Is there a way to display only a certain view in the viewport? What I want to do is to only display an object, or a part of an object in a specific view, and then to be able to move around the 3D workspace, with everything else hidden. 

Basically, I want to display only a what a camera can see, no matter the position or perspective in the viewport.
SOLVED: Go to the desired position in the 3D viewport, press Alt+B, and box select around the desired area. This will make everything outside of that ray hidden:


Press Alt+B again to return to the normal 3D viewport display

Note: This can not be animated, and does not render.