示例#1
0
def resize_hdul(hdul,
                newshape,
                region,
                extensions=None,
                window=None,
                scale=1,
                fill=0.0,
                conserve=True):
    from numina.frame import resize_hdu

    if extensions is None:
        extensions = [0]

    nhdul = [None] * len(hdul)
    for ext, hdu in enumerate(hdul):
        if ext in extensions:
            nhdul[ext] = resize_hdu(hdu,
                                    newshape,
                                    region,
                                    fill=fill,
                                    window=window,
                                    scale=scale,
                                    conserve=conserve)
        else:
            nhdul[ext] = hdu
    return fits.HDUList(nhdul)
示例#2
0
def resize_hdul(hdul, newshape, region, extensions=None, window=None,
                scale=1, fill=0.0, conserve=True):
    from numina.frame import resize_hdu
    if extensions is None:
        extensions = [0]

    nhdul = [None] * len(hdul)
    for ext, hdu in enumerate(hdul):
        if ext in extensions:
            nhdul[ext] = resize_hdu(hdu, newshape,
                                    region, fill=fill,
                                    window=window,
                                    scale=scale,
                                    conserve=conserve)
        else:
            nhdul[ext] = hdu
    return fits.HDUList(nhdul)
示例#3
0
def resize_fits(fitsfile, newfilename, newshape, region, window=None,
                scale=1, fill=0.0, clobber=True, conserve=True):

    close_on_exit = False
    if isinstance(fitsfile, six.string_types):
        hdulist = fits.open(fitsfile, mode='readonly')
        close_on_exit = True
    else:
        hdulist = fitsfile

    try:
        hdu = hdulist['primary']
        newhdu = resize_hdu(hdu, newshape, region, fill=fill,
                            window=window, scale=scale, conserve=conserve)
        with warnings.catch_warnings():
            warnings.simplefilter('ignore')
            newhdu.writeto(newfilename, clobber=clobber)
    finally:
        if close_on_exit:
            hdulist.close()