Questions tagged [roughness]
The roughness tag has no usage guidance.
45
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Roughness and Normal not affecting one surface, but it does the other
I have two objects, but only one of them is affected by the roughness and normal input.
Here is the file with packed resources: https://1drv.ms/u/s!AgyMJwcFicenlLUh2LgPix9Hu0KCoQ?e=NFjfvx
I looked at ...
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0
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27
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Should underwater materials have lower roughness values?
I'm make an island scene in Blender. The islands are small and they have a sand texture.
I was wondering about sand that's underwater. Would it be more physically correct to leave the texture ...
0
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1
answer
60
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How to make roughness vary linearly along one axis for a vertex group?
I have a vertex group selected along a surface scratch and want to vary the roughness parameter in principled BSDF from lets say 0.5 at the start of the scratch to 0.2 at the end of the scratch ...
0
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2
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505
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How to disable specular in cycles render?
I've created white box over blue large box in blender.
In rendered view with cycles, the bottom of white box is painted with blue color regardless roughness.
Why roughness parameter can't disable ...
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0
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45
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Trying to make a marble texture
Does anyone know how to finesse the lighting in blender so these annoying white light reflection squares disappear?
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87
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Does blender has a use_pass_roughness or use_pass_specular passes for generating the roughness and specular maps
Similar to diffuse direct, diffuse indirect and glossy etc. Does blender also provide ways to generate roughness and specular or metallic maps? If not how can we render these pbr based value images
0
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2
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160
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Why my reflections are stretched?
I've imported from Plasticity an OBJ, and even without Ngons I still got this mess at the angles of my mesh:
I've tried manipulate UVs, using a normal map and assign to the roughness attribute, using ...
3
votes
2
answers
200
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B&W roughness texture that is exported as a glb turns into a coloured image when re-imported back into Blender. Why does this happen?
Pretty much as the title states. I have a material that I've exported as a GLB file. The roughness texture is originally black and white, but when I re-import the GLB back into Blender, it's turned ...
0
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2
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126
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Remove reflection from materials without roughness. Leave reflections on materials with roughness
I will give a simple example. There is a glass bottle, a ceramic cup, and a mirror on the table. The bottle and the cup have a low roughness of .07. The mirror has zero roughness.I want to leave all ...
1
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1
answer
49
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I want fingerprint to appear only on the white color of the noise texture in the left how can I do that?
[![The right plane have fingerprints roughness i want them to appear
only in the white value in the left plane]1
3
votes
3
answers
289
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"Roughness" doesnt work on imported svgs
I have imported a svg where i want to change the roughness so that the object becomes glossy and reflects the objects in front of them. As you can see on the screenshot here the "phone" ...
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answer
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Substance painter textures look different in blender
I imported some textures into blender from substance painter and they look drastically different. I think the main issue I the roughness.
I have all the maps set to non-color and the normal map is an ...
2
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answers
111
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How dose blender handle tiny roughness in BSDF with GGX?
I am curioused about the implementation of principled BSDF in blender. As we know, the GGX would produce "inf" value when the roughness is close to zero. Some renders, such as filament, ...
6
votes
1
answer
279
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Blender reflects an HDRI that no longer exists in a project and ignores current ones
I am using Blender 3.2 and I have project that I started with 2.8 or 2.9 if that matters. I changed the HDRI map but no matter what, when roughness is low, it reflects that old HDRI, it even reflects ...
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Strange illumination in the roughness of the texture
I'm trying to import this texture:
https://www.poliigon.com/texture/metal-spotty-discoloration-001/3225
From here you can see how I did it and the result
To download the texture images and the .blend ...