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I am trying to determine the length of line across 3 dimensions (XYZ). My X&Y are WGS 84 coordinates and my Z value is HAE (Height Above Ellipsoid) in meters.

I can determine the XY length on a plane, but how do I account for the additional length added by a change in Height?

Example

50,50,50 -- 60,60,50 -- 60,60,40, -- 70,70,40 -- 70,70,50 In this case you can see I can 10 meters in length between coordinate triplets 2 & 3 as well as between 4 & 5 even though they share the same XY values

Does anyone have any thoughts on how to efficiently calculate this information?

Thanks,

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# Length of a line in 3 dimensions

Can you offer guidance or do you also need help?

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