Class HealpixSys
- java.lang.Object
-
- uk.ac.starlink.ttools.plot2.layer.HealpixSys
-
public class HealpixSys extends java.lang.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
All Methods Static Methods Concrete Methods 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.
-
-
-
Method Detail
-
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
-
-