spv.spectrum.factory.GHRSFOS
Class GHRSFactoryModule

java.lang.Object
  spv.spectrum.factory.AbstractFileFactoryModule
      spv.spectrum.factory.ImageAbstractFactoryModule
          spv.spectrum.factory.GHRSFOS.GHRSFOSAbstractFactoryModule
              spv.spectrum.factory.GHRSFOS.GHRSFactoryModule

All Implemented Interfaces:

SpectrumFileFactoryModule

public class GHRSFactoryModule
extends GHRSFOSAbstractFactoryModule

GHRS spectra have their flux arrays stored as doubles and their DQ arrays stored as ints. This class handles the details associated with this peculiarity.

Version:

1.0 - 04Nov02

Author:

Ivo Busko (Space Telescope Science Institute)

Field Summary

Fields inherited from class spv.spectrum.factory.AbstractFileFactoryModule

BIN_NUMBER_UNITS, C_BACK, C_DATA, C_DQ, C_ERROR, C_FLUX, C_GROSS, C_NELEM, C_NET, C_SPORDER, C_WAVELENGTH

Constructor Summary

GHRSFactoryModule()

Method Summary

protected java.lang.String	getInstrumentKeyword() Gets the value of the INSTRUMENT FITS keyword associated with GHRS.
protected int[]	readDQ(nom.tam.fits.ImageHDU im_hdu, int[] group) Reads a DQ array from a image HDU.
protected double[]	readWavelengths(nom.tam.fits.ImageHDU im_hdu, int[] group) Reads a wavelength array from a image HDU.

Methods inherited from class spv.spectrum.factory.GHRSFOS.GHRSFOSAbstractFactoryModule

isValidInstrument, makeFileDescriptor, makeSpectrum, makeSpectrumSpecification

Methods inherited from class spv.spectrum.factory.ImageAbstractFactoryModule

generateWavelengths, getXUnitsFromHeader, getYUnitsFromHeader, readFloat, readFloat, readFromDoubleArray, readFromFloatArray, readFromIntArray

Methods inherited from class spv.spectrum.factory.AbstractFileFactoryModule

addSSAPParameters, buildExtentMetaParameters, buildLocationMetaParameters, buildSingleSpectrum, buildSingleSpectrum, buildSingleSpectrum, buildSpectralExtentMetaParameter, buildTimeExtentMetaParameter, fixIntensityUnits, getGenericMetaParameter, getInstrumentPositionMetaParameter, getPositionMetaParameter, getTimeMetaParameter, getUnits, getURL, isFullD, isFullI, isTwoD, maskAll

Methods inherited from class java.lang.Object

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

Constructor Detail

GHRSFactoryModule

public GHRSFactoryModule()

Method Detail

readWavelengths

protected double[] readWavelengths(nom.tam.fits.ImageHDU im_hdu,
                                   int[] group)

Reads a wavelength array from a image HDU.

Specified by:

readWavelengths in class GHRSFOSAbstractFactoryModule

Parameters:

im_hdu - the HDU

group - the group

Returns:

the wavelength array

readDQ

protected int[] readDQ(nom.tam.fits.ImageHDU im_hdu,
                       int[] group)

Reads a DQ array from a image HDU.

Specified by:

readDQ in class GHRSFOSAbstractFactoryModule

Parameters:

im_hdu - the HDU

group - the group

Returns:

the DQ array

getInstrumentKeyword

protected java.lang.String getInstrumentKeyword()

Gets the value of the INSTRUMENT FITS keyword associated with GHRS.

Specified by:

getInstrumentKeyword in class GHRSFOSAbstractFactoryModule

Returns:

the value of the INSTRUMENT FITS keyword associated with GHRS