Rotobrush selects everything I used the rotobrush while in full resolution, and the subject is contrasty enough that I can't imagine AE having a hard time tracking it. any idea how to fix this? 265K subscribers in the AfterEffects community. Nov 14, 2016 · I am using AE 2017 and am having a problem with the roto brush tool. Nov 10, 2019 · Your screen capture video shows me that the propagation area has not been properly set. As soon as What you learned: How to refine the edges of a Roto Brush selectionRefine the edges of a Roto Brush selection with the Refine Edge toolPreview the Roto Brush Jan 4, 2021 · I can't work with the Rotobrush set to "best", it's just bogging everything down. If the footage is good there is no need to apply rotobrush strokes to every frame. That is all that is usually necessary. Nov 10, 2019 · I'm double checking my rotobrush frame by frame, and about every few frames it will switch to select the entire frame. 8K subscribers Subscribe In this tutorial, we will take our selected subject and go frame-by-frame to refine any areas that were missed or incorrectly selected on the first pass. Jul 11, 2019 · Select the footage in the timeline and then choose RotoBrush. Position the current-time indicator to the first frame of the Roto Brush selection, and set a brush size for the Refine Edge tool. Rotobrush works when you click and drag to identify the foreground, and then alt-click and drag to identify the background. The Roto Brush makes the rather tedious task of manual Sep 18, 2021 · Hi, So ive been trying to fix this for hours but everything i do dosent work. I tried 4 different videos and reinstalled After Effects, but it behaves the same as well. Luckily this doesn't seem to actually change the work I've already done (although if it's not doing anything, why does it need to re-propagate?), but it still requires I wait for it to finish. However, when I unfreeze the rotobrush to make that change, the tool re-propagates the entire clip. Its selecting all of the screen. Any suggestions? May 29, 2025 · Learn how to rotoscope in After Effects using the Rotobrush tool. When I select an object to isolate, and then press Pg Down to go to the next frame, it adjusts the pink line, as it should. So rotobrush is on the entire layer even though it’s only needed for 1% of it? Trim the later with rotobrush on it so it only has rotobrush for the duration you need it. When I choose roto brush tool and start selecting what I want, the whole video border turns purple, meaning the whole image is selected. Try selecting any point on the footage. I try to keep masking, but it has no effect whatsoever. I took a still I couldn't believe the roto-brush couldn't predict into photoshop. You will find it at the top right corner of AE. my rotobrush is selecting everything. In this video, I show you how to fix your rotobrush when it's not working in after effects. There is also these random grey scale frames that aren't there until I apply the roto brush. You can also explore templates to practice with the Roto Brush tool using high-quality footage on Pixflow’s After Effects Templates page. If you don't give it the background data it won't know where to draw those lines. Only when I hold down a brush and painting, either foreground or background brush, the pink outline displays normally. Make sure the Layer panel, not the Footage Panel is active. Nov 14, 2016 · My first guess is improper technique and failing to study up on how to use Rotobrush. You'd be probably better off to start with a fresh Rotobrush so that it propagates the brush properly. Then it opens in a new tab. Apr 4, 2025 · In this guide, we’ll walk you through everything you need to know about the Roto Brush After Effects tool—from understanding rotoscoping, to step-by-step usage, to advanced techniques and troubleshooting. If anyone knows of a better way, please let me know. . But After Effects Roto Brush 3 takes so much of the heavy lifting, you might even start to enjoy the process. Then I took the next frame and photoshop did THAT perfectly. Is it valid to work through the clip touching up the mask every so often, then when it's done, change to "Best" and go to bed while it works? Dec 1, 2020 · Whenever I try to use Rotobrush 2, the selection constantly expands after a few frames until it selects the whoel screen. It did it perfectly. Mar 15, 2020 · hello trying to isolate my subject from background with rotoscope What happen is that after selecting the subject, i go ahead frame by frame, and after number of frame i can see the purple border going all around the edge of th ewhole frame, so i have to reselect the subject why happen this?it is re I'm double checking my rotobrush frame by frame, and about every few frames it will switch to select the entire frame. 11M subscribers Subscribe Roto Brush Help! I'm trying to select someone's head to make their body disappear using the roto brush tool but my selection won't stay consistent, it keeps automatically changing every frame. Jun 12, 2024 · Rotoscoping sucks. