Projecting sphere onto plane {conformal transformation}, such as stereographic, Mercator, and Miller projections, can preserve directions and angles. Gnomic, cylindrical, and elliptical projections do not preserve directions and angles.
Mathematical Sciences>Geometry>Projections>Sphere To Plane>Azimuth Constant
3-Geometry-Projections-Sphere To Plane-Azimuth Constant
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Date Modified: 2022.0224