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(a) (b) 
Figure 3: Results of surface reconstruction 
The second technique is to choose special type of projection for establishing single valued links between spatial points. 
The example of such kind of projection is “radio location" projections on a reference plane. The plane coordinates of 
projected points are given by following relations: 
x =Rcost 
v=Rent 
(1) 
: 2 2 2 X 
where R is the distance to point (x,y,z): R = x“ +y“ +z“ ; C = arctg(—) 
M 
  
(b) 
  
Figure 4: Results of surface reconstruction 
Fig.4. presents the triangulation mesh of radio location projected 3D points (a) and the reconstructed uniform surface 
(b). 
  
International Archives of Photogrammetry and Remote Sensing. Vol. XXXIII, Part B5. Amsterdam 2000. 431