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Grome Terrain Modeling with Ogre3D, UDK, and Unity3D by Richard A. Hawley

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Example – the Heightmap layer stack

We can make use of the Heightmap layer stack to composite different effects, adding Fractal Mountains to one layer, hand painting a river basin in another. For Volcano Island we can add the signature volcano to a separate layer and keep it separate.

To illustrate how these layers interact here's a quick exercise:

  1. Start with an empty project and a single zone. Make a total of three Heightmap layers in the layer stack.
  2. Assign the selected zone to each of the three layers by right-clicking on each layer and choosing Assign to selection.
    Example – the Heightmap layer stack

Rename the layers by right-clicking and choosing Edit label. Name each layer something ...

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