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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回答（5 个）
Image Analyst
2013-7-17
0 个投票
Have you tried the FAQ: http://matlab.wikia.com/wiki/FAQ#How_can_I_create_a_movie_from_my_MATLAB_figures.3F
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
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)
1 个评论
Image Analyst
2013-7-18
Yes, though it could be even better if there were some way to control the speed of the comet and length of the tail.
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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