Chaos Corona for 3ds Max > [Max] General Discussion

Combining Displacement maps

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musashidan:
Is it possible to combine displacement maps? For example, a displacement map extracted from a Zbrush sculpt and a tiling microsurface map. Both maps are 32bit.EXRs.

In Arnold it can be done by normalising the range of the microsurface map to zero(to match the Zbrush map at zero) using a alRemapFloat node, and then layering the 2 maps with an alCombineFloat node set to Add.

pokoy:
Is this for Max? If yes, you can use a Composite Map and combine maps in any way you can think off. Best is to use the map slot in a CoronaDisplacement modifier for any kind of mixing maps, using a LayerMtl for example will respect the displacement of the Base Mtl only.

maru:
Or you can use Corona Mix node with "Add" operation.

pokoy:

--- Quote from: maru on 2019-03-07, 15:23:17 ---Or you can use Corona Mix node with "Add" operation.

--- End quote ---

Oh yes, totally forgot about Corona's Mix map.

musashidan:
Thanks, but simply mixing 2 maps isn't the problem, it's normalising the 2 displacement maps(zeroing out the scalar of the microsurface)

Because they are both 32bit full float images you can't simply mix them together because the ranges are wildly different.

EDIT: just figured it out. Using a Corona Mix node you can simply lower the multiplier of the microsurface map right down to normalise the 2.

Cheers.

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