Jcg.geometry

Class PointCloud_d

java.lang.Object

Jcg.geometry.PointCloud<Point_d>

Jcg.geometry.PointCloud_d

public class PointCloud_d
extends PointCloud<Point_d>

Class representing a collection of points (in dimension d)

Version:

jan 2014

Author:

Luca Castelli Aleardi, Ecole Polytechnique (INF562)

Constructor Summary

Constructors

Constructor and Description
PointCloud_d(java.util.ArrayList<Point_d> points) Create a new point cloud (a copy) from a collection of points
PointCloud_d(int d) Create a new empty point cloud
PointCloud_d(int n, int d) Create a point cloud of size n

Method Summary

Modifier and Type	Method and Description
Point_d[]	boundingBox() Compute the bounding box (enclosing all points)
Point_d	max(int d) Return the point with greatest coordinate value (in direction d)
Point_d	min(int d) Return the point with smallest coordinate value (in direction d)
static PointCloud_d	pointsInSphere(int n, int d) Generate points inside a d-dimensional sphere at random

Methods inherited from class Jcg.geometry.PointCloud

add, dimension, listOfPoints, remove, size

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PointCloud_d

public PointCloud_d(int d)

Create a new empty point cloud

PointCloud_d

public PointCloud_d(int n,
                    int d)

Create a point cloud of size n

Parameters:

n - number of points

PointCloud_d

public PointCloud_d(java.util.ArrayList<Point_d> points)

Create a new point cloud (a copy) from a collection of points

Parameters:

a - list of points (stored as an ArrayList)

Method Detail

boundingBox

public Point_d[] boundingBox()

Compute the bounding box (enclosing all points)

Specified by:

boundingBox in class PointCloud<Point_d>

Returns:

Point_3[] the array containing the min and max bounds

max

public Point_d max(int d)

Return the point with greatest coordinate value (in direction d)

Specified by:

max in class PointCloud<Point_d>

Parameters:

d - dimension (0 or 1, corresponding to x or y axis)

Returns:

Point_2 the greatest point (with greatest d-coordinate)

min

public Point_d min(int d)

Return the point with smallest coordinate value (in direction d)

Specified by:

min in class PointCloud<Point_d>

Parameters:

d - dimension (0 or 1, corresponding to x or y axis)

Returns:

Point_2 the smallest point (with smallest d-coordinate)

pointsInSphere

public static PointCloud_d pointsInSphere(int n,
                                          int d)

Generate points inside a d-dimensional sphere at random

Parameters:

n - the number of points