Method
This node attempts to analyse an image and visualise the movement of objects in the scene, using different techniques depending on the mode selected.
Attributes
Name | Description |
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Preview In Viewport | Preview the effect blended with alpha in the viewport. |
Preview RGB In Viewport | Preview the RGB values in the viewport. |
Preview Alpha In Viewport | Preview the alpha values in the viewport. |
Previous Frame Blend | How much of the previous frames blend with the current frame. |
Previous Frame Directional Dependence | How much the directional movement of the previous frame affects the current frame. |
Num Levels | How many levels of motion can be tracked. |
Optical Flow Mode | Change the way the optical flow motion is calculated.
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Output Velocity Magnitudes | Forces the output to only show the magnitude. This only affects the output image, and not the internal motion vectors. |
Output Velocity Angle And Magnitude | Outputs both the velocity angle and magnitudes. This only affects the output image, and not the internal motion vectors. |
Optical Flow Scale | Scale the movement that is output. |
Num Dilate Passes | How many times the dilate pass is run. |
Inputs
Name | Description | Typical Node Input |
---|---|---|
Effect Mask | Mask out areas that Post-FX applied to this node won’t be applied. | Video Loader |
Alpha Image | Add an image to control the alpha values of the image. | Video Loader |
Outputs
This node outputs either an image or a set of motion vectors depending on the context.