CdsHealpix (Starjava TTOOLS API)

java.lang.Object

uk.ac.starlink.ttools.cone.CdsHealpix

All Implemented Interfaces:: cds.moc.HealpixImpl

public class CdsHealpix extends Object implements cds.moc.HealpixImpl

Healpix implementation for use with the MOC library based on F-X Pineau's cds-healpix-java library.

Use getInstance() to obtain the singleton instance of this class.

Since:

21 May 2020

Author:

Mark Taylor

See Also:

https://github.com/cds-astro/cds-healpix-java

Method Summary

Modifier and Type

Method

Description

long

ang2pix(int order, double lonDeg, double latDeg)

static CdsHealpix

getInstance()

Returns the sole instance of this class.

double[]

pix2ang(int order, long ipix)

long[]

queryDisc(int order, double lonDeg, double latDeg, double radiusDeg)

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

Method Details
- ang2pix
  
  public long ang2pix(int order, double lonDeg, double latDeg)
  
  Specified by:
  
  ang2pix in interface cds.moc.HealpixImpl
- pix2ang
  
  public double[] pix2ang(int order, long ipix)
  
  Specified by:
  
  pix2ang in interface cds.moc.HealpixImpl
- queryDisc
  
  public long[] queryDisc(int order, double lonDeg, double latDeg, double radiusDeg)
  
  Specified by:
  
  queryDisc in interface cds.moc.HealpixImpl
- getInstance
  
  public static CdsHealpix getInstance()
  
  Returns the sole instance of this class.
  
  Returns:
  
  singleton instance