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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24 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....
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1answer
26 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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Get Loc/Rot/Scale of object in material using Object 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 ...
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3answers
574 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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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?
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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 ...
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1answer
275 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
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1answer
459 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 ...
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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 ...
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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
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How can i make this rocket exhaust flicker? [closed]

My friend gave me this for my rocket but it doesnt flicker like the real raptor engine does. How can I make it flicker?
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2answers
88 views

How to convert HSV to RGB using shader nodes?

I am trying to implement the following function that converts HSV to RGB: ...
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3answers
209 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: ...
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1answer
51 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 ...
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1answer
27 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. ...
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Why My Blender Coffee foam does not look like Blender Guru? [closed]

Blender Guru Foam: https://imgur.com/a/kf9UY7S Mine: That's it
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0answers
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How to create a texture like Microsoft Advertisement? [closed]

I'm nithish working as a intern in a arch vis company. Where In a explainer video our client needs some textures to be like this https://youtu.be/tZrpoSUQCJ0. I tried various ways to create a texture ...
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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 ...
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0answers
14 views

Mix shader not connecting ColorRamp and Transparent BSDF together in 2.9

I'm following a lesson of what I think was made in ver. 2.8 and I'm currently using 2.9. As you can see in the image below (mine | lesson), in the lesson part the ColorRamp and Transparent BSDF are ...
4
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2answers
122 views

How to I change the Interpolation Type in the Map Range node like the documentation says?

According to the documentation, you should be able to change the Interpolation Type of a Map Range node. I am on 2.91.2 and don't see it. Is this a new feature that I don't yet have access to? ...
2
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1answer
32 views

Why doesn't a value node set to 1 evaluate to pure white in the shader editor? [duplicate]

I am starting to work with math nodes more often and came across something I don't understand fully. When you preview a value node that is set to a value of 1, the result is not pure white. If I crank ...
3
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1answer
55 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 ...
3
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1answer
72 views

blender 2.91.2 bevel node doesn't work properly

bevel node doesn't work properly in rendered mode with cycles, it darken the edges rather than soften it
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1answer
16 views

How to change Blender compositor node value beyond max value?

I am using glare node in the compositor to add streaks. However, the angle offset only goes from 0˚-180˚. This would normally be fine when there are 2+ streaks as the effect can be rotated for any ...
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1answer
16 views

Laser bolt glare problem in blender 2.9 [duplicate]

So I'm trying to build a laser bolt like in Star Wars, and I added a cylinder with an emission texture. The problem is, in Star Wars, the laser bolts have glare, so I added a glare node in the ...
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35 views

Blender transparent bsdf not fully transparent

I was trying to add a fire effect to the side of this car. I wanted just the fire to be showing and everything else transparent. I made the node setup. But for some reason, the transparent areas were ...
4
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2answers
238 views

How to connect value from custom properties to value of object's translate/rotation/scale

Sorry I'm new to Blender, came from Maya. Let's say I want to move object A via changing value from object B's custom properties, how can I do it in Blender? In Maya, there's something called ...
2
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1answer
64 views

I want to make a nasty wriggling worms procedural shader

I saw a tutorial to make a spaghetti shader in substance designer, and in that they used some default noise texture that they altered to look like noodles. I want to do something similar in blender, ...
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0answers
20 views

Blender 2.9 - are nodes mandatory for using image textures?

Back in the day, there were textures slots linked to materials it seems overkill to use a shader just to apply a simple unshaded image for instance why the option of not using nodes at all ? why a &...
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0answers
24 views

Using CFD temperature data to generate lighting

I have a VTK file that contains volumetric data on the temperature at different points on a flame. It has been obtained using a CFD simulation, with the file containing different values of temperature ...
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3answers
51 views

Why is this object reflective only in Blender?

I'm having some trouble with a material. While my project was created with an OpenGL normal map format, the export setting I used in Substance Painter was a DirectX-centric template. I've since made ...
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1answer
26 views

Can i use a png as a colorramp?

