fitsutils.py 文件源码

def has_pixelscale(fits_file):
    """
    Find pixel scale keywords in FITS file

    Parameters
    ----------
    fits_file: str
        Path to a FITS image file

    """
    header = pyfits.getheader(fits_file)
    return [key
            for key in PIXSCL_KEYS
            if key in list(header.keys())]