input,s,a,,,,Input images
output,s,a,,,,Output images
lines,s,h,"*",,,Image lines to be fit
bands,s,h,"1",,,Image bands to be fit
type,s,h,"ratio","data|fit|difference|ratio",,Type of output
replace,b,h,no,,,Replace rejected points by fit?
wavescale,b,h,yes,,,Scale the X axis with wavelength?
logscale,b,h,no,,,Take the log (base 10) of both axes?
override,b,h,no,,,Override previously fit lines?
listonly,b,h,no,,,List fit but don't modify any images?
logfiles,s,h,"logfile",,,List of log files
interactive,b,h,yes,,,Set fitting parameters interactively?
sample,s,h,"*",,,Sample points to use in fit
naverage,i,h,1,,,Number of points in sample averaging
function,s,h,"spline3","spline3|legendre|chebyshev|spline1",,Fitting function
order,i,h,1,1,,Order of fitting function
low_reject,r,h,2.,0.,,Low rejection in sigma of fit
high_reject,r,h,0.,0.,,High rejection in sigma of fit
niterate,i,h,10,0,,Number of rejection iterations
grow,r,h,1.,0.,,Rejection growing radius
markrej,b,h,yes,,,Mark rejected points?
graphics,s,h,"stdgraph",,,Graphics output device
cursor,*gcur,h,"",,,Graphics cursor input
ask,s,q,"yes","yes|no|skip|YES|NO|SKIP",,"                                     "
mode,s,h,"ql"