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I made a 2D color plot, how do I turn the plot into an animation or video of the points being put into place? Thanks

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Union Colleg
Union Colleg 2013-7-17
回答： Ricardo A. Baila 2016-7-6
The plots differ in color based on the Z value.

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回答（5 个）

Image Analyst
Image Analyst 2013-7-17
Youssef Khmou
Youssef Khmou 2013-7-17
hi,
If you mean you have a plot from 2 vectors x and y, then you can use the function pause to drawn each point :
for n=1:length(x)
plot(x(n),y(n))
pause(N), % where N is numbers of seconds
hold on,
end
Here is an example from my File Exchange : http://www.mathworks.com/matlabcentral/fileexchange/41579-projectile-motion-in-weak-gravitational-fieldg=3-71-ms%C2%B2
Union Colleg
Union Colleg 2013-7-17
Thank you very much these have both been very helpful as I am just starting up in the matlab world.
Shane
Shane 2013-7-18
编辑：Shane 2013-7-18
The comet function is also quite nice.
X = sin(0:.01:2*pi);
comet(X)
%or
X = sin(0:.01:2*pi);
Y = 0:.01:2*pi;
comet(X,Y)
Ricardo A. Baila
Ricardo A. Baila 2016-7-6
You might want to check out:
doc animatedline
Example from the documentation:
Create the initial animated line object. Then, use a loop to add 1,000 points to the line. After adding each new point, use drawnow to display the new point on the screen.
h = animatedline;
axis([0,4*pi,-1,1])
x = linspace(0,4*pi,1000);
y = sin(x);
for k = 1:length(x)
addpoints(h,x(k),y(k));
drawnow
end
(And you can control the drawing speed up to a certain degree by resourcing to the pause command)

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