chmann and 
hod of least 
at method is 
remain. This 
parallax tri- 
are conside- 
rotriangula- 
y deals with 
en a contri- 
ut refers to 
nends to be 
, also in this 
ink anomaly 
x triangula- 
riangulation 
model. Fur- 
orientation 
he complete 
g there will 
m method" 
on with one 
given. The 
mplete con- 
; so perfor- 
proximately 
del is orien- 
ring models 
d in every 
» model can 
-reafter the 
1 should be 
  
  
1. ADJUSTMENT IN ONE STEP 
Conditions ; 
The parallax of an arbitrary point may be given by the following 
wellknown differential formula 
V 
101 v. — dby, — (xv — b)d «a — 8 dbz, — 
(Xy — b) yy 
ys 
2 h des — (1 4 n° ) hdog + p, 
We make the parallax-measurements in the following points. 
V X y 
1 0 0 
2 + b 0 
3 0 + d 
4 + b + d 
5 0 — d | 
6 + b — d | 
b : 
+ - > 0 
b 
8 + 9 — d 
b 
( 
) -}- 5 + d 
Where I 
b base T 
d = distance from base 
P — parallax 
V — observation error in p 
11 Parallax conditions 5 
From this we get the parallax conditions (cf Bjerhammar: Photogram- = 
metria IT 1950—1951:4). 
L11 2p — 2P2 — Ps + P4 — ps + ps lw, 0 | 
Pit pe—2p;4- wo —0 | E 
Ps + Pe — 2ps -F wa — 0 
Ps cL p4—2pg t*- w, = 0 
with the normal equations 
1.12 * 12k, = Wi 
+ 6 ko = Wo 
5 6 ka — Ws 
+ 6 ky =