/**
* precondition : 'attribute' MUST contain number values only
*
* @param cases
* @param attribute
* @return DefaultXYDataset with all values of 'attribute' against event numbers or timestamps.
*/
private XYSeriesCollection getDataAttributes(
String[] attributes, boolean byTime, double timesize) {
XYSeriesCollection result = new XYSeriesCollection();
for (int index = 0; index < attributes.length; index++) {
String attribute = attributes[index];
Integer i = 0;
XYSeries row = new XYSeries(attribute);
for (ProcessInstance pi : mylog.getInstances()) {
Integer x = 0; // count event number
Date begin = pi.getAuditTrailEntries().first().getTimestamp(); // starting
// time
// of
// process
// instance
for (AuditTrailEntry ate : pi.getListOfATEs()) {
if (ate.getAttributes().containsKey(attribute)) {
Double val;
val = Double.valueOf(ate.getAttributes().get(attribute));
if (byTime) {
row.add(timediff(begin, ate.getTimestamp()) / timesize, val.doubleValue());
} else {
row.add(x.doubleValue(), val.doubleValue());
}
}
x++; // event number in case
}
i++; // case number
}
result.addSeries(row);
}
return result;
}
/** Creates fundamental diagram chart. */
private JFreeChart makeFDChart() {
updateFDSeries();
XYSeriesCollection dataset = new XYSeriesCollection();
dataset.addSeries(ffFD);
dataset.addSeries(cFD);
dataset.addSeries(cdFD);
JFreeChart chart =
ChartFactory.createXYLineChart(
null, // chart title
"Density (vpm)", // x axis label
"Flow (vph)", // y axis label
dataset, // data
PlotOrientation.VERTICAL,
false, // include legend
false, // tooltips
false // urls
);
XYPlot plot = (XYPlot) chart.getPlot();
plot.getRenderer().setSeriesPaint(0, Color.GREEN);
plot.getRenderer().setSeriesPaint(1, Color.RED);
plot.getRenderer().setSeriesPaint(2, Color.BLUE);
plot.getRenderer().setStroke(new BasicStroke(2));
return chart;
}
private IntervalXYDataset getHistrogrammedDataAttributes(
String[] attributes, long barsize, long timesize) {
IntervalXYDataset dataset = null;
if (no_intervals) {
dataset = new XYSeriesCollection();
} else {
dataset = new YIntervalSeriesCollection();
}
for (int index = 0; index < attributes.length; index++) {
Histogram histogram = new Histogram(barsize);
String attribute = attributes[index];
for (ProcessInstance pi : mylog.getInstances()) {
Date begin;
try {
begin = pi.getAuditTrailEntryList().get(0).getTimestamp();
} catch (Exception e) {
Message.add(e.getMessage(), Message.ERROR);
return null;
} // starting time of process instance
int j = 0;
for (AuditTrailEntry ate : pi.getListOfATEs()) {
if (ate.getAttributes().containsKey(attribute)) {
Double val;
val = Double.valueOf(ate.getAttributes().get(attribute));
if (xbox.getSelectedIndex() == 2) {
histogram.addValue(j, val);
}
if (xbox.getSelectedIndex() == 3) {
histogram.addValue(timediff(begin, ate.getTimestamp()), val);
}
j++;
}
}
}
if (no_intervals) {
((XYSeriesCollection) dataset).addSeries(histogram.getXYSeries(attribute, timesize));
} else {
((YIntervalSeriesCollection) dataset)
.addSeries(histogram.getYIntervalSeries(attribute, timesize));
}
}
return dataset;
}