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Issues with Roto Brushing a clip that’s split into sections
I’m working on rotoscoping a 6-second 1080p video. To optimize performance and avoid triggering propagation at the start of the clip when making adjustments, I’ve been splitting the video into 37-frame sections.
However, I’m running into a couple of issues with this workflow:
1. Propagation Issues in Split Sections: After rotobrushing the first section and splitting the video (Shift + Ctrl + D), the last frame’s Roto Brush from the first section appears in the second section. However, propagation still starts from frame 0 in the new section. If I delete the strokes in the second section to stop propagation, it also removes the necessary Roto Brush data, making it impossible to align the two sections properly.
2. Roto Brush Misalignment Between Sections: In order to remedy #1, I have tried adding a new rotobrush modifier to each section, however, since each section has its own Roto Brush calculation, the brushes don’t align seamlessly between sections, causing a noticeable jump when playing through the clips.
Has anyone encountered this problem, and if so, do you know how to keep the sections aligned?
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