[vtkusers] Meaning of midpoint and sharpness in vtkPiecewiseFunction

Massimo Bortolato massimo.bortolato at gmail.com
Fri Jul 27 08:27:56 EDT 2012

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Hi all,

what is the meaning (ie math formula) of "midpoint" and "sharpness" in 
method vtkPiecewiseFunction::AddPoint and/or 
vtkColorTransferFunction::AddRGBPoint?

Thanks,
Massimo

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