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[Max] Bug Reporting / Re: Backplate + Sun causing shadow bug
« on: 2024-03-05, 10:00:00 »
I guess the solution is make you backgrounds spherical and use them in the environment override slot rather than on a cyclinder.
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Boolean modifier? In recent 3ds Max boolean was reworked to the level that there's very little excuses not to use it.
Quotei.e. keep the inside bit and slice away the outside bit.At the moment you cann't do that.
A solution shoud be to create the slicer geometry "inverse".
Some times ago i asked for option like: Slice_inside / Slice_outside.
Here is one test, Corona 11 HF1. The scene looks fairly simple, but it has lots of objects and takes over 20 GB while rendering.
The one with black direct override actually rendered a bit faster. Other than that, the stats are almost the same (rays/s).
I think nested material override exclusion is not supported, it may work e.g. for Multi/Sub-object but not for Blend or Rayswitch.
This will be more like a feature request for material override exclusion to support possible nesting.
In your case, I think it is much easier to simply select objects with Select material and just exclude them by adding to the list.
I mean in the very material (CoronaPhysicalMtl or CoronaLegacyMtl) itself:
Base level 1.0, base color white, refraction 1.0, roughness 0.0, thin shell enabled.
This way the base layer may still have effect, this is how physical material (and probably the physical phenomenon too) works.
If you put the base layer to full white, it should be as if it was hidden. Give it a try.