Jcg.geometry

Class Point_3

java.lang.Object

Jcg.geometry.Point_3

All Implemented Interfaces:

java.lang.Comparable<Point_>, Point_

public class Point_3
extends java.lang.Object
implements Point_

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.Double	x
java.lang.Double	y
java.lang.Double	z

Constructor Summary

Constructors

Constructor and Description
Point_3()
Point_3(java.lang.Number x, java.lang.Number y, java.lang.Number z)
Point_3(Point_ p)

Method Summary

Modifier and Type	Method and Description
void	barycenter(Point_[] points) Set the current point as the barycenter of an array of points
int	compareCartesian(Point_ o, int i) Compare the i-th coordinate of two points
int	compareTo(Point_ o) Compare two points (lexicographic order on coordinates)
int	dimension() Return the dimension of the space
java.lang.Number	distanceFrom(Point_3 p)
boolean	equals(java.lang.Object o)
java.lang.Number	getCartesian(int i) return the i-th cartesian coordinate of the point
java.lang.Number	getX()
java.lang.Number	getY()
java.lang.Number	getZ()
int	hashCode()
void	linearCombination(Point_[] points, java.lang.Number[] coefficients) Set the current point a linear combination of an array of points.
static Point_3	linearCombination(Point_3[] points, java.lang.Number[] coefficients)
Vector_	minus(Point_ b) Return the vector (p-q), where q is the current point
void	multiply(java.lang.Number n)
void	setCartesian(int i, java.lang.Number x) set the i-th cartesian coordinate
void	setOrigin() set the coordinates of the origin
void	setX(java.lang.Number x)
void	setY(java.lang.Number y)
void	setZ(java.lang.Number z)
java.lang.Number	squareDistance(Point_ p) Return the square distance ||p-q||^2, where q is the current point
Point_3	sum(Vector_ v)
java.lang.String	toString() Return a string (representation of the point)
void	translateOf(Vector_ v) Translate the current point according to a vector v

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Detail

x

public java.lang.Double x

y

public java.lang.Double y

z

public java.lang.Double z

Constructor Detail

Point_3

public Point_3()

Point_3

public Point_3(java.lang.Number x,
               java.lang.Number y,
               java.lang.Number z)

Point_3

public Point_3(Point_ p)

Method Detail

barycenter

public void barycenter(Point_[] points)

Description copied from interface: Point_

Set the current point as the barycenter of an array of points

Specified by:

barycenter in interface Point_

linearCombination

public void linearCombination(Point_[] points,
                              java.lang.Number[] coefficients)

Description copied from interface: Point_

Set the current point a linear combination of an array of points. Coefficients must sum to 1

Specified by:

linearCombination in interface Point_

linearCombination

public static Point_3 linearCombination(Point_3[] points,
                                        java.lang.Number[] coefficients)

getX

public java.lang.Number getX()

setX

public void setX(java.lang.Number x)

getY

public java.lang.Number getY()

setY

public void setY(java.lang.Number y)

getZ

public java.lang.Number getZ()

setZ

public void setZ(java.lang.Number z)

translateOf

public void translateOf(Vector_ v)

Description copied from interface: Point_

Translate the current point according to a vector v

Specified by:

translateOf in interface Point_

multiply

public void multiply(java.lang.Number n)

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

distanceFrom

public java.lang.Number distanceFrom(Point_3 p)

squareDistance

public java.lang.Number squareDistance(Point_ p)

Description copied from interface: Point_

Return the square distance ||p-q||^2, where q is the current point

Specified by:

squareDistance in interface Point_

toString

public java.lang.String toString()

Description copied from interface: Point_

Return a string (representation of the point)

Specified by:

toString in interface Point_

Overrides:

toString in class java.lang.Object

dimension

public int dimension()

Description copied from interface: Point_

Return the dimension of the space

Specified by:

dimension in interface Point_

getCartesian

public java.lang.Number getCartesian(int i)

Description copied from interface: Point_

return the i-th cartesian coordinate of the point

Specified by:

getCartesian in interface Point_

setCartesian

public void setCartesian(int i,
                         java.lang.Number x)

Description copied from interface: Point_

set the i-th cartesian coordinate

Specified by:

setCartesian in interface Point_

setOrigin

public void setOrigin()

Description copied from interface: Point_

set the coordinates of the origin

Specified by:

setOrigin in interface Point_

minus

public Vector_ minus(Point_ b)

Description copied from interface: Point_

Return the vector (p-q), where q is the current point

Specified by:

minus in interface Point_

sum

public Point_3 sum(Vector_ v)

compareTo

public int compareTo(Point_ o)

Compare two points (lexicographic order on coordinates)

Specified by:

compareTo in interface java.lang.Comparable<Point_>

Parameters:

o - the point to compare

compareCartesian

public int compareCartesian(Point_ o,
                            int i)

Compare the i-th coordinate of two points

Specified by:

compareCartesian in interface Point_

Parameters:

o - the point to compare

i - the i-th coordinate to compare

Returns:

the result is -1 if first point is smaller then point o, return 1 is first point is greater then o, and 0 otherwise