healpix.essentials

Class Pointing

java.lang.Object

healpix.essentials.Pointing

public class Pointing
extends java.lang.Object

An angular position on the unit sphere.

Author:

Martin Reinecke

Copyright:

2011 Max-Planck-Society

Field Summary

Fields

Modifier and Type	Field and Description
double	phi Longitude in radians
double	theta Colatitude in radians (0 is North Pole; Pi is South Pole)

Constructor Summary

Constructors

Constructor and Description
Pointing() Default constructor
Pointing(double theta, double phi) Simple constructor initializing both values.
Pointing(Pointing ptg)
Pointing(Vec3 vec) Conversion from Vec3
Pointing(Zphi zphi) Conversion from Zphi

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
int	hashCode()
void	normalize() Normalize theta and phi ranges
void	normalizeTheta() Normalize theta range
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

theta

public double theta

Colatitude in radians (0 is North Pole; Pi is South Pole)

phi

public double phi

Longitude in radians

Constructor Detail

Pointing

public Pointing()

Default constructor

Pointing

public Pointing(Pointing ptg)

Pointing

public Pointing(double theta,
                double phi)

Simple constructor initializing both values.

Parameters:

theta - in radians [0,Pi]

phi - in radians [0,2*Pi]

Pointing

public Pointing(Vec3 vec)

Conversion from Vec3

Pointing

public Pointing(Zphi zphi)

Conversion from Zphi

Method Detail

normalizeTheta

public void normalizeTheta()

Normalize theta range

normalize

public void normalize()

Normalize theta and phi ranges

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

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