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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How to search for files in Sequencer by format, through my Custom Node?

I am creating a Custom Node that handles Audio. I want to get the list of all Sound Strips (Files) that has been already added to the Video Sequencer. I want to create an Input that when you click ...
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55 views

How can i loop foam on the ocean modifier in blender 2.8

for a while I have been trying to make a seamlessly looping ocean modifier animation and as far as the geometry goes I have a perfect loop, however, I have not been able to seamlessly loop the ...
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How to exclude one object's reflection from another object? (Cycles)

How do I stop the green man from casting a reflection onto the motorcycle?
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Multiply to Combine XYZ vs Combine XYZ to Multiply

I was translating the object's origin by Vector Math node. Though I'm a bit confused of why feeding Multiply & Combine XYZ on a different order yields different results. I thought both vectors ...
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Multi textured graphics

I'm brand new to blender and am a bit dazzled by the node wrangler. I've been playing with texturing different parts of the mesh using downloaded textures etc. But when it comes to texturing the ...
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Looping over an objects indices while performing an operation / calculation using Animation Nodes - attached blend file

I'm having trouble looping over an objects (the cylinder) polygon indices while performing an operation / calculation on them. I created an animation in Octave, (and the calculations are correct I've ...
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2answers
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Is there a way to output two videos from rendering - one with compositing and one without?

So I have a scene with a fluid simulation and I want to know if the result is better with or without the vector blur node. Is there a way to render a video where blender first renders the image and ...
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85 views

Run function on material node tree update

I need to run a function when the user adds or removes a node from a material. My first idea was to use msgbus to subscribe to bpy.types.Nodes. This works great ...
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Normal map not showing up in render

I am following this tutorial about making an anvil, and I was first stuck on the normal map, but i was able to fix that. I had forgotten to UV unwrap my low poly mesh. But now i have another problem. ...
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How to texturize a circle mesh with a horizontal/vertical texture?

I'm using this node scheme (screenshot below) to create a brushed steel in my object, but I need this brush show horizontally on my object. As my object has a circle mesh, the texure is shown circled ...
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Compositing Render layers node two scenes two resolutions

The context : I have two scenes let's call them S1 and S2. S1 has a camera of a resolution of 1080*1080 (square). S2 has a camera of a resolution of 1080*1920 (vertical). I have created a composition ...
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Is there any way to use Cycles for 3D data visualization?

I have a CSV file containing coordinates for stars in a galaxy and I want to plot them through volumetric data inside a cube. I have tried the voxel data type in blender 2.79 with blender render (it ...
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Noise Texture does not work with my mesh

I'm new to Blender and following along with the Blender Guru's tutorial series for beginners, where you make a doughnut and coffee. I've been doing everything He does step by step. In Part 4 Level 2 ...
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1answer
109 views

Can we create an Action from a Dopesheet animation?

I have animated a number of Shader Node properties and the keyframes show up in the Dopesheet but not in the Actions editor. I have tried copying the keyframes from the Dopesheet but I can't paste ...
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29 views

How do I use shadows and lighting to project two seperate textures?

So I'm making a scene that uses two different textures, one for lit areas and one for dark areas. I was wondering how I could set up a node system in cycles to display lit areas with one texture, and ...
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1answer
232 views

How to create Coffee with Foam?

I wanted to create a coffee and foam on top. I used Blender Guru's donut tutorial. I saw how he made the coffee and foam, but I can't get things quite right. The coffee looks dark on the top but the ...
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58 views

Per-object custom properties in shaders

I need a number of shading properties that are unique per object, so I can control the strength of a couple of effects in the shader. The color property in the Object info node is a perfect example of ...
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57 views

How to get x, y, z texture coordinates in LuxCore?

I do a lot of math-based procedural texturing, and have been considering switching a few of my scenes to LuxCoreRender instead of Cycles since it seems to do a better job with reducing noise from ...
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92 views

Rendering tangent space normal maps in Cycles

Version: Blender 2.82a Issue: Create a composite node setup to render a tangent space normal map. Current setup: Node setup I have right now after lots of googling(still doesn't work correctly): ...
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Can't add keyframe to material displacement node

I usually go into timeline, select the frame, then into my material node editor, hover the parameter i want to keyframe and press i. This works for the first keyframe, but when I try to input a second ...
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54 views

How to apply noise to a diffuse/principled shader volume?

