anchor.diff:  
   ..  Set the `NormalMap` layer that contains the bumpiness. The NormalMap was generated for this particular DiffuseMap with a special tool (e.g. Blender). 
   +
  -image::https://github.com/jMonkeyEngine/jmonkeyengine/raw/445f7ed010199d30c484fe75bacef4b87f2eb38e/jme3-testdata/src/main/resources/Textures/Terrain/Pond/Pond_normal.png[Pond_normal.png,64,64,align="right"] 
  +[.right]
  +image::https://github.com/jMonkeyEngine/jmonkeyengine/raw/445f7ed010199d30c484fe75bacef4b87f2eb38e/jme3-testdata/src/main/resources/Textures/Terrain/Pond/Pond_normal.png[Pond_normal.png,64,64] 
   +
   [source,java]
   ----
  
positive.code: 
  *  A Texture with alpha channel
  *  A Texture with blend mode of `BlendMode.Alpha`
  *  A Geometry in the `Bucket.Transparent` render bucket.  +
  This bucket ensures that the transparent object is drawn on top of objects behind it, and they show up correctly under the transparent parts. 
  
  [source,java]
  
negative.code: 
  ..  Set a standard rocky texture in the `DiffuseMap` layer. 
  +
  [.right]
  image::https://github.com/jMonkeyEngine/jmonkeyengine/raw/445f7ed010199d30c484fe75bacef4b87f2eb38e/jme3-testdata/src/main/resources/Textures/Terrain/Pond/Pond.jpg[Pond.jpg,64,64]
  +
  [source,java]
  ----
  