Using a vector to plot a cylinder

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Thallon Pitchure
Thallon Pitchure 2019-7-25
评论： Charles Rice 2025-9-15
Good day,
I am trying to create a cylinder using the 6 data point in the figure provided. The current code is listed below. I am not certain if I am using the correct cylinder syntax. If you could please provided any assistance it would be greatly appreciated. Thank you.
[Z,X,Y] = cylinder(0.0191/2, 100);
rodLen = norm(rodPoints(6,:)-rodPoints(1,:));
surf(X,rodLen*Y,Z,...
'EdgeColor', 'none',...
'FaceColor', [0.7 0.7 0.7],...
'FaceAlpha', 0.2)
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Charles Rice
Charles Rice 2025-9-15
See also atan2d function that does what your if/else statement does.

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回答（1 个）

Hari Krishna Ravuri
I understand that you are trying to make a surface plot of a cylinder. One of the ways in which you can use cylinder() is
[X,Y,Z] = cylinder(r,n)
This returns x,y,z coordinates of a cylinder based on the parameters. In you script, I observed that, the cylinder’s x,y,z coordinates are being stored in z,x,y . You are trying to modify the y coordinates of the cylinder, which changes the shape of it. Please refer https://www.mathworks.com/help/matlab/ref/cylinder.html

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