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 | Description | Data Type | Required | Range |
|---|---|---|---|---|
track_data | The tracking data containing packed masks and object information from a SAM3 tracking node. | TRACK_DATA | Yes | - |
images | Optional input images to use as the background for the preview. If not provided, a black background is used. | IMAGE | No | - |
opacity | The opacity of the color overlay applied to tracked objects (default: 0.5). | FLOAT | No | 0.0 to 1.0 (step: 0.05) |
fps | The frame rate of the output video (default: 24.0). | FLOAT | No | 1.0 to 120.0 (step: 1.0) |
Outputs
| Output Name | Description | Data Type |
|---|---|---|
ui | A UI element that displays the generated preview video. No tensor data is returned. | PREVIEW_VIDEO |
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