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Questions tagged [shaders]

A shader is a computer program that usually runs on a GPU and is used to do shading, texturing, special effects or post-processing. Shader nodes specifically refer to the nodes used to create shaders for Cycles, but this tag can be used for other shaders as well.

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Eevee - Material Shader - “Ray Length” or Z-index equivalent?

Is there a method of controlling EEVEE shader node values based on distance from the camera? (Something like "Light Path > Ray Length" provides for Cycles shaders.) I know you can render a Z-depth ...
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how to make edge fade away with principled volume shader

how can i make edge on the atmosphere fade onto nothingness, right now it is to noticeable where it ends. I am using only principled volume shader and the density is at 0.0003. Changing density does ...
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25 views

Shading/Light problem on project

I have made this well but it doesn't look very real and I think because of the shading. Can anyone help to add more shading to the bottom of the support beam and the base of the bricks? I have linked ...
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Displacement`s type=Wood add in shader Editor

There is Displacements type Wood. It is just black lines. I would like to use this Wood texture in my shader. Can i add this ...
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26 views

Render Problem with a Glas Material and the Archipack addon

I struggle with a more or less realistic enviroment for my prototype model of my desk. So first the preview, with cycles (left side). When I render the scene, the door glas is white and not ...
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43 views

Blender won't render any bump maps

So, I've recently sculpted a head, now I've added eyeballs. But the eyeballs won't render my bump map even when i connect it to displacement
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Nodes when i click material option then my principle shader can't connected to material output

When I Going Material Options then my nodes can't connect already having this issue and alsoni tried manually to connect principle shader to material output but same problem please help
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37 views

How Can I Achieve This “image bleed” Background Effect?

I am new to blender and I'm trying to figure out how to get objects and images to bleed onto a background. Video E.G.: Look at the background and how objects are being printed onto it I ...
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31 views

Why is working with material on eevee so slow?

I have been moving to Blender 2.8 and am really impressed by how accessible the software got now. Initially it also was quite responsive and swift, but for some reasons I am running into trouble ...
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17 views

Problem with materials

When I try to change material or something in shading,my Blender crash.And maybe the reason is Videocard.Have ideas?
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48 views

How to use texture alpha with Eevee?

In blender 2.79 I was able to create textures with and alpha channel and use them to make partially transparent materials. I'm trying to figure out how to do the same thing in 2.8. Some online ...
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1answer
43 views

How do implement the effect of blur on transparent materials?

I'm trying to create a blur effect when a clear light passes through a transparent material. Here's a quick summary of the picture: And when an object is close to a transparent material, it should be ...
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17 views

How to offset shaders at object level like in Stereo?

Hi. Is there any way to apply an offset to the RGB PIXELS like when you activate STEREO OPTION in camera? I´d like to create an offset RGB shader moving color OUTSIDE the model itself (screen space ...
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How can i append a material from a blend file using python script

I wan't a script that could append a particular material only from a particular blend file so that i can just run the script and the material is there
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1answer
41 views

Normal/Bump map show in Look Dev but not on Render

I am trying to bake a diffuse texture with all the shaders applied to it, including the bump map effect just applied to the texture instead of having a seperate normal map. In Look Dev I can see the ...
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16 views

Create custom RenderLayer

I was wondering whether it is possible to create a custom RenderLayer? I would like to have a "Roughness" RenderLayer like DiffuseColor or SpecularColor. Is there any way to retrieve information from ...
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184 views

Can I use OSL shaders with Eevee in Blender 2.8?

I was trying to create a custom OSL shader to use with the 'shader' node in the material node editor. However, I noticed that none of the scripts worked when I was using the default Eevee rendering ...
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2answers
139 views

Can't see through BSDF principled/glass 2.8

High risk this question was asked a billion times and I am just too stupid to find the correct answer, so apologiez. I am trying to create a drinking glass, the inside faces are colored red to ...
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47 views

EEVEE Sub Division Surfaces with Blocky Shading

I'm having an issue rendering subdivision surfaces in EEVEE and can not find an answer anywhere. When applying subdivision surfaces to objects in EEVEE, it creates very distorted reflections in the ...
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1answer
29 views

Wierd shading of nomals

Ok I have no idea what is happening here. The back side of my faces shine through the face in front. I activated "show face normals" so it is better to see. First I thought my typology is mto bad, but ...
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25 views

Hide lines between nodes

In order to get a more clean node tree in blender 2.8, is there a way to hide for example the line in the circle? I really don't like crossing lines. I've been searching on internet and the manual ...
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HDRI background image won't show behind glass and artificial area light

i have an interior scene replicated from photo reference as a way to practise blender. this scene has sun, artificial area lights to help lighting the interior. and a HDR image to get something as a ...
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24 views

Holdout node cause odd outline

As the title says I'm having issues with the Holdout node causing an odd outline: https://imgur.com/a/eaTu8KP Sadly I don't want to share the blender file because this is a project but I would be ...
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41 views

spikes emerged when i put displacement node in blender 3d 2.8

soo i im using image texture for base color and displacement then i enabled experimental from render tab then i enabled displacement and bump in materials - setting - surface - displacement. and ...
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19 views

Access array modifier index in shader

Is it possible to get the array index of an array modifier in the shading editor? I need to shift the UV of every array segment by a certain amount. I can't apply them because the number of segments ...
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26 views

