V2EX mercator projection

Mercator Projection

释义 Definition(中文)

墨卡托投影:一种常见的地图投影方法,把地球表面投到圆柱上再展开。它保持角度与局部形状(等角/保角),因此航海定向方便;但会严重夸大高纬度地区面积(越靠近两极变形越大)。

发音 Pronunciation(IPA)

/mrketr prdekn/

词源 Etymology(中文)

“Mercator”来自16世纪制图学家 Gerardus Mercator(杰拉杜斯墨卡托) 的姓氏,他在1569年推广了这种投影以服务航海需求;“projection”源自拉丁语 projectio(“投射、投影”)的概念。合起来指“墨卡托提出/使用的投影法”。

例句 Examples(EN + 中文)

The Mercator projection is common in web maps.
墨卡托投影在很多网络地图中很常见。

Because the Mercator projection preserves angles, it helps sailors plot a constant bearing, but it greatly exaggerates the size of Greenland.
由于墨卡托投影能保持角度,它有助于航海时绘制恒定航向的路线,但会大幅夸大格陵兰等高纬地区的面积。

相关词 Related Words

文学与著作 Literary Works(作品示例)

  • How to Lie with Maps(Mark Monmonier)讨论地图投影(常提到墨卡托投影)与误导性呈现
  • The Power of Maps(Denis Wood)从社会与文化角度分析地图与投影的影响
  • Maphead(Ken Jennings)以通俗方式谈地图文化与常见投影(包含墨卡托投影话题)
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