ConvexHull2D (Apache Commons Math 3.6.1 API)

java.lang.Object

org.apache.commons.math3.geometry.euclidean.twod.hull.ConvexHull2D

All Implemented Interfaces:: Serializable, ConvexHull<Euclidean2D,Vector2D>

public class ConvexHull2D extends Object implements ConvexHull<Euclidean2D,Vector2D>, Serializable

This class represents a convex hull in an two-dimensional euclidean space.

Since:

3.3

See Also:

Constructor Summary

Constructors

Constructor

Description

ConvexHull2D(Vector2D[] vertices, double tolerance)

Simple constructor.
Method Summary

Modifier and Type

Method

Description

Region<Euclidean2D>

createRegion()

Returns a new region that is enclosed by the convex hull.

Segment[]

getLineSegments()

Get the line segments of the convex hull, ordered.

Vector2D[]

getVertices()

Get the vertices of the convex hull.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- ConvexHull2D
  
  public ConvexHull2D(Vector2D[] vertices, double tolerance) throws MathIllegalArgumentException
  
  Simple constructor.
  
  Parameters:
  
  vertices - the vertices of the convex hull, must be ordered
  
  tolerance - tolerance below which points are considered identical
  
  Throws:
  
  MathIllegalArgumentException - if the vertices do not form a convex hull
Method Details
- getVertices
  
  public Vector2D[] getVertices()
  
  Get the vertices of the convex hull.
  
  Specified by:
  
  getVertices in interface ConvexHull<Euclidean2D,Vector2D>
  
  Returns:
  
  vertices of the convex hull
- getLineSegments
  
  public Segment[] getLineSegments()
  
  Get the line segments of the convex hull, ordered.
  
  Returns:
  
  the line segments of the convex hull
- createRegion
  
  public Region<Euclidean2D> createRegion() throws InsufficientDataException
  
  Returns a new region that is enclosed by the convex hull.
  
  Specified by:
  
  createRegion in interface ConvexHull<Euclidean2D,Vector2D>
  
  Returns:
  
  the region enclosed by the convex hull
  
  Throws:
  
  InsufficientDataException - if the number of vertices is not enough to build a region in the respective space