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Documentation : Effex : Objects : Operators

### VOP::Smoother

Node Params
VOP::Smoother

The levelset smoother allows to smooth any Effex volume (volume, csg, surface reconstructor). This is especially useful to smooth liquid volumes generated from particles (which the surface reconstructor does).
The algorithm uses a levelset/sdf (so it is grid based) to smooth the surface and tries to preserve details.
What does it do? It consists of 3 main steps:
- pushing the volume surface outward (Laplacian smoothing)
- pushing it inward. (Biharmonic smoothing)
- Inbetween it recalculates the volume distances (redistancing) trying to keep details
The pushing and pulling happens by using two different particle radii.