in. 1995). The water 
the lock gate was 
levation "above" the 
able1). 
shifts of observed 
sight method.The 
ive been located on 
| stations A,B, figure 
meter division were 
id observed vertical 
odolites A,B (figure 
ver barriers" 
  
  
  
  
   
metric coordinate 
Figure 3 Distribution of control points 
“ CONTROL AND 
ITS 
ive been laid out in 
the same during the 
>19, Figure 4) have 
the observed lock 
observed points has 
t have been glued to 
points in the local 
mined by geodetical 
ion method from the 
he photogrammetric 
10 Zeiss Jena and a 
for the geodetic 
ial position of control 
iate error 1.0 mm « 
  
Figure 4 Distribution of obderved points 
35 
| 1996 International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B5. Vienna 1996