Jcg.geometry

Class Segment_2

java.lang.Object

Jcg.geometry.Segment_2

All Implemented Interfaces:

Segment_

public class Segment_2
extends java.lang.Object
implements Segment_

Field Summary

Fields

Modifier and Type	Field and Description
Point_2	p
Point_2	q

Constructor Summary

Constructors

Constructor and Description
Segment_2()
Segment_2(Point_2 p, Point_2 q)

Method Summary

Modifier and Type	Method and Description
int	dimension()
boolean	hasOn(Point_ p) A point is on s, iff it is equal to the source or target of s, or if it is in the interior of s
boolean	isDegenerate() segment s is degenerate, if source and target fall together
Vector_	opposite() returns a segment with source and target interchanged
Point_	source()
java.lang.Number	squaredLength() returns the squared length
Point_	target()
java.lang.String	toString()
Vector_	toVector() returns the vector s.target() - s.source()
Point_	vertex(int i)

Methods inherited from class java.lang.Object

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

Field Detail

p

public Point_2 p

q

public Point_2 q

Constructor Detail

Segment_2

public Segment_2()

Segment_2

public Segment_2(Point_2 p,
                 Point_2 q)

Method Detail

source

public Point_ source()

Specified by:

source in interface Segment_

target

public Point_ target()

Specified by:

target in interface Segment_

vertex

public Point_ vertex(int i)

Specified by:

vertex in interface Segment_

toVector

public Vector_ toVector()

returns the vector s.target() - s.source()

Specified by:

toVector in interface Segment_

opposite

public Vector_ opposite()

returns a segment with source and target interchanged

squaredLength

public java.lang.Number squaredLength()

returns the squared length

hasOn

public boolean hasOn(Point_ p)

A point is on s, iff it is equal to the source or target of s, or if it is in the interior of s

isDegenerate

public boolean isDegenerate()

segment s is degenerate, if source and target fall together

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

dimension

public int dimension()