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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Bottomley projection ： ウィキペディア英語版 Bottomley projection The Bottomley map projection is an equal area map projection defined as: :$x\; =\; \backslash frac\; \backslash ,$ :$y\; =\; \backslash tfrac\; -\; \backslash rho\; \backslash cos\; E\; \backslash ,$ where :$\backslash rho\; =\; \backslash tfrac\; -\; \backslash phi\backslash ,$ :$E\; =\; \backslash frac$ and φ is the latitude, λ is the longitude from the central meridian, and φ1 is the given parallel of the projection which determines its shape, all in radians. Parallels (i.e. lines of latitude) are concentric elliptical arcs of constant eccentricity equal to $\backslash cos(\backslash phi\_1)$, centred on the north pole. On the central meridian, shapes are not distorted, but elsewhere they are. Different projections can be produced by altering the eccentricity of the arcs, making it vary between the sinusoidal projection and the Werner projection. It was introduced by Henry Bottomley as an alternative to the Bonne projection to reduce the extent of extreme distortion at the edges and give a more satisfying overall shape. ==See also== * List of map projections 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bottomley projection」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.