# Neighborhoods

Meshes.NeighborhoodType
Neighborhood

A neighborhood is a geometry that is not attached to any specific point in the space, and is free to slide over a domain of interest.

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Meshes.NormBallType
NormBall(radius, [metric])

A norm ball with radius and metric. Default metric is Euclidean().

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Meshes.EllipsoidType
Ellipsoid(semiaxes, angles; convention=TaitBryanExtr)

An ellipsoid with semiaxes and angles according to the rotation convention.

• For 2D ellipses, there are two semiaxes and one rotation angle.
• For 3D ellipsoids, there are three semiaxes and three rotation angles.

The list of available conventions can be found with subtypes(RotationConvention).

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