Pictorial Guide to Model Building  
From contour lines to 3D map
 
 

Contour lines: the foundation

 

Digital elevation model (DEM)

 

Hillshade based on the DEM

 
     
     
     
 

Combining hillshade and DEM to get a shaded relief map

 

Digital raster graphic (DRG) overlay of a shaded relief map

 

A triangular irregular network (TIN) made from contour lines.

 
     
     
   

Click on thumbnails for full size images. [Back to 3D model main page]