Package uk.ac.starlink.ttools.cone

Class CdsHealpix

  • All Implemented Interfaces:
    cds.moc.HealpixImpl
    public class CdsHealpix
extends java.lang.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

      All Methods Static Methods Instance Methods Concrete Methods 
      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 Detail

      • 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