What is the best way to mix materials, if it is even possible?

[MarquisDeSang]

I know how to do it inside a single material, with many layers of masks and reactive maps in each channels. But my question is can we stack different materials and mix them?

Example : planar polygon (rectangle) to represent wood door with bronze ornements added by textures and material only (not by modeling).

1st material : old antique tainted and varnished wood (dull material)
    -Image : Wood

2nd material: spotted bronze (with a lot of specular and reflection)
    -Image : Mask for cutting buttons and ornements
    -Image : bump mapping for buttons and ornements

I would like to put the second on top of the first one.
In many 3D software you can stack materials with masks and even use blend modes
or you can use the material/node editor to mix 2 or more totally different materials.

I could not find any example with electric image.
Maybe because the shaders are so amazing and self contains (They affect a lot of channels at once)

My usual technique for weathering 3D models.

Material layers
    1-Base material
    2-Color variation blend (add)
    3-rust (add with alpha mask)
    4-dirt and dust (multiply)

I don't know if a model in eias3d can have more than one material.
And don't know if it's possible to add/mix/stack/blend them.

 So do we have to add tons of reactive masks inside each channels to achieve this?

 

Just found a simpler example :  a cement floor with puddles of water scattered all over it.

They are completely different material with totally different properties.

[Tomas Egger]

Ola Jean!

EIAS 9.1 doesn't have fully control of multiple materials per group, you can mask, blends, maps, new reactive maps method, we have plans for solve this issue btw :)

Thanks

Tom