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Jena ranged from AR to 198 m, what ures structures detail points is given in fig. £z . ihe 
clu i odiiigcu [Xm - + is. He. 
" ina*a né dntail] 2 cou 4 A ulatard in 
the required accuracy, ang Pa y enables tao coordinates nf detail points were alculated in 
  
achieve the optimum ratio b/y 5 |, two phases: 
  
  
* Hsms zt = som 
hg phoiosgrarns were taken on glass in tha local coordinate system of the photogran 
t Dc ai C Cake 1855 
at ase line, utilizi equations for the 
Üran having a zensitivity of à DIN. metric base iine, utilizing eq i 
axes were orientated towards the sratial intersection, 
t : - transf ation from the local coordinate system 
points targeted on the bridge structure. transformation from the local coord ë 
ints the structures system with the Æ-axis 25 
  
the longitudinal bridge axis {Fig.l}.