### Description
This demo displays level of a vtkModifiedBSPTree using a slider. A Modified BSP Tree  is a [BSP Tree](https://en.wikipedia.org/wiki/Binary_space_partitioning). It is used for rendering, collision detection, and point location.

Here is the embedded video:
<br>
<iframe width="256" src="https://www.youtube.com/embed/ZGjIDmxSDJU" frameborder="0" allow="accelerometer; autoplay; encrypted-media; loop; gyroscope; picture-in-picture" allowfullscreen></iframe>

!!! seealso
    [VisualizeKDTree](/Cxx/DataStructures/VisualizeKDTree) and [VisualizeOBBTree](/Cxx/DataStructures/VisualizeOBBTree).
