Hi! How to fix plane position as a 0 degree angle for Phi azimuth angle or how Matlab understand where Phi angle should be drawn?
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I have two angles Theta =60 (polar angle which is <=pi) and Phi = 0 ( which is between 0 and 2pi)
I converted spherical coordinates to cartesian and need to draw vector using one point (1.5; 1.5; 3.0) and two angles.
I also use phi =0 to check if my vector correct. Because if phi=0 then my vector will be strict such as on surface of my box. I dont know how to fix one poisition plane as the start point for Phi angle ( where 0 degree of angles will start). My fixed plane position for the begin of Phi angle will be (0,0,3 0,3,3 0,0,0 0,3,0)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1212128/image.jpeg)
something like this but I dont have ro
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Catalytic
il 29 Nov 2022
A = 3.67 * sin(Phi0) * cos(Theta0);
B = 3.67 * sin(Phi0) * sin(Theta0);
C = 3.67 * cos(Phi0);
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