The method further includes {HEAD ~ the steps} of controllably selecting at least one control algorithm adapted to process the sets of height and intensity data, processing the first and second sets of intensity data to obtain a transformed set of intensity data and processing {TAIL ~ the first and second sets} of height data and the first and second sets of intensity data with the at least one control algorithm to obtain a transformed set of height data 
of processing
The method further includes { HEAD ~ the steps } of controllably selecting at least one control algorithm adapted to process the sets of height and intensity data , processing the first and second sets of intensity data to obtain a transformed set of intensity data and processing { TAIL ~ the first and second sets } of height data and the first and second sets of intensity data with the at least one control algorithm to obtain a transformed set of height data
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH