HealpixSys (Starjava TTOOLS API)

java.lang.Object

uk.ac.starlink.ttools.plot2.layer.HealpixSys

public class HealpixSys extends Object

Maps between plotting (SkySys) and Healpix (HealpixTableInfo.HpxCoordSys) coordinate system identifiers.

Since:: 10 Dec 2018
Author:: Mark Taylor

Constructor Summary

Constructors

Constructor

Description

HealpixSys()
Method Summary

Modifier and Type

Method

Description

static uk.ac.starlink.table.HealpixTableInfo.HpxCoordSys

fromGeom(SkySys skySys)

Returns the Healpix sky coordinate system corresponding to a plotting sky coordinate system.

static SkySys

toGeom(uk.ac.starlink.table.HealpixTableInfo.HpxCoordSys csys)

Returns the plotting sky coordinate system corresponding to a Healpix sky coordinate system.

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

Constructor Details
- HealpixSys
  
  public HealpixSys()
Method Details
- toGeom
  
  public static SkySys toGeom(uk.ac.starlink.table.HealpixTableInfo.HpxCoordSys csys)
  
  Returns the plotting sky coordinate system corresponding to a Healpix sky coordinate system. Best efforts.
  
  Parameters:
  
  csys - healpix sky coordinate system identifier
  
  Returns:
  
  corresponding plotting sky system, or null if no correspondence is known
- fromGeom
  
  public static uk.ac.starlink.table.HealpixTableInfo.HpxCoordSys fromGeom(SkySys skySys)
  
  Returns the Healpix sky coordinate system corresponding to a plotting sky coordinate system. Best efforts.
  
  Parameters:
  
  skySys - plotting sky coordinate system identifier
  
  Returns:
  
  corresponding healpix system, or null if no correspondence is known