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I have seen information about how to process images using the '-' filename to process images from STDIN to STDOUT.
$ convert logo: gif:- | display gif:-
I have read how to extract a single frame from an animated gif.
$ convert 'images.gif[0]' image.png
I have not found any information about how to extract the first frame of a gif from STDIN.
I've tried convert -[0] and convert -'[0]' to no avail. Can you help?
http://www.imagemagick.org/script/command-line-processing.php
889
To extract the frames, right-click on the GIF image, and select Extract Frames option. A new window will open. There, use the slider to set a range for frames. Finally, use the Extract Frames button, and then you can select the output folder and format to save frames as images.
To create an animated GIF image, ImageMagick has another routine that is quite helpful called convert. Although it is possible to convert directly from the PPM images, it is better to use xv to make some smaller GIF images of each frame, and then use the command: convert -delay 20 -loop 0 sphere*. gif animatespheres.
In GIMP's main window, open the File menu and select "Open…." Then, in the Open Image window, browse to the location where your animated GIF file is located, select it, and then click or tap Open. GIMP loads your animated GIF file. Next, open the File menu again, and click or tap the "Export Layers…" option.
It turns out that convert -'[0]' works.
I was mistaken. Hope this helps someone else!
83
The above-mentioned answer is correct, but I just like to make it more clear.
to extract all frames to separate image files
convert images.gif image.png
to extract the first frame :
convert 'images.gif[0]' image.png
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