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. I'm suspecting you did not freeze the Roto when you're finished. Everytime I set rotobrush firstly it never really auto selects the person really well and when I hit play by the next frame it just completely is selecting random little parts of the body and is ultimately unusable. After Effects help and inspiration the Reddit way. After about 20 frames, though, it suddenly drops the pink line and I have to start all over again tracing. Select the Refine Edge tool from the Tools panel. In this After Effects tutorial, I’ll cover how to use the Roto Brush tool to quickly and effectively rotoscope nearly anything in After Effects. The tutorials on Rortbrush hosted by Adobe experts show the proper workflow. You also have to use the roto brush to select what you don't want roto'd. Aug 7, 2018 · So Im trying to learn How to use the roto tool, if this is a obvious beginner misstand Then I am sorry But whats going on I am selecting the fore and background this goes fine but after around 1,5s of film suddenly the changes I make in adjusting the background/foreground only apply on the next fram Jul 17, 2021 · Hi, when I use rotobrush, its not selecting the object. Please Help! I click the rotobrush tool, I then double click the layer I want to edit. How can I solve this problem? Jan 24, 2020 · Hellow guys, good week to all , i’m new to rotoscoping , but i understand how it works at a medium-high level ( i worked with masking ) , but im trying the rotobrush auto thing. Select the layer: Open the composition in After Effects and select the layer you want to use the Roto Brush tool on. Mar 15, 2021 · Select object with rotobrush, spacebar to let it play, stop when it goes wrong and maybe got back a frame or 2. The solution, or so I’ve found, is to select the other paintbrush tool in the toolbar and then reselect the roto brush brush, and like magic the size options are un-greyed Oct 15, 2017 · Hello, I want to use roto brush tool, but it doesn't work. When you get the layer panel open, select the Paint workspace so you have easy access to all the tools, choose the Rotobrush tool (Alt/Option + w) adjust your brush size and paint away. But then, after a few frames (4-5), the mask just resets and fills the entire screen. Set the size of the brush for the Refine Edge tool, and draw a line around the edges of the Roto Brush selection. Don't think there's a better way. From this point onwards, the tool just doesn't work. Right click on the precomp and choose -> Time -> Freeze Frame. Activate Roto Brush: Choose the Roto Brush tool in the toolbar (it looks like a brush drawing on a stick figure). Jul 24, 2012 · Go to the frame where you roto’d your still and precompose (Shift+cntl+c) it, make sure to select “Move all attributres into the new composition”. Everything in that shot is just various shades of dark blue, so Rotobrush is going to have a hard time knowing what to select. If you have problems go back to the Main Comp and Pre-compose the footage layer moving all attributes to the new composition. I can then start rotoscoping. You might also want to look into Runway which lets adjust your roto area significantly easier. Hold alt or option, then click and drag to paint the stuff you don't want How to Fix Rotobrush Error in After Effects (Step-by-Step Guide) Encountering errors while using the Rotobrush in After Effects? In this video, I'll guide you thmore Mar 9, 2020 · Hi community! I followed through the official adobe instruction on Rotobrushing and two tutorials on YouTube, but when I operate this tool things are kind of weird: 1. Why can't the roto-brush simply use whatever algorithm select subject uses? Jun 16, 2024 · 1. just learnt about it and i used it, all worked fine but few seconds later it just stopped working. If you can push your clip far enough (don't worry about making it look good, this layer is JUST to get your roto correct), then maybe you'll be able to get a good result out of Rotobrush. Sometimes it's fine, but othertimes every frame change starts it propogating over hundreds of frames and nothing I do seems to stop it. Jul 11, 2019 · Then Right Click on the Pre-comp (nested comp) and select open Layer Panel and try again. What to do when your rotobrush does THIS ELEVEN PERCENT 33. The problem i have is that i select roto brush ( follwed a tutorial), and as soon as i click the comp, it does a click thing and i think the whole video is selected inside a big rotobrush scene ( i can see an big Oct 15, 2017 · Hello, I want to use roto brush tool, but it doesn't work. Then the tool identifies where the boundary is in between. Thi Oct 14, 2024 · In this detailed how-to, learn how to use the Roto Brush tool in After Effects to provide an alternative, faster workflow for the creation of a matte. Just in case it's a GPU thing-a-mabob, here is my computer's set up. Mar 14, 2018 · AFTER EFFECTS TUTORIAL ABOUT USING THE ROTO BRUSH AND THE REFINE BRUSH! | Use the Roto Brush to create complex selections to rotoscope out a full head of hair effectively in After Effects. 2. Can anyone explain what is going on because this is the first time it’s ever happened. I hhave been reading many articles and watching videos on It's stupid behavior but afaik Rotobrush is just that stupid. This is the basic process to use Roto Brush on something that is really easy to select and how you can take those little- angled things, those little brackets and drag them one with the other to create the Roto Brush for the whole thing. It only goes a few frames ahead before you have to set a new keyframe–what you’re seeing is normal behavior for the tool. Any suggestions? Sep 30, 2023 · Sometimes when using rotobrush, the option to alter the brush size is greyed out (in the brushes panel). So when i first tried roto brush tonight it worked fine until i tried to use it again and every time i drew on the layer it didnt work and just outlined the border. I don't know what I need to do, to just select what I want. Sep 20, 2018 · The Rotobrush isn’t as intuitive as you might think. i cant select or delete anything, the whole image… How to Select Objects in After Effects (ROTO BRUSH) Justin Odisho 1. Once you’ve done that, you can play it pretty easily and you have now removed those guys from the background. trueRotoscope keeps moving by itself after going through every frame and manually adjusting. Step-by-step guide to frame-by-frame masking and isolating subjects for clean video edits. Use the search help field to find help files and tutorials on using Roto brush. gqhja v89xpzga vosq ekbuz4 du qs awdyll ztwzr qlxp asj