series = new TimeSeries(seriesName, getTimePeriod());
timeSeriesDataset.addSeries(series);
seriesMap.put(seriesName, series);
}
final RegularTimePeriod regularTimePeriod =
RegularTimePeriod.createInstance(getTimePeriod(), timeValue, TimeZone.getDefault());
final TimeSeriesDataItem timeSeriesDataItem = new TimeSeriesDataItem(regularTimePeriod, value);
series.add(timeSeriesDataItem);
}