762 
|e ISm 
H 
l 
»* • 
'■ • • 
Profile l \ 
/K 
z 
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# • 
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Profile 18 
Fir. 3 Three profiles of the digital surface model from 
testarea Freiburg 1 
Distance of the points in the stereomodel o,3 mm 
1,5 m in the nature 
Profile ^: rough 
Profile l8:rel. smooth 
p rofile 38:left side: rough, right side: smooth