### Description

The stream polygon. (a) Planar view. (b) Aligned with vector. (c) Aligned along streamline. (d) Sweeping polygon to form tube.

!!! info
    See [Figure 9-12](/VTKBook/09Chapter9/#Figure%209-12) in [Chapter 9](/VTKBook/09Chapter9) The [VTK Textbook](/VTKBook/01Chapter1).

