Fig. 3.4 - Visualization vector translation to the origin. 
A 
  
  
      
  
Vetor de 
Visualizaçäo ; 
Fig. 3.6 - Rotation over the Z-axis: 90 degrees wing 
inclination in the hourly sense. 
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International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B4. Vienna 1996