igit- 
pho- 
data 
uyama 
1. 4km) 
reo 
(1987) 
00 & 
1al 
eso- 
Was 
of 
ults 
mat- 
mon- 
hier- 
de ‘to 
plac- 
f mat- 
age 
tes 
, we 
uare 
Ve 
the 
M ex- 
dig- 
10n, 
tter 
ined 
  
  
  
   
  
       
* 
PUE 
Fig.5: Contour line expression of DTM 
gs 
QAM 
  
MA p 
  
Fig.6: Digital orthoimage of the same area as Fig. 5 
291 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B2. Vienna 1996