private static JFreeChart createChart(TableXYDataset tablexydataset) {
DateAxis dateaxis = new DateAxis("Date");
dateaxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);
dateaxis.setLowerMargin(0.01D);
dateaxis.setUpperMargin(0.01D);
NumberAxis numberaxis = new NumberAxis("Count");
numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
numberaxis.setUpperMargin(0.10000000000000001D);
StackedXYBarRenderer stackedxybarrenderer = new StackedXYBarRenderer(0.14999999999999999D);
stackedxybarrenderer.setDrawBarOutline(false);
stackedxybarrenderer.setBaseItemLabelsVisible(true);
stackedxybarrenderer.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator());
stackedxybarrenderer.setBasePositiveItemLabelPosition(
new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BOTTOM_CENTER));
stackedxybarrenderer.setBaseToolTipGenerator(
new StandardXYToolTipGenerator(
"{0} : {1} = {2}", new SimpleDateFormat("yyyy"), new DecimalFormat("0")));
XYPlot xyplot = new XYPlot(tablexydataset, dateaxis, numberaxis, stackedxybarrenderer);
JFreeChart jfreechart = new JFreeChart("Holes-In-One / Double Eagles", xyplot);
jfreechart.removeLegend();
jfreechart.addSubtitle(new TextTitle("PGA Tour, 1983 to 2003"));
TextTitle texttitle =
new TextTitle(
"http://www.golfdigest.com/majors/masters/index.ssf?/majors/masters/gw20040402albatross.html",
new Font("Dialog", 0, 8));
jfreechart.addSubtitle(texttitle);
jfreechart.setTextAntiAlias(RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT);
LegendTitle legendtitle = new LegendTitle(xyplot);
legendtitle.setBackgroundPaint(Color.white);
legendtitle.setFrame(new BlockBorder());
legendtitle.setPosition(RectangleEdge.BOTTOM);
jfreechart.addSubtitle(legendtitle);
return jfreechart;
}
private JFreeChart createChart(IntervalXYDataset intervalxydataset) {
JFreeChart jfreechart =
ChartFactory.createXYBarChart(
frameTitle,
X_LABEL,
true,
Y_LABEL,
intervalxydataset,
PlotOrientation.VERTICAL,
true,
false,
false);
jfreechart.addSubtitle(new TextTitle(SUB_TITLE, new Font("Dialog", 2, 10)));
jfreechart.setBackgroundPaint(Color.white);
XYPlot xyplot = (XYPlot) jfreechart.getPlot();
XYBarRenderer xybarrenderer = (XYBarRenderer) xyplot.getRenderer();
StandardXYToolTipGenerator standardxytooltipgenerator =
new StandardXYToolTipGenerator(
"{1} = {2}", new SimpleDateFormat("yyyy"), new DecimalFormat("0"));
xybarrenderer.setBaseToolTipGenerator(standardxytooltipgenerator);
xybarrenderer.setMargin(0.10000000000000001D);
xyplot.setBackgroundPaint(Color.lightGray);
xyplot.setRangeGridlinePaint(Color.white);
DateAxis dateaxis = (DateAxis) xyplot.getDomainAxis();
dateaxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);
dateaxis.setLowerMargin(0.01D);
dateaxis.setUpperMargin(0.01D);
return jfreechart;
}
public PrecisionErrorChart() {
super(new BorderLayout());
timeseriescollectionPrecisionError = new TimeSeriesCollection();
DateAxis dateaxis = new DateAxis("Time (hh:mm:ss)");
dateaxis.setTickLabelFont(new Font("SansSerif", 0, 12));
dateaxis.setLabelFont(new Font("SansSerif", 0, 14));
dateaxis.setAutoRange(true);
dateaxis.setUpperMargin(0.3D);
dateaxis.setTickLabelsVisible(true);
NumberAxis numberaxis = new NumberAxis("Precision error (ms)");
numberaxis.setTickLabelFont(new Font("SansSerif", 0, 12));
numberaxis.setLabelFont(new Font("SansSerif", 0, 14));
numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
numberaxis.setRangeWithMargins(-100.0, 100.0);
