// Waterfall spectra image img:=getfrontimage() imagedisplay disp=img.imagegetimagedisplay(0) number offset = max(img)/4; GetNumber("Please specify offset: ", offset, offset) number count = disp.ImageDisplayCountSlices() number prev_slice = LinePlotImageDisplayGetSlice( disp) number loop object refID = disp.ImageDisplayGetSliceIdByIndex( 0 ); for (loop = 1; loop