Add text that sticks convincingly to tracked surfaces in After Effects by using the 3D Camera Tracker to anchor titles to points or planes in your footage. Learn how to align, format, and enhance text so it integrates naturally with real-world camera movement.
Key insights
- Using the 3D Camera Tracker allows you to attach text either to a single tracked point or align it to a flat surface by selecting three or more points, creating a target that matches the plane of the environment.
- Classic 3D supports blending modes and flat 3D layers, while Advanced 3D enables extruded text and bevels but disables blending modes, effects on 3D layers, and track mattes.
- Extruded and beveled text requires adjustments such as scale, tracking, and line spacing to maintain readability, especially when deeper geometry causes characters to overlap or obscure one another.
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As with any 3D camera tracking project, the composition and the source footage layer must be the same dimensions. The easiest way to guarantee this is to create the composition directly from the footage by right-clicking the clip in the project panel and choosing New Comp from Selection.
The 3D Camera Tracker is designed for a single continuous camera movement. It is not intended for pre-cut footage with jump cuts or interruptions in the camera signal. If the shot has discontinuities, the solve will fail.
If you want to work with a shorter section of a longer clip to save time during the solve, you can trim the composition duration in Composition Settings before applying the tracker.
Tracking the Footage
Right-click the footage layer in the timeline, go to Track and Stabilize, and choose Track Camera. The effect will run its two-stage background process: first analyzing the footage, then solving the camera motion. The time this takes depends on the length of the clip and the speed of your computer.
Once the solve is complete, the track points appear as colored dots across the frame. They are only visible when the 3D Camera Tracker effect is selected in the timeline. If the points disappear unexpectedly, check that Show Layer Controls has not been turned off accidentally, either through the View menu or by an accidental keyboard shortcut.
If the points are too small to work with comfortably, increase the Track Point Size setting in the effect controls. This is a display setting only and does not affect the tracking data.
Selecting Points and Identifying a Surface Plane
To align text to a surface, you need to select a group of three or more track points that lie on that surface. As you hover between track points, After Effects displays a circular target indicator showing the plane defined by the nearby points. Selecting specific points with Shift-click gives you more control over which plane is being defined.
Look for a target that appears parallel to the surface you want to use. For a beach or water scene, you want the target to line up with the flat plane of the water rather than tilting at an angle. If your selection produces a poorly oriented target, undo, deselect, and try a different group of points.
Creating Text Aligned to a Surface
Once you have a good target, right-click on it and choose Create Text and Camera. If you have not yet created the After Effects camera from the tracker, this option creates both at the same time. Without the camera, none of the 3D placement works, so this combined option ensures everything is set up correctly.
After Effects creates a text layer aligned to the plane defined by your selected points and places the camera in the composition with keyframes matching the original camera movement. The text will now sit on the surface and move with it as the camera travels through the scene.
Double-click the text layer to select all of the text and type your replacement content. Then click on the layer itself to select the whole layer and apply font, size, and color changes to the entire block of text.
Positioning and Formatting the Text
Once the text is created, you can reposition it within the plane, rotate it, and scale it. The one value you should generally leave alone is the Z position. Changing the Z position moves the text off the surface plane it was aligned to, which can cause it to appear to float above or sink into the scene as the camera moves.
Adjust font size to keep the text readable at the scale of the scene. Use the tracking control to spread letters apart if they are sitting too close together, particularly if you plan to add extrusion or beveling later.
Adding a Blending Mode
To make text blend into the surface rather than sitting on top of it, right-click the text layer and assign a blending mode. Soft Light is a good starting point for integrating text into a natural environment like water or terrain. The blending mode responds to the color of the text, so choosing a saturated color will produce a more visible result than black or white, which tend to produce a weak effect with most blending modes.
Note that blending modes are only available in the Classic 3D renderer. If you switch to Advanced 3D, blending modes are disabled along with effects and track mattes on 3D layers.
Classic 3D vs. Advanced 3D: What Each Allows
After Effects offers two 3D renderers, selectable in Composition Settings under the 3D Renderer tab:
- Classic 3D: Layers are flat planes positioned in 3D space. Blending modes, effects, and track mattes all work normally. Text cannot be extruded or beveled.
- Advanced 3D: Enables imported 3D models, parametric primitives (cube, sphere, torus, etc.), and geometry options for text including extrusion and beveling. However, blending modes, effects, and track mattes are not available on 3D layers in this mode.
Choose the renderer based on what your shot requires. If blending modes are important for the look of the text, stay in Classic 3D. If you want the depth and dimensionality of extruded 3D text, switch to Advanced 3D.
Creating Extruded 3D Text
When working in Advanced 3D, text layers gain Geometry Options in the timeline. Expanding this section reveals the Extrusion Depth property. Increasing this value from zero gives the text physical depth, turning flat letterforms into solid 3D objects.
Keep the extrusion depth modest. A value that looks subtle in the timeline can read as quite heavy when the camera is close to the text. Start low and increase gradually.
The Bevel Style option adds an angled or curved face to the edges of each letter. Angular, concave, and convex bevel styles are available. Adding a bevel increases the apparent width of each letter, so if the letters were already close together, they may overlap and become unreadable. Widen the tracking between letters before adding a bevel, and adjust the Bevel Depth to keep the letterforms clean and legible.
Placing Text at a Single Point
You do not always need to select multiple points to define a surface plane. If you want to attach text to a single location in the scene rather than aligning it flat to a surface, click on a single track point, right-click, and choose Create Text. The text will be positioned at that point in 3D space.
Text placed at a single point can be rotated freely to face the camera or orient in any direction. As with surface-aligned text, avoid changing the Z position after placement, since that will break its relationship with the tracked point.
This article is part of a continuing series on motion tracking and compositing techniques in After Effects.