Questions tagged [nodes]

Nodes are used in the Node Editor for compositing, post-processing, creating materials and textures. Use this tag for anything node related.

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1answer
65 views

Sample Color tool. Eyedropper reverts to a pointer

In the Shader editor if I click to change the colour in one of the colour swatch windows on a Principled node and then select the eyedropper or Colour Sample tool, as soon as I move the mouse it ...
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0answers
38 views

How do I pixelate a texture in Blender 2.91.0?

I have a perfectly clear normal image I'm using as an image texture, now I want to make it pixelated via blender. How do I do that? Some stuff I've learned: Can't use the pixelate node because I'm ...
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0answers
15 views

procedural texture driven by image texture? Possible? [duplicate]

I am just messing around and trying to make some kind of object that has a bunch of hearts on it. I have an image of a simple heart and I tried mixing it with a checkerboard texture and it wasnt ...
1
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0answers
86 views

How to build a six Colorchannel Grayscale Controler in the Compositor (Similar to Photoshop and alike)?

I try to recreate a Color to Black and White converter for the compositor that can handle six color channels, similar to those ones in Photoshop or Affinity. By now, i recreated the standard "RGB ...
1
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0answers
17 views

Mapping an Image on a Acrylic Glass Pane [duplicate]

I managed to put an image onto a glass pane (using UV-mapping and nodes). Following a tutorial on YouTube on acrylic glass, I was able to improved the pane (adding Fresnel to have the edges reflect). ...
4
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1answer
44 views

How to display vertex colors in Viewport Shading Mode

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 ...
1
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0answers
21 views

Is there a dynamic light-amount dependent material change node setup?

I have a mountain scene and I want to reduce snow only from the bright areas of a plane. Is there a way to do this dynamically, so I dont have to use vertex paint, and it reacts to light change? Like ...
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0answers
37 views

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 ...
5
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1answer
1k views

My material for my donut bun is glowing

I finished my donut texturing and and don't know why its glowing. I'm pretty sure it wasn't there from when I started to add texture to the donut. I don't know how to make it stop glowing
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0answers
43 views

Mask Map Displacement

I'm making a Brick Wall texture, from the Rob Tutyel course. The main problem with this wall is the Sandstone border. It's just bulging way too much. I hope you can see that hard transition with the ...
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0answers
22 views

Sandstone Border Bulges

I'm some what new to Blender, especially to nodes, so I don't know if this is a beginner question. I'm making a Brick Wall texture, from the Rob Tutyel course. The main problem with this wall is the ...
3
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0answers
27 views

How to stabilize Random Per Island for Meta Objects

I have a very basic AN setup where I vector jiggle the position of meta ball instances for a lava-lamp-like motion. I wanted to change the color as soon as an individual Meta Ball disconnects from ...
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0answers
77 views

¿Is it possible to pass a [color ramp] to a node group?

Are there any addons or other features in Blender that allow the Blender User to write nodes that pass in color ramps and reuse them in a group node? If the answer is yes, then what are the steps? ...
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0answers
22 views

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 ...
-3
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1answer
57 views

Help on Embossing Letters Need a Larger Effect [duplicate]

I am trying to recreate this emboss effect: I've tried doing so through displacement nodes and I'm not seeing a good result. I've rendered two images with different approaches and still looks the ...
1
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1answer
26 views

How to access the “Browse Image to be Linked” dropdown from an Image Texture node using python?

I am trying to access the "Browse Image" dropdown from an Image Texture node using python: That is, I want to be able to draw this dropdown to a panel, so that it can be accessed and the ...
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0answers
26 views

How is a normal stored as a vector value in Blender?

Specifically, when using the geometry node like this and applying a separate XYZ node to it, what does the Normal output node output?? I'm using it to show a texture only where the normals are facing ...
0
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0answers
13 views

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/...
3
votes
1answer
36 views

transfering compositing nodes with render layer nodes

I have two projects. In one I have a lot of compositing nodes including a lot of render layer nodes. I have found a way to append nodes but it does not work with render layer nodes. Is there a way to ...
1
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0answers
25 views

How to keep the point density cache clean for an animation

I have a particle system, that is added as the source of the point density. The problem I'm facing is that when trying to render it as an animation the point density cube around the particles ...
10
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3answers
2k views

How to make a realistic Pepsi material?

