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Questions tagged [node-editor]

Questions relating to Blenders node editor. The node editor is used for non-destructive texture and material editing; for geometry node editing and for post-processing/compositing.

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3 votes
1 answer
109 views

Can't get the wavy texture to be straight

I'm trying to make grooves on my jar lid, but the lines aren't staying straight. They're curving into an arch at the end. Can someone help me fix this? I've looked everywhere for answers.
0 votes
1 answer
760 views

What type of normal and specular map nodes is correct for these textures

I am creating a plugin to import some model files from a game to blender, with all the textures and materials created automatically. I am creating a principled bsdf node from python and assign ...
0 votes
1 answer
411 views

I'm having problem enabling Animation Nodes in blender 2.82

I dont know what to do. Im pretty sure you will get the idea what is wrong by seeing this picture. I'm new doing animation in blender so any help will be apprreciated...
2 votes
1 answer
436 views

How to change the active node tree data block using python?

I'm using animation nodes add-on. How can I switch between the node tree data blocks using python (as shown in the picture below)?
0 votes
0 answers
37 views

displacement node doesn't work

After tracking a movie clip, the tracking setup plane is used as the structure to create a crater. Issue one: the sim plane is visible in Material Preview mode but not in Render Preview mode. Issue ...
2 votes
1 answer
2k views

How to set specular intensity and hardness in Blender Internal nodes

I am learning how to build shaders out of nodes in Blender Internal and I am confused about setting specular intensity and hardness. Obviously I can just set set the intensity and hardness in the ...
7 votes
1 answer
349 views

What Do The New Geometry Nodes Pink Colored Rotation Sockets in 4.1 mean?

I was just working on a project and happened to notice that the input to the rotation for the Instance on Points in 4.1 is no longer a blue socket as it was previously. It is now purplish in color, ...
0 votes
0 answers
29 views

How to reverse simulation in geometry nodes?

I wanna make this bottle start like small rocks floating from the ground and then come together to reveal the bottle so I used geometry nodes for that I followed a tutorial on YouTube but I couldn't ...
1 vote
1 answer
38 views

Scene optimization on a material level?

How can I properly optimize a scene at a material level? For example. I have 2 different versions of the same rock texture in different resolutions, 1k for the background and 8k for the foreground. ...
0 votes
0 answers
23 views

How to stabilise the Curves info random value?

I am using the SouthernShotty's workflow and node tree to get hair that has different colour on individual hairs. He uses Random output of the Curves info node for this step, which works. However when ...
0 votes
1 answer
796 views

Mouse click released immediately on drag; can't drag nodes

I've recently switched to Linux Mint from Windows. Everything in Blender is running fine, except for the fact that I can't seem to hold down 'mouse drag' operations. I click, hold down the mouse ...
0 votes
2 answers
2k views

How to get location of origin of all objects in selection useing geometry nodes. 3.0

So what I am trying to do is displace an array of points based on location of another object. The nodes work well, when I "call" each object seperatly using "Object info node". But ...
0 votes
0 answers
41 views

how can i recreate this circular selection in blender [closed]

I am trying to recreate the expanding circular selection that engulfs the whole mesh. I'd be thankful if you would be so kind to give an overview of how to recreate the rest of the effect. Reference ...
1 vote
0 answers
14 views

Check if viewer node is on or off

Is it possible to check with python if a viewer node is on or off? So this: vs: I tried hide, active and ...
0 votes
1 answer
827 views

Geometry Nodes - How to rotate multiple instances?

I have created a geometry nodes setup which animates multiple objects along a spline, like a tank track. I want to duplicate and rotate this entire set of objects, for example having 4 sets of tank ...
1 vote
2 answers
533 views

Understanding Blender node editor

I have some basic experience with blender and can use node editor to achieve basic tasks like combining shaders, textures etc. The workflow of a node editor looks like a functional programming ...
0 votes
1 answer
27 views

Shader Editor Viewer error

I'm working in the Shader Editor. I have already inserted Node Wrangler in Edit > Preferences, Add-ons. I'm trying to add Viewer but I obtain an error: Cannot add node Viewer into node tree Shader ...
4 votes
1 answer
126 views

How to animate/increase scale of instances on points one by one, using geo nodes?

