Examples

Fit a second order polynomial (fitorder=2) to channels 3-8 and 54-60 to an RA x Dec x Frequency x Stokes cube, selecting the Stokes I plane

ch = '3~8, 54~60'
imcontsub(imagename="myimage.im", linefile="mycontsub.im", fitorder=2, chans=ch, fitorder=2, stokes="I")