Questions tagged [shader-nodes]
The shader-nodes tag has no usage guidance.
110
questions
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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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0answers
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:
1
vote
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 ...
2
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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
...
0
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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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0answers
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 ...
1
vote
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 '...
1
vote
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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0answers
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 ...
1
vote
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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13 views
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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0answers
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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0answers
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,...
2
votes
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 ...
2
votes
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 ...
5
votes
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 ...
0
votes
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 ...
1
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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 ...
2
votes
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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0answers
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 ...
1
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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 ...
1
vote
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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0answers
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?
0
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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 ...
1
vote
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 ...
1
vote
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 ...
1
vote
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 ?
0
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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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0answers
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.
1
vote
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. ...
0
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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 ...
1
vote
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 ...
3
votes
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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0answers
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 ...
0
votes
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 ...
1
vote
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 ...
0
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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-...
0
votes
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....
0
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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 ...
0
votes
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 ...
4
votes
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 ...
