Background Subtract
Updated: 8 Sep 2025
TBC
Background Subtract
Method #
This node …
Parameters
Parameter Details Preview In Viewport
TBC
Apply PostFX Before Alpha Image Input (Legacy)
TBC
Difference Tolerance
TBC
History Update Rate
TBC
Visualise History Buffer
TBC
The properties control the time at which the node is active. See Timeline for editing time segments.
Parameter Details Duration
Control the duration of the node’s time segment.
- Composition Duration : Use the length of the composition for the node’s time segment duration.
- Custom : Set a custom duration for the node’s time segment.
Node Time
The custom start and end time for the node.
Duration (Timecode)
The length of the node’s time segment (in time).
Duration (Frames)
The length of the node’s time segment (in frames).
Time Segment Enabled
Set whether the node’s time segment is enabled or not in the Timeline.
Inputs
| Parameter | Details |
|---|---|
| Preview In Viewport | TBC |
| Apply PostFX Before Alpha Image Input (Legacy) | TBC |
| Difference Tolerance | TBC |
| History Update Rate | TBC |
| Visualise History Buffer | TBC |
The properties control the time at which the node is active. See Timeline for editing time segments.
| Parameter | Details |
|---|---|
| Duration |
Control the duration of the node’s time segment.
|
| Node Time | The custom start and end time for the node. |
| Duration (Timecode) | The length of the node’s time segment (in time). |
| Duration (Frames) | The length of the node’s time segment (in frames). |
| Time Segment Enabled | Set whether the node’s time segment is enabled or not in the Timeline. |
| Name | Description | Typical Input |
|---|---|---|
| Effect Mask | TBC | TBC |
| Alpha Image | TBC | TBC |
| Image Width | TBC | TBC |
| Image Height | TBC | TBC |
| History Update Rate | TBC | TBC |
| Difference Tolerance | TBC | TBC |