psi should be clockwise
jychstar opened this issue · comments
Yuchao Jiang commented
Because y-axis is up-down, then psi should be clockwise. Only this can explain why the initial orientation is 3.733667, which is in the 3rd quadrant.
Andrew Bauman commented
Thank you for this comment. Would you mind elaborating on this statement?
Michael Virgo commented
No further comments, so closing out.