stereographic coordinate

  • 51Star chart — Star map redirects here. For other uses, see Star map (disambiguation). A celestial map from the 17th century, by the Dutch cartographer Frederik de Wit A star chart is a map of the night sky. Astronomers divide these into grids to use them more… …

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  • 52Hypercone — of a spherical cone s generatrices (red), parallels (green) and hypermeridians (blue).Due to conformal property of Stereographic Projection,the curves intersect each other orthogonally (in the yellow points) as in 4D.All curves are circles or… …

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  • 53Multiview orthographic projection — Part of a series on …

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