Rotation of points around the three principle axes (x,y,z)

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Gledson Melotti
Gledson Melotti 2019-10-22
评论： Gledson Melotti 2019-11-7
Hello, how are you? I have a 3D coordinate system. My system was obtained from a LIDAR sensor. Do I need to project the 3D point clouds on the 2D flat image? I have to project my points considering the LIDAR coordinates as x: forward, y: left and z: up. However, my points were obtained by considering the following coordinates as x: right, y: down and z: forward. So how do I convert / rotate from the second convention (x: right, y: down, and z: forward) to the first convention (x: forward, y: left, and z: up)?
I thank you for your attention,
Gledson

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回答（1 个）

Hari Krishna Ravuri
Point cloud data can be displayed using pcshow.The syntax of pcshow is
pchow(ptCloud)
where ptCloud is a Point cloud object.Once the point cloud data was displayed, you may use your mouse to rotate the points.Please refer https://in.mathworks.com/help/vision/ref/pcshow.html for more information regarding pcshow.
Hope this helps!
  1 个评论
Gledson Melotti
Gledson Melotti 2019-11-7
Hello. You are right.But I need learn how rotate mathematically. I tried to use the right hand rule and couldn't.
Bes regards.

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