Earth section paths are plane curves defined by the intersection of an earth ellipsoid and a plane (ellipsoid plane sections). Common examples include the great ellipse (containing the center of the ellipsoid) and normal sections (containing an ellipsoid normal direction).
Earth section paths are plane curves defined by the intersection of an earth ellipsoid and a plane (ellipsoid plane sections). Common examples include the great ellipse (containing the center of the ellipsoid) and normal sections (containing an ellipsoid normal direction).
Source: Wikipedia "Earth section paths" · CC BY-SA 4.0
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