Stroke
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Stroke is a Generate effect.
What it does
Section titled “What it does”Stroke draws a round stroke along a mask’s path.
Parameters
Section titled “Parameters”| Parameter | Control | Range | Default | Unit |
|---|---|---|---|---|
| Mask | Masks | This layer’s masks | First mask | - |
| Colour | Colour | Each channel 0 to 4, scene-linear | 1, 1, 1, 1 | - |
| Brush size | Slider | 0.5 to 100; down to 0.1 and higher | 8 | Pixels at composition size |
| Brush hardness | Slider | 0 to 100 | 75 | Per cent |
| Spacing | Slider | 1 to 500; higher | 15 | Per cent |
| Start | Slider | 0 to 100 | 0 | Per cent |
| End | Slider | 0 to 100 | 100 | Per cent |
| Paint style | Dropdown | On original · On transparent · Reveal original | On original | - |
| Opacity | Slider | 0 to 100 | 100 | Per cent |
| 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 Opacity per pixel: white lays the brush down in full, grey faintly, black not at all. Invert reads that matte inverted.
What each control does
Section titled “What each control does”- Mask: which of the layer’s masks to draw.
- Colour: the brush’s colour.
- Brush size: how wide the brush stroke is.
- Brush hardness: how crisp its edge is.
- Spacing: how far apart brush stamps are.
- Start and End: beginning and end points for the brush stroke.
- Paint style: what the stroke lands on. On original paints over the layer; On transparent keeps the stroke and makes the rest of the layer transparent; Reveal original keeps the picture only where the brush appears and hides the rest.
- Opacity: how strong the brush is.
- Mix: how much of the result replaces the original.
- Matte and Invert drive the strength of the effect from another layer’s brightness; see Effects.