International Archives of the Photogrammetry, R 
  
Figure 7: The surface obtained from the same data after using 
an Hermitian smoothing function, the data objects are marked by 
plain disks, the scale has been reduced in order to see the whole 
top surface 
      
  
  
   
   
  
RG SEEN 
mur uis ze NC LIH 
Sy e Re SS era edP 
     
  
  
  
(d 
14 
    
   
  
   
I 
ry 
LI 
   
Figure 8: The same surface at a different altimetric scale 
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