491 
Fig. 4(b) Automated Contour Mapping by Simultaneous Solution 
NUMBER OF 6.C.P. =7+7 
WINDOW SIZE 
5 
OBSERVED HEIGHT 
HEIGHT 
I 0VER 
I 2800M 
I 2600 
2400 
4 2200 
2000 
1800 
1600 
1400 
1 200 
ERROR 
(UN IT:PIXEL) 
COMPUTED HEIGHT( 9=45°) 
ERROR DISTRIBUTION^ = + 0.84) 
COMPUTED HEIGHT^ =60°) ERROR DI STR IBUTION(a = + 0.94)