#  wfpc.combine parameters
#	Last Revised:		29 Mar 93 by RAShaw
#
input,s,a,,,,List of image rootnames to combine
output,s,a,,,,Output image name
sigma,s,h,"",,,Output sigma image (optional)
logfile,s,h,"STDOUT",,,Log file
option,s,h,"average","sum|average|median|minreject|maxreject|minmaxrej|\
|crreject|threshold|sigclip|avsigclip",,"Type of combine operation:
    sum, average, median, minreject, maxreject,
    minmaxrej, crreject, threshold, sigclip, 
    avsigclip"
outtype,s,h,"r","u|s|i|l|r|d",,Output image pixel datatype
expname,s,h,"",,,Image header exposure time keyword
exposure,b,h,no,,,Scale by the exposure times?
scale,b,h,no,,,Scale by the mode?
offset,b,h,no,,,Add offset determined from the mode?
weight,b,h,no,,,Use a weighted average?
modesec,s,h,"",,,Image section for computing mode
lowreject,r,h,3.,0.,,Lower sigma clipping factor
highreject,r,h,3.,0.,,Upper sigma clipping factor
blank,r,h,0.,,,Value if all pixels are rejected
usedqf,b,h,no,,,Reference DQFs to reject flagged values?
dqfpar,pset,h,,,,"Data Quality File parameters"
noisepar,pset,h,,,,"Noise model parameters"