org.eso.fits
Class FitsWCS

java.lang.Object
  org.eso.fits.FitsWCS

public class FitsWCS
extends Object

FitsData class represents a FITS data unit

Version:

$Revision: 1.3 $ $Date: 2003/04/08 14:54:31 $

Author:

P.Grosbol, DMD/ESO,

Field Summary

protected double[]	amdx
protected double[]	amdy
static int	ARC
protected double[]	cdelt
protected double[][]	cdMatrix
protected int[]	cproj
protected double[]	crota
protected double[]	crpix
protected double[]	crval
protected String[]	ctype
protected boolean	hasCdMatrix
protected boolean	hasPcMatrix
static int	LIN
protected int	nax
protected double[][]	pcMatrix
static int	TAN
protected int	type

Constructor Summary

FitsWCS()
Default constructor for FitsWCS class.

FitsWCS(FitsHeader header)
Constructor for FitsData class given a FITS header with associated data unit as a file.

FitsWCS(FitsHeader header, char ver)
Constructor for FitsData class given a FITS header with associated data unit as a file.

FitsWCS(int nax)
Constructor for FitsData class given a No.

Method Summary

void	setHeader(FitsHeader header, char ver) Define FITS header for FitsWCS object.
double[]	toPixel(double[] wcs) Compute pixel coordinates from a set of World Coordinates.
double[]	toWCS(double[] p) Compute World Coordinates from pixel coordinates.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LIN

public static final int LIN

See Also:

Constant Field Values

TAN

public static final int TAN

See Also:

Constant Field Values

ARC

public static final int ARC

See Also:

Constant Field Values

type

protected int type

nax

protected int nax

cproj

protected int[] cproj

crpix

protected double[] crpix

crval

protected double[] crval

cdelt

protected double[] cdelt

crota

protected double[] crota

ctype

protected String[] ctype

cdMatrix

protected double[][] cdMatrix

pcMatrix

protected double[][] pcMatrix

hasPcMatrix

protected boolean hasPcMatrix

hasCdMatrix

protected boolean hasCdMatrix

amdx

protected double[] amdx

amdy

protected double[] amdy

Constructor Detail

FitsWCS

public FitsWCS()

Default constructor for FitsWCS class.

FitsWCS

public FitsWCS(FitsHeader header)

Constructor for FitsData class given a FITS header with associated data unit as a file.

Parameters:

header - FitsHeader object with the image header

FitsWCS

public FitsWCS(FitsHeader header,
               char ver)

Constructor for FitsData class given a FITS header with associated data unit as a file.

Parameters:

header - FitsHeader object with the image header

ver - version of WCS i.e. ' ' or 'A'..'Z'

FitsWCS

public FitsWCS(int nax)

Constructor for FitsData class given a No. of axies of data array.

Parameters:

nax - No. of axies of data array

Method Detail

setHeader

public void setHeader(FitsHeader header,
                      char ver)

Define FITS header for FitsWCS object.

Parameters:

header - FitsHeader object with the image header

ver - version of WCS i.e. ' ' or 'A'..'Z'

toWCS

public double[] toWCS(double[] p)

Compute World Coordinates from pixel coordinates.

Parameters:

p - Array with pixel coordinates

toPixel

public double[] toPixel(double[] wcs)

Compute pixel coordinates from a set of World Coordinates.

Parameters:

wcs - Array with World Coordinates