8. The method according to claim 1 , including: selecting a reference prototype for each allograph to be modified; determining the distance value for each reference prototype; determining an average of the determined distance values; and, modifying the weighting of each allograph in accordance with the distance value of the respective reference prototype and the average distance value.
8. The method according to claim 1 , including: selecting a reference prototype for each allograph to be modified; determining the distance value for each reference prototype; determining an average of the determined distance values; and, modifying the weighting of each allograph in accordance with the distance value of the respective reference prototype and the average distance value. 9. The method according to claim 8 , the reference prototype being the prototype having the lowest distance value for the respective allograph.