How to rotate points on 3D coordinate systems

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mohammad almasri on 17 Oct 2017

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Commented: Sterling Baird on 2 Jul 2020

Accepted Answer: Sean de Wolski

I have some points on a 3D Cartesian coordinate system. I want to transfer it form 3D coordinate system to another system which is generated from the first one by a rotation around the x, y or z-axis by (alpha) degrees counterclockwise and clockwise and calculate the position vector in the new coordinate system after the rotation. What is the best solution?

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Cedric on 17 Oct 2017

Edited: Cedric on 17 Oct 2017

Google 3D rotation matrices (or just Wikipedia), and/or look at my "scary alternative" here.

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Sean de Wolski on 17 Oct 2017

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https://www.mathworks.com/matlabcentral/answers/361808-how-to-rotate-points-on-3d-coordinate-systems#answer_286264

Edited: Sean de Wolski on 17 Oct 2017

https://www.mathworks.com/help/releases/R2017b/vision/ref/pctransform.html

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Sterling Baird on 2 Jul 2020

Tough luck if you don't have the computer vision toolbox.

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