Making a video for 1000 time-steps

Hi Matlab Team,

The output of my code is the movement of cells in 1000 time-steps, I arrange the code such that I can see the result in each time-step. Now, I want to create a video from all the frames. Would you please let me know, how can I do this?

Thank you !!!

Answer 1

[Walter Roberson]

writerObj = VideoWriter('OutputFileNameGoesHere.avi');
ax = gca;

oldsize = [0 0];

for timestep = 1 : 1000
    %do appropriate plotting here
    %...
    
    F = getframe(ax);
    if timestep == 1
        oldsize = [size(F.cdata,1), size(F.cdata,2)];
    else
        F.cdata = imresize(F.cdata, oldsize);
    end
    writeVideo(writerObj, F);
end

close(writerObj);

[Neda]

Thank you @Walter Roberson

I received this error: OBJ must be open before writing video. Call open(obj) before calling writeVideo.

[Voss]

writerObj = VideoWriter('OutputFileNameGoesHere.avi');
open(writerObj);

% then the rest of the code is the same ...
ax = gca;
% etc.

[Neda]

Thank you so much. It works well !!! :)