Depth Percent - defines the area in the series in percents of the series size along the depth axis.
Drop Lines - when checked, displays vertical lines at each data point, which connect the data point value with the area base line.
Smooth area series are created for values data groupings displayed in combo charts, the Series Type of which is set to Smooth Area.
Depth Percent - defines the area in the series in percents of the series size along the depth axis.
Drop Lines - when checked, displays vertical lines at each data point, which connect the data point value with the area base line.
Smooth area series always support the Value and Label data point values. If the Combo Chart Subtype is set to XY Scatter, the smooth area series will accept a X data point value.