The Riemannian metric of perspective in stereo graphic projection is introduced and a property of the continual cut vector field on the spherical surface is discussed. The accordance of the Riemannian metric with the flat metric of Euclid space is proved.
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- 介紹了在球極投影下引入的黎曼度量,并介紹了這種度量的一些性質(zhì),指出了這種度量與從平直的歐幾里德空間標準度量中誘導的黎曼度量是一致的;