I'm trying to create kind of a neural network representation and need to make appear each of the spheres (which are instanced on each of the mesh nodes) one by one, so at frame 0 non on the spheres ...
6 votes
2 answers
4k views

Python Geometry Node Trees

I'm trying to make a script that assigns a custom Geometry Node Tree to a bezier curve. The node tree contains 3 custom node groups. I have created the groups with code but I can't assign them to the ...
6 votes
2 answers
3k views

How set Hex in RGB Node? (Python)

Currently looking at the blender API I haven't seen anything of all about the Hex input. This is frustrating me enough as it seems strange to me that there is no such input function (when Blender ...
2 votes
1 answer
38 views

Cant get rid of black borders!

I'm trying to create a scene using a model from a game but I can't get rid of these black borders and edges, it's like this for almost every other model I try. I tried connecting the alpha nodes ...
1 vote
1 answer
3k views

Animation Node: Bake to Keyframes (convert animation)

Followed a tutorial on Animation Nodes by Jacques Lucke on Youtube the other day and tried a very basic setup. This was my very first AN test.. As I would like to render it on a renderfarm, I have to ...
0 votes
0 answers
16 views

Adding multiple Image texture on both sides of plane

I am new to Blender and have to read a lot of thread to add multiple image texture on both sides of plane. I do this in editor nodes only and you can still edit UV for each image seperately. I want to ...
0 votes
0 answers
38 views

How can I use convolution matrix in Shader Node

I want to use a convolution matrix so that I can create a Gaussian Blur for the image without it having too much noise. I saw someone upload it to BlendSwap and also something else here on ...
3 votes
1 answer
1k views

How to make node group of an existing material into a new group? (in python)

This is what I would like: I'm looking for an alternative to bpy.ops.node.group_make() Because it seems like a bad approach. I simply want to group a new group ...
5 votes
1 answer
891 views

get this gradient style in blender

I'm trying to get this gradient style: My best result are with eevee with volumetric and gradient on a metaball, but i cannot figure out how to get the gradient fill the totally of the metaballs like ...
0 votes
1 answer
33 views

combining nodes

I made two different textures on my model (it's gonna be different kinds of freckles in different colours. But when I combine the nodes, one of the freckles is more visible than the other. Is there ...
0 votes
0 answers
40 views

Is there a (PDF) manual for geometry nodes?

I am looking for a manual of sorts. The Blender one only gives the name of the nodes, but not much info as to their functions or examples of their use. Tutorials are great, but very few explain the ...
0 votes
0 answers
24 views

Import Blender curve simulation into Maya

I made a simulation in Blender. My end result are moving curves. I would like to export them to Maya. I tried all the formats (.abc, .fbx, etc.) and each time I got nothing once I import them into ...
0 votes
3 answers
40 views

geometry nodes: translating curve object radius to cube position/translation

I am trying to detect the curvature radius of a closed bézier curve and translate those changes into moving a cube and its position. So, performing a mapping between the curve radius and the position/...
0 votes
0 answers
23 views

How to make GN group's input default value available for asset use?

I found that GN group input default values are not given when using the group as asset in another project. How should I solve this? Example: The follow is a simple GN group that scales mesh size. The ...
0 votes
1 answer
382 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....
0 votes
1 answer
19 views

How to copy shading maps but still be able to change materials?

I'm creating a little meat man, and I want to have his body use mostly the same shading maps as his head, but with a different texture for me to paint his splotches on for his body. When I copy the ...
0 votes
2 answers
453 views

Is there a way to export the Cryptomatte "pick" image entirely?