XYLineAndShapeRenderer xylineandshaperenderer = new XYLineAndShapeRenderer(true, false);
xylineandshaperenderer.setSeriesPaint(0, Color.blue);
xylineandshaperenderer.setSeriesPaint(1, Color.red);
xylineandshaperenderer.setSeriesPaint(2, Color.green);
xylineandshaperenderer.setSeriesPaint(3, Color.pink);
xylineandshaperenderer.setSeriesPaint(4, Color.magenta);
xylineandshaperenderer.setSeriesPaint(5, Color.cyan);
xylineandshaperenderer.setSeriesStroke(0, new BasicStroke(0.7F, 0, 2));
xylineandshaperenderer.setSeriesStroke(1, new BasicStroke(0.7F, 0, 2));
xylineandshaperenderer.setBaseShapesVisible(true);
XYPlot xyplot =
new XYPlot(
timeseriescollectionPrecisionError, dateaxis, numberaxis, xylineandshaperenderer);
xyplot.setBackgroundPaint(Color.lightGray);
xyplot.setDomainGridlinePaint(Color.white);
xyplot.setRangeGridlinePaint(Color.white);
xyplot.setAxisOffset(new RectangleInsets(5D, 5D, 5D, 5D));
xyplot.setDomainGridlinesVisible(true);
JFreeChart jfreechart =
new JFreeChart("Time Precision Error", new Font("SansSerif", 1, 24), xyplot, true);
jfreechart.setBackgroundPaint(Color.white);
ChartPanel chartpanel = new ChartPanel(jfreechart, true);
add(chartpanel);
}
/**
* Creates a sample chart.
*
* @param dataset the dataset for the chart.
* @return a sample chart.
*/
private static JFreeChart createChart(TableXYDataset dataset) {
DateAxis domainAxis = new DateAxis("Year");
domainAxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);
domainAxis.setLowerMargin(0.01);
domainAxis.setUpperMargin(0.01);
NumberAxis rangeAxis = new NumberAxis("Tonnes");
// rangeAxis.setStandardTickUnits(NumberAxis.createStandardTickUnits());
rangeAxis.setNumberFormatOverride(new DecimalFormat("0.0%"));
StackedXYBarRenderer renderer = new StackedXYBarRenderer(0.30);
renderer.setRenderAsPercentages(true);
renderer.setDrawBarOutline(false);
renderer.setBaseToolTipGenerator(
new StandardXYToolTipGenerator(
"{0} : {1} = {2} tonnes", new SimpleDateFormat("yyyy"), new DecimalFormat("#,##0")));
XYPlot plot = new XYPlot(dataset, domainAxis, rangeAxis, renderer);
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
JFreeChart chart = new JFreeChart("Waste Management", plot);
chart.setBackgroundPaint(Color.white);
chart.addSubtitle(new TextTitle("St Albans City and District Council"));
ChartUtilities.applyCurrentTheme(chart);
GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, new Color(64, 0, 0), 0.0f, 0.0f, Color.red);
GradientPaint gp1 = new GradientPaint(0.0f, 0.0f, new Color(0, 64, 0), 0.0f, 0.0f, Color.green);
renderer.setSeriesPaint(0, gp0);
renderer.setSeriesPaint(1, gp1);
renderer.setGradientPaintTransformer(
new StandardGradientPaintTransformer(GradientPaintTransformType.HORIZONTAL));
return chart;
}
private ChartPanel getChartPanel(DefaultXYZDataset dataset, int i) {
String key = (String) dataset.getSeriesKey(0);
DateAxis yAxis = new DateAxis("Date");
yAxis.setLowerMargin(0.0);
yAxis.setUpperMargin(0.0);
yAxis.setTickUnit(new DateTickUnit(DateTickUnit.DAY, 1));
NumberAxis xAxis = new NumberAxis("Hour");
xAxis.setUpperMargin(0.0);
xAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
XYBlockRenderer renderer = new XYBlockRenderer();
renderer.setBlockWidth(1000.0 * 60.0 * 60.0 * 24.0);
renderer.setBlockAnchor(RectangleAnchor.BOTTOM_LEFT);
// range scaling
PaintScale paintScale;
if (colorSort.getValue().equals("gray")) // gray scaling
{
paintScale = new GrayPaintScale(0.0, maxArray[i]);
} else {
int color_max, color_min;
if (colorSort.getValue().equals("red")) { // red scaling
