Questions tagged [shader-nodes]

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20 views

help with gloss reflections!

I'm in dire need of some help here, as you can see in the second photo both, the car and the light that illuminate it, reflect on the ground plane I added. I'd need to keep the car's reflection only ...
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24 views

Is it possible to add images to existing node or node group?

Is it possible to add images or interactive graphs like color ramp or RGB curves to UI of existing node or node group? example:
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1answer
24 views

Change the linked node on a node group using Python

I'm trying to figure out how to change the linked node in a node group on a material via python bpy.data.node_groups['Group_Shadow'] I'd like to do the equivalent ...
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0answers
24 views

Applying Specular Highlights Separately? (Eevee Nodes)

For a bit of context for what I'm stuck on: I'm working on an original anime/toon shader for skin. It takes the base texture colour and applies a colorramp-ed shadow from a principled bsdf shader with ...
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38 views

What limits the maximum zoom-out in the Shader Editor?

For a Nodes Shader I'm developing, I've built a very large system of nodes in tinkering over the last few weeks. The system is now large enough that I can't view it in its entirety; the maximum zoom-...
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14 views

Texture coordinates shift slightly on each array object [closed]

I'm trying to create a seamless loop 150 frames of an object with array modifier The object and the camera are placed perfectly and if I run the animation without the textures everything is seamless ...
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1answer
37 views

How to add color based on height of a single geometry nodes mesh

what can i do to get a effect like this https://www.youtube.com/watch?v=F1kBax6Z8s4 . i have made the animation in geometry nodes . how can i then affect the opacity of the single letters according to ...
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19 views

Texture coordinate isn't working as desired when shading distributed plane with icospheres using geometry nodes

I'm trying to create an animation using a plane distributed with icospheres that is affected by another shape using the proximity attribute in geometry nodes. Now the problem is when I use a texture ...
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1answer
30 views

I want to assign an image file to an image node inside an existing node group

I'm trying to do something very simple, but cannot figure out what I'm missing. I can do this fine when not accessing a node group. The file 'image.png' exists. The material 'my_mat' has a node group '...
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1answer
26 views

Adding metallic/glossy surface to dissolve effect

New to blender, and attempting a sort of material wipe, one material is wiped away revealing another one. I'm having trouble formatting this in a way to add a metallic/glossy texture to the black ...
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15 views

Shader Nodes: Geometry Normals BEFORE displacement

Both True Normal and Normal act after displacement. How do I access the geometry before displacement? EG: I have a displacement that I do not want to act on the edges, therefore I would like to mask ...
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1answer
49 views

That hologram effect from Star Wars

So I’m trying to recreate the Princess Leia hologram effect from Star Wars. I’ve got the interlacing and transparency down. But I’m trying to nail that flicker as well as the way it glitches out/...
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cc3 character invisible in eevee but visible in cycles

I am new to Character creator, so I exported the character from cc3 to blender, but when I render it gets invisible, but after changing to cycles mode it appears. Please help this friend out. I don't ...
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1answer
20 views

Texturing and shading problem [duplicate]

everyone, I'm working on an interior model, but whenever I go to my shading editor, my node setup doesn't display. .any help?
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27 views

Bump and Normal Map node changes color of my Image Texture

I tried to use apples as a texture and add to it a bit of depth. But after adding bump or normal map it changes color to black and white. How can I keep the color?
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35 views

What causes the visible seams in this seamless procedural texture with non-mirrored interior, and what are good ways to remove them?

To properly explain my question and what I know about it so far, this will be a bit lengthy, so please forgive me for this long preface: I'm creating procedural textures in Blender nodes with seamless,...
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1answer
118 views

How do I enable texture preview in the node editor?

I'm following another answered question on stackexchange and one of the screencaptures demonstrated the node editor with texture previews on individual nodes including output. This is from a much ...
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3answers
77 views

Set sun position of a Nishita sky to the rotation of an empty

I was wondering if it's possible to use an empty to control the sun position on a Nishita sky node. I'd like this so I can animate it properly and do easy testing in-world without having to edit the ...
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4answers
97 views

How do you avoid Domain errors, and floating point Not-A-Number or infinity errors in shader node math?

I suppose this applies to Geometry nodes as well, but the problem came up while I was creating a procedural material. I'm trying to animate a material that mimics the rotating line on a radar. For ...
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1answer
19 views

Location vector turning into degree vector

I am making a node group that has an input coming from the location vector section of a mapping node shown below. However, the actual input for the node group shows up as degrees. This causes my ...
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0answers
14 views

Geometry node's 'pointiness' channel not finding for edges

I've been trying for several projects now to get a good procedural weathering effect using the geometry node's 'pointiness' value in the materials. I feel like I understand how the setup is meant to ...
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0answers
36 views

How to access triangle vertices and their attributes in shader nodes

Is there a way to access the attributes of a triangle or face associated with the currently processed fragment? I see that we can get barycentric coordinates for each face using Geometry node -> ...
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0answers
24 views

RGB mix nodes create white border between layers

I'm using blender 2.92.0 and I have a set up in which an image is split in its RGB channels to be used as masks for applying colour to an object's texture. I'm using a set up of 3 multiply mix nodes ...
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1answer
28 views

Using Displace Modifier Textures on shading nodes

It may be a stupid question but I cannot figure out how to do it: I like a texture that is specifically in the texture tab of the Displace Modifier (Modifier only) but I'd like to use that texture in ...
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36 views

Blender Cycles affect incoming rays

So I understand how ray tracing works. And in shader nodes in Cycles you can use LightPath node to tell the renderer how certain material affects the rays that come from other object. For example if ...
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0answers
14 views

Is it possible to create a Gaussian Pass Filter in Material Nodes?