I'm trying to make a realistic material of pepsi. I want it to look like this: Without the ice cubes of course. I found this, but it doesn't look very good. It is also going to be a fluid simulation. ...
1
vote
1answer
70 views

Metallic BSDF shader is always black

I'm trying to model a textured and anodized aluminum material (think Apple MacBook). I'm using the Principled BSDF node because my end target is a glTF for display in the browser. Whatever I do, when ...
0
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1answer
54 views

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 ...
1
vote
1answer
19 views

is there a way to get the final object space normal (with normal maps applied)

Im trying to create a light source within a shader, this light source needs to be in object space. I have created a node network that does this well, but only uses the mesh normals (in object space), ...
0
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2answers
90 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 ...
0
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0answers
14 views

Merge 6 images back onto object

I have a tree of which I took images from all six side (namely topview, bottom, X positive, X negative, Y positive, Y negative) and thus I have six images (square aspect). I also projected the UVs ...
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0answers
21 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....
1
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1answer
69 views

Texture Nodes - Creating a pond

So i'm creating a pond hopefully and just experimenting with nodes to get there before i actually add it to my scene. Tutorial i was following used voronois and displacement maps but this was ...
3
votes
3answers
2k views

Making Ores Glow (Minecraft)

A couple weeks ago I got into animations and I find it really interesting. One thing I have not been able to figure out is how to make only specific parts of a block glow. Specifically, I am unable to ...
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0answers
14 views

Change Clipping of Multiple Materials

I've imported a few hundred images as 2d planes (using Import Image as Planes), but they all imported with an extension mode of 'Clip' rather than 'Repeat'. How can I change them all to Repeat? I've ...
2
votes
1answer
48 views

Rope material stretching along long faces

Trying to make a rope material. Granted I am still learning this, but my result seems to be stretching in strange ways.... This is how the UV is unwrapped and this are the nodes being used any ...
-1
votes
1answer
44 views

Node Editor - Python - Expose listed Node Groups dynamically in Node shelf panel

Issue Currently, node groups are only accessible in the Add menu then group sub-menu. You can't just click and drag them into use. You have to search, or go into sub-menus to use them. Question It ...
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0answers
17 views

I cant texture pain after using shader nodes

When ever i try to paint it paints on dark grey colour.
7
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1answer
177 views

How can I increase the length of the node editor's “name” input field?

Here's an image of what I mean: It gets annoying when working with names that are longer than the input box. Anyone know how to do this?
1
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0answers
28 views

“Single user copy” for image texture node in 2.92 missing? [closed]

In 2.9 I can just click the number and it's done (now I can assign different color spaces to the texture) In 2.92: Firstly - I don't understand this terrible UI design decision with this annoying ...
2
votes
1answer
38 views

PBR Textures; can I mix them with basic MS.Paint images?

I've been having a go at some PBR textures. Nothing too complex at all, rather just following this simple and easy to do tutorial: https://www.youtube.com/watch?v=y8uSR8V8olw Now, being a total ...
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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)
2
votes
1answer
79 views

Why Geometry's Tangent are difference from Tangent node?

According to the document, geometry node's tangent is surface tangent in world space. And tangent node is from a manually created UV Map for full control when use UVMap. They output difference result ...
0
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0answers
22 views

Combine two animation nodes blocks

I'm playing with Animation Nodes and managed to do what I wanted : reveal letters one by one by moving an empty ("reveal") wiggle letters independently ("rotationWiggle") Now I ...
2
votes
1answer
45 views

How to implement Quadratic Bezier curve SDF using Blender's node

Hi There Blender Peeps and Lovers... I need some help. I tried to draw Quadratic Bezier curve SDF using Blender's node editor. In order to complete this challenge, I referred to the code from Inigo ...
0
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0answers
29 views

Mismatching colors from multiple textures (2.90) [duplicate]

I feel like I'm missing something simple (newbie here), but in Blender 2.90, when assigning multiple image textures with MixRGB nodes, the colors that are shown on the 3D Viewport don't match the ...
2
votes
1answer
47 views

How can I make a glowing iris (eye) material similar to these pictures?

Is it possible to create such a material in Blender? Thank you in advance! My nodes of iris:
0
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0answers
45 views

Procedural texture creating rough edges

I'm new to blender, and I decided to model a cookie to develop some basic skills. I'm practically finished, but I'm running across a problem. The bottom part of the cookie looks really spiky and low ...
2
votes
2answers
73 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 ...
3
votes
1answer
50 views

Why are the colors from color ramps dimmer than what you pick?

If I input a color in a color ramp, and set the ramp to constant, the colors do not come out exactly like the input. They are grayer/darker. Example: On my color ramp, the yellow input is "#...
3
votes
1answer
29 views

Drivers and value limits on Node Groups

Let's say you want to use drivers to avoid the max value to be lower than the min value on a node group. As you can see the driver works, the value is changing, but is not limiting the max value. ...
3
votes
1answer
51 views

How can I make this hexagon be exactly the height of the square

I made this hexagon using a tutorial from erindale: https://www.youtube.com/watch?v=mLRqhcPIjg8&t=334s I'm trying to make a pattern using this hexagon (the carpet pattern in "the shining&...
0
votes
1answer
21 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 ...
3
votes
1answer
72 views

Is there a way to loop in some way, the w slider on 4D nodes?

I have a little procedural nodes animation that has a wavering 4d noise texture made by adding the #frame driver to the W value. I would like it to loop, but since the W value is like a random seed, ...
0
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0answers
24 views

how to make an extruded block having the same texture

im a beginner in 3d modeling on blender and when i put a texture on an extruded model, it seems to have a glitch or line/moving texture and some of the extruded block(the same block on the model) ...

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