# Package org.apache.commons.math3.geometry.spherical.twod

This package provides basic geometry components on the 2-sphere.

See: Description

Class Summary Class Description Circle This class represents an oriented great circle on the 2-sphere.S2Point This class represents a point on the 2-sphere.Sphere2D This class implements a two-dimensional sphere (i.e.SphericalPolygonsSet This class represents a region on the 2-sphere: a set of spherical polygons.SphericalPolygonsSet.Edge Spherical polygons edge.SphericalPolygonsSet.Vertex Spherical polygons vertex.SubCircle This class represents a sub-hyperplane for`Circle`

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## Package org.apache.commons.math3.geometry.spherical.twod Description

This package provides basic geometry components on the 2-sphere.

We use here the topologists definition of the 2-sphere (see Sphere on MathWorld), i.e. the 2-sphere is the two-dimensional surface defined in 3D as x^{2}+y^{2}+z^{2}=1.

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