dataset.getX(series, item), dataset.getY(series, item), dataset.getZ(series, item),
IntegerCache.getInteger(series), dataset.getSeriesKey(series),
IntegerCache.getInteger(dataset.getSeriesCount()),
IntegerCache.getInteger(item), IntegerCache.getInteger(dataset.getItemCount(series))
};
formulaExpression.setRuntime(new WrapperExpressionRuntime
(new StaticDataRow(ADDITIONAL_COLUMN_KEYS, values), runtime));
final Object o = formulaExpression.getValue();
if (o == null)
{
return null;