I kind of know how to change a models shading with a color ramp but most of the time I'm in a situation where I have to use a gradient that isn't in a gradient format like png or jpg. i have no way to ...
6
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1answer
52 views

Combining vector displacement and standard black and white displacement nodes

I am currently working on an ocean scene. The water uses a subdivided plane with waves that are displaced via the vector displacement node in the material. I would like to add another whirlpool effect ...
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1answer
16 views

How to use properly viewer node

I'm having my first approach with Nodes, I don't understand how to use the viewer node, on the manual it is said that shift +ctrl+LMB on the node and the viewer must appear, but nothing appends when I ...
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36 views

I can't get good displacement on my donut!

I'm a noob Blender user following BlenderGuru's donut series. I'm on the part where he does displacement, but it just doesn't look as good as his. Mine isn't horrible, but its definitely not good. ...
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1answer
27 views

How to make node disappear

It seems to make the value node disappear while connecting it to group input. I've tried different combinations and have node wrangler on but I'm not sure how to get it. I'm also unclear as to exactly ...
2
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1answer
30 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 ...
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0answers
17 views

How do I change background image's size in compositor? [duplicate]

How can I change background image's size in compositor? The following screenshots are showing my node setup and the current size of the background image.
4
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1answer
55 views

How do I displace/distort a texture map with another texture map?

I want to use a vector map in the node graph to displace/distort a 2d texture map, where X and Y values denote 2d direction and Z denotes strength. i.e. Suppose I have two noise texture maps from two ...
2
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0answers
24 views

More than four color mixes results in mesh turning pink (Eevee)

I have a group of texture colors and color mixes that mix them together into one shader. There is a value counter that changes which texture shows on the mesh (If value=0, then switches to texture#0. ...
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1answer
31 views

How to add 'desert dust' to object?

This is the effect I want to achieve using the node editor: This is what I've come up with so far: Node editor setup: I'm using Cycles render. Any help would be greatly appreciated! :)
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1answer
19 views

Color into Alpha - Nodes and Vertex Paint

As a way of easily blending materials together on a single object, and to allow me to do so on arbitrary parts of the model (without needing to segregate a specific part of the model's UV map or ...
2
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2answers
214 views

How to connect mix RGB with Noise Texture nodes

I got a set up of nodes which I'd like them to connect with the noise texture so my object can has the ability to have noise and also control the colorRamp.
1
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1answer
23 views

Placing Wave Texture In Center Of Geometry

I am a Node Noob and i was wondering how/if i could center this wave texture in the middle of my knob here. I did a knife project on the "pointer" so the UV of the top of the knob where i ...
1
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1answer
20 views

How to move greated texture?

How to move created gradient without customizing Texture Gradients from which created gradient created?
4
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1answer
43 views

How to share node value with another node to keep them sync

How should I setup a driver to keep two values same across blend file? Like ... World > Mapping node > Z Rotation value to Object > Mapping node > Z Rotation It would be handy in case ...
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0answers
31 views

How to put transparent images on to textures [duplicate]

I'm trying to put a PNG image on top of another texture on my cube, I'm following along this tutorial https://www.youtube.com/watch?v=vqhZIHpPmq8 but I'm getting a different result, my nodes are set ...
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0answers
19 views

Python: Node context missing [duplicate]

I'm new to scripting in Blender 2.91.0 and I'm trying to modify nodes via code. According to the API I should be able to access my current node selection via the Node Context. My material is using ...
2
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1answer
194 views

How can I make a peach material similar to this picture?

Do you have any idea how to make a peach material like in the picture? So that it is also a bit shiny and that it also becomes darker at the bottom just as in the picture.
9
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1answer
360 views

I'm lost in the shader editor

Everytime I hold scroll on my mouse to move, it like somehow teleports down and I have to scroll up again. THis time, it was WAY WORSE, as it went too far down and now I can't find my nodes

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