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Questions tagged [roughness]

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2 votes
1 answer
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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 ...
Scott Taylor's user avatar
0 votes
0 answers
27 views

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 ...
Xylas Quinn's user avatar
0 votes
1 answer
60 views

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 ...
Patience_for_everything's user avatar
0 votes
2 answers
499 views

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 ...
Sheile's user avatar
  • 111
0 votes
0 answers
45 views

Trying to make a marble texture

Does anyone know how to finesse the lighting in blender so these annoying white light reflection squares disappear?
Millie Migdoll's user avatar
0 votes
0 answers
87 views

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
pranay raj's user avatar
0 votes
2 answers
159 views

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 ...
Alessio's user avatar
3 votes
2 answers
200 views

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 ...
Ben's user avatar
  • 45
0 votes
2 answers
125 views

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 ...
Dobby 1's user avatar
1 vote
1 answer
47 views

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
Blenderabi's user avatar
3 votes
3 answers
289 views

"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" ...
formidableds's user avatar
-1 votes
1 answer
2k views

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 ...
Peter Randall's user avatar
1 vote
0 answers
108 views

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, ...
Wu Haoqian's user avatar
6 votes
1 answer
279 views

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 ...
Audio_Video_Enthusiast's user avatar
-1 votes
1 answer
26 views

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 ...
Iacopo Guarneri's user avatar
1 vote
1 answer
3k views

Dynamic Paint not showing in Render

I am follwing this tutorial to simulate rain drops falling onto the ground. The drop should make the ground wet. Therefore I am using dynamic paint. In the material the wetmap is plugged into the ...
user123511's user avatar
  • 1,249
1 vote
1 answer
332 views

Can't bake mesh texture as normal map w/o texture turning all purple

I followed a tutorial by Ryan King Art on YouTube how to bake "realistic textures". I was able to successfully bake a Roughness map, I believe a Diffuse map (#1 screenshot), but not a Normal ...
Vegetarian's user avatar
0 votes
0 answers
631 views

roughness texture is missing when I export file fbx

I link image texture with roughness and export fbx file, but when I look in 3D view, no roughness appears, only diffuse and normal appear. 1.Why is it and how do i fix this problem? 2.I suspect the ...
3D Love's user avatar
  • 23
0 votes
0 answers
113 views

how do I make seamless reflections on curved Geometry? (See picture)

How do I line up the reflections on this geometry so it is more seamless? As you can see in the picture it doesn't quite line up.
Sam's user avatar
  • 23
0 votes
0 answers
787 views

How can I fix my baked roughness being different from my unbaked roughness?

I baked a roughness map. I baked the roughness on a 4096 by 4096 image, I also set the Color space on the image texture to non color. I have my samples on 16 and tile size on 4096. I deactivated noise ...
Andria's user avatar
  • 103
0 votes
1 answer
194 views

Can't Bake Textures with Baketool on An Object with More Than 1 Texture

I have Baketool for Blender and I can't bake this object that has multiple textures. I plan on importing the object into a game engine like Unity so I have to simplify the texture nodes by baking them ...
ChristianOConnor's user avatar
0 votes
2 answers
415 views

Roughness Zero material not reflecting objects

How can I make the table top reflecting the objects too and not only the world scene
pippooooo's user avatar
  • 364
0 votes
0 answers
390 views

Transparent texture + roughness

I have a window texture with alpha channel. Texture is applied to whole plane, no additional geometry. I want texture in part where it has alfa value to be transparent, but at the same time has ...
Stdugnd4ikbd's user avatar
2 votes
2 answers
259 views

How to create texture for stained plastic?

You can see the white spot under Sony Text. I think Spot reflection and randomize on black plastic surface. sometime used headphone, ps3 and other electronic plastic material. I've been searching ...
Thu Ra's user avatar
  • 33
1 vote
0 answers
2k views

Roughness map not effecting surface at all

The roughness map is not making a difference at all on the material. I made sure it has enough contrast. heres the file https://www.dropbox.com/s/lcvsk8g3vlvn092/Steam%20Shovel3.zip?dl=0
Mike's user avatar
  • 179
7 votes
2 answers
829 views

Create a complex pattern on a face

I have a sample like this, and I can't find out the method to create the bevel pattern around the circle The most I need is your way to create it
Từ Dennis Phi's user avatar
2 votes
1 answer
6k views

How to add roughness to a surface of a material with image texture?

