astro.fits
Class ShortShuffle

java.lang.Object
  astro.fits.ShortShuffle

public class ShortShuffle
extends Object

Images taken as unsigned short, but transfered as signed short end up with a wrong image data.

Nested Class Summary

static class

ShortShuffle.Convert

Constructor Summary

ShortShuffle()

Method Summary

static nom.tam.fits.ImageData

unsigned(nom.tam.fits.ImageHDU ih) Takes an image hdu originally recorded as unsigned short and converts it to a signed short hdu.

Methods inherited from class java.lang.Object

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

Constructor Detail

ShortShuffle

public ShortShuffle()

Method Detail

unsigned

public static nom.tam.fits.ImageData unsigned(nom.tam.fits.ImageHDU ih)
                                       throws nom.tam.fits.FitsException

Takes an image hdu originally recorded as unsigned short and converts it to a signed short hdu.

Throws:

nom.tam.fits.FitsException