Jcg.geometry

Class Vector_2

java.lang.Object

Jcg.geometry.Vector_2

All Implemented Interfaces:

Vector_

Direct Known Subclasses:

Vector_3

public class Vector_2
extends java.lang.Object
implements Vector_

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
Vector_2()
Vector_2(java.lang.Number x, java.lang.Number y)
Vector_2(Point_2 a, Point_2 b)

Method Summary

Modifier and Type	Method and Description
Vector_2	difference(Vector_ v) Return the vector difference (v-u), where u is the current vector
int	dimension() Return the dimension of the space
Vector_2	divisionByScalar(java.lang.Number s) Return a new vector obtained by scalar division
boolean	equals(Vector_ v) Check equality between two vectors
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	innerProduct(Vector_ v) Return the inner product of two vectors
Vector_2	multiplyByScalar(java.lang.Number s) Return a new vector obtained by multiplying by a scalar
Vector_2	opposite() Return the opposite of the current vector
Vector_2	perpendicular(Jcg.geometry.Orientation o)
void	setCartesian(int i, java.lang.Number x) set the i-th cartesian coordinate
void	setX(java.lang.Number x)
void	setY(java.lang.Number y)
java.lang.Number	squaredLength() Return the square length of a vector
Vector_2	sum(Vector_ v) Return the vector sum (v+u), where u is the current vector
java.lang.String	toString() Return a String representing vector coordinates

Methods inherited from class java.lang.Object

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

Field Detail

x

public java.lang.Double x

y

public java.lang.Double y

Constructor Detail

Vector_2

public Vector_2()

Vector_2

public Vector_2(java.lang.Number x,
                java.lang.Number y)

Vector_2

public Vector_2(Point_2 a,
                Point_2 b)

Method Detail

getX

public java.lang.Number getX()

getY

public java.lang.Number getY()

setX

public void setX(java.lang.Number x)

setY

public void setY(java.lang.Number y)

equals

public boolean equals(Vector_ v)

Description copied from interface: Vector_

Check equality between two vectors

Specified by:

equals in interface Vector_

toString

public java.lang.String toString()

Description copied from interface: Vector_

Return a String representing vector coordinates

Specified by:

toString in interface Vector_

Overrides:

toString in class java.lang.Object

dimension

public int dimension()

Description copied from interface: Vector_

Return the dimension of the space

Specified by:

dimension in interface Vector_

getCartesian

public java.lang.Number getCartesian(int i)

Description copied from interface: Vector_

return the i-th cartesian coordinate of the point

Specified by:

getCartesian in interface Vector_

setCartesian

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

Description copied from interface: Vector_

set the i-th cartesian coordinate

Specified by:

setCartesian in interface Vector_

sum

public Vector_2 sum(Vector_ v)

Description copied from interface: Vector_

Return the vector sum (v+u), where u is the current vector

Specified by:

sum in interface Vector_

difference

public Vector_2 difference(Vector_ v)

Description copied from interface: Vector_

Return the vector difference (v-u), where u is the current vector

Specified by:

difference in interface Vector_

opposite

public Vector_2 opposite()

Description copied from interface: Vector_

Return the opposite of the current vector

Specified by:

opposite in interface Vector_

innerProduct

public java.lang.Number innerProduct(Vector_ v)

Description copied from interface: Vector_

Return the inner product of two vectors

Specified by:

innerProduct in interface Vector_

divisionByScalar

public Vector_2 divisionByScalar(java.lang.Number s)

Description copied from interface: Vector_

Return a new vector obtained by scalar division

Specified by:

divisionByScalar in interface Vector_

multiplyByScalar

public Vector_2 multiplyByScalar(java.lang.Number s)

Description copied from interface: Vector_

Return a new vector obtained by multiplying by a scalar

Specified by:

multiplyByScalar in interface Vector_

squaredLength

public java.lang.Number squaredLength()

Description copied from interface: Vector_

Return the square length of a vector

Specified by:

squaredLength in interface Vector_

perpendicular

public Vector_2 perpendicular(Jcg.geometry.Orientation o)