### Description

This example illustrates the camera movement around the focal point.

!!! note
    For camera movement centered at the camera position see [CameraModel2](../CameraModel2).

!!! note
    This is an adaptation of the code written by Chung Kai Lun Pete.

!!! note
    This example corresponds  to Figure 3-12 in the VTK Text.

!!! info
    See [Figure 3-12](../../../VTKBook/03Chapter3/#Figure%203-12) in [Chapter 3](../../../VTKBook/03Chapter3) the [VTK Textbook](../../../VTKBook/01Chapter1).
