task_importfits.py

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import os
from taskinit import *

def importfits(fitsimage,imagename,whichrep,whichhdu,zeroblanks,overwrite):
        """Convert an image FITS file into a CASA image:

        Keyword arguments:
        fitsimage -- Name of input image FITS file
                default: none; example='3C273XC1.fits'
        imagename -- Name of output CASA image
                default: none; example: imagename='3C273XC1.image'
        whichrep -- If fits image has multiple coordinate reps,
                choose one.
                default: 0 means first; example: whichrep=1
        whichhdu -- If fits file contains multiple images,
                choose this one
                default=0 mean first; example: whichhdu=1
        zeroblanks -- Set blanked pixels to zero (not NaN)
                default=True; example: zeroblanks=True
        overwrite -- Overwrite pre-existing imagename
                default=False; example: overwrite=True

        """

        #Python script
        casalog.origin('importfits')
        ia.fromfits(imagename,fitsimage,whichrep,whichhdu,zeroblanks,overwrite)
        ia.close()