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Overview
The Swirl filter distorts the terrain in a spiral pattern around the centre of the referenced area.
Parameters
- Mask Layer
Allows you to specify an mask layer in which the swirl will be applied.
- Use Mask Texture
Uses the painted mask area of the mask instead of the full mask area.
- Strength
The strength of the swirl effect.
- Size
Scales the swirl effect.
Results
 swirl effect on the whole terrain |  masked swirl effect |