Viewsheds are used to conduct visibility analysis within a view frustrum of an observer point. A wireframe of the view frustum is is created and geomtry within the frustrum is tinted to represent the features visible to the observer or obstructed.

Viewsheds can be used to model real-world objects like cameras, human patrol agents, or radar stations.

public class Viewshed : ExploratoryAnalysis 

Public Class Viewshed 
   Inherits ExploratoryAnalysis