code: def get_xy_from_linecol(self, line, col, offsets, factors):
          
          loff, coff = offsets
          lfac, cfac = factors
          x__ = (col - coff) / cfac * 2**16
          y__ = (line - loff) / lfac * 2**16
  
          return x__, y__
docs: Get the intermediate coordinates from line & col.
  
          Intermediate coordinates are actually the instruments scanning angles.