images,s,a,"@arcs",,,"List of CCD images to correct"
output,s,h,"",,,"List of output CCD images"
ccdtype,s,h,"",,,"CCD image type to correct"
max_cache,i,h,0,0,,"Maximum image caching memory (in Mbytes)"
noproc,b,h,no,,,"List processing steps only?
"
fixpix,b,h,no,,,"Fix bad CCD lines and columns?"
overscan,b,h,yes,,,"Apply overscan strip correction?"
trim,b,h,yes,,,"Trim the image?"
zerocor,b,h,yes,,,"Apply zero level correction?"
darkcor,b,h,no,,,"Apply dark count correction?"
flatcor,b,h,no,,,"Apply flat field correction?"
illumcor,b,h,no,,,"Apply illumination correction?"
fringecor,b,h,no,,,"Apply fringe correction?"
readcor,b,h,no,,,"Convert zero level image to readout correction?"
scancor,b,h,no,,,"Convert flat field image to scan correction?
"
readaxis,s,h,"line",column|line,,"Read out axis (column|line)"
fixfile,s,h,"",,,"File describing the bad lines and columns"
biassec,s,h,"image",,,"Overscan strip image section"
trimsec,s,h,"image",,,"Trim data section"
zero,s,h,"",,,"Zero level calibration image"
dark,s,h,"",,,"Dark count calibration image"
flat,s,h,"",,,"Flat field images"
illum,s,h,"",,,"Illumination correction images"
fringe,s,h,"",,,"Fringe correction images"
minreplace,r,h,1.,,,"Minimum flat field value"
scantype,s,h,"shortscan",shortscan|longscan,,"Scan type (shortscan|longscan)"
nscan,i,h,1,1,,"Number of short scan lines
"
interactive,b,h,yes,,,"Fit overscan interactively?"
function,s,h,"chebyshev",,,"Fitting function"
order,i,h,1,1,,"Number of polynomial terms or spline pieces"
sample,s,h,"*",,,"Sample points to fit"
naverage,i,h,1,,,"Number of sample points to combine"
niterate,i,h,1,0,,"Number of rejection iterations"
low_reject,r,h,3.,0.,,"Low sigma rejection factor"
high_reject,r,h,3.,0.,,"High sigma rejection factor"
grow,r,h,0.,0.,,"Rejection growing radius"
mode,s,h,"ql",,,