Questions tagged [shaders]

A shader is a computer program that 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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1answer
18 views

Tractography: Colour by X/Y/Z direction

So I'm pretty new to blender and I'm trying to make some visualisations for a paper I'm hoping to publish. So far I've got my tractography and cortical matter loaded into Blender and I've managed to ...
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Realistic ocean / sea shader - material

I am trying to create a realistic ocean shader material in blender Cycles render. I searched a lot of tutorials and I have tried different kinds of nodes; (I am a beginner in blender cycles nodes)but ...
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1answer
226 views

Shading artifacts

Sometimes I encouter this problem. Anyone knows why this happens and how to fix it? Here you can download the blend file: https://www.dropbox.com/sh/dkoikr6qwosq25f/AADJYnH1-uv2haNshs-nq7nWa?dl=0 Flat ...
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2answers
108 views

Transform/Scale Pattern over X Axis using Shader Nodes

I'm looking for a way to scale a pattern over the length of the X-axis using just shader nodes. The bottom image is the effect I'm going for. Thanks!
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Shaders Nodes - Attaching and detaching nodes with python [duplicate]

I would like to import an image as a plane, then add a MixShader and a Transparent BSDF, detach the Material Output Surface link, attach the BSDF to the MixShader, to the Material Output, then add the ...
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2answers
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How to make a shader that applies this effect to each face of a cube?

I'm very new at shaders, so in order to learn what they're capable of I wanted to try and create an effect that is a fair distance away from anything you can do with a single principled BSDF node. I ...
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0answers
27 views

How to render gouraud shading?

Is there a way to render gouraud shading in blender? Or a shader setup that would extremely closely mimic gouraud shading? If not, what other solutions might there be for what I'm looking for? I'm ...
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0answers
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Is it possible to shade objects in Cycles based on Z gradient, to highlight/darken edges?

I'd like to shade the edges of my objects darker, like a toon shader, based on abrupt Z depth transitions to neighboring pixels -- in other words wherever the Z gradient is high, darken the image. I ...
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1answer
23 views

Colors in baked texture

I'm trying to bake a procedurally generated texture. Everything seems to work except the colors seem to be off from what I expect. To narrow things down, I've removed everything from my shader except ...
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0answers
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How to detect changes in node in python

I am trying to create a simple library of procedural materials for myself. As per my logic what I need to do is : Create a node tree in Python For preview purposes I think I will add a Data-block/...
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Why does the rendering look way less quality in the shading parts than it does in the preview?

When I render my character, everything that is shaded kind of metallic, except the balls that are flying around the model, does have these triangles of low quality in it. In the preview everything ...
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0answers
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Emission glow through glass materrial

How to create a emission material that will glow through glass material in Cycles render? (volumetric light) I have attached the project file here: https://drive.google.com/file/d/...
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1answer
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Pink material when using 2 x PBR (Principled BSDF) materials into a mix shader w/Eevee

When I combine two PBR materials (with Principled BSDF Shaders) in Eevee through a Mix Shader, the output is pink? Alone, each Principled Shader works, even if I pass one material through the mix ...
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1answer
46 views

How to mix three different shaders on the same material?

So I came across some difficulties with the "Mix shader" node in cycles. I have 3 textures on a label: gold, paper and rough black letters. How can I mix these effects? I can make 2 ...
2
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1answer
85 views

N64 style vertex shading/lighting for low poly models?

I can't find info on how to achieve this. I'd like to make n64 style graphics and imitating the way models and environments are "lit" is the part I'm very lost on. I've heard it's a kind of ...
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2answers
391 views

Help with rough Shading in blender

I'm trying to make a shading in blender 2.8 that looks like the handle of the Glock like in the picture
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0answers
28 views

How to make tiles with mirroring/gloss effect?

I am trying something that should be trivial, without success. I've done a search and found a similar question, but I don't want to change the shader, I want to keep it simple and I think that what I ...
2
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2answers
64 views

Mask Image Plane in Shader Editor or Compositor

I have an image as plane imported in Blender 2.91: Now I want to mask off the red wine and then animate it so it would fill the glas: Yes, it must be solved in Blender. Tried it in Compositor with ...
6
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1answer
205 views

Can I colorize hair particles based on the Emitters Shading?

I'm experimenting with CELL SHADED fur. The thing is that it doesn't look that great... I'd like for the hair particles to just take on the flat color of the surface where they're placed, after the ...
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0answers
14 views

Surface not casting any reflections Cycles

When I go into render preview, the materials from the car are not reflecting anything and are only very dark, although they should. When going into the material preview everything seems to be okay. I ...
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1answer
24 views

Fix face smoothing

I would like to know why it happens and how to fix this issue? I have a model imported from the FBX file. I want to add a face to this model. So, I select edges and ...
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0answers
46 views

Flat shader and transparency

I have to use flat shading in Blender, but I need to use transparency too, for the windows. I can't use shadows or AO, I just need to visualize the flat shading and transparency in the viewport. If ...
2
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1answer
33 views

Why I don't have Toon Shader in blender2.91

I don't have Toon Shader. I use 2.91
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0answers
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Weird shading issue with Eevee (shadow lines)

I struggle with some shading issues. I made a little animation with little camera movement. On same frames there are weird shadow lines. Other frames which are almost the same, are totally fine. It ...
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1answer
44 views

Displacement is blocky

I am trying to do some Moon renders using NASA's CGI Moon Kit: https://svs.gsfc.nasa.gov/4720 Said kit has super high-res color and displacement textures (27000x13000), but this is what I'm getting ...
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0answers
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Shader Editor is glitching like old Pokemon games. Any suggestions as to what I could do?

