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 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;
}
/**
* temporal helper function
*
* @param dataset
* @return
*/
private JFreeChart createChart(TimeSeriesCollection dataset) {
NumberAxis axis = new NumberAxis(null);
axis.setAutoRangeIncludesZero(false);
// parent=new CombinedRangeXYPlot(axis);
// chart = null;
// XYPlot plot2=new XYPlot(dataset2, new DateAxis(null), null, new StandardXYItemRenderer());
// XYPlot subplot2=new XYPldt(dataset2, new DateAxis("Date 2"), null, )
// parent.add(subplot1);
// parent.add(subplot2);
// chart=new JFreeChart(null, null, parent, false);
chart = ChartFactory.createTimeSeriesChart(null, "", "", dataset, false, false, false);
XYPlot plot1 = chart.getXYPlot();
plot1.setDataset(dataset);
plot1.setRenderer(new StandardXYItemRenderer());
plot1.setSecondaryDataset(0, hld);
CandlestickRenderer c1 = new CandlestickRenderer();
// c1.setAutoWidthFactor(1.0);
// c1.setAutoWidthGap(0.1);
c1.setBasePaint(new Color(255, 255, 255));
c1.setBaseOutlinePaint(new Color(255, 255, 255));
c1.setPaint(new Color(255, 255, 255));
c1.setUpPaint(new Color(255, 0, 0, 80));
c1.setDownPaint(new Color(0, 255, 0, 80));
plot1.setSecondaryRenderer(0, c1);
// plot1.setSecondaryDataset(0, dataset2);
XYDotRenderer xd1 = new XYDotRenderer();
// plot1.setSecondaryRenderer(0, new AreaXYRenderer(AreaXYRenderer.AREA_AND_SHAPES));
// plot1.setSecondaryRenderer(0, xd1);
// chart=new JFreeChart("", null, plot1, false);
chart.setBackgroundPaint(new Color(0, 0, 0));
return chart;
}
public MyDemoPanel() {
super(new BorderLayout());
lastValue = new double[3];
CombinedDomainXYPlot combineddomainxyplot = new CombinedDomainXYPlot(new DateAxis("Time"));
datasets = new TimeSeriesCollection[3];
for (int i = 0; i < 3; i++) {
lastValue[i] = 100D;
TimeSeries timeseries = new TimeSeries("Random " + i);
datasets[i] = new TimeSeriesCollection(timeseries);
NumberAxis numberaxis = new NumberAxis("Y" + i);
numberaxis.setAutoRangeIncludesZero(false);
XYPlot xyplot = new XYPlot(datasets[i], null, numberaxis, new StandardXYItemRenderer());
xyplot.setBackgroundPaint(Color.lightGray);
xyplot.setDomainGridlinePaint(Color.white);
xyplot.setRangeGridlinePaint(Color.white);
combineddomainxyplot.add(xyplot);
}
JFreeChart jfreechart = new JFreeChart("Dynamic Data Demo 3", combineddomainxyplot);
addChart(jfreechart);
LegendTitle legendtitle = (LegendTitle) jfreechart.getSubtitle(0);
legendtitle.setPosition(RectangleEdge.RIGHT);
legendtitle.setMargin(new RectangleInsets(UnitType.ABSOLUTE, 0.0D, 4D, 0.0D, 4D));
jfreechart.setBorderPaint(Color.black);
jfreechart.setBorderVisible(true);
ValueAxis valueaxis = combineddomainxyplot.getDomainAxis();
valueaxis.setAutoRange(true);
valueaxis.setFixedAutoRange(20000D);
ChartUtilities.applyCurrentTheme(jfreechart);
ChartPanel chartpanel = new ChartPanel(jfreechart);
add(chartpanel);
JPanel jpanel = new JPanel(new FlowLayout());
for (int j = 0; j < 3; j++) {
JButton jbutton1 = new JButton("Series " + j);
jbutton1.setActionCommand("ADD_DATA_" + j);
jbutton1.addActionListener(this);
jpanel.add(jbutton1);
}
JButton jbutton = new JButton("ALL");
jbutton.setActionCommand("ADD_ALL");
jbutton.addActionListener(this);
jpanel.add(jbutton);
add(jpanel, "South");
chartpanel.setPreferredSize(new Dimension(500, 470));
chartpanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
}
/**
* Create the charts
*
* @throws RemoteException On badness
* @throws VisADException On badness
*/
public void loadData() throws VisADException, RemoteException {
createChart();
List dataChoiceWrappers = getDataChoiceWrappers();
try {
for (int dataSetIdx = 0; dataSetIdx < plot.getDatasetCount(); dataSetIdx++) {
MyHistogramDataset dataset = (MyHistogramDataset) plot.getDataset(dataSetIdx);
dataset.removeAllSeries();
}
// dataset.removeAllSeries();
Hashtable props = new Hashtable();
props.put(TrackDataSource.PROP_TRACKTYPE, TrackDataSource.ID_TIMETRACE);
for (int paramIdx = 0; paramIdx < dataChoiceWrappers.size(); paramIdx++) {
DataChoiceWrapper wrapper = (DataChoiceWrapper) dataChoiceWrappers.get(paramIdx);
DataChoice dataChoice = wrapper.getDataChoice();
FlatField data = getFlatField((FieldImpl) dataChoice.getData(null, props));
