### Description

A network with a loop. VTK 5.0 and later do not allow you to execute a looping visualization network; this was possible in previous versions of VTK.

!!! info
    See [Figure 4-22](../../../VTKBook/04Chapter4/#Figure%204-22) in [Chapter 4](../../../VTKBook/04Chapter4) the [VTK Textbook](../../../VTKBook/01Chapter1).
