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I'm generating a sequence of images saved as .PNG files on disk, labelled say plot001.png, plot002.png, plot003.png. These are actually saved plots from Octave, a scientific data manipulation/plotting tool.

There are about 50-200 of these images.

I want to animate them on screen so I can see each frame displayed sequentially with my own specified pause between each frame (typically 200ms). I also want to be able to manually single step forwards and backwards in the sequence with a simple keypress.

I am not trying to create a video! I could use ffmpeg or something similar, but the resulting video would be compressed, hard to control frame by frame, and only 2 seconds long.

Several Windows image display tools like irfanview have a feature for this.. it allows you to play a slideshow with definable pause between the frames, and you can also just arrow left and right to manually control. This is perfect.

Is there a image preview tool for Linux that would give me this easy sequence viewing method? I'm running Ubuntu 9.10 if that matters.

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2 Answers 2

up vote 1 down vote accepted

Gwenview, which is available in Ubuntu 9.10, support that.

You can start a slideshow of any directory/images. Its default pause between images is 5 seconds, but you can configure it as you want. You can also step forward by pressing space or backward by pressing backspace.

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This works pretty well. Surprisingly the slideshow timing is NOT configurable, but as a ad-hoc solution I can change my key repeat speed and hold down the space bar. Thanks! –  BobBanana Dec 19 '09 at 2:14
    
@BobBanana When the slideshow is running, and you move your mouse at the top of the screen, a "toolbar" should appear. Click on "Configure full-screen mode" (the wrench icon). In the popup menu, the first thing should be a slider to adjust the timing. At least, in Gwenview 2.3.2 –  Laurent Parenteau Dec 19 '09 at 3:52

From imagemagick:

animate -pause *.jpg

You can also use mplayer:

mplayer mf://*.jpg -mf fps=10
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