Questions tagged [geometry-nodes]

Use this tag for questions regarding Geometry Nodes, added to Blender in version 2.92 as a new way to manipulate geometry in a Blender scene.

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Creating a half tone like pattern with cylinders using Geometry Nodes

I want to create a pattern consisting of different cylinders. I definitely could create them row by row, but I am also planing to animate them - getting bigger and smaller and so on. In the next step ...
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17 views

Can I turn on shadows from the geometry nodes in eevee?

I've spread some ojects on the surface, using the geometry nodes. The problem is that they are not casting shadows to the surface. Any way to fix it? I have two point lights in the scene (if it's ...
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1answer
24 views

How do I assign to a vertex group with geometry nodes?

I'm working in Blender 2.93 Alpha (more details if needed), and I'm looking for a way to apply a solidify modifier to only a specific vertex group. However, I can't figure out how to assign pieces of ...
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28 views

Can I find Geometry Nodes in Blender 2.91?

I am new to geometry nodes and don't know whether they're in Blender 2.91 or not. If not, can I add them into 2.91 somehow?
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1answer
47 views

Followed Blender Guru's Geometry Node tutorial (gumdrops), have some issues with how it looks

I followed the tutorial as closely as possible, have the exact same settings (according to my knowledge) but it does not look nearly as good. It's too transparent. Can someone tell me how to fix it? (...
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20 views

why are my cylinders stretched if i use this geometry setup

i have this very simple geometry nodes setup: result is: my cylinders are stretched. I would have expected that the cylinder form is the same, but the just got bigger distances. Why is that? blend ...
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1answer
22 views

Attribute name “vertex_normal” not found in 2.93.0 Alpha [closed]

This is a problem im having when trying to use the new Geometry Nodes, the program doesnt recognize vertex_normal as an attribute in my version of 2.93 but it does work on someone elses 2.93. IDK if ...
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1answer
19 views

My Image Texture is not Affecting Geometry Node Point Distribute

I made a simple, spotlight type of image texture but when I try to apply it to point distribute in geometry nodes it doesn't affect the distribution and everything is covered.
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38 views

Followed Blender Guru's geometry nodes tutorial. Why does my gumdrop look so different to his? [closed]

What the title says. I will now continue this until i have 30 characters written into this description
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1answer
22 views

How to use Vertex Groups to determine the distribution of an object in geometry nodes?

I am using the new Geometry Nodes to put chocolate chips on a cookie. I have weight painted the cookie shape to keep the chocolate chips on the top of the cookie. If the vertex group is named "...
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1answer
23 views

How to drive a node group in Geo Nodes Blender 2.9.3a?

I’m struggling with geometry nodes. I had a node group that generates a flower-like object based on parameters. Each copy of the node group generates a separate set of geometry which I can join to ...
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1answer
23 views

How can I call the individual parts of the position attribute vector (X, Y, and Z) as values in geometry nodes?

When working with geometry nodes, I know that Separate to XYZ can be used to separate vectors such as Object Info > Position Vector into its three individual components, but I'm unsure how to ...
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1answer
28 views

Geometry nodes attribute sample texture precision?

So i've been using the attribute sample texture node in blender 2.93. unfortunately it is very unprecise. in this image the red objects are scattered according to the texture while the white pattern ...
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1answer
26 views

How to remove shadows appearing inside material?

I've been following a tutorial on geometry nodes, which uses gumdrops and sugar for context. The geometry node set up for the gum drop is: For the material of the gum drop I used the following shader ...
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0answers
17 views

geometry nodes - subdivide specific edge

I want to create a nodes that automate the details of the buildings based on the distance of the empty and the object. I can get the object to scale its Z but just not sure how to subdivide / cut the ...
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13 views

Attribute Mix node not blending smoothly

I am using an attribute mix node to try and blend between two different textures using sample texture nodes. However, when I move the Mix float value between the two of them, the mix is not smooth. if ...
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1answer
50 views

Geometry Nodes: How can I make some instanced object disappear when they reach a Z-scale of zero?

