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Introduction
This is the final result we'll create, the color pop effect, where the old fan remains colored as it moves across the bridge, while the sea, sky, and surrounding bridge turn into black and white. Let's get started. Hello, welcome back to the complete Adobe After Effects series from Cerdas Inovasi Digital. Besides rotobras, rotoscoping can also be done with masks. To make the mask follow a moving object, After Effects has track masks that automatically animate the mask path. Create a composition from the fan footage on the bridge and go to frame 3.
Step 1: Two footage layers
Duplicate the footage and rename it as 'fan berwarna'. The bottom footage will be converted to black and white, while the top layer will only keep the fan.
Step 2: Mask follows the car
Select the 'fan berwarna' and the Pen Tool. Click on points around the fan, roof, sides, wheels, and bumper, until the mask is closed. For rotoscoping, the mask should be slightly smaller than the object, not larger. Right-click on mask 1, and select Track Mask.
Step 3: Track Mask
The Tracker panel becomes the mask tracker. Select the method Position, Scale and Rotation because the fan gets bigger as it approaches, then click Track Forward. The mask follows the fan frame by frame.
Step 4: Manual correction
Check a few frames. If there is a part that is misaligned, go to that frame, select the mask points, and adjust them. The mask keyframes are updated at that frame. Then fill the mask feather to 3 pixels so the edges blend smoothly.
Step 5: Black and white world
Select the bottom footage, apply the Black and White effect. Everything becomes black and white, except the fan on the top layer that remains colored. Add a little contrast via Kerf to make the background more dramatic.
Step 6: Preview
Preview from frame 3 to frame 5. The white fan with red accents moves through the black and white world. This kind of color pop effect is often used in music videos and commercials.
Done!
Done. We have drawn the pen mask following the fan. Using track mask with position, scale, and rotation. Fixing mask keyframe. Adding fader. And creating color pop effect. In the next episode, we will remove the object with our feel content. Need a promotional video? Logo animation? Motion graphics for social media? Or visual effects for short films? Cerdas Inovasi Digital provides motion graphics and visual effects services. As well as opening After Effects courses from beginner to advanced. Want to master the entire series? 104 episodes from interface to final project? All episodes are complete with PDF step-by-step guides, source footage, and project scripts available for premium tutorial customers. Subscribe starting at Rp69.000 per month, save 28% with the 12-month package, or one-time payment of Rp999.000 for lifetime access. Want just one class? Buy single class with lifetime access. Subscribe now at the premium page cerdasinovasidigital.com. Contact us via WhatsApp, or visit cerdasinovasidigital.com. Thank you for watching, see you in the next episode. Thank you for watching, Thank you for watching,
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Cerdas Inovasi Digital Team
Software developers, BIM & 3D engineers, and AI practitioners
52 video classes1,276 episodes
We build software, BIM models, games and AI automations for clients every day, and turn that hands-on work into step-by-step classes: every step is shown on screen and comes with a PDF guide you can keep.
