fors_calib(7) on Linux
The text a7b73c31a5a0, as Debian 9 (Stretch) shipped it.
Determination of the extraction mask
Flags it lists
-
--cdegree -
--cmode -
--d_nknots -
--dispersion -
--dradius -
--endwavelength -
--fit_threshold -
--ignore_lines -
--kiter -
--ksigma -
--max_nonlinear_ratio -
--nonlinear_level -
--peakdetection -
--s_degree -
--slit_ident -
--sradius -
--stack_method -
--startwavelength -
--used_linesets -
--wdegree -
--wmode -
--wmosmode -
--wradius -
--wreject