ステレオ投影
1. Stereographic projectionThe stereographic projection, in geometry, is a particular mapping that projects a sphere onto a plane. The projection is defined on the entire sphere, except at one point — the projection point. Where it is defined, the mapping is smooth and bijective. It is conformal, meaning that it preserves angles. It is neither isometric nor area-preserving: that is, it preserves neither distances nor the areas of figures.
Read “Stereographic projection” on English Wikipedia
Read “ステレオ投影” on Japanese Wikipedia
Read “Stereographic projection” on DBpedia
Read “Stereographic projection” on English Wikipedia
Read “ステレオ投影” on Japanese Wikipedia
Read “Stereographic projection” on DBpedia
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