MATLAB: How to rotate surface code

meshrotatesurfsurface

Hello, everybody.

I was wondering if anyone would know how to get past a 3D surface like the one I show below.

In something like what I show below using code, not like I did that was using the rotate3D option, because I tried using rotate but didn't get the right combination.

rotate(h,direction,alpha)

Best Answer

Try the view function (documentation)

view(0,0)

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MATLAB: How can you use coneplot to plot a single cone in a specific direction

The coneplot function is a velocity plot.

If you want to plot a single cone, this will get you started:

N = 10;
r = linspace(0, 1, N);
[X,Y,Z] = cylinder(r, N);
figure(1)
h = surf(X, Y, Z);
axis square
rotate(h, [-1 1 0], 90);

I don’t know exactly what you want to do, so you will have to experiment with this. Other functions to consider are cart2sph and sph2cart to produce the rotation you want.

MATLAB: Rotate 3D surface matrices

You can manually change data. Just use rotation matrix

a = 15;     % angle rotation
R = [cosd(a) sind(a);-sind(a) cosd(a)];
V = R*[X(:) Y(:)]';             % rotate about Z axis
X1 = reshape(V(1,:),size(X));   % new data
Y1 = reshape(V(2,:),size(Y));
surf(X1,Y1,Z);

Best Answer

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MATLAB: How can you use coneplot to plot a single cone in a specific direction

MATLAB: Rotate 3D surface matrices

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