Animate results from PDE toolbox

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Hashim
Hashim 2022-11-21
编辑： Hashim 2022-12-6
Hi,
I am trying to animate results from a PDE toolbox script.
F=figure(1);
MyVideo = VideoWriter(sprintf('2DSys.avi'));
MyVideo.FrameRate = 10;
MyVideo.Quality = 100;
open(MyVideo);
for i = 1:length(result.SolutionTimes)
pdeplot(MyModel,'XYData',result.NodalSolution(:,i),'ColorBar','off');
title({['Time=' num2str(result.SolutionTimes(i)) 's']})
% colormap(jet)
% axis tight
% ax = gca;
% axis off
M(:,i) = getframe(F);
writeVideo(MyVideo, M(:,i));
drawnow
end
But I don't have any frames written to my file. The script is executing without errors on my pc.
On analyzing my M output structure I see that the colormap entries turn out empty. Attaching M as well.

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采纳的回答

VBBV
VBBV 2022-11-22
M(:,i) = getframe(gcf); % use gcf
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Hashim
Hashim 2022-11-22
编辑：Hashim 2022-11-22
The script that I attached is not running. I have already attached the result variable that has the values I want to animate. The rest of the script seems to be working fine.
Hashim
Hashim 2022-12-6
编辑：Hashim 2022-12-6
This kinda works
figure;
maxc = max(max(result.NodalSolution));
minc = min(min(result.NodalSolution));
MyVideo = VideoWriter(sprintf('2DSys.avi'));
MyVideo.FrameRate = 10;
MyVideo.Quality = 100;
open(MyVideo);
for i = 1:10
pdeplot(MyModel,'XYData',result.NodalSolution,'ColorBar','off','Mesh','off');
title({['Time=' num2str(i) 's']})
caxis([minc maxc]);
colormap(jet)
axis tight
ax = gca;
ax.DataAspectRatio = [1 1 1];
M(i) = getframe(gcf);
writeVideo(MyVideo, M);
end
close(MyVideo)

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