I noticed someone did something of an image kernel here: https://blender.stackexchange.com/a/52326/94245 I was wondering if something similar is possible with a gaussian kernel to achieve TRUE ...
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0answers
25 views

Lazy connect doesn't work

I'm using Node Wrangler's Lazy Connect. But it simply doesn't work at all. For example when I try to connect these two nodes: And nothing happens. What's going on?
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16 views

Rotate location of pixels of a color output node?

Is it possible to take the color output of a shader node and rotate the location of pixels?
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1answer
62 views

Updating the texture image node using python

Updating texture image node issue using python. I have several different texture input files that I want to render out using the same node group setup and blender file. Python doesn't seem to be ...
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2answers
29 views

How to copy material to another object but not link it?

I'm trying to copy the matrial from one object to another by using CTRL + L and using link material. But I want it to be its own material because when I make changes on one of them the other gets ...
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0answers
12 views

Material with particle info node location is not working as expected

I'm trying to discriminate the lower particles from the higher particles on the z axis, but the particle info location makes it very random. Half of the particles are about z=0, so I expect a smooth ...
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0answers
16 views

Does anyone know how to convert a custom node group into a node which is not a nodegroup? [closed]

I have been trying to make my custom node groups into a node. Can anyone help me ?
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1answer
47 views

In eevee,I want to connect transparent bsdf and emission to a mix shader and paint by factor, but it doesn't work. How can I do this?

I'm trying to create transparency with toon shader, but I can't paint by factor, even though I can adjust the transparency. When I connect the texture to the factor, I can paint the image as I ...
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18 views

how can I apply a color map but to individual vertices (as flat colors)

I'm in the shading tab (I'm fairly new to blender and don't know how to do much with nodes) and I can't figure out how to alter my nodes to flatten out as single colors to my verticies.
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1answer
69 views

How do you make a brick texture follow a ring?

I have been trying to create a circular patio with rings of bricks. I tried using the wave texture and the brick texture that come with blender, but I haven't been getting the results I wanted. ...
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0answers
23 views

Does anyone know of a material node group (not compositing) that emulates Photoshops "Vibrance" control?

Here is an article that breaks down what Vibrance is actually doing under the hood. The TL;DR version is: (Vibrance) Adjusts the saturation so that clipping is minimized as colors approach full ...
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0answers
23 views

Pixelate Texture

I know how I can pixelate a texture by pixelating the texture coordinate input that goes into the texture, but is there a way to take an texture output and than pixelate it? I try to create a node ...
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0answers
50 views

How can I give an object that has geometry nodes a material?

I have made a spirograph generator using erindale's tutorial, with geometry nodes, then I added a point instance node to make it solid (I lowered the amount temporarily to speed it up) however, giving ...
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1answer
47 views

How to remove shading fully from an object with alpha?

I'm making a scene that's intended to imitate solid-colour vector art, to use as a background for 2D animation, so it's essential I don't have any unwanted shadows/light bounces. The best method I've ...
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2answers
117 views

When I link the mapping node to the gradient node my sphere turns black. How do I fix this?

Before and after linking the nodes. I am trying to create a partially transparent cornea for context! The entire sphere keeps turning black when I link the mapping node to the gradient texture node.
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0answers
49 views

How to create Edge wear like this image below?

So I a having been trying to do edge wear like this Marine from WARHAMMER created by Pontus Ryman: I asked him how he produced it, he said he did 100% procedurally in Blender, here is his response: ...
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20 views

Blender is becoming increasingly unresponsive and Vanished line nodes

I am facing following 2 problems. My blender works fine on modelling and sculpting. But when i try to create new materials it starts helding/irresponsive and takes 5- 10 minutes to responding and ...
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1answer
36 views

MixRGB vs math performance for single/greyscale values

I would like to know if MixRGB still calculates the three color channels if the input is a number or grayscale value. I am aware the result is the same either way but, this matters for simplifying and ...
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1answer
50 views

Use custom vertex attribute in Attribute node (shader network)

I was reading this post and this one : Other than copy new data to specific "known" vertex attribute like "Color" for example. There is way to read custom vertex attributes in the ...
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0answers
28 views

HSV values match but colours don't match with the tutorial

I'm following a tutorial and his HSV value (left) and my value (right) match but colours don't. I don't understand this. Am I doing something wrong? Thank you
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0answers
19 views

How to us python scripting to create, connect and change an image texture node [duplicate]

Im curious of how to automate creation of shader nodes and and end up with an image texture connected to the color-input of a Principled BSDF. This would have been easy if copy-pasting from info-...
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2answers
22 views

can i keyframe the position of an image texture node on the surface of a model?

im trying to be able to keyframe eyes on a model but the eyes are image textures on a surface. moving the surface that theyre on dosent work. i just need a way to move the eyes (images) on the surface....
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1answer
81 views

HDRI image not visible when viewed directly, but visible through glass

new to Blender and I'm trying to replace the HDRI image, but keep the lighting. After trying the compositing method, I decided to go with a big sphere around the model. I am able to view get the ...
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1answer
62 views

SMITE model materials nodes

I downloaded a SMITE model from a certain site. It has all the necessary textures and some more which are all called "mask". I plugged the dif texture into the main color of the principled ...
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2answers
190 views

What would be the best way to have something be different in a reflection

I have a render I'm working on which is focused on a character leaning over a reflective surface and a different character is visible in the reflection. The top picture is the main character, and the ...