Swirl node — Natron 2.5.0 documentation

# Swirl node

This documentation is for version 2.9 of Swirl (net.fxarena.openfx.Swirl).

## Description

Swirl effect using ImageMagick.

## Inputs

Input | Description | Optional
--- | --- | ---
Source |  | No
Mask |  | Yes

## Controls

Parameter / script name | Type | Default | Function
--- | --- | --- | ---
OpenMP / `openmp` | Boolean | Off | Enable/Disable OpenMP support. This will enable the plugin to use as many threads as allowed by host.
Matte / `matte` | Boolean | Off | Merge Alpha before applying effect.
Virtual Pixel / `vpixel` | Choice | Transparent | Virtual Pixel Method. Undefined Background Black CheckerTile Dither Edge Gray HorizontalTile HorizontalTileEdge Mirror Random Tile Transparent VerticalTile VerticalTileEdge White
Amount / `amount` | Double | 60 | Swirl amount.