Class BetaVertex

java.lang.Object

jaba.BetaVertex

public class BetaVertex
extends Object

A class defining a vertex.

Version:

1.1

Author:

Chris Pudney cpudney@alphapharm.pharm.uwa.edu.au

Constructor Summary

Constructors

Constructor	Description
BetaVertex()
BetaVertex(double[] v)
BetaVertex(double x, double y, double z)

Method Summary

Modifier and Type	Method	Description
static BetaVertex[]	bounds(BetaVertex v1, BetaVertex v2, BetaVertex v3)	Returns the pair of vertices that bound three collinear vertices.
boolean	CircaEquals(BetaVertex b)
static boolean	collinear(BetaVertex v1, BetaVertex v2, BetaVertex v3)	Tests whether three vertices are collinear.
static double	distanceSquared(BetaVertex v1, BetaVertex v2)	Returns the square of the distance between two vertices.
double[]	getCoords()
double	getX()
double	getY()
double	getZ()
static boolean	sameVertex(BetaVertex v1, BetaVertex v2)	Tests whether two vertices are the same point.
String	toString()	Returns a string that describes a vertex.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

BetaVertex

public BetaVertex()

BetaVertex

public BetaVertex(double x,
 double y,
 double z)

BetaVertex

public BetaVertex(double[] v)

Method Details

getCoords

public double[] getCoords()

getX

public double getX()

getY

public double getY()

getZ

public double getZ()

sameVertex

public static boolean sameVertex(BetaVertex v1,
 BetaVertex v2)

Tests whether two vertices are the same point.

Returns:

True/false if the vertices are the same/different.

collinear

public static boolean collinear(BetaVertex v1,
 BetaVertex v2,
 BetaVertex v3)

Tests whether three vertices are collinear.

Returns:

True/false if the vertices are collinear/non-collinear

bounds

public static BetaVertex[] bounds(BetaVertex v1,
 BetaVertex v2,
 BetaVertex v3)

Returns the pair of vertices that bound three collinear vertices.

Returns:

An array of two vertices that bound the tested vertices

distanceSquared

public static double distanceSquared(BetaVertex v1,
 BetaVertex v2)

Returns the square of the distance between two vertices.

Returns:

the distance squared between them

CircaEquals

public boolean CircaEquals(BetaVertex b)

toString

public String toString()

Returns a string that describes a vertex.

Overrides:

toString in class Object