Draw 3d points and 3d B-SPLINEs

[cawlfj]

How can i to draw the 3d points with the 3D B-splines to through these points.

Now i only can draw the 3d points with 3d scatters by qt datavisualization, can we have a way to make 3D spline and draw out it ?

jeff

[Edit: Locked as duplicate. Active thread is https://forum.qt.io/topic/77567/draw-3d-line-between-3d-points-qt-data-visualization ~kshegunov]