Currently I am working on a scene with an old house, part of which is covered with plaster, the other is exposed brickwork, therefore two bump types are required in one texture. I had a number of ideas of how to do this in the Node Editor of Lightwave 9.6, however they where all pretty much useless. After a lot of frustration and searching the internet with no success I had a final try and got it to work.
Below is the method which I used, it probably isnt the most elegant method, but it works.
Firstly I will start with a cube.