How do I rotate a 3D scatterplot automatically around the x-axis?

I have generated a 3D scatterplot for my variables. I'd like to be able to rotate it around the x-axis, preferably in a continuous loop. Any help would be appreciated.

Answer 1

[Deepak Meena]

Hi Pooja,

From my understnading you want to rotate a 3d scatter plot programatically. For surface, line plot MATLAB have rotate which can rotate a figure about a particular direction and given degrees. But that doesn't work for the 3dScatter plot . But there is work around that :

1)Draw a 3d line plot of the corresponding scatter plot

2)Rotate that 3d line plot using the rotate function.

3)get the data from the line plot and draw the corresponding 3dScatterplot .

For ex#

figure
[X,Y,Z] = sphere(16);
x = [0.5*X(:); 0.75*X(:); X(:)];
y = [0.0*Y(:); 0.0*Y(:); Y(:)];
z = [0.0*Z(:); 0.0*Z(:); Z(:)];
scatter3(x,y,z);

This will plot this scatter plot :

Step 1:

when we draw the line plot of this scatter plot :

figure(2)
p = plot3(x,y,z);

Step 2:

Now we rotate this around z-axis by 25 degrees as:

 direction = [0 0 1];
 rotate(p,direction,25);

so we have :

Step 3:

Now we get the data from the rotated line plot and plot a scatter plot as follow:

 x =p.XData;
y = p.YData;
z = p.ZData;
figure(2);
scatter3(x,y,z)

so we have :

To do this in continuous loop :

figure

[X,Y,Z] = sphere(16);
x = [0.5*X(:); 0.75*X(:); X(:)];
y = [0.0*Y(:); 0.0*Y(:); Y(:)];
z = [0.0*Z(:); 0.0*Z(:); Z(:)];
scatter3(x,y,z);
p = plot3(x,y,z);
for i=1:10
 direction = [0 0 1];
 rotate(p,direction,25);
x =p.XData;
y = p.YData;
z = p.ZData;
figure(2);
scatter3(x,y,z);
pause(2);
end

Hope this helps

Thanks