/sci/ - Science & Math » Thread #12909775

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Anonymous Wed 31 Mar 21:32:37 2021 No.12909775 View Reply Original Report

Quoted By: >>12909817

How can you calculate the X coordinates here? We can assume the Earth is a sphere

Anonymous

Anonymous Wed 31 Mar 2021 21:34:38 No.12909788 Report

Quoted By: >>12909793

i.e. closest coordinates of a point on a segment to a given point, all on sphere surface

Anonymous

Anonymous Wed 31 Mar 2021 21:35:48 No.12909793 Report

Quoted By:

>>12909788
coordinates of a closest point*

Anonymous

Anonymous Wed 31 Mar 2021 21:41:30 No.12909816 Report

Quoted By:

Assuming the center of the earth is at (0,0,0) (if not, just translate so it is)
Build the plane which include A, B and O, build the orthogonal plane which include C and O, then find the intersection of the 2 planes and the sphere

Anonymous

Anonymous Wed 31 Mar 2021 21:41:37 No.12909817 Report

Quoted By:

>>12909775
does this help
https://math.stackexchange.com/questions/337055/compute-minimum-distance-between-point-and-great-arc-on-sphere

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