- Fri Feb 26, 2021 12:19 pm
That's quite weird indeed.
Thank you for sending all the information.
The answer is in the materials; both the wood and the ceiling material have similar problems. This is how the layers are formed:
Basically, it has two layers with an opacity lower than 100, so the base layer is not opaque and nor is the top one.
In one material, both layers are in normal blending mode and in the other one, both are in additive mode.
You could solve this by raising the bottom layer opacity to 100 and setting it to normal blending mode. By doing this, you are creating an opaque base and then adding the top layer.
Most probably you got confused with the procedure where you create a layer (100% opaque) and inside you add two BSDF with different weights. The difference is that in one case you are playing with the weights of the BSDFs and in the other with layer opacities.
When you play with the weight of the BSDFs, you don't get transparency, but just the mix proportion with the rest of the BSDFs inside the same layer. So you could have only one BSDF in a particular layer and it would be the same setting it to 100 or 1, as Maxwell normalizes the mix of BSDFs so they always add up 100. If you had two BSDFs, it would be the same setting them to a weight of 60 and 40 than 6 and 4, for example. But in the case of the layer opacity, this is not the same at all.
All the best,
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