def METHOD_NAME(self, ra_deg, dec_deg, coords='data', naxispath=None):
    try:
        x, y = self.wcs.wcs2pix(ra_deg, dec_deg)
    except Exception as e:
        self.logger.error("Error calculating radectopix: %s" % (str(e)))
        raise common.WCSError(e)
    if coords == 'fits':
        # Via astWCS.NUMPY_MODE, we've forced pixels referenced from 0
        x, y = x + 1, y + 1
    return (x, y)