Documentation Index
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Overview
This node creates a video preview of tracked objects, drawing each tracked object with a distinct color overlay and a number label. It does not output any image or video tensors — instead, it saves the resulting preview video directly to a temporary file.Inputs
| Parameter | Data Type | Required | Range | Description |
|---|---|---|---|---|
track_data | TRACK_DATA | Yes | - | The tracking data containing packed masks and object information from a SAM3 tracking node. |
images | IMAGE | No | - | Optional input images to use as the background for the preview. If not provided, a black background is used. |
opacity | FLOAT | No | 0.0 to 1.0 (step: 0.05) | The opacity of the color overlay applied to tracked objects (default: 0.5). |
fps | FLOAT | No | 1.0 to 120.0 (step: 1.0) | The frame rate of the output video (default: 24.0). |
Outputs
| Output Name | Data Type | Description |
|---|---|---|
ui | PREVIEW_VIDEO | A UI element that displays the generated preview video. No tensor data is returned. |
Source fingerprint (SHA-256):
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