Chaos Corona for Cinema 4D > [C4D] General Discussion

Corona materials

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CJRenders:
I'm absolutely loving the new corona materials, however I have something I want to discuss about them...

1.Has anyone else noticed that the displacement maps have to be inverted from the original material to work correctly?

2.Why is every metal set to 999 IOR? Its physically not correct and I have to adjust every metal to its real IOR value but shouldnt they be the true IOR by default?

bnji:
What material type are you using? Legacy or Physical?
Regards.

CJRenders:
I've used both and gotten some weird results...

 No matter what type of material used, when its placed on a flat surface or one side of a cube it creates an inverted displacement. BUT if I place a material on the entire cube it works correctly.

 I've changed the projection between uvmapping and cubic and it doesnt make a difference in the displacement.

CJRenders:

--- Quote from: CJRenders on 2021-09-08, 21:09:46 ---I've used both and gotten some weird results...

 No matter what type of material used, when its placed on a flat surface or one side of a cube it creates an inverted displacement. BUT if I place a material on the entire cube it works correctly.

 I've changed the projection between uvmapping and cubic and it doesnt make a difference in the displacement.

 in regards to the IOR, the recent update makes all the corona materials physical so i dont get that weird value anymore.

--- End quote ---

davetwo:
I'm not sure what you are getting at here...I have no problems with inverted displacement on library materials or my own creations. And I cant reproduce your whole cube or single side of a cube difference. Are your geommetry normals facing the right way?

(Normal maps need the 'Y' channel flipping normally - is that what you are refering to?)

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