Vision node
Face Landmark
Extracts a face's center and size from Vision Tracking. Attach to a person (within a tolerance) or pick Any; outputs center position and width/height.
Inputs
| Port | Type | Default |
|---|---|---|
| BodyVision Tracking's Body output, used only as the attachment reference — the face is matched to that person's nose. Not needed when Person is Any. | json | — |
| FacesVision Tracking's Faces output — the pool of detected faces this picks from. Nothing connected reports not found. | json | — |
| PersonWhose face to follow. Any takes the first detected face with no attachment; a person index takes the face nearest that person's head. | int | -1 |
| ToleranceHow near a face must be to the person's head to count as theirs, in Grafit units. Anything under 0.001 is raised to it; widen it if the face keeps dropping out. | float | 0.02 |
Outputs
| Port | Type |
|---|---|
| X | float |
| Y | float |
| Width | float |
| Height | float |
| Found | bool |
What It Does
Reports a detected face's center position and size (width & height). Perfect for pinning a graphic to someone's face or scaling an effect with how close they are to the camera.
How It Works
Connect Vision Tracking's Face output (and optionally Body). Choose a Person to attach the face to (it picks the face nearest that person's nose, within a Tolerance), or "Any" to grab the first face. Outputs are the face's X, Y center and its Width / Height in Grafit units — bigger numbers mean the face is closer.
Parameters
| Parameter | What it does |
|---|---|
| Person | Attach to a specific person, or "Any". |
| Tolerance | How close a face must be to the person's nose to count. |
Examples
- Face sticker — drive an Image node's position from X/Y and its size from Width/Height → a hat or mask that tracks the face.
- Proximity reaction — feed Width into a Remap → make a visual grow as the viewer leans in.
Tips
- For per-feature contours (eyes, lips, jaw) use the Face Skeleton node instead — this node gives the overall face box.
- Pair with Face Crop to actually cut out the face image.
Open Face Landmark in the interactive catalog →
Face Landmark is one of 381 nodes in Grafit Pro.
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