Nodes · Transform
QuadTracker
Transformv1coreConcat: Xform
Overview
Tracks four points as a plane — feeds CornerPin for screens and signs.
How to
How-to
- Place the four trackers on the corners of a plane; set
anchorpositions and press Track. - Bake to a FourCorner with the node's button;
operationpicks stabilise or match-move.
Inputs
| Input | What it takes |
|---|---|
| in | the image this node works on |
Outputs
| Output | Type |
|---|---|
| out | Image |
Parameters
| Parameter | Type | Default | What it does |
|---|---|---|---|
| track1 | Float2 | [760.0, 340.0] | One corner of the tracked plane on this frame. |
| track2 | Float2 | [1160.0, 340.0] | One corner of the tracked plane on this frame. |
| track3 | Float2 | [1160.0, 740.0] | One corner of the tracked plane on this frame. |
| track4 | Float2 | [760.0, 740.0] | One corner of the tracked plane on this frame. |
| anchor1 | Float2 | [760.0, 340.0] | The corner's position on the reference frame. |
| anchor2 | Float2 | [1160.0, 340.0] | The corner's position on the reference frame. |
| anchor3 | Float2 | [1160.0, 740.0] | The corner's position on the reference frame. |
| anchor4 | Float2 | [760.0, 740.0] | The corner's position on the reference frame. |
| operation | Choice | stabilize | stabilize holds the tracked feature still; matchmove applies its motion to the input; none only tracks. stabilizematchmovenone |
| patch_radius | Int | 12 | Half-size in pixels of the pattern the tracker matches. Bigger is steadier, smaller follows fine detail. |
| search_radius | Int | 64 | The farthest, in pixels, the feature may move between frames — a cap on the search; the tracker sizes its search inside it. |
| filter | Choice | bilinear | The resampling filter. Cubic for general work; impulse to keep hard pixels. impulsebilinearcubicmitchelllanczos |
| disabled | Bool | false | Bypass: the node passes its first input through untouched (D in the graph). The knobs keep their values for when it comes back. |
| label | Text | A note shown under the node in the graph — what this node is FOR. Never affects the render or the cache. | |
| hide_input | Bool | false | Draw the node without its input wire — a tidy graph for a node whose source is obvious (a Dot, a viewer tap). |
See also
- Camera Tracker (HDCT) — How to get a solved 3D camera out of a plate.