Draw 3D elliptic cylinder with given parameters

I want to plot an elliptic cylinder in 3D space. I have the following parameters that I wish to use:

ellipse a-axis: 4.5368 ellipse b-axis: 5.6885 centre of ellipse: [0.5351, -5.2359] Rotation of ellipse: -0.3031 Length of cylinder: 21.98

How do I generate the xyz coordinates necessary to plot the elliptic cylinder?

[Katherine Zheng]

Did you luckly figure this out? I need to do similar thing but had no clue. Can anyone please kindly help?

Answer 1

[KSSV]

You may proceed like this:

a = 4.5368 ;
b = 5.6885 ;
C = [0.5351, -5.2359] ;
L = 21.98 ;

u = linspace(0,2*pi) ;
v = linspace(0,L) ; 

[U,V] = meshgrid(u,v) ;

X = a*cos(U)+C(1) ; 
Y = b*sin(U)+C(2) ;
Z = V ;


surf(X,Y,Z,Z)
axis equal

[Katherine Zheng]

Thank you so much!

[Katherine Zheng]

I just realise my cylinder axis is not parrelle to any of the axis and this seems to make the things a lot complicated. Can you possibly help? @KSSV

[KSSV]

You can rotate the obtained coordinates to your required inclination.

[Katherine Zheng]

Thanks a lot!