Unit unit = ucar.visad.Util.getDefaultRangeUnits((FlatField) data)[0];
double[][] samples = data.getValues(false);
double[] actualValues = filterData(samples[0], getTimeValues(samples, data))[0];
NumberAxis domainAxis = new NumberAxis(wrapper.getLabel(unit));
XYItemRenderer renderer;
if (stacked) {
renderer = new StackedXYBarRenderer();
} else {
renderer = new XYBarRenderer();
}
plot.setRenderer(paramIdx, renderer);
Color c = wrapper.getColor(paramIdx);
domainAxis.setLabelPaint(c);
renderer.setSeriesPaint(0, c);
MyHistogramDataset dataset = new MyHistogramDataset();
dataset.setType(HistogramType.FREQUENCY);
dataset.addSeries(dataChoice.getName() + " [" + unit + "]", actualValues, bins);
plot.setDomainAxis(paramIdx, domainAxis, false);
plot.mapDatasetToDomainAxis(paramIdx, paramIdx);
plot.setDataset(paramIdx, dataset);
}
} catch (Exception exc) {
LogUtil.logException("Error creating data set", exc);
return;
}
}
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;
}
public String generateXYChart(
String section, HttpSession session, PrintWriter pw, String courseId, int studentId) {
/*int groupId=0;
if (groupName.equals("All")){
groupId=0;
}else{
groupId = studStatisticBean.getGroupIdByName(groupName);
}*/
String filename = null;
try {
// Retrieve list of WebHits
StudentsConceptChartDataSet cDataSet =
new StudentsConceptChartDataSet(studStatisticBean, courseId, studentId);
ArrayList list = cDataSet.getDataByHitConcept(section);
// Throw a custom NoDataException if there is no data
if (list.size() == 0) {
System.out.println("No data has been found");
throw new NoDataException();
}
// Create and populate an XYSeries Collection
XYSeries dataSeries = new XYSeries("Students progress line");
Iterator iter = list.listIterator();
while (iter.hasNext()) {
StudentsConceptHit ch = (StudentsConceptHit) iter.next();
dataSeries.add(ch.getOrdNumb(), ch.getHitDegree());
}
XYSeriesCollection xyDataset = new XYSeriesCollection(dataSeries);
NumberFormat nf = NumberFormat.getIntegerInstance();
NumberFormat nf2 = NumberFormat.getInstance();
String cTitle = null;
// StandardXYToolTipGenerator ttg = new
// StandardXYToolTipGenerator(StandardXYToolTipGenerator.DEFAULT_TOOL_TIP_FORMAT,nf,nf2);
CustomXYToolTipGenerator ttg = new CustomXYToolTipGenerator();
ttg.addToolTipSeries(cDataSet.getConceptNames());
StandardXYURLGenerator sxyUrlGen =
new StandardXYURLGenerator("#", xyDataset.getSeriesName(0), "PassedConceptOrdNum");
ValueAxis ordNumAxis = new NumberAxis("Concept ordinal number");
NumberAxis valueAxis = new NumberAxis("Current knowledge");
// valueAxis.setAutoRangeIncludesZero(true);
valueAxis.setRange(0.0, 6.0); // override default
ordNumAxis.setAutoRange(true);
ordNumAxis.setLowerMargin(0.0);
StandardXYItemRenderer renderer =
new StandardXYItemRenderer(
StandardXYItemRenderer.LINES + StandardXYItemRenderer.SHAPES, ttg, sxyUrlGen);
Marker marker = new ValueMarker(1.50); // /
Marker marker2 = new ValueMarker(2.50);
Marker marker3 = new ValueMarker(3.50);
Marker marker4 = new ValueMarker(4.50);
Marker marker5 = new ValueMarker(5.00);
renderer.setShapesFilled(true);
XYPlot plot = new XYPlot(xyDataset, ordNumAxis, valueAxis, renderer);
plot.addRangeMarker(marker);
plot.addRangeMarker(marker2);
plot.addRangeMarker(marker3);
plot.addRangeMarker(marker4);
plot.addRangeMarker(marker5);
XYTextAnnotation xyBad = new XYTextAnnotation("Bad", 1, 1);
xyBad.setX(0.2);
xyBad.setY(0.75);
XYTextAnnotation xyNotBad = new XYTextAnnotation("Not Bad", 1, 1);
xyNotBad.setX(0.2);
xyNotBad.setY(2);
XYTextAnnotation xyGood = new XYTextAnnotation("Good", 1, 1);
xyGood.setX(0.2);
xyGood.setY(3);
XYTextAnnotation xyVeryGood = new XYTextAnnotation("Very Good", 1, 1);
xyVeryGood.setX(0.2);
xyVeryGood.setY(4);
XYTextAnnotation xyExcellent = new XYTextAnnotation("Excellent", 1, 1);
xyExcellent.setX(0.2);
xyExcellent.setY(4.75);
XYTextAnnotation xyExpert = new XYTextAnnotation("Expert", 1, 1);
xyExpert.setX(0.2);
xyExpert.setY(5.25);
plot.addAnnotation(xyBad);
plot.addAnnotation(xyNotBad);
plot.addAnnotation(xyGood);
plot.addAnnotation(xyVeryGood);
plot.addAnnotation(xyExcellent);
plot.addAnnotation(xyExpert);
JFreeChart chart = new JFreeChart("", 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;
}