Basically, what I want to make is this but with a diffuse shader, rather than volume, the best I can do is this Any idea how to help?
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34 views

Node Wrangler: Lazy connect uses alpha instead of color

According to the keymap, the Node Wrangler addon uses ALT + RMB for lazy connect. But when i use this shortcut to connect diffuse textures to the Principled Shader, it unexpectedly connects the alpha ...
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2answers
265 views

Exporting animated materials to Unity

I'm using Blender 2.8.2 with the Evee renderer. I have a simple object, with an animated material. Is there a way to export the object for use in Unity with the animated material? I've tried the ...
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I added a material but it is a little bit distorted, why?

I also tried to add a Mapping node but nothing changed
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131 views

How to layer multiple procedural texture in blender 2.8

I'm currently trying to achieve a few overlay of texture for my project, but I'm still new to blender and just have a basic understanding of node trees. So, I followed a few tutorials and achieve ...
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1answer
122 views

How to Make Earth in Blender tutorial - How to implement the cloud shader properly?

Im following blender gurus How to Make Earth in Blender (Cycles) tutorial, and around the 16 minute mark, when he adds the clouds, mine still end up being opaque. I have followed his exact node setup, ...
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142 views

Drag and drop multiple images in Node Editor?

I can't drop multiple images in Node editor, it only create one node with the first image and others are ignored, any idea ?
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39 views

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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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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27 views

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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39 views

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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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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50 views

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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588 views

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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30 views

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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Why are some of my nodes different to nodes in tutorials I watch?

I watch tutorials for references from time to time and I noticed some of the nodes in my version Blender 2.81 are different from tutorials on Youtube. I don't see Voronoi texture has no Fac socket and ...
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1k views

Musgrave texture colour issue

Does anyone know why there is no colour option for the muskgrave texture?
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20 views

How to display a world texture as a spherical icon via Python?

I'm building some viewport display tools within a panel. I want to have a spherical icon display for the active world environment texture similar to the Material viewport HDR display. The material ...
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15 views

What's the “Alpha” option in the New Image Texture Node?

I'm wondering whether or not new Blender image nodes are baked with an alpha channel built into them by default. From this photo, it seems that's the case, but I'm not completely sure this is what I ...
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44 views

How to make a math function with equal sign in blender?

I was trying to make a circle . I tried to use this function (xx)+(yy)=a. Making (xx)+(yy) was easy but how i should go about making =a part in blender shader editor? (also it would be great if ...
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32 views

Custom shading nodes for point objects

I am scripting Blender 2.81 to model scenes for my own renderer, with custom material nodes, which are defined as (MyRendererNodes and ...
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32 views

Is there a way i could speed up my work?

I'm macbook pro 18 user and complete beginner. I thought my computer can handle Blender 2.82 but I couldn't even add materials on my project. On view mode eevee works fine but on cycles it just stop ...
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51 views

Looking for help streamlining an OSL node

So yesterday here on stack exchange, I stumbled across a solution to something I've been trying to figure out for a while now, a rough way of calculating volume depth: Distance from the surface as an ...
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1answer
98 views

Texture Mapping with a Circular Texture

I have a planet texture that I would like to map onto a UV sphere. The texture is a circular texture (I have attached it below). Currently, I've been using a node setup that works for mapping matcaps ...
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23 views

Node Editor is blank and Inactive, also in new instances

I have probably activated some setting in blender 2.8 that has turned nodes inactive and all options in node editor inactive. They worked fine before but not anymore. 'Use Nodes' is active and issue ...
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75 views

Convert world.light_settings to Blender 2.8 (bpy)

I'm trying to fix: ...
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0answers
33 views

Mask setup for rust

I have created a mask to seperat the surface of a mesh. This is to use some procedural textures to make rust. The problem i have with it is that the mask doesnt seperate the glossy and difuse so that ...
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1answer
27 views

Check if group input node was passed a value, optional default value

I am trying to creat a green screen filter. I would like to have the option of passing it a background image, but if no image was passed, then to just make the background transparent. How would I go ...
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254 views

problem when using multiple mixRGB nodes fed into base color of principled BSDF

I'm having a problem using the combined (mixed) outputs from multiple mix RGB nodes as an input to the base color of Principled BSDF shader. (Eevee/Cycles alike) When I route the color output from ...
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102 views

nylon watch strap material; how to model and node setup

im a beginner level at modelling in blender and have been working on making a wrist watch. This wristwatch in particular needs to have a nylon strap (or any similar fabric). I would really appreciate ...

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