input,s,a,,,,"Input raw vignetting file name template"
mask,s,a,,,,"Optional input mask file name template"
output1,s,a,"fit",,,"Image containing fit to the input data"
output2,s,a,"vig",,,"Output vignetting image"
outtable,s,a,"nodes",,,"Output node table"
nodes,i,h,10,3,20,"Number of nodes in least squares spline"
niter,i,h,10,1,100,"Number of iterations of non-linear fit routine"
intable,s,h," ",,,"Optional input node table"
template,s,h,"hrs$templates/hrsvig",,,"Output vignetting image template"