The main contents of this paper are model design of a virtual camera, property research to controlled movement, potential visible surface sets reduction and interactive rendering technology.

其内容涉及虚拟相机的概念设计，受控运动的特性研究，潜在可见表面集的缩减技术和交互式演示技术。

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The speed of volume rendering is the bottleneck of interactive visualization.

体数据的绘制速度是交互可视化的瓶颈。

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Direct volume rendering based 3d texture can guarantee image quality and reach interactive frame rates. Because of the restriction of texture memory, it is difficult to render large volume data.

基于3d纹理的直接体绘制算法可以在保证图像质量的同时达到较好的交互性能，但由于纹理内存的限制，大规模数据场的3d纹理直接体绘制比较困难。

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Adjacent to the pod is an interactive touch-screen timeline magnifying digitized exhibited documents, rendering even his nearly illegible script decipherable.

WSJ: Churchill: The Power of Words | Morgan Library & Museum | The Origins of His Oratory | by Alexander Heffner

BT's own engine, Tara (Total Abstract Rendering Architecture) has been in development since 2001 and has been used to recreate virtual interactive models of buildings for planners.

BBC: Screenshot Tara at work in the Encounter game