Chapter 6. Travel

As we described in the introduction to Part III, navigation is a fundamental human task in our physical environment. We are also increasingly faced with navigation tasks in synthetic environments: navigating the World Wide Web via a browser, navigating a complex document in a word processor, navigating through many layers of information in a spreadsheet, or navigating the virtual world of a computer game. Navigation in 3D UIs is the subject of Chapters 6 and 7.

6.1. Introduction

Travel is the motor component of navigation—the task of performing the actions that move us from our current location to a new target location or in the desired direction. In the physical environment, travel is often a no-brainer, or to be more precise, ...

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