Navigation system for a 3D virtual scene (XIV)

Abstract

A navigation system for navigating a three-dimensional (3D) scene that includes a model or object with which a user can interact. The system accommodates and helps both novice and advanced users. To do this, the system allows a user to move up and down within a scene relative to an up axis of the scene without the user being displaced horizontally. A scale is provided that shows the user the relative position of the current view in the vertical bounding box of the scene.