Recent content by Fredster

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    Distance between a point on a sphere and a great circle arc

    To make a stab at answering my own question, if I calculate the angle O between BC and BA and it's greater than 90 degrees, B is the closest point to C; the same would apply to the angle between AC and AB. Am I at least in the vicinity of a workable solution?
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    Distance between a point on a sphere and a great circle arc

    Hi all, Let me state up front that I'm a math idiot. I minored in it in college 20+ years ago and haven't needed it as a software engineer...until now. I'm trying to solve a problem for work that's got me pulling my hair out, mostly because I'm having to relearn so much math I'd forgotten...
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