private JFreeChart buildDifferenceChart(TimeSeriesCollection dataset, String title) {
// Creat the chart
JFreeChart chart =
ChartFactory.createTimeSeriesChart(
title,
"Date",
"Price",
dataset,
true, // legend
true, // tool tips
false // URLs
);
chart.setBackgroundPaint(Color.white);
XYPlot plot = chart.getXYPlot();
plot.setRenderer(
new XYDifferenceRenderer(new Color(112, 128, 222), new Color(112, 128, 222), false));
plot.setBackgroundPaint(Color.white);
plot.setDomainGridlinePaint(Color.white);
plot.setRangeGridlinePaint(Color.white);
plot.setAxisOffset(new RectangleInsets(UnitType.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
ValueAxis domainAxis = new DateAxis("Date");
domainAxis.setLowerMargin(0.0);
domainAxis.setUpperMargin(0.0);
plot.setDomainAxis(domainAxis);
plot.setForegroundAlpha(0.5f);
return chart;
}
/**
* 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;
}
/**
* 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;
}
}