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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Creating a flat lighting Shader in the style of Alphonse Mucha

I'm attempting to create a character shader that mimics the artistic style of Alphonse Mucha. The style consists of the skin having a singular base color that's then shaded from the brightest edge to ...
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Is it possible to bake a transparent glass texture

If you wanted to bake a transparent glass or plastic texture for a client, how would you go about doing that? What kind of texture map (glossy, roughness, transmission) would you use?
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Change node editor link's color through python script

For the project I'm working at the moment it would be very useful for me to highlight some of the links in the node editor (for links I mean edges between nodes) by changing their color with a custom ...
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how to connect add shader node to principled shader node? [closed]

I got a problem while I was connecting the nodes. I want to join add shader to principled shader (base). so how can I connect it and with which node?
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How do I copy a node group to a new material with python, and have it centred?

I'm upgrading my procedural addon with the ability to add individual procedural groups into other materials. I've figured out how to make buttons on the side menu that do it, but it's less than ideal. ...
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How do I go about making individual parts of a material more shiny without making the whole material as a whole more shiney?

So I am practicing with materials and I was curious if there is a way to make it so that these individual colored specs are more metallic and/or shiny without making the material as a whole more shiny?...
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using nodes to replicate gimp's grain extract mode

I am not getting the same results as Gimp. I checked out Github and the formula for the Blend Mode is [blendModeKeys.GRAIN_EXTRACT]: (i, m) => ( i - m + 0.5 ) I used MixRGB Nodes and got results ...
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how would you go about to recreate this edge texture? (sawed off wooden edge)

I have not been using blender for quite a while and tried to recreate this texture with displacement maps, but have not gotten that far. How would you proceed? I have tried weight painting and using ...
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Image in compositing showing and then disappearing

I've been following BlenderGuru's Donut video tutorials for Blender 3. I'm up to the Compositing chapter, however I'm stuck at the very beginning, because the compositing backdrop isn't showing: ...
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Is it possible to remap the pan function in node editors? Middle Mouse -> Right Click

I didn't see this in the keymap. I'm thinking it's hardcoded and haven't found an addon that'll do it either. I use a few other applications that all use right click to pan the node graph so I'd like ...
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why does a noise texture multiplied by 1 turn black and white?

I am trying to follow a Tutorial about distortion. I don't understand why a math node (multiply) turns a noise texture, which gives me RGB values, into black and white ones. From my understanding, ...
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How to project a grid onto a circle/torus using geometry nodes?

Using this geometry nodes graph, I've created a grid of a simple "tile" mesh. I want to project this grid onto (or restrict this grid to) the surface of another mesh (the parent of these ...
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Adding a texture to downloaded assets

I've recently got into Blender so texturing etc is still a bit new to me and I apologise if this question is silly. I downloaded some royalty free FBX models from CGtrader and downloaded the mapping/...
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How to create independent instances of shader node groups?

I'm using Armzep's beautiful "Smartedges" shader node. It's working great! I want to create separate instances of Smartedges for different materials used in the same Blender file with ...
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3 votes
3 answers
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How can I use nodes to automatically resize render output independently of render resolution?

I'm making render similar to PS1 games from the 90s. An important part of that look is the low render resolution. Right now, I render a PNG near the PS1's maximum native output of 640x270 then scale ...
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The Screen/Mix Compositing nodes cant fully mix two image sequences/videos together

There is the real time video and an image sequence of an animated lightsaber. They are connected through a Screen node to the composite and viewer nodes. The original image sequence of the animated ...
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Confused by Value to String node

Why do I get a red line from the Separate XYZ node to the Value to String node? I'm trying to break the vector down into it's component parts, and examine the X component. At least, that's what I'm ...
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Viewer node does not pop up in Blender 3.0

I am close to nervous breakdown. I have tried everything but the viewer node does not show up. I have rendered the image. I have enabled the node Wranger add-on. When I click Shift+Ctrl+LMB the ...
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Spiral Curves constant Offset keep level in Geometry Nodes [duplicate]

I was using the answer in this tutorial Geometry nodes curve constant offset on a curve spiral (The intention was to use it as a part of a spiral staircase project) However the results were not quite ...
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How to store node graphs in git [duplicate]

I want to work on node graphs in blender together with other people. I need to have some mechanism of resolving conflicts. Ideally I would like to somehow store those graphs as code in a text file. Is ...
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Why are shader nodes not showing up?

I applied a texture on this object but later when I checked to see the Shader Editor, the nodes were gone. I downloaded a material file from ambientcg.com and plugged it into the Principled BDSF with ...
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(Advanced Issue) Any way I can recreate this game's 3D texture effect?

I'm trying to recreate this 3d effect, but I'm not sure how they did it, and I was hoping I can find something here. It even follows the animation it does. To me it looks like it was either duplicated ...
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4 votes
1 answer
216 views

How to change the index of an object inside of a collection

I'm using Geometry nodes to create a voxel like terrain, I have different model for each terrain type (grass, rock...) inside a collection. I also have a setup so that I can change between them ...
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Help me Understand What is Happening with my Transparency?

I need help understanding what is happening with my transparency of the object in these photos, below Following this tutorial (https://www.youtube.com/watch?v=z2cFVVotcs8), I'm trying to make a wood ...
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Dragging new link to an already linked node input doesn't delete the existing link: it switches it to the next input instead. How to avoid that?

