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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Cycles. Masking objects with shaders (no compositor)

Starting off I want to clear it out that it may be a duplicate question, but in fact it is not. 1. Here's my previous question Cycles. Masking shader. How to make objects disappear in plain sight. 2....
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Alpha masks with a solidify modifier - objects with no edge?

I am trying to use planes with a solidify modifier and a transparency mask to quickly test the look of different images for a lightbox I'm making. However Im having trouble getting the rim of the ...
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How can I get shader node values based on object angle?

I'm trying to automatically change a blackbody's value based on a sunlamp's directional angle. When the sunlamp shines horizontal, I would like to have a minimum value represented in the shader ...
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1answer
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How to create stylized cloud streaks like these using a particle system?

I have attached a sample picture from Matkovski Dragos' project "Illustrat3d Nature". I looked up for the workflow to create clouds like these, but I didn't have any luck with that. The only thing ...
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1answer
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Is there a way to make a node property value the default?

I'm making a Minecraft animation and the only way the render comes out with clean pixelated textures and not blurry textures is if I set the image interpolation in the shader node editor to Closest. ...
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File output Node not working

So for whatever reason the File output node doesn't work for me, doesn't matter if i do render image or render animation I've double checked that the output folder actually exists, but nothing happens....
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1answer
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Combining denoise node with other nodes in compositor?

I'm rendering a thing in cycles and I think I put the Intel denoise node in the wrong spot, because it won't mix with the rest of my nodes in the composite. I've been using Blender for a couple of ...
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2answers
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I am trying to make a background, but the sky emits a light and tints the rest of my scene. How do I prevent this?

I just want a solid color background. You don't need to actively say the answer, maybe just link me to a video with the answer.
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Is there a way to adjust Vibrance in the compositor?

There is of course a node that deals with saturation but I'm not finding anything for vibrance values like in Photoshop which I find a bit more useful. This would be a very helpful thing to include in ...
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Save just the Material part of a .blend file

Can you just save parts of a .blend file? And link them in later? thanks
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The output isn't updated by the changes in the compositing node tree with python script

I am new to blender scripting. I found that the changes in compositing node tree are not updated until the compositor nodes editor is shown on the window. I want to output the rendered RGB image and ...
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1answer
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how to use the color black on an alpha texture?

What do I when I have a model that I am painting on, the texture has an alpha layer, and I want to do something like paint the color black over some other color on that texture. when I do this of ...
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1answer
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I want to turn a 3D mesh into a height map and then use the height map to create a new 3D mesh with no undercuts

I basically have a 3D model of a man. I want to cut this out on a CNC machine, but the undercuts are proving to cause problems during the toolpathing and confusing the computer. I want to use ...
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Create graph using animation nodes

How to Create graph like this using animation nodes? It should be X,Y values animateable
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1answer
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Cannot see Texture and Shader option in Compositor

I am new to blender. I saw in the tutorials to add shader and texture but don't seem to find any such thing after pressing shift + a.
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Problems with compositing and Shading settings

There is a problem setting up the shadow of my CGI model that I want to add to the camera image on the compositing screen. I can’t intervene in the shadows. In the tutorial I watched (https://youtu.be/...
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2answers
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What is the 'Add' node and where is it? [duplicate]

I was watching a tutorial on making glass, and it included this node, however I wasn't able to find it anywhere, is it an add-on or am I just missing it?
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How can I make a glossy BDSF shader reflect the true color of an emission?

I have a red glossy shader on a car and a different object with a blue emission shader, the blue emission is reflecting off the glossy shader as yellow. How can I make the reflection the true color of ...
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How to add image processing to compositor workflows

I'm looking for a way to add image processing to the compositor in Blender 2.8 or later. I'd like to use either a python script or an external program to process images as part of a compositor ...
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How do I add a material on top of others?

I've got two materials on a mesh. How do I add a noise/musgrave/any texture on top of both? (I tried to do this individually on each, but I got some ugly seams.)
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1answer
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AG normal map to RGB normal map [duplicate]

I'm trying to convert ag normal maps (alpha is red channel, green is green channel, blue channel derived from a and g through some formula) to standard normal map (tangent space). Nvidia's Windows ...
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2answers
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Position multiple vertex to an exact location without changing shape of object

I have 3 equilateral triangles. The red triangle is the base and then at 90 degrees I have two green other triangles. View 1 and 2 shows this setup from two different angles. Below I have a kite ...
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Why can I not transform (scale) a texture?

