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Spline Charts

Spline charts allow you to take a limited set of known data points and approximate intervening values.  In practice you define a series of chart items with X/Y values and RadChart does the rest. 

To create a simple vertical Spline Chart set the SeriesOrientation property to Vertical. Set the RadChart DefaultType property or ChartSeries.Type to Spline. Create a series and add chart items with Y or X and Y values.

chart-undestanding-radchart-types-spline-charts 001

To create a simple horizontal Spline Chart set the SeriesOrientation property to Horizontal. Set the RadChart DefaultType property or ChartSeries.Type to Spline. Create a series and add 3 or more chart items with X and Y values.

YValue XValue
20 50
50 -10
70 100
80 50

chart-undestanding-radchart-types-spline-charts 002

Another example showing the same Y data points as above, but with no X values defined displays an automatic even progression over the X axis.

YValue
20
50
70
80

chart-undestanding-radchart-types-spline-charts 003