1. In a data processor controlled display system for displaying a virtual three-dimensional display workspace having virtual user interactive objects within said workspace: means for navigating to a first viewpoint at which at least one of said objects is interactively distinct, means for navigating to a second viewpoint at which said at least one object becomes interactively indistinct, and means for forming at said second viewpoint an interactively distinct aggregate object comprising said interactively indistinct object and at least one other interactively indistinct object.