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cera kecera avatar image
cera kecera asked ·

Rebuild materials/maps

Hello i´d like to ask for your advice on how to rebuild blender materials in Arnold. If its possible even porting the whole shaders 1to1. Its mostly Principled BSDF shader to Physical Material.

But basically i just want to achieve similar results...
Links, scripts, guides, tuts etc. everything you can throw at me, thank you very much!


material
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Mads Drøschler avatar image
Mads Drøschler answered ·

You need to understand what the nodes does first.
If you understand their inner concept, then it becomes a more natural thing.
That means you in the head that a mix node can also be called interpolate.

Understanding the actual functionality is adviced, this way you also know how to deal with the Bump and normal map, where in max, you need to wire things differently in order to obtain same result. So before doing that part, you need to go into max and make a bump+ normal map work correctly before looking into copying your blender noodle over.

And so the first section would look like this.

qwe.png


qwe.png (232.8 KiB)
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I see. I couldnt find the equivalent of these maps in the first place.

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The OSL maps are located in the OSL category.
You can also use Arnold maps, but they dont work in the viewport.
You can rebuild your PBR mat and have it working in the viewport and look very nice if you use OSL nodes only. In High Quality viewport mode.

Spend some time and pull all OSL nodes out and sit and look at them, get familiar with the content, instead of relying on the names. This way you accumelate knowledge about actual functionality and dont have to remember naming conversions, but rely on functionality instead.

Match needed feature sets, by functions, not by name, so experiment :)

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Lee Griggs avatar image
Lee Griggs answered ·
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Sorry for the delay and thanks for the links.

Here is an example, which i´d like to rebuild in Arnold. If its too illegible i´ll post more zoomed pics.

Was told, that "if you were just using principled bsdf then it should be possible. There is mostly a 1:1 mapping between that and the physical material, but there are some subtle differences..."

My issue right now is, that i cant tell where to start to rebuild this.

screenshot.png

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