For some reason, changing values in the "Mapping" Node, does not do anything whatsoever. the plane is unwrapped, I reloaded the texture several times, all that happens when changing values is the 3d ...
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Find out Сompositor node tree active output (Python)

Let's say for some reason I have 5 "Composite" nodes in Compositor. How can I find out through API which one of them is active render output? ...
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1answer
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No connectors on shader nodes

When I go into Shading and I load a new material it adds in the Principled BSDF and Material Output but they are not connected. When I try to connect the output to the input (left click on green dot) ...
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check if texture image node with designated image already exist

to bake multiple materials into one, I must add an texture image node with a designated image into each materaial of an object. ...
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Material acting differently on duplicated objects

I'm new to Blender and I'm having a problem with one of my materials. I'm making a simple succulent so I made one leaf, duplicated it and scaled/transformed it multiple times. I reset all transforms ...
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1answer
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Coordinate/attribute not working to mix textures through factor

I am still quite new to blender, I am trying to make a small mountain scene with different textures on the higher points of the mountain vs the lower ones. I am currently using a coordinate node with ...
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1answer
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2.8 Add multiple image texture nodes simultaneously

I stopped using Blender for a while right when 2.8 rolled out. Trying to get back into it, I'm noticing that it seems to have removed the "import multiple image textures" option in the shader editor, ...
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1answer
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Creation of realistic old wax

Tell me please what I must do with node of wax materials that I made. It looks very plastic and I cannot believe that this material is real. You can see what I do in nodes. I think what dust and ...
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3answers
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Is it possible to control a value in all of my materials with one click?

I have a few materials that are slightly different but all have an emission shader. Whenever I want to control the strength of all the emission shaders I have to go into each object's material one by ...
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Export shader nodes from Blender to Unreal Engine or Unity

I would like to know if there is any way to export the shader nodes I created in blender to Unity or Unreal engine. Thank you in advance
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Why do I get different Denoising Normal Information when exporting as HDR and EXR files?

At the moment I am rendering images and need to also export their albedo and normal information. When I export them as .hdr images I get following result: When rendered for EXR (or PNG) I get the ...
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Is it possible to add a custom “editor” as an add-on?

I would like to create an add-on to add a new type of node editor to blender. but before doing so, want to make sure I'm not diving into something that the current version simply doesn't allow. Is ...
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2answers
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Specify the length of an edge

I want to create an equilateral triangle. I added a plan and then merged the two points on one edge .. that seemed to work fine. The length of the bottom of the triangle is 2m and I'd like to set ...
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1answer
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Particle Info Node with several Particle systems

Let's say I have three particle systems in my scene. Is there a way of accessing the properties of each individual particle system using the Particle Info Node? Or can the Particle Info Node only be ...
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2answers
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why im getting this strip lines

How to get rid of this strip lines. Blend File Below are my nodes. How can i adjust and disappear those lines. uv mapping I tried to adjust the coloramp but did not work. Any suggestion. Thanks
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Mix rgb node logic

I have difficulties in understanding the logic of mix rgb node option “add”, “multiply”, and “Mix” under conditions of “fac” 0 and 1. Would someone explain with tables and examples. Thank you
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1answer
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More than 5 mix/principled shaders turns material pink in material preview but not in rendered preview? No missing textures

I'm doing a 3D map with a single material only using masks to change between terrain types, but once I add more than 5 mix/principled shaders the material turns pink, this issue just happens in the ...
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2answers
99 views

Control a ColorRamp node from outside a node group

I have a ColorRamp node inside of a node group and I would like to have a group input which controls the "Pos" value of the white colour, but there doesn't seem to be a good way to do it. Since I'm ...
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2answers
33 views

Texture on Each Side

I placed a simple bump wave texture on my model but on the side faces it stretch: this is the node setup: Someone know how may i fix this problem an make the texture uniform all around the model? ...
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1answer
26 views

What should I connect with the Emission notch in the Principle PSDF (Blender 2.8)

I'm trying to use an Emission map in the Shader Editor. I added a texture and connected it to the Emission node and then with the principle BSDF, but the red line appeared showing that there's ...
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1answer
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Locate the nodes in the shader editor

I move around in shader editor panel and become too far away from the nodes. I tried to go back to the nodes but can not find them. Any method or hot key to locate nodes in the shader editor “Black ...
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Material nodes don't show unless I duplicate object [duplicate]

https://www.dropbox.com/s/owo4yfxuyfdvwfa/BlenderHelp.mp4?dl=0 This is my situation. I troubleshooted for a long time and could find anything online, so I'd love help from you all. I'm really new so ...
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Material of an object (nodes) wont load unless I duplicate the object

Here is a screen recording showing the issue I have: https://www.dropbox.com/s/owo4yfxuyfdvwfa/BlenderHelp.mp4?dl=0 This is my situation. I troubleshot for a long time and could find anything online, ...
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1answer
25 views

Blender Cycles: uniform position-based colors?

I am trying to create an effect where I have several objects (say, cubes) which draw their color from an underlying texture. Imagine, for example, if I had a rectangular region consisting of side-by-...
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1answer
21 views

How do I delete a shader node (From Script)?

I am writing an addon and I need to delete an image texture node from the active material. I know that the python for deleting the node from the editor is ...
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1answer
20 views

How do you change what object the node editor is editing?

I'm a total noob to blender. I've tried to start using the node editor, but when I added the texture it went to the wrong object instead of the one I had selected when switching from object to edit ...
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1answer
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IES lights in Blender 2.82

Since Blender 2.8 there is the built-in feature to use IES-files for realistic lighting. In 2.80 you could just select a point light source, click on "Use Nodes" and add an IES-texture node in the ...
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1answer
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Is it possible to set the image of the image texture to be a camera in that scene?

long story short, I am trying to get a cartoony artstyle where the mouth is a 3d object being rendered by an orthographic camera to give it a 2d look, then put that image onto the finished model. it ...

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