anchor.diff:  --
   [.right]
   .mountains512.png
  -image::tutorials:beginner/mountains512.png[mountains512.png,width="128",height="128"]
  +image:tutorials:beginner/mountains512.png[mountains512.png,width="128",height="128"]
   --
   
   A heightmap encodes the topological highs and lows of the terrain.
  
positive.code: --
  [.right]
  .road.jpg
  image::tutorials:beginner/road.jpg[road.jpg,width="",height=""]
  --
  
  The Diffuse Map of one of the terrain textures depicts the colors of a paved surface.
  
negative.code: --
  [.right]
  .road_normal.png
  image:tutorials:beginner/road_normal.png[road_normal.png,width="",height=""]
  --
  
  The Normal Map of one of the terrain textures depicts the bumpiness of a paved surface.
  