def backwards(*pixel_input): return efficient_pixel_to_pixel(wcs2, wcs1, *pixel_input)
def backwards(*pixel_input): return efficient_pixel_to_pixel(wcs2, wcs1, *pixel_input)
def forwards(*pixel_input): return efficient_pixel_to_pixel(wcs1, wcs2, *pixel_input)
def forwards(*pixel_input): return efficient_pixel_to_pixel(wcs1, wcs2, *pixel_input)