How to get 2D view of an ellipsoid?

Question

Salar 2016-3-10

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/272639-how-to-get-2d-view-of-an-ellipsoid

评论： Salar 2016-3-10

采纳的回答： Ced

在 MATLAB Online 中打开

Hello,

I have a plot of an ellipsoid obtained by :

>> [x, y, z] = ellipsoid(0,0,0,xr,yr,zr);
figure
surf(x, y, z)
axis equal

Now I need to obtain 3 plots showing x Vs y & x Vs z & y Vs z, so basically I'll get 3 2D plots each showing an ellipse. Is there any Matlab command that'll do that ? I'd really appreciate your help.

Thank you!

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Answer 1

Ced 2016-3-10

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https://ww2.mathworks.cn/matlabcentral/answers/272639-how-to-get-2d-view-of-an-ellipsoid#answer_213110

在 MATLAB Online 中打开

Hi

You could use the "view" function for that, which allows you to set the viewing angle (azimuth and elevation). Note that the angles are in degrees, not radians.

For the choices mentioned:

xr = 1;
yr = 2;
zr = 1.2;
[x, y, z] = ellipsoid(0,0,0,xr,yr,zr);
surf(x, y, z);
axis equal
% Now change the view
% X vs Y
view(0,90)
pause
% X vs Z
view(0,0)
pause
% Y vs Z
view(90,0)