弯曲时空中的立体可视化：看到黑洞内部深处
Stereoscopic visualization in curved spacetime: seeing deep inside a black hole
摘要：
立体视觉为观众的体验增加了一个额外的维度，给他们一种距离感。在广义相对论可视化中，距离可以用各种方式测量。我们认为，仿射距离，这符合通常的概念，在平坦的时空中的距离，是一个自然的距离使用弯曲的时空。作为一个例子，我们将仿射距离应用到黑洞内部的可视化中。仿射距离不是在弯曲时空中用正常双眼视觉感知的距离。然而，双目视觉的失败只是在平坦时空中进化的动物的局限性，而不是弯曲时空中深度感知的根本障碍。三目视觉将提供优越的深度感知。
英文摘要：
Stereoscopic visualization adds an additional dimension to the viewer's experience, giving them a sense of distance. In a general relativistic visualization, distance can be measured in a variety of ways. We argue that the affine distance, which matches the usual notion of distance in flat spacetime, is a natural distance to use in curved spacetime. As an example, we apply affine distance to the visualization of the interior of a black hole. Affine distance is not the distance perceived with normal binocular vision in curved spacetime. However, the failure of binocular vision is simply a limitation of animals who have evolved in flat spacetime, not a fundamental obstacle to depth perception in curved spacetime. Trinocular vision would provide superior depth perception.
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