Chapter 7. Selection and Manipulation

The quality of the interaction techniques that allow us to manipulate 3D virtual objects has a profound effect on the quality of the entire 3D UI. Indeed, manipulation is one of the most fundamental tasks for both physical and virtual environments: if the user cannot manipulate virtual objects effectively, many application-specific tasks simply cannot be performed. Therefore, we start our discussion of 3D interactions with techniques for selecting and manipulating 3D objects.

7.1 Introduction

The human hand is a remarkable tool; it allows us to manipulate physical objects quickly and precisely, with little conscious attention. Therefore, it is not surprising that the design and investigation of manipulation ...

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