# True north-based azimuths

3 views (last 30 days)
Cristian Martin on 22 May 2022
Commented: Cristian Martin on 22 May 2022
Can I automatically find True north-based azimuths based on certain value of an azimuth from a refference point ?
Let's say if I have a value of 90 the result will be East, I have a value of 25 the result will be North-northeast.
I could do a function but maybe there's more easier methodes.
Thank you!

Bjorn Gustavsson on 22 May 2022
Your question doesn't make much sense, sure you can do that - but that would be more of "establishing" your azimuth-convention. If you are thinking of calculating the azimuth clockwise from North to a point [x,y] from a point [x0,y0]. Then atan2 should be your friend:
phi = atan2(x0-x,y0-y);
Or atan2d if you directly want the angle in degrees - which I've found to be a dangerous habit to use, it is in my experience strongly preferable to have all angles in radians and convert to degrees when displaying.
HTH
Cristian Martin on 22 May 2022
Thanks Bjorn !

R2015a

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