Blender seems to have this default behavior when editing node trees: If I have a node with an input that is already receiving a link, and I drag another link to that input, the existing link isn't ...
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geometry node-adjust radius of cylinder to scale with a cube for halfpipe

This is difficult to explain, likely to do with the way i went about my project and im not very good with math. I created a procedural halpipe skate ramp with geometry nodes. I used a cylinder to ...
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How can I make the slider of a node snap from 0 to 1?

So I wanna make this node group with the factor as a control. But that's not the issue, when the factor is a control it is a range from 0 to 1 (the default). I want it to snap instead of sliding. ...
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How to change the internal links of a muted node?

i need this node to not destroy my nodetree when muted.. am i missing something? It seems that python give us no possibilities too, node.internal_links has no ...
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Instance on every 10th node of curve

I try to put an instance on every 10th (8th, 6th etc.) point (vertex) of the curve. My nodes are But this doesn't work. I have the instances on every point of the curve. Their number does not depend ...
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2 votes
2 answers
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How can I save a node group for later use without going through a blend file?

I saw Blender Guru giving downloads to these node groups that you could directly append into blender without having to go through a .blend file. How can I do that with my own node groups?
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Normal map to height (black and white)

How to convert normal maps (the colorful ones) into black and white maps (height) with some nodes to use them later?
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Wave Texture: How to Take Out Color

I'm giving my selected mesh some distortion and a ruffled look by using the Wave Texture with the Bump vector. It worked, but now my mesh is two different colors, which is not what I wanted. I need it ...
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No texture after baking process with mixed rgb

I have an image texture that's connected to a mixed RGB(Multiply mode) and then a bsdf And after the bake I only got the color and no textures, When I removed the mixed RGB it works again, Do I have ...
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Geometry node editor: search and select all nodes with a certain name or type

Is there a way to search and select all nodes with a certain name within the GN node editor? I asked about this in blender chat in the past, but no one came up with an immediate solution. However, I ...
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1 vote
1 answer
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3.3 Goe nodes, hair curves. how to make the thickness have a tapered tip

Im seeing allot of posts with the new Hair curve, for creating hair. I found how to make thickness with geometry nodes but, I don't know how to add a profile to make the tip pointy, tapered. Does ...
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2 votes
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Why do only either 2 of 3 trees or 1 tree show material?

I'm new to Blender. I tried to add materials to all 3 trees but it's only either two trees or the other one tree that shows a material. I added some nodes to all of them but only 2 trees show ...
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2 votes
1 answer
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is this shader node arrangement valid? (works, but possible circular dependency)

I'm dealing with a Nodegroup that receives the output of several Texture Map nodes. One of those nodes needs to receive the result of some calculations as vector mapping data. I could have such ...
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What is this map and how can i use it

I"m using a ripped model and there is this map called FXM. all the wiki says is These are utilized for special shader effects. Their uses vary instance to instance. These commonly end with Fxm ...
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Viewport, node editor, explorer and rendering completely non-functional

Video recording of the issue with sound I've been dealing with this issue for quite a while now. Essentially, my Blender's viewport, node editor, and explorer do not function at all. No direct input ...
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tearing in object using displacement map

im working on an object that has displacement. it has 4 sides that will be seen. the 2 long sides and the 2 short sides. the long sides have materials separate from the short sides although they are ...
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How to make object particles (hair) copy the color of parent object?

So I have a bunch of grass (particles) that I want to have a gradient that then multiplies into the base color (the base color is a texture image) which I did figure out but I cant make the base color ...
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How to UV map this image onto chrome material

I have already a chrome material applied to my object. And then I make the same material for the front of the object, and I want to UV this PNG image, but I don't know how to set up the NODE for it to ...
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How do I utilize a node built for a 2d plane onto an object?

I made a node group that allows me to change colors of each quadrant of a plane. There are four sections, and each section can have its own color and emissive property. But now I want to apply this to ...
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Blender Geometry Nodes - How do I maintain Alpha from Instanced Mesh while Applying Source Material?

I'm currently trying to achieve an effect that's similar to paint strokes on a source mesh. Basically I'd instance a basic plane across some geometry, and then have the plane (with an image of a ...
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1 vote
1 answer
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How to make a gradient in the x axis with hair particles?

I want to make make the gradient from top to bottom of the grass but instead it looks like this: This is my node settings this is a painted version of what i want to achieve
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Shear tool in Geometry Nodes?

Is it possible to do a geometry operation similar to the "Shear" tool in Geometry Nodes? Thank you!
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Texture Painting Help

I do have a basic scene (demonstration) Texture painted sphere (red color based and white plus (+) on it. The thing i want to achieve is keep that white part (kinda lock it) and change that red part ...
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How do I use the Combine XYZ node with a quadratic curve bezier node?

I'm trying to randomize the control points of a quadratic bezier node. However, when I try to combine xyz with the random value node, I get this mysterious red dashed line: How can I randomize the ...
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3 votes
2 answers
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How do I make the stars blink?

I am having some trouble making my stars blink. I am new to blender... But not new to art and 3D. I made this night sky scene in Blender 3.2.0. I have uploaded some pics on the scene and the node ...
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1 vote
1 answer
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Want to blur my Image output without using Vectors (Shader Nodes)

I just want to blur my Image without using Vectors in Shader Editor because my Vector input slot is already occupied. The result in the Viewport is the one which I want to be blurred. But, as I said ...
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