e 3D Graphics Kit. It establishes an application's main connection to the Interactive RenderMan renderer in the Window Server, and releases it when done.&nbsp; It also establishes and releases other interactive rendering contexts on request.</font>

<p><font face="Times">You will rarely need to use this class directly.&nbsp; The 3D Kit--through N3DCamera and N3DImageRep--establishes contexts for interactive rendering as needed.</font>

<p><font face="Times">A context is the portion of a RenderMan program co