Save video from comet command
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I use a comet command in my code to plot a graph (e.g. comet(x,y)). I want to save this in a video format to show it in a Powerpoint prresentation. How can I do it?
采纳的回答
Instead of video, it is better to go for .gif file. See the example code below:
clc; clear all ;
x = 0:0.01:1;
figure(1)
filename = 'mygif.gif';
t = linspace(0,2*pi) ;
x = sin(pi*t) ;
for n = 1:length(t)
plot(t(1:n),x(1:n))
axis([min(t) max(t) min(x) max(x)]) ;
drawnow
frame = getframe(1);
im = frame2im(frame);
[imind,cm] = rgb2ind(im,256);
if n == 1;
imwrite(imind,cm,filename,'gif', 'Loopcount',inf);
else
imwrite(imind,cm,filename,'gif','WriteMode','append');
end
end
3 个评论
Kostas Sita
2016-10-17
KSSV
2016-10-17
Yes it is slow...it can be made fast......try this:
Kostas Sita
2016-10-27
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