BCGSuite for MFC
CBCGPPoint CBCGPChartTernaryAxis::PointFromChartData ( const CBCGPChartData data)

Given a Chart Data returns a point in Chart client coordinates.

Use this method to calculate a point in Chart client coordinates from Chart Data. The data should contain Y, Y1 and Y2 values (all ternary values required to display a ternary data point).

Parameters
dataSpecifies the data.