I wanted to try out the latest version of Blender, because more and more awesome new things are being added. So far, it's been pretty alright, until I decided to bring up my current project from 2.83....
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1answer
27 views

How to create black color in Eevee without any reflections?

I try to make a a scence where I want an object not to be affected by any lighting, reflections etc... Here is the picture and the black planet should not contain anything but black. I would be so ...
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2answers
80 views

how to fix pupils (nodes)

ive tried to make a black and white 2d mesh (the 2d mesh does have a curve however) i have used nodes to make a black, shiny mesh texture with glowing white pupils, however for some reason on my eye ...
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0answers
12 views

Dynamic Paint multiple color

I'm trying to do 2 color on a canvas with 2 brushes. I understood that it was necessary to use a collection per brush On the other hand I have no idea how to make the nodes to have the 2 colors. ...
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0answers
20 views

how to apply my group node to multiple different materials?

I have made a group node for one material. Now i want to use this group node for multiple different materials. Is there a shorter way than just copying it manually in every material which is very tidy....
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0answers
23 views

Diffuse map bake problem?

Not only diffuse I have the same problem with other maps as well, im not to good at interface of blender, so I might miss something somewhere, this is the screenshot. As you can see, some of them ...
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0answers
12 views

Improve texture rendering [duplicate]

I cannot understand why my rendering looks so fake. Can you give me your advices ? Here it is nodes shader : EDIT : I would like to get this object modeled
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4answers
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What's the fastest / most fun way to create a fork in Blender?

#challenge #justforfun #bounty (#sarcasm) Related challenge: What's the fastest and / or craziest way to model an arrow in Blender? I tried to make a fork in ...
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0answers
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I cant texture pain after using shader nodes

When ever i try to paint it paints on dark grey colour.
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1answer
21 views

Why don't my objects reflect in the base plane? [duplicate]

I'm clearly missing something basic, and no doubt terribly simple. I've seen videos and tutorials on constructing reflective objects, and kind of even understand them (and I'm at least sure I'm ...
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0answers
16 views

Shading tab isn't working right 2.9 [duplicate]

I've been having this problem in blender and I don't know if its normal or not basically when I switch to the shading tab the scene is completely wrong its like reflective-y and it doesn't even ...
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0answers
30 views

Is there a guide to learn more about nodes? [duplicate]

I'm interested in nodes, but my understanding of them is lacking. I don't really know what most nodes do or what the connections mean (the yellow, grey and blue dots)
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0answers
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Weird Auto Smooth behaviour

I'm creating the inside of a hangar, and after some work, I checked to see how the shading is. To my surprise it's all messed up. I've never seen this bad smoothing, and I have no clue how to make it ...
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1answer
12 views

Rendering Colored Texture, but the result is a gray texture [duplicate]

I am making an object and look like this But when i rendered the image, it turns out like this This is my render properties This is the material properties I just want to render the image like the ...
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0answers
18 views

Alpha Planes cut out holes into geometry behind it

Hello I am using a model of an owl I got in ABC format. When I plug in textures to the feather objects (which are just planes) I get this weird error - whenever I input alpha into the feather plane, ...
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0answers
24 views

Why do parts of my model look really bad when I shade smooth? And how can I fix this?

Why do parts of my model look really bad when I shade smooth? And how can I fix this? When I shade smooth parts of my model look pretty good and others look quite bad (I don't mean the shape I mean ...
2
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2answers
48 views

Is there a way to drive “Mute a node” or Toggle “Auto Refresh” in the Image Texture Node in Movie / Sequence Image Mode

Hi There Blender Peeps.. I am in need of some help, I am wanting to make a shortcut in the Item Properties to toggle a node from working, The Item Properties shortcut I speak of is the area Right Side ...
2
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1answer
57 views

Snowmen's hat wave texture problem

I’m doing a CG Cookie snowmen course and I’m stuck on this part https://cgcookie.com/lesson/materials-for-the-scarf-and-hat at 19:31 where he put a wave texture on top of the hat and I’m having ...
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0answers
23 views

Strange hair shading behavior in EEVEE

As far as I know, the hair shaders do not work for EEVEE (if I am wrong, please point me towards any contrary info!), so I used principled BSDF materials for hair in my christmas scene (see attachment)...
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0answers
20 views

When I assign a texture, it appears in the preview but not on selected faces

I have several faces assigned to a material slot. However, when I try to assign a texture to it, the texture appears in the little preview box but does not appear on the faces. They slightly change ...
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0answers
26 views

Transparency from shader becomes white when exporting on transparent background [duplicate]

So first time actually posting a question here, but I just can't seem to find a solution. So I made this fire ramp shader for a project I'm working on, and I want to have a transparent background for ...
5
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1answer
83 views

How do I radial gradient shade an open object?

Not a plane or a sphere. Like the attached blend file. Either, for example, white at both ends, black in the middle or black at both ends, white in the middle. A gradual gradient from one to the other ...
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0answers
14 views

viewport / rendered eevee problem [duplicate]

please, I need help the Eevee viewport rendered doesn't show any objects, in the cycles it works perfectly but Eevee is not showing any object, I have tried 5 versions of blender they all have the ...
0
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1answer
20 views

How can I programatically evaluate each pixel before final composition?

I'm using a complex compositor node setup, which in the end reduces the image to just a few solid colors. I would like to remove any pixels from the image which have no pixels of the same color in the ...
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0answers
14 views

Can't see the ocean modifier in the render

Any help would be appreciated. Thanks in advance :p Thanks to this tutorial https://www.youtube.com/watch?v=CwJrb3vjAaA&t=1327s I could follow this tutorial until the render time but when I ...

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