public ShortfallChartDataModel(String theLegendTitle, RequisitionsChartDataModel reqDM,
public ShortfallChartDataModel(RequisitionsChartDataModel reqDM,
    public ShortfallChartDataModel(String theLegendTitle,				   RequisitionsChartDataModel reqDM,				   ProjectionsChartDataModel projDM) {	inventory = null;	legendTitle = theLegendTitle;	reqModel = reqDM;	projModel = projDM;	nSeries = 1;	seriesLabels = new String[nSeries];	seriesLabels[0] = SHORTFALL_SERIES_LABEL;	logger = Logging.getLogger(this);	initValues();    }