A 
| Digital cartographic data produced by GSI of J apan 
bs 
Non topological daía Topological data 
1:2,500 scale Digital mapping data 
Special data base for GIS DEM 
1:25,000 scale Digital Cartographic data 
Paper map 
Topographic map 
CUM vetrina | Vector data 
3D attribute 
Rendering 
Wire frame Polygon data data 
Flat shading 
Gouraud shading 
  
  
  
  
    
      
  
Phong shadin 
s 5 Three dimensional model Elimination of jaggie 
      
    
  
Ray tracing Anti aliasing 
Radiosity 
  
Mapping 
  
Reflection mapping 
  
  
Lighting Bump mapping 
Global light Texture mapping 
Ambient light 
Background 
    
   
  
  
  
   
Enyironmen gradation 
Fog effect A sky 
cloud 
  
  
  
  
  
  
  
  
  
  
pd es 
; : Dynamic scenery image Virtual reality 
Static scenery images 
(Animation) (Walk through simulation) 
Figure 4 
367 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B2. Vienna 1996