color_max = 0xFF33FF;
color_min = 0xFF3300;
} else if (colorSort.getValue().equals("blue")) { // blue scaling
color_max = 0x0033FF;
color_min = 0x003300;
} else { // yellow scaling
color_max = 0xFFFFFF;
color_min = 0xFFFF00;
}
paintScale = new LookupPaintScale(0.0, maxArray[i], new Color(color_max));
int d = Math.max((color_max - color_min) / ((int) maxArray[i] + 1), 1);
for (int k = 0; k <= maxArray[i]; k++) {
((LookupPaintScale) paintScale)
.add(new Double(k + 0.5), new Color(color_max - (k + 1) * d));
}
}
renderer.setPaintScale(paintScale);
XYPlot plot = new XYPlot(dataset, yAxis, xAxis, renderer);
plot.setOrientation(PlotOrientation.HORIZONTAL);
plot.setBackgroundPaint(Color.lightGray);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setForegroundAlpha(0.66F);
JFreeChart chart = new JFreeChart(key, plot);
chart.removeLegend();
chart.setBackgroundPaint(Color.white);
// adding data ranges
NumberAxis scaleAxis = new NumberAxis(null);
scaleAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
scaleAxis.setLowerBound(0.0);
scaleAxis.setUpperBound(maxArray[i]);
PaintScaleLegend psl = new PaintScaleLegend(paintScale, scaleAxis);
psl.setAxisOffset(5.0);
psl.setPosition(RectangleEdge.BOTTOM);
psl.setMargin(new RectangleInsets(5, 5, 5, 5));
chart.addSubtitle(psl);
ChartPanel chartPanel = new ChartPanel(chart);
chartPanel.setBorder(BorderFactory.createLineBorder(Color.lightGray));
return chartPanel;
}
/**
* Creates an overlaid chart.
*
* @return The chart.
*/
private static JFreeChart createCombinedChart() {
// create plot ...
IntervalXYDataset data1 = createDataset1();
XYItemRenderer renderer1 = new XYLineAndShapeRenderer(true, false);
renderer1.setBaseToolTipGenerator(
new StandardXYToolTipGenerator(
StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
new SimpleDateFormat("d-MMM-yyyy"),
new DecimalFormat("0.00")));
renderer1.setSeriesStroke(
0, new BasicStroke(4.0f, BasicStroke.CAP_ROUND, BasicStroke.JOIN_BEVEL));
renderer1.setSeriesPaint(0, Color.blue);
DateAxis domainAxis = new DateAxis("Year");
domainAxis.setLowerMargin(0.0);
domainAxis.setUpperMargin(0.02);
ValueAxis rangeAxis = new NumberAxis("$billion");
XYPlot plot1 = new XYPlot(data1, null, rangeAxis, renderer1);
plot1.setBackgroundPaint(Color.lightGray);
plot1.setDomainGridlinePaint(Color.white);
plot1.setRangeGridlinePaint(Color.white);
// add a second dataset and renderer...
IntervalXYDataset data2 = createDataset2();
XYBarRenderer renderer2 =
new XYBarRenderer() {
public Paint getItemPaint(int series, int item) {
XYDataset dataset = getPlot().getDataset();
if (dataset.getYValue(series, item) >= 0.0) {
return Color.red;
} else {
return Color.green;
}
}
};
renderer2.setSeriesPaint(0, Color.red);
renderer2.setDrawBarOutline(false);
renderer2.setBaseToolTipGenerator(
new StandardXYToolTipGenerator(
StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,
new SimpleDateFormat("d-MMM-yyyy"),
new DecimalFormat("0.00")));
XYPlot plot2 = new XYPlot(data2, null, new NumberAxis("$billion"), renderer2);
plot2.setBackgroundPaint(Color.lightGray);
plot2.setDomainGridlinePaint(Color.white);
plot2.setRangeGridlinePaint(Color.white);
CombinedDomainXYPlot cplot = new CombinedDomainXYPlot(domainAxis);
cplot.add(plot1, 3);
cplot.add(plot2, 2);
cplot.setGap(8.0);
cplot.setDomainGridlinePaint(Color.white);
cplot.setDomainGridlinesVisible(true);
cplot.setDomainPannable(true);
// return a new chart containing the overlaid plot...
