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A reference framework consisting of a set of points, lines, and/or surfaces, and a set of rules, used to define the positions of points in space in either two or three dimensions. This tag also refers to cartographic projections and coordinate system transformations.

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Projecting Cross-Track distance on great Circle?

There is an intersection(p1, brng1, p2, brng2) function on https://www.movable-type.co.uk/scripts/latlong.html, p1 is start, brng1 is the bearing from start to end, p2 is a given black point, brng2 is …
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