# IMSHIFT input,f,a,,,,Input images to be fit output,f,a,,,,Output images xshift,r,a,,,,Fractional pixel shift in x yshift,r,a,,,,Fractional pixel shift in y shifts_file,f,h,"",,,Text file containing shifts for each image interp_type,s,h,'linear',,,'Interpolant (nearest,linear,poly3,poly5,spline3,sinc,drizzle)' boundary_type,s,h,'nearest',"|nearest|constant|reflect|wrap|",,'Boundary (constant,nearest,reflect,wrap)' constant,r,h,0,,,Constant for boundary extension mode,s,h,'ql'