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
397 views

Problem with the Specular Glossiness node and Metallic Roughness

Goodmorning everyone I write because I have a problem with the Specular Glossiness node: I do not know how to connect it to Metallic Roughnes. I'm creating a 3D file, to be exported to glTB 2.0 (glb)...
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2answers
183 views

Why are there thick edges in Voronoi 3D/4D?

I was playing with Voronoi and discovered that if I use 3D/4D, some of the edges are thicker than others. In my opinion, it looks unnatural and neither colorramp nor greater/less than can solve this ...
3
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1answer
95 views

Clip depth field of view in nodes

I am a beginner in Blender. This is what I do to save the depth: I can get the real Z in meter from the camera to the object. But how to simulate the field of view ...
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1answer
58 views

How to make a single user copy of a group of nodes in matrial on python in Blender?

I have a material on one object and I need to copy it to another object. I do ... material.copy () but the group node in the material copy does not become a single-user copy. How can this problem be ...
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0answers
16 views

How to get my node in the update function of a BoolProperty?

How to find the node referenced by the update function of this BoolProperty property? I usually use self.id_data for other types of PointerProperty, but in this case I get the node_tree this node is ...
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1answer
25 views

Blender Shader Node interpolation

I'm trying to color a cube with its own position in 3D space, which works well with the shader node setup I have, but only sets the colors for the vertices. However, I would like this to interpolate ...
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1answer
32 views

Why does the lighting do not work?

it worked before but I decided to turn up samples and turn on denoising and such because it had to much noise/ white pixels and then after that the render is so dark. Here is the blender file
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0answers
29 views

Where is the Chroma Key in Blender 2.92.0?

Using Blender 2.92.0 and I can only see the Keying Node in Compositing but not in Shading Nodes section. I watched a video of how to setup the chroma key green screen removal using Compositing and ...
2
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1answer
24 views

Voronoi texture have different options [duplicate]

I'm following this tutorial: Ducky 3D - Hard Surface landscape in Blender 2.8 But I have different options in Voronoi Texture node. How can i get this result?
5
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1answer
513 views

How to get old Mapping and Voronoi nodes into Blender 2.82?

I noticed that some nodes changed significantly with Blender 2.81 and 2.82. Now I can't follow older tutorials, because some have different options than me. Voronoi Node is totally different Mapping ...
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1answer
247 views

Is there some way I can update the viewer node during background rendering to output the correct results?

I'm rendering several images from one blender file and I would like to manipulate the pixels of the render output directly. I implemented the workaround from https://blender.stackexchange.com/a/71264/...
3
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1answer
51 views

Point Separate Node not working in 2.92 Release Candidate?

I'm trying to separate a point cloud into 2 different outputs using a geometry node and no matter what i try, the point separate mask isn't picking up the attribute, Geometry Output 1 is just showing ...
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2answers
78 views

how to get a mask that only contains the inside of a bowl

I am trying to texture a bowl (procedurally) and I want a part of a texture to only work on the inside walls of the bowl and vise versa I tried using the back facing option in the geometry node but ...
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1answer
158 views

How to create a new material and set it as active material using python script

How can I create a new material and set it active material on the active object using python script.
8
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1answer
471 views

What is this node usually called?

I'm trying to find the Color Factor node shown below. It's typically already added in there attached to the Principled BSDF by default, but from time to time I have no idea where to find the node once ...
2
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1answer
80 views

How can I edit two materials simultaneously?

Whenever I open a new shading window, whatever I do in one is just mirrored on the other. If I click a node in one window, the same node and material get selected in the other. I can't edit two ...
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1answer
67 views

Texture not applying correctly in Blender

So, I'm new to Blender and I started to mess around with nodes. And I tried importing a face texture to my head model and it imported it quite weirdly. Nodes: Face Texture: Blender View:
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3answers
615 views

How to avoid violating energy conservation when making shaders and node groups?

Recently a user on here offered a tip to be careful when making shaders so I don't violate energy conservation. Blender stores colors in the value range of 0-1. If you go above 1, then more light is ...
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0answers
23 views

This is a question about material replacement

If there is more than one material in object mode, is there any way to leave the material in the existing slot and change it to a material in another slot? I'm looking for something similar to the'...
1
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1answer
26 views

How to have the texture of a circle separated in bands each with a different factor (or color) in a shader? [duplicate]

I created a simple shader to subdivide a circle in a specified number of bands. Each bands has a number between 0 and 1 and the factor (color) for each band is (previous bands + 1/NumberOfBands); I ...
17
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4answers
19k views

Is it possible to get a random number in the node editor?

Is it possible to generate a random number for use in the node editor? I am aware of the Object Info node, but I want a random number which I have more control over. Ideally I could change it with ...
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2answers
28 views

How to hide the alpha of image planes? (Images as Particles)

I'm at the point where I need to add node materials to my leaf branches to make the colors diverse and react well to the lighting. However, whenever I add the mix shader nodes, the blank transparency ...
4
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1answer
47 views

Get Loc/Rot/Scale of object in material using Object Texture Coords?

Sometimes you want to get an object's Loc/Rot/Scale in the material for fancy vector stuff or controlling procedural textures. This is usually done by creating a bunch of Values driven by the ...
3
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1answer
199 views

How do I create a procedural mask for mountains texture?

