Radial blur
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Radial blur is a Blur & sharpen effect.
What it does
Section titled “What it does”A blur that extends around a centre point, or blurs directed outwards from the centre point.
Parameters
Section titled “Parameters”| Parameter | Control | Range | Default | Unit |
|---|---|---|---|---|
| Amount | Slider | 0 to 2000; higher | 150 | Pixels at composition size |
| Centre X | Slider | 0 to 3840; any value by typing | 960 | Pixels at composition size |
| Centre Y | Slider | 0 to 2160; any value by typing | 540 | Pixels at composition size |
| Type | Dropdown | Spin · Zoom | Spin | - |
| Edges | Dropdown | Transparent · Repeat · Mirror | Repeat | - |
| Mix | Slider | 0 to 100 | 100 | Per cent |
| Blend | Dropdown | Normal · Darken · Multiply · Colour burn · Linear burn · Darker colour · Add · Lighten · Screen · Colour dodge · Lighter colour · Overlay · Soft light · Hard light · Linear light · Vivid light · Pin light · Hard mix · Difference · Exclusion · Subtract · Divide · Hue · Saturation · Colour · Luminosity | Normal | - |
| Matte | Layer | Any layer in the composition | None | - |
| Invert | Checkbox | On or off | Off | - |
| Channel | Dropdown | Luminance · Alpha · Red · Green · Blue | Luminance | - |
In the Effect Controls panel:
- Matte scales Amount per pixel: white sweeps the full Amount, grey a shorter one, black not at all. Invert reads that matte inverted.
What each control does
Section titled “What each control does”- Amount is the peak blur. Pixels nearer the centre get proportionally less.
- Centre X and Centre Y place where the spin or zoom originates.
- Type: Spin revolves the centre. Zoom extends out from the centre point.
- Edges: what the blur reads past the frame. Mirror reflects the picture at the edges.
- Mix: how much of the result replaces the original.