TABLE 1 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Symbol Number Number Number | Standard error 
er of Scale of of of of 
computation new points | observations | unknowns unit weight 
um cm 
IA 1:3500 56 260 186*... | +5.1 +1.8 
IB 57 264 189 +4.6 11.6 
IIA 1:6000 57 264 189 +6.0 +3.6 
ints IIB 57 268 189 16.1 13.7 
ana- 
| IIIA 1:12 000 53 248 177 +6.8 19.2 
of e | ® IIIB 5] 240 171 16.1 17.3 
by 
*18 unknowns of outer orientation included 
TABLE 2 
he 
a Scale 1:3500 1:6000 
72 Symbol IB - IA IIB - IIA 
j= . AX Ay AZ AX Ay AZ 
s Difference cm cm cm cm cm cm 
to Systematic constribution d . = 
e e sai fferences 0.0 |-0.1 |+0.6 | -0.1 | +0.1 | -0.9 
Root mean square value 
y | of differences +0.2.. 10.2 |x1.1 +0.4 | 130.3] x1.4 
| 
Maximum difference -0.4 |-0.4 |+2.5 | -1.0 | +0.7 | -4.5 
Number of points 20 35 
le 
1S