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Documentation : Effex : Developer API : Classes : Particles

### NeighborData

NeighborData

This class is returned by the ParticleGroup::FindNeighbors function and contains information about a neighboring particle.

#### int index

The particle index of this neighbor in the particle subgroup.

#### double rr

The squared euclidean distance of the neighbor particle to the sampled position.

#### double r

The euclidean distance of the neighbor particle to the sampled position.