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lat lon to ECEF conversion derivation...
Most texts on geodesy seem to jump right into the formulas for converting LLA to ECEF as follows:
X = [N + H] cos ¢. cos £
Y = [N + H] cos ¢. sin £
Z = [(b 2 /a 2) N + h] sin ¢
My question is, how does one arrive at this? I can't seem to find any derivations for this. Any pointers to some material?
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