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@petermcevoy @vidarn
Gentlemen, a feature suggestion:
The VrayMtl has a diffuse "roughness" slider which goes between Lambertian diffuse (roughness=0) and Oren-Nayer diffuse (roughness=1). This h…
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I'm using Assimp in UE4 based on a plugin that is no longer supported. I updated everything needed to assimp 5.2.4 myself. But I still see that when importing FBX, the roughness (scalar) parameter is …
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**Release Type**: Official Release
**Version**: 4.2.0.2188
**Platform(s)**: Windows
**Describe the bug**
When importing a grayscale file into the editor it will be completely broken.
![i…
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In the datamodel, the roughness values for Bos en Bijkerk and White Colebrook gave the same identifier (both are 5 where Bos & Bijkerk should probably be 6). Also see the attachment.
The suggested …
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The spec [says](https://registry.khronos.org/glTF/specs/2.0/glTF-2.0.html#metallic-roughness-material):
> The textures for metalness and roughness properties are packed together in a single texture…
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Original author: @hschoen
Instead of the surface roughness parameter correlation_length use the two parameters surface_correlation_length_axis1 and surface_correlation_length_axis2 accounting for a…
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I found that the default roughness of the material after setting is too large. If I want to adjust the material to the original version of Scrap Mechanic, I need to adjust the materials one by one. Th…
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Pont light and the rest are okay
![pointLight](https://user-images.githubusercontent.com/20783129/98995804-e7412a00-24ff-11eb-844f-835e18eeab10.png)
but Area Light completely ignores Roughness or…
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Currently, one can customise the material of an atom as follows
```python
atom[symbol].materials = {'Metallic': 0.0, 'Roughness': 0.8 }
```
As far as I can tell, there is no analogous way of c…
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The data schema according to Arash is as follows:
It contains all the below channel properties computed for 2 flow conditions 1- bankfull 2- in-channel. Our experiments with branch 0 showed the in-ch…