# IMSURFIT

input,f,a,,,,Input images to be fit
output,f,a,,,,Output images
xorder,i,a,2,1,,Order of function in x
yorder,i,a,2,1,,Order of function in y
type_output,s,h,'fit',,,'Type of output (fit,residual,response,clean)'
function,s,h,'leg',,,'Function to be fit (legendre,chebyshev,spline3)'
cross_terms,b,h,y,,,Include cross-terms for polynomials?
xmedian,i,h,1,1,,X length of median box
ymedian,i,h,1,1,,Y length of median box
median_percent,r,h,50.,,,Minimum fraction of pixels in median box
lower,r,h,0.0,0.0,,Lower limit for residuals
upper,r,h,0.0,0.0,,Upper limit for residuals
ngrow,i,h,0,0,,Radius of region growing circle
niter,i,h,0,0,,Maximum number of rejection cycles
regions,s,h,'all',,, 'Good regions (all,rows,columns,border,sections,circle,invcircle)'
rows,s,h,'*',,,Rows to be fit
columns,s,h,'*',,,Columns to be fit
border,s,h,'50',,,Width of border to be fit
sections,s,h,,,,File name for sections list
circle,s,h,,,,Circle specifications
div_min,r,h,INDEF,,,Division minimum for response output
mode,s,h,'ql'