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6/22/2025, 1:48:35 AM
>>8635007
1. Make a full stitch of every frame in the animation loop of a panning shot.
2. Use a photo editing tool like PS or Gimp to align all of the frames.
3. Crop every image down to where each frames overlaps the others.
4. Use a video encoder like ffmpeg to convert the series of images into a .gif, .webm, or .mp4.
1. Make a full stitch of every frame in the animation loop of a panning shot.
2. Use a photo editing tool like PS or Gimp to align all of the frames.
3. Crop every image down to where each frames overlaps the others.
4. Use a video encoder like ffmpeg to convert the series of images into a .gif, .webm, or .mp4.
4/27/2025, 11:49:58 PM
>>8560920
Yeah, but there are tools to make it easier. When stitching the individual frames in GIMP, you can use the Difference mode for a layer to align two parts of a stitch as best as possible. You can then use a transparency layer mask and a gradient to get rid of stitch seams along the intersection of two layers.
Stitches for scenes with diagonal panning like >>8547890 are the devil, though. They require an insane amount of work to put together because you can't just pick two or three loops from the pan - you have to capture the ENTIRE thing and work on it frame by frame. Worse yet, you also have to deal with diagonal stitch seams, which I still haven't figured out how to fully address, given that a lot of video encoding doesn't support transparency gradients along frame edges.
Stitches in cardinal directions are pretty easy, though. Often you'll only need to take like 2-3 screenshots of every loop frame from 2-3 positions in the pan: one near the start, one near the end, and possibly one in the middle. Pic related is an example of a simple cardinal stitch. These kinds of scenes are nearly ideal for stitched animation loops.
A couple of things to watch out for:
1. The first and final loops may not encompass the whole animation.
2. The animation loop may change mid-pan.
3. The background scrolling may not match the speed of the animation.
Yeah, but there are tools to make it easier. When stitching the individual frames in GIMP, you can use the Difference mode for a layer to align two parts of a stitch as best as possible. You can then use a transparency layer mask and a gradient to get rid of stitch seams along the intersection of two layers.
Stitches for scenes with diagonal panning like >>8547890 are the devil, though. They require an insane amount of work to put together because you can't just pick two or three loops from the pan - you have to capture the ENTIRE thing and work on it frame by frame. Worse yet, you also have to deal with diagonal stitch seams, which I still haven't figured out how to fully address, given that a lot of video encoding doesn't support transparency gradients along frame edges.
Stitches in cardinal directions are pretty easy, though. Often you'll only need to take like 2-3 screenshots of every loop frame from 2-3 positions in the pan: one near the start, one near the end, and possibly one in the middle. Pic related is an example of a simple cardinal stitch. These kinds of scenes are nearly ideal for stitched animation loops.
A couple of things to watch out for:
1. The first and final loops may not encompass the whole animation.
2. The animation loop may change mid-pan.
3. The background scrolling may not match the speed of the animation.
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