I want to generate a curved line by VTK. Now I have the coordinates(xyz) of
two points. One is the start point and the other one is the end point. The
tangent vectors on two points are also known.
Firstly, I use the vtkArcSource to generate the arc line. But sometimes the
four elements can not just right define a circle.
Now, I have no idea about this question. I am looking for your help.
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