I want to use the node editor to give them each a different level of roughness This is what I tried I just want to make the surface rough. But I don't know how. This is the final result that I want ...
dean's user avatar
  • 400
1 vote
0 answers
204 views

Weird noise-like textures on roughness textured surface? (Cycle render)

So I have this metal object that has roughness textures on it. It looks okay on the viewport. But when I render it somehow there are some noise textures on it. The noise especially is on the shaded ...
ariish44's user avatar
0 votes
1 answer
885 views

Object Turns Pitch Black When Roughness is Set to 0 in Eevee

I'm trying to create a transparent water texture in eevee but when I set the roughness to zero using the principled shader the object becomes pitch black. Here it is set to a roughness of 0.03. And ...
InTheBlender's user avatar
0 votes
1 answer
148 views

How To Get Reflections On A Smooth Surface?

I have downloaded a blend file from the internet. In that, on a smooth surface, a house image is reflected. but no house is in the environment. How to do this? See this image: Click to enlarge
J Chandra Kiran's user avatar
1 vote
2 answers
2k views

Texture Paint doesn't work in 3D view

Problem: I'm trying to paint roughness and later different colors on a car body. I clicked 'Unwrap'in the UV editor and went to Texture paint. I've created a texture for the roughness and connected it ...
M_Sebestyen's user avatar
0 votes
1 answer
85 views

How to cause the texture through the glass?

I would like to engrave some letter behind the glass, and then just put the light behind the glass to project the letter throughout the glass as a magnifier . I tried it by transparent shader ,but ...
Chinam Leung's user avatar
1 vote
1 answer
707 views

why do i get those weird black spots on a baked roughness map?

i was trying to bake the roughness map. but for some reason it got those weird black marking on it. that were not originaly there. i have no idea why it happens. any idea how to solve it?
Hunter111's user avatar
2 votes
1 answer
3k views

Roughness in cycles render. Need help with nodes

I am new in a blender, So I have a problem. I created photo scanned texture with normal and bump map (8K res)in photoshop. When I applied it on the object, all looks good in material preview mode, but ...
Ayaz Kerimov's user avatar
1 vote
0 answers
27 views

How do you change the 'efficiency' of a mirror-like reflection on glass?

I'm looking to create the glass top on a coffee table. My reference in real life is basically a piece of glass. I can see through it easily but not perfectly, so my Transmission is set to .87 to make ...
C47 Man's user avatar
  • 46
1 vote
3 answers
1k views

Roughness only in some parts [duplicate]

how is it possible to apply roughness, in the water material, only in the highlighted part of the mesh? Thank you
C P's user avatar
  • 21
2 votes
2 answers
159 views

How do I make a textures values translate into shader values

So the title might be a bit confusing bit it's the best I can do. I'm trying to make a simple way to control the roughness of my material with a texture. I want this particular material to have 0.75 ...
Aidan's user avatar
  • 23
1 vote
0 answers
125 views

PBR workflow - what am I doing wrong?

I'm going through a tutorial on UV mapping in Blender 2.8 and I need some help. Why is my material glossy/reflective? I have a roughness map connected (greyscale non color), and I also have a normal ...
Kiarian's user avatar
  • 73
1 vote
0 answers
57 views

How do I create a Drag Strip Material?

So I´ve been trying for multiple hours now to create a drag strip material. But because im relatively unexperienced when it comes to complicated materials I was hoping maybe that someone here could ...
Alessandro's user avatar
7 votes
2 answers
4k views

Glass: Increase "Transmission Roughness" as the object behind goes far

In the real world, there are some rough glasses that as objects behind them go away, they (the objects) become more blurry, but when we stick an object just behind this type of glass, it's almost ...
HF_'s user avatar
  • 480
0 votes
0 answers
627 views

How to bake a roughness map from a sculpted mesh in Blender 2.8?

I selected the option to bake the roughness map, but the bake doesn't register anything. I just get a grey image with no detail on it. I baked normals, AO and discplacement and these are all fine, why ...
user avatar
0 votes
0 answers
487 views

How to Bake Material Output to Images In Cycles

I have created a procedural brick material in cycles that I would like to use in Unity. When I try baking the image, it seems to bake the normal, roughness and color into a single image when I would ...
The Carpenter's user avatar
0 votes
0 answers
281 views

Image Texture Not Appearing On One of Two Objects Eevee 2.8

Here I have a stump Object and above it a Test Plane. Both Objects have exact same Material applied via nodes. Eventually I will use the texture to control the Roughness node in the Principled BSDF, I ...
ForestFungus's user avatar
0 votes
0 answers
82 views

How to install Yafray for Blender?

Please help, i'm trying to do caustics how do I install Yafaray for blender 2.79? i did as the yafray website instructed but i'm getting this error
managi's user avatar
  • 1
2 votes
2 answers
2k views

Roughness broken in Eevee?

I can't get comparable results between Eevee and Substance. The texture maps always look way too shiny. I've used the Principled Shader quite a bit and know all its nuances (non-color data for the ...
allen's user avatar
  • 999