If I have two materials, one with a displacement map, one without, and combine them using "CoronaLayerMtl" or MAX's "Blend" material, using a mask (bitmap or procedural) to combine the two, I find that the effect of the displacement applies to the whole surface, not just the area that the mask reveals. If the order of the materials is reversed then I get no displacement at all. If the materials each have different displacement maps then only one is used (e.g. the "base material" in CoronaLayerMtl). i.e. you can't MASK the effects of the displacement, even though all other aspects of the material are masked. Anyone else getting this or is there any way around it? - cheers'n'beers, Andy Q.