JFreeChart chart =
new JFreeChart("United States Public Debt", JFreeChart.DEFAULT_TITLE_FONT, cplot, false);
TextTitle source =
new TextTitle(
"Source: http://www.publicdebt.treas.gov/opd/opdhisms.htm",
new Font("Dialog", Font.PLAIN, 10));
source.setPosition(RectangleEdge.BOTTOM);
source.setHorizontalAlignment(HorizontalAlignment.RIGHT);
chart.addSubtitle(source);
LegendTitle legend = new LegendTitle(cplot);
chart.addSubtitle(legend);
ChartUtilities.applyCurrentTheme(chart);
renderer2.setBarPainter(new StandardXYBarPainter());
renderer2.setShadowVisible(false);
return chart;
}
public String generateXYAreaChart(
HttpSession session, PrintWriter pw, String courseId, int studentId) {
String filename = null;
/* int groupId=0;
if (groupName.equals("All")){
groupId=0;
}else{
groupId = studStatisticBean.getGroupIdByName(groupName);
}*/
try {
// Retrieve list of WebHits for each section and populate a TableXYDataset
StudentsConceptChartDataSet cDataSet =
new StudentsConceptChartDataSet(studStatisticBean, courseId, studentId);
// cDataSet.setStudentStatisticBeanIdRef(studStatisticBean);
ArrayList sections = cDataSet.getSections();
Iterator sectionIter = sections.iterator();
DefaultTableXYDataset dataset = new DefaultTableXYDataset();
while (sectionIter.hasNext()) {
String section = (String) sectionIter.next();
ArrayList list = cDataSet.getDataByHitConcept(section);
XYSeries dataSeries = new XYSeries(section, true, false);
Iterator webHitIter = list.iterator();
while (webHitIter.hasNext()) {
StudentsConceptHit cHit = (StudentsConceptHit) webHitIter.next();
dataSeries.add(cHit.getOrdNumb(), cHit.getHitDegree());
}
dataset.addSeries(dataSeries);
}
// Throw a custom NoDataException if there is no data
if (dataset.getItemCount() == 0) {
System.out.println("No data has been found");
throw new NoDataException();
}
// Create tooltip and URL generators
SimpleDateFormat sdf = new SimpleDateFormat("dd-MMM-yyyy", Locale.UK);
StandardXYToolTipGenerator ttg =
new StandardXYToolTipGenerator(
StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT, sdf, NumberFormat.getInstance());
TimeSeriesURLGenerator urlg =
new TimeSeriesURLGenerator(sdf, "bar_chart.jsp", "series", "hitDate");
// Create the X-Axis
DateAxis xAxis = new DateAxis(null);
xAxis.setLowerMargin(0.0);
xAxis.setUpperMargin(0.0);
// Create the X-Axis
NumberAxis yAxis = new NumberAxis(null);
yAxis.setAutoRangeIncludesZero(true);
// Create the renderer
StackedXYAreaRenderer renderer =
new StackedXYAreaRenderer(XYAreaRenderer.AREA_AND_SHAPES, ttg, urlg);
renderer.setSeriesPaint(0, new Color(255, 255, 180));
renderer.setSeriesPaint(1, new Color(206, 230, 255));
renderer.setSeriesPaint(2, new Color(255, 230, 230));
renderer.setSeriesPaint(3, new Color(206, 255, 206));
renderer.setShapePaint(Color.gray);
renderer.setShapeStroke(new BasicStroke(0.5f));
renderer.setShape(new Ellipse2D.Double(-3, -3, 6, 6));
renderer.setOutline(true);
// Create the plot
XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
plot.setForegroundAlpha(0.65f);
// Reconfigure Y-Axis so the auto-range knows that the data is stacked
yAxis.configure();
// Create the chart
JFreeChart chart = new JFreeChart(null, JFreeChart.DEFAULT_TITLE_FONT, plot, true);
chart.setBackgroundPaint(java.awt.Color.white);
// Write the chart image to the temporary directory
ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
filename = ServletUtilities.saveChartAsPNG(chart, 600, 400, info, session);
// Write the image map to the PrintWriter
ChartUtilities.writeImageMap(pw, filename, info);
pw.flush();
} catch (NoDataException e) {
System.out.println(e.toString());
filename = "public_nodata_500x300.png";
} catch (Exception e) {
System.out.println("Exception - " + e.toString());
e.printStackTrace(System.out);
filename = "public_error_500x300.png";
}
return filename;
}
