3d terrain programming

Cited Tutorial 

BOOK (Focus 3D Terrain Programming...BY Trent Polack)
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Heightmaps
  #01# 
  normally, a heightmap is a grayscale image in which each pixel represents a height value.
  
  #02#
  file format for the heightmaps.


  #03#  algorithms
  -ROAM
  -QUADTREE
  -Geomipmapping
  -Brute Force