Jcg.geometry

Class PolyLine_2

java.lang.Object

Jcg.geometry.PointCloud<Point_2>

Jcg.geometry.PointCloud_2

Jcg.geometry.PolyLine_2

All Implemented Interfaces:

PolyLine_<Point_2>

public class PolyLine_2
extends PointCloud_2
implements PolyLine_<Point_2>

Class representing a polyline in the plane (ordered sequence of points in 2D)

Version:

dec 2012

Author:

Luca Castelli Aleardi, Ecole Polytechnique (INF562)

Constructor Summary

Constructors

Constructor and Description
PolyLine_2() Create a new empty polyline
PolyLine_2(java.util.ArrayList<Point_2> points) Create a new polyline (a copy of the list is created) from a collection of points
PolyLine_2(int n) Create a polyline of size n
PolyLine_2(PointCloud_2 pointCloud) Create a polyline from a point cloud (there is no copy of the list)

Method Summary

Modifier and Type	Method and Description
void	addFirst(Point_2 p) A a point to the polyline
void	addLast(Point_2 p) Append a point to the polyline
java.util.Collection<Segment_2>	computeSegments() Compute and return the list of segments defining the polyline

Methods inherited from class Jcg.geometry.PointCloud_2

boundingBox, max, min, pointsInCircle

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

PolyLine_2

public PolyLine_2()

Create a new empty polyline

PolyLine_2

public PolyLine_2(int n)

Create a polyline of size n

Parameters:

n - number of points

PolyLine_2

public PolyLine_2(java.util.ArrayList<Point_2> points)

Create a new polyline (a copy of the list is created) from a collection of points

Parameters:

points - a collection of points

PolyLine_2

public PolyLine_2(PointCloud_2 pointCloud)

Create a polyline from a point cloud (there is no copy of the list)

Parameters:

a - point cloud

Method Detail

addFirst

public void addFirst(Point_2 p)

Description copied from interface: PolyLine_

A a point to the polyline

Specified by:

addFirst in interface PolyLine_<Point_2>

addLast

public void addLast(Point_2 p)

Description copied from interface: PolyLine_

Append a point to the polyline

Specified by:

addLast in interface PolyLine_<Point_2>

computeSegments

public java.util.Collection<Segment_2> computeSegments()

Compute and return the list of segments defining the polyline