How do I remove this line in compositing?

RadoslavL · December 4, 2022, 9:53pm

I tried removing the tracking markers on a video I shot (http://0x0.st/ok6P.png), but when I removed them, there was a line on the side of the viewer that’s partually transparent (http://0x0.st/ok6b.png). It appears in renders as well. I thought about it, and noticed that it might be the mix node, as it mixes the images and if one of them has alpha lower than 1, it would change the alpha there in the last product. The mix node is essentual, so I don’t know what else to use. What can I do about this? I was following a tutorial and it didn’t appear for the youtuber (https://youtu.be/hymtATx1QXw).

Okidoki · December 5, 2022, 4:12pm

If you make slightly bigger images and upload those directly here on BA then you would make this by far more easier for people to see what’s the problem here… and they would also be much more eager to help… (also using almost the same layout as the tutorial would help to read this more easily…)

… and i guess it’s Convert Premultiplied Alpha which you have enable and the YT’er not ?
And it seems you are not using the alpha channel at all… at least i can see no connections from the alpha to anything…