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Hints on scripting NURBS?


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"GetParameterOnNurbsCurve (h:HANDLE;pointX:REAL;pointY:REAL;pointZ:REAL;VAR?parameter:REAL;VAR?index:LONGINT) :BOOLEAN ;

Description:

Given a NURBS curve handle and a point (in world space), this function returns the parameter of the point obtained by projecting the input point. The function also returns the index of the piece in the piecewise NURBS curve on which the projected point lies."

Don't know if this works on surfaces, too, but a handle and a point is what I want to provide. But I don't understand "returns the parameter of the point obtained by projecting the input point"

What is the parameter of a point? And in what direction is the input point projected? Seems like an input point could be projected in infinite directions.

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