Create a .gif from series of images created in a for loop

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David
David 2014-8-15
回答： Image Analyst 2014-8-15
Hi,
So I have some working code that reads in some data files, does some manipulation on said data and creates an image file based up the results. I can save each image generated into a specified output file, yet I also wish to create a .gif, where each frame is the image that just got generated. The code I currently have seems to just not work, and only uses the 1st image created. My code is below.
Any help would be greately appriciated!
cd('........')
output_file='.......';
gif_name = 'test.gif';
for count = 0:50;
%DATA MANIPULATION
..................
%CREATE AND SAVE IMAGE
data_figure = figure('Visible','off');
axes1 = axes('Parent', data_figure, 'ZGrid', 'on', 'YGrid', 'on');
view(axes1,[0.5 90]);
xlim(axes1,[-0.01 0.25]);
hold(axes1, 'all');
surf(data_A,data_B,data_C, 'Edgecolor', 'none');
colorbar;
xlabel('........');
ylabel('.........');
set(gca, 'XGrid', 'off');
ylabel(colorbar, '.......');
saveas(gcf, fullfile(output_file, [num2str(count),'.png']));
%PART THAT DOESNT WORK....CREATING GIF
frame = getframe(1);
im = frame2im(frame);
[AA,map] = rgb2ind(im,256);
if count == 0,
imwrite(AA,map,gif_name,'gif','LoopCount',Inf,'DelayTime',1);
else
imwrite(AA,map,gif_name,'gif','WriteMode','append','DelayTime',1);
end
end
  1 个评论
David
David 2014-8-15
Ok I have gotten it to work by changing frame = getframe(1); to frame=getframe(data_figure);
yet it diplays each frame on screen as it is creating the file, how do I stop this?

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回答（1 个）

Image Analyst
Image Analyst 2014-8-15
getframe() pulls the image out of the axes. If you don't want it to be displayed, then you can't use getframe(). You'll have to create the image yourself somehow.

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