I'm using the cryptomatte node to export individual mattes for various items in my renders, but I'd like to also export the entire "pick" image to a new file just as it's visible in the node ...
0 votes
2 answers
1k views

Smoke is not appearing in the "render" viewport, version 2.82

I am in need of help. I was trying to complete a smoke tutorial, but I needed to update Blender. After I had updated to 2.82, I had put in all of the desired values into their designated slots. I ...
14 votes
4 answers
9k views

How to remove one of the group inputs

I'm using Blender 2.74 and trying to follow an online video tutorial on creating "sun" (presenter is using version 2.63). The problem I'm facing is that the presenter just selected a few nodes in the ...
7 votes
1 answer
269 views

How to display an image in my custom node

I have a custom node and I want it to be able to display an image. I know that the node has a parameter show_preview and if you enable it, no image appears.
1 vote
1 answer
42 views

Blender 4.1 AttributeError: 'ShaderNodeTree' object has no attribute 'output' [duplicate]

I am using Lucas Roedel's pixel art addon. (https://lucasroedel.gumroad.com/l/pixel_art) I am encountering a problem that says: AttributeError: 'ShaderNodeTree' object has no attribute 'output' Here ...
-1 votes
1 answer
27 views

Does adding too much node make rendering slower? [closed]

I added a lot of node on this one tutorial that I have been following and the render keeps on getting slower and slower. In the end, I have to restart the app because the render just wouldn't start.
0 votes
0 answers
15 views

Extracted Game Model - Many Mask Textures

[Reference Question] SMITE model materials nodes I am wondering about extracting SMITE models using Umodel. I am able to extract the models and apply the diffuse textures and some others that are ...
2 votes
1 answer
45 views

Create concentric scaled rings with individual noise translation to each instance

I am attempting to create the following outcome using a generated Curve Circle in geo nodes. What I want to do: Duplicate the Curve Circle a few times. Then scale them down concentrically Be able to ...
1 vote
1 answer
30 views

How to Synthesize Indirect Light and Shadow Transparent Channels?

I want to keep the shadow channel of transparent and indirect light, but I don't want to lose the color of indirect light. I have tried many methods and can't solve it, but I don't know how to deal ...
1 vote
2 answers
1k views

Non-color data (and other) option missing

In Image Texture node I don't have any other options but sRGB and Linear. How do I enable the Non-Color Data option in the dropdown menu? I followed the tutorial (https://www.youtube.com/watch?v=...
0 votes
1 answer
17 views

Random Scale of UV Spheres radius using "Instances on points" Origins are off!

I have a a whole bunch of spheres generated on a curve, I want to randomise the radius of the spheres as well as their positions in order to get a galaxy effect. The issue I am running into is that ...
0 votes
1 answer
16 views

When I click it splits the window

I was setting up materials, I bumped my mouse and now whenever I click on any space in any window it creates a line. If I let go it splits the window. Right clicking cancels it but its not letting me ...
0 votes
2 answers
30 views

Add Random seed slider to a node group to affect other input values randomly

I Hope someone can help me with that, can't find any solution fewwww I'm trying to integrate a random seed slider to my nodegroup! Basically I would love that slider to change randomly all the other ...
0 votes
1 answer
792 views

Why is the transparency on my particles not working once exported to Godot?

I am new to blender. I am using blender 2.8 version. Recently I created a grass setup with the help of a tutorial video. In which I applied transparency for outside of grass using node editor. It ...
0 votes
0 answers
24 views

Making a Cinemagraph in Blender 4

I'm completely new to Blender and I'd like to make a cinemagraph from a video in Blender 4.1. I've found a few tutorials (e.g. https://www.youtube.com/watch?v=1RY6ZPt42b8) but none for Blender 4. I've ...
6 votes
1 answer
2k views

How to crop image based on Alpha in Compositor?

I wonder if there is any way to crop a image based on alpha data like this: The reason I want to do this is that I want to crop the White area of another image (of the same dimension to the Alpha ...
3 votes
1 answer
63 views

Control specific UVs on a texture map (Reference Vertex Group in Material Nodes)?

I want to do something like setting up a driver on a bone's local rotation to control a UV island's translation on a texture map, I'm having trouble trying to use multiple drivers on multiple UV ...

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