; ----------------------------------------------------------------------
;  Find image row given a column, nires spec order, and polynomials.
;  mode=1 : lower bound.
;  mode=2 : upper bound.
;  The lower bound is offset for some orders to align profiles.
;
function nsxng_find_image_row, mode, icol, nso, NCP, SlitOffset

  if n_params() lt 5 then SlitOffset = 0.
  if n_params() lt 4 then ncp = nsxng_load_ncp()

  row = round(( nsxng_find_real_image_row(mode,icol,nso, NCP, SlitOffset) ))
  return, row
end