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Interactive Four-dimensional Space Exploration Using Viewing Direction Control Based on Principal Vanishing Points Operation

机译:基于主消失点操作的观察方向控制交互式四维空间探索

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This chapter presents an interactive 4-D visualization technique that controls a 4-D viewing direction via handling of principal vanishing points. Principal vanishing points are represented by projecting points at infinity of 4-D principal coordinate axes onto 3-D space. Our previous studies have confirmed that, because the principal vanishing points relate to a 4-D eye-point and the 4-D viewing direction, they can be landmarks to intuitively move in 4-D space. In this chapter, we propose an algorithm that utilizes principal vanishing points as an interface for the intuitive 4-D viewing direction control, and apply an algorithm to a framework of a system which enables one to fly through 4-D space. The developed system can achieve to visualize and explore an intricate 4-D scene such as a maze in 4-D space. We evaluate effectiveness of the proposed 4-D interaction technique by user experiments.
机译:本章介绍了一种交互式4-D可视化技术,可通过处理主消失点来控制4-D观察方向。主消失点由4-D主坐标轴的无穷大的突出点表示到3-D空间。我们以前的研究已经证实,因为主消失点与4-D眼点和4-D观察方向有关,因此它们可以是直观地移动在4-D空间中的地标。在本章中,我们提出了一种算法,该算法利用主消失点作为直观的4-D观察方向控制的接口,并将算法应用于系统的框架,这使得可以飞过4-D空间。开发系统可以实现以可视化和探索复杂的4-D场景,例如4-D空间中的迷宫。我们通过用户实验评估所提出的4-D交互技术的有效性。

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