| Name | Description | Type | Package | Framework |
| AklToussaintHeuristic | A simple heuristic to improve the performance of convex hull algorithms. | Class | org.apache.commons.math3.geometry.euclidean.twod.hull | Apache Commons |
| ConvexHull2D | This class represents a convex hull in an two-dimensional euclidean space. | Class | org.apache.commons.math3.geometry.euclidean.twod.hull | Apache Commons |
| ConvexHullGenerator2D | Interface for convex hull generators in the two-dimensional euclidean space. | Interface | org.apache.commons.math3.geometry.euclidean.twod.hull | Apache Commons |
| DiskGenerator | Class generating an enclosing ball from its support points. | Class | org.apache.commons.math3.geometry.euclidean.twod | Apache Commons |
| Euclidean2D | This class implements a two-dimensional space. | Class | org.apache.commons.math3.geometry.euclidean.twod | Apache Commons |
| Line | This class represents an oriented line in the 2D plane. | Class | org.apache.commons.math3.geometry.euclidean.twod | Apache Commons |
| MonotoneChain | points in the two-dimensional euclidean space. | Class | org.apache.commons.math3.geometry.euclidean.twod.hull | Apache Commons |
| PolygonsSet | This class represents a 2D region: a set of polygons. | Class | org.apache.commons.math3.geometry.euclidean.twod | Apache Commons |
| Segment | Simple container for a two-points segment. | Class | org.apache.commons.math3.geometry.euclidean.twod | Apache Commons |
| SubLine | This class represents a sub-hyperplane for Line. | Class | org.apache.commons.math3.geometry.euclidean.twod | Apache Commons |
| Vector2D | This class represents a 2D vector. | Class | org.apache.commons.math3.geometry.euclidean.twod | Apache Commons |
| Vector2DFormat | Formats a 2D vector in components list format {x; y}. | Class | org.apache.commons.math3.geometry.euclidean.twod | Apache Commons |