Pointing

java.lang.Object

healpix.essentials.Pointing

public class Pointing extends Object

An angular position on the unit sphere.

Author:: Martin Reinecke
Copyright:: 2011 Max-Planck-Society

Field Summary

Fields

Modifier and Type

Field

Description

double

phi

Longitude in radians

double

theta

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

Constructors

Constructor

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

Description

boolean

equals(Object o)

int

hashCode()

void

normalize()

Normalize theta and phi ranges

void

normalizeTheta()

Normalize theta range

String

toString()

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details
- theta
  
  public double theta
  
  Colatitude in radians (0 is North Pole; Pi is South Pole)
- phi
  
  public double phi
  
  Longitude in radians
Constructor Details
- 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 Details
- normalizeTheta
  
  public void normalizeTheta()
  
  Normalize theta range
- normalize
  
  public void normalize()
  
  Normalize theta and phi ranges
- toString
  
  public String toString()
  
  Overrides:
  
  toString in class Object
- equals
  
  public boolean equals(Object o)
  
  Overrides:
  
  equals in class Object
- hashCode
  
  public int hashCode()
  
  Overrides:
  
  hashCode in class Object