How to Create a bright semi transparent Crystal that reflects in multi-colors

I would like to be able to create crystals that look like this: https://pbs.twimg.com/media/D_p99yOW4AA0bNd?format=jpg&name=4096x4096 I would like them to be able to reflect multiple colors like ...
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1answer
42 views

Strange shading fragments on mesh

can anyone help me? I've just finished texturing a model I made. After I import the mesh and the textures in UE4, I've encountered this shading fragments. This are screenshots on UE4: This is how ...
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Texture that only visible in shadows

I am trying to shade an earth model. Trying to show night lights on the dark side, but I am having hard time on figuring out how to use light path node, to isolate night emission at the sunshine. I ...
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46 views

Blender shader that imitates sculting in stone

Im new to Blender nodes. Im trying to make a material and apply it to a mesh made of a single square. It needs to be able to take 2 textures. One stone texture, and one that has the ornaments that ...
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28 views

How to remove the movement of shadows? (EEVEE)

I have a issue with shadows cast from my sun light "Jittering" is there a way I can bake the shadows so they don't move at all from frame to frame? Also it only appears in the render, doesn't seem to ...
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54 views

Activate Smooth Shading and Subsurf Level with One Shortcut in Both Object and Edit Mode

Maybe I'm missing something, but I feel like changing the subsurf level and shading needs a lot of keypresses. Usually, I model in edit mode with subsurf off and flat shading. Sometimes, however, I ...
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16 views

how to set up downloaded textures

I just got a model from kitbash for free and I was wondering how to set up the texture that was in the zip file inside of the zip there was the.BLEND file and a texture folder, inside of there where ...
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36 views

Separate alpha from color in Shader Editor

In the Shader Editor, I can create an RGB node and in there, I can set an alpha value as displayed in this screenshot: However, no color separation node in blender supports extracting that value and ...
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11 views

clothing retains color and others do not

So I created characters and shaded them etc etc. I uploaded to Mixamo and a lot of the characters lose their shading. In the case of the image one character retained some color the others did not. Im ...
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1answer
21 views

“extra shading pie menu items” option not showing in custom keymap

In Blender 2.80 in Properties > Keymap if you use the standard Blender preset you get Preferences windows with option to check "extra shading pie menu items" option under Tilde Action. This option ...
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17 views

Pass viewport camera world space position to shader

AFAIK, the Camera Data node doesn't provide viewport camera's position, what alternatives do I have?
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27 views

I can't make correct glass in EEVEE

I make a glass material, but it isn't rendered yellow glass behind him But cycles do it
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31 views

How to change shading of selected faces with retopo - 2.79 comparison

2.79 renders the underlying selected mesh more "pronounced" over the other objects when in editmode. This is a common situation when doing lowpoly retopo over highpoly. In 2.8 its really sinks in to ...
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22 views

How can I make a flat wooden material?

I'm making this kitchen scene and I am trying to get the cupboard material to look like the one in the picture. Currently I think this looks to "plastic" and I want it to look more real. Is there any ...
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18 views

Why does my model have black lines on the mesh when I zoom out?

I have no idea why this happens and I am really stressed out about it. Can someone please help me? Close: No Problem. Far: Black line left of eye where my UV seam was...
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1answer
17 views

Render Viewport shows textures, final render does not (Cycles)

first time posting and fairly new to Blender. I've been working on a project for a couple of days, and so far everything has been working out pretty well. Today I was working on creating UV maps and ...
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74 views

Shader Editor: blinn-phong shading in a BSDF world

I am trying to access the light direction in shader editor to make a custom lighting shader, but couldn't find such node? Alternatively, if anyone can come up with a conversion from blinn-phong ...
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58 views

I can't open the viewport shading dropdown when in render preview shading mode

When I click on the viewport shading dropdown nothing happens all it shows is a popup bubble that says Viewport Shading. I am currently trying to change the backface culling checkbox because Unity ...
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24 views

MixRGB vs Math for greyscale

I'm currently using Blender 2.8, but this applies to 2.79 too. In the shader graph when using scalar/greyscale values is there any difference between using the Math node and MixRGB for the operators ...
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17 views

What is the fastest way to add ambient occlusion?

As I am aware there is a couple methods to add Ambient Occlusion (AO) to scene/object, via Input>Ambient occlusion in shader editor it adds a AO to objects using that material, another way is to ...
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Help me make effect of transfusion by shaders

I have mesh of piece of guitar( I dont know how to translate to english, it is white ). Now i need make shaders. I want to do the same transfusion of white(As for me it looks like waves ) Can i do ...
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22 views

Is there anyway to use a shape or mesh as a mask?

I saw a tutorial on making a "sky box" or "Sky dome" and I was wondering if this can be done in any other shape like a humanoid mesh. Alternatively: im trying to figure out out how to put a nebula/...
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1answer
69 views

Can't decrease the brightness of the transparent shader effect

I'm trying to make a transparent plane in blender 2.8 that works in cycles. I want to reach the same effect that I have when I set up a background image with the transparency enabled. Below you can ...
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1answer
32 views

Movie is not playing properly blender 2.8

My Movie for my TV is not playing in render mode of my view port but it is playing in the UV Editor i have no idea whats going wrong. I basically added an image texture and opened an mp4 Movie Format ...
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1answer
9 views

How to specify a different value for a node parameter, part of a node group, for different materials

I've got this object which exists of 10 meshes or so. Their UV maps are all different, of course. I would like to have the same shading on all of them, so I created a node group. The node group ...