| Package | Description | 
|---|---|
| org.apache.commons.math3.geometry.spherical.twod | 
 This package provides basic geometry components on the 2-sphere. | 
| Class and Description | 
|---|
| Circle This class represents an oriented great circle on the 2-sphere. | 
| Edge Spherical polygons boundary edge. | 
| 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. | 
| SubCircle This class represents a sub-hyperplane for  Circle. | 
| Vertex Spherical polygons boundary vertex. | 
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