I'm going to try to explain this as well as possible but feel free to ask any questions for clarification. I have mountains and plains (picture below) and I'm trying to create a procedural mask that ...
5
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2answers
6k views

How do you try different random seeds for noise texture node?

Using Blender 2.76 and cycles, I'm trying to color an object with the Noise Texture node, among others. The resulting object looks like this: I'm happy with the basic colors, but I'd like to try ...
3
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1answer
35 views

How to bake materials [With complex node setup] into Texture in blender 2.9?

I want to convert my snow material into texture and I followed the baking method but for some reason only the sides of the object are baked any kind of help or fix will be appreciated my node setup ...
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1answer
25 views

Delete nodes that does not contain mesh?

I'm pretty new on Blender and I have a problem. I imported a quite huge model hierarchy and some node contains no mesh. Is there a way to automaticaly delete all node that does not have mesh ? Thanks....
3
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2answers
287 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 ...
2
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1answer
130 views

Use texture + color ramp to set density vertex group for particle system

I created a landscape of diffuse shaders, e.g. for meadow and rock and combine them with a Noise Texture + ...
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0answers
19 views

Nothing is showing up on my compositing panel

I have the nodes turned on and have even added things to the space, anyone have any solutions?
2
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1answer
360 views

My material nodes aren't applying to the whole object

I can't seem to figure out why the sides of my object aren't being wrapped by my material. Here's a photo of my node setup, and the finished result. Does anyone have any ideas? Thanks.
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0answers
19 views

how to make a material that is slightly translucent emits light with some transparent elements [closed]

I have this object and there's a certain effect that I want from it. I want the whole object to be slightly translucent and to emit light In the red box I want it to be all the same transparency, but ...
4
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1answer
277 views

Looking for a more gentle Brightness/Contrast algorithm than the native node

I am trying to put together a brightness/contrast node group. I am aware of the one in Blender, but the algorithm is lacking in my opinion. Here's an example: Here's an adjustment made in Photoshop: ...
5
votes
1answer
468 views

Desaturate colors around lightsource

I'm still new to Blender and I just found out that lights have a nodes option and that there are many things you can do with them. I am working on a render but I have an issue with an area with ...
1
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1answer
283 views

How do I get specular and bump maps or normal maps to work with a texture that has a transparent background?

I am trying to build a polygon wig for a character. I want it to be realistic not low poly this is not for a game. I made a hair image and made the background transparent because I wanted to have an ...
1
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0answers
18 views

is it possible to have realtime semi detailed outlines and inner lines with nodes in 2.91?

I've decided to use the inverted hull method, but I was wondering is it possible to give abit more detail with some inner lines. I did come a node outline thing, but it's only for 2.9 and for some of ...
5
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2answers
90 views

How to convert HSV to RGB using shader nodes?

I am trying to implement the following function that converts HSV to RGB: ...
1
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0answers
29 views

How to make fake rope animations [duplicate]

Can you guys give me some advice on how to make animation like that? I want to create an animation very similar to this in the video. Rope Animation Example Thanks for any advice
1
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1answer
396 views

Node viewer window is missing when i go into 'shading'

I'm following a tutorial video on youtube and when the guy goes into the shader mode, his screen shows the main window, then below that a window in which the nodes that he's playing around with are ...
3
votes
3answers
212 views

Having trouble implementing a function in the node editor where the source uses if/else logic

I am creating a color saturation node group in blender as an exercise. This is the code I'm trying to implement: ...
3
votes
1answer
52 views

How to compare three (or n) values and output the minimum value using nodes

I want to compare three values (RGB) and then pass the minimum (or maximum) along the node chain. For instance an input of (100,50,255) would output 50. The math node only allows you to pass along one ...
2
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0answers
28 views

Is there a node-based implementation for saturation that works a little more like Photoshop?

I am asking this question because I am putting together a node group to adjust some basic color and contrast settings for texture maps. I really hate the way that Blender's Hue/Saturation node ...
2
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1answer
31 views

How to set up 2 different worlds nodes for render

I have two objects in my scene cube and plane, and I have set up 2 different worlds. is it possible to assign a world node which will influence the specific object in my scene, One world for the Cube ...
2
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1answer
404 views

Simulation Editor Blender 2.90

In the developer tools experimental features for blender 2.9, there is a box that says "New Particle System". When I check it, it allows me to access the "Simulation Editor", which ...
2
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1answer
28 views

How does the Mapping Node work?

I am wondering how the mapping node exactly works. The only thing I need to know, is what the individual Location, Rotation and Scale vectors, especially the Location vector, do to the input vector. ...
3
votes
1answer
60 views

How do I denoise an image sequence that has already been rendered?

I have completed Andrew's donut tutorial and I have a full set of 30 frames that makes up the image sequence. I opened another Blender tab (closing down the tutorial with saving) to compile the frames ...
0
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1answer
177 views

How to animate plane to sound falloff in animation nodes 2.1 (Blender 2.8)?

For Blender 2.8, i tried to recreate the sound falloff on a plane from the Animation nodes 2.0 Documentation: So far i came up with this, but it does not work, i can not figure out why: Can someone ...
35
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1answer
23k views

what can you call from the attribute node?

I know you can call density or flame for example from the attribute node. I was wondering what else you can write in the name slot. And maybe a bit of explanation of the attribute node. thanks in ...

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