
}
Example 19
| Source File: ServerWideReportManagerImpl.java From sakai with Educational Community License v2.0 | 4 votes |
|
private byte[] createToolAnalysisChart (int width, int height)
{
CategoryDataset dataset = getToolAnalysisDataSet ();
if (dataset == null) {
return generateNoDataChart(width, height);
}
JFreeChart chart = ChartFactory.createBarChart (
null, // chart title
null, // domain axis label
null, // range axis label
dataset, // data
PlotOrientation.HORIZONTAL, // the plot orientation
false, // legend
false, // tooltips
false // urls
);
// set background
chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));
// set chart border
chart.setPadding (new RectangleInsets (10, 5, 5, 5));
chart.setBorderVisible (true);
chart.setBorderPaint (parseColor ("#cccccc"));
// set anti alias
chart.setAntiAlias (true);
CategoryPlot plot = (CategoryPlot) chart.getPlot ();
// set transparency
plot.setForegroundAlpha (0.7f);
plot.setAxisOffset (new RectangleInsets (5.0, 5.0, 5.0, 5.0));
plot.setBackgroundPaint (Color.lightGray);
plot.setDomainGridlinesVisible (false);
plot.setRangeGridlinesVisible (true);
plot.setRangeGridlinePaint (Color.white);
CategoryAxis domainAxis = plot.getDomainAxis();
domainAxis.setVisible(false);
domainAxis.setUpperMargin (0);
domainAxis.setLowerMargin (0);
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setUpperMargin(0.20);
rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());
BarRenderer renderer = (BarRenderer) plot.getRenderer();
CategoryItemLabelGenerator generator
= new StandardCategoryItemLabelGenerator("{1}",
NumberFormat.getInstance(new ResourceLoader().getLocale()));
renderer.setDefaultItemLabelGenerator(generator);
renderer.setDefaultItemLabelFont(new Font("SansSerif", Font.PLAIN, 9));
renderer.setDefaultItemLabelsVisible(true);
renderer.setItemMargin (0);
renderer.setSeriesPaint (0, Color.BLUE);
BufferedImage img = chart.createBufferedImage (width, height);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try{
ImageIO.write(img, "png", out);
}catch(IOException e){
log.warn("Error occurred while generating SiteStats chart image data", e);
}
return out.toByteArray();
}
Example 20
| Source File: ServerWideReportManagerImpl.java From sakai with Educational Community License v2.0 | 4 votes |
|
private byte[] generateLayeredBarChart (CategoryDataset dataset, int width, int height)
{
JFreeChart chart = ChartFactory.createBarChart (null, // chart title
null, // domain axis label
null, // range axis label
dataset, // data
PlotOrientation.VERTICAL, // the plot orientation
true, // legend
true, // tooltips
false // urls
);
// set background
chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));
// set chart border
chart.setPadding (new RectangleInsets (10, 5, 5, 5));
chart.setBorderVisible (true);
chart.setBorderPaint (parseColor ("#cccccc"));
// set anti alias
chart.setAntiAlias (true);
CategoryPlot plot = (CategoryPlot) chart.getPlot ();
// disable bar outlines...
LayeredBarRenderer renderer = new LayeredBarRenderer ();
renderer.setDrawBarOutline (false);
renderer.setSeriesBarWidth (0, .6);
renderer.setSeriesBarWidth (1, .8);
renderer.setSeriesBarWidth (2, 1.0);
plot.setRenderer (renderer);
// for this renderer, we need to draw the first series last...
plot.setRowRenderingOrder (SortOrder.DESCENDING);
// 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 = (CategoryAxis) plot.getDomainAxis ();
domainAxis.setCategoryLabelPositions (CategoryLabelPositions.DOWN_45);
domainAxis.setLowerMargin (0.0);
domainAxis.setUpperMargin (0.0);
BufferedImage img = chart.createBufferedImage (width, height);
final ByteArrayOutputStream out = new ByteArrayOutputStream();
try{
ImageIO.write(img, "png", out);
}catch(IOException e){
log.warn("Error occurred while generating SiteStats chart image data", e);
}
return out.toByteArray();
}
