uk.ac.starlink.pal

Class Cartesian

java.lang.Object

uk.ac.starlink.pal.Cartesian

public class Cartesian
extends Object

Cartesian Point in 2D or 3D space

Constructor Summary

Constructors

Constructor and Description
Cartesian(double a, double b) Cartesian Point in 2D space
Cartesian(double a, double b, double c) Cartesian Point in 3D space
Cartesian(double a, double b, double c, double aa, double bb, double cc) Cartesian Point in 3D space and its derivitive

Method Summary

Modifier and Type	Method and Description
double	getX() Get the x component
double	getXvel() Get the first derivitive of x ( velocity)
double	getY() Get the y component
double	getYvel() Get the first derivitive of y ( velocity)
double	getZ() Get the z component
double	getZvel() Get the first derivitive of z ( velocity)
String	toString() Get the value of the point as a string of the form (x,y,z) and the velocity (if set) in the form (aa,bb,cc)

Methods inherited from class java.lang.Object

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

Constructor Detail

Cartesian

public Cartesian(double a,
                 double b)

Cartesian Point in 2D space

Parameters:

a - x component

b - y component

Cartesian

public Cartesian(double a,
                 double b,
                 double c)

Cartesian Point in 3D space

Parameters:

a - x component

b - y component

c - z component

Cartesian

public Cartesian(double a,
                 double b,
                 double c,
                 double aa,
                 double bb,
                 double cc)

Cartesian Point in 3D space and its derivitive

Parameters:

a - x component

b - y component

c - z component

aa - first derivitive of x

bb - first derivitive of y

cc - first derivitive of z

Method Detail

getX

public double getX()

Get the x component

Returns:

The x component

getY

public double getY()

Get the y component

Returns:

The y component

getZ

public double getZ()

Get the z component

Returns:

The z component

getXvel

public double getXvel()

Get the first derivitive of x ( velocity)

Returns:

The x velocity component

getYvel

public double getYvel()

Get the first derivitive of y ( velocity)

Returns:

The t velocity component

getZvel

public double getZvel()

Get the first derivitive of z ( velocity)

Returns:

The z velocity component

toString

public String toString()

Get the value of the point as a string of the form (x,y,z) and the velocity (if set) in the form (aa,bb,cc)

Overrides:

toString in class Object