I have a geometry nodes setup that adds instanced cylinders across a circular plane - I'm using a vertex proximity modifier (driving attribute "Displacement") and a sample texture node to ...
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24 views

Geometry Nodes Animation Bake

Is it possible to bake object and animation to datasmith somehow (or other animation related file? I have subdivided Plane with point distribute node and empty is controlling scale of objects ...
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1answer
61 views

How to distribute objects ONLY on vertex groups in geometry nodes?

Thought this would be easy but have been struggling so much with this. I have created vertex groups (indicated with red color) on a big terrain plane and now I'm trying to distribute objects only ...
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1answer
36 views

Can you use geometry node data to affect the material of instanced objects? (E.g. scale changes color)

Specifically, is there any way to change the color of the instanced cubes based on their scale attribute?
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23 views

Instance Objects on a Line Mesh or Spline

I want to create an antennae for a wasp that I could move around easily for animation. I want to use cone objects that are instanced on a line and are oriented to the next point. I thought about using ...
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1answer
90 views

Geometry Nodes - How to randomise rotation around just one axis

When using geometry nodes to distribute points across an object, and then instance those points with another object (i.e. the Point Distribute and ...
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1answer
95 views

Influence Geometry Node “Point Distribute” density based on distance to empty

I've been playing around with the new Geometry Nodes features in the 2.92 version of blender, using it to distribute objects on another mesh. The way I have it set up is that when an empty gets close, ...
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0answers
182 views

Is it possible to apply Geometry nodes?

I have used geometry nodes to scatter objects at the vertices of a plane. I'd now like to apply this so it becomes a mesh and then I can export it into other software. Is this possible in 2.92 or any ...
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40 views

Orientation in geometry node

I would like to orient all instances to follow the path of the main object. As you can see on my screenshot, first one is oriented as it should be...but after couple of curves, orientation messed up (...
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28 views

Using Materials with Geometry Node Modifier

Since experementing with the newest Verison of Blender (2.92.0) I work heavily with the Geometry Nodes. But the documentation is very low quality. I was able to model different objects and join them ...
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1answer
61 views

Attribute Randomize node is missing 'add'

i am following a tutorial and the node is missing the add option.
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1answer
66 views

How can I use local rotation on objects created with geometry nodes?

I have geometry nodes to spawn in objects all over my mesh. Currently they rotate with the mesh, so on a sphere they all point outwards, which I want. But I now want them to be rotated around their 7 ...
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44 views

Floating objects are not touching the surface

this scene is created with geometry nodes. I found something interesting. The instances are not touching the ground when the displacement value is increased. Why the rocks are not touching the surface?...
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1answer
48 views

What is “Factor” in Point Scale (Geo Nodes)?

If I want to use this node on the "Attribute" mode, how can I use it? what is it used for? I tried to play by typing some built-in attributes next to the Factor input. It changed the scale ...
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2answers
150 views

Geometry Nodes: “Attribute Randomize” - What are the Attribute Variables?

I am attempting to use geometry nodes to scatter stuff and I have a handle on the basics of the Point Distribute - Point Scale - Point Instance chain that allows for basic scattering. However, I am ...
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1answer
76 views

How to apply driver based on geometry-node-generated coordinates

I had an idea that I'm attempting to implement with Blender geometry nodes. Basically, a swarm of scarabs, which should open and close their wings when their z-height is close to a certain value. I've ...
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1answer
62 views

GeoNodes. Random Rotation from normals

Let's say I have a log and I need to place moss or lichen on it. I make a bunch of nodes as in the screenshot below. But how do I make this moss rotate along the conditional Z-axis, not global, but ...
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1answer
76 views

Geometry nodes - lock distributed position in animation

I have the following setup: A plane with an ocean modifier. A sphere scattered across this plane using geometry-nodes, with its Z coordinate aligned to the surface of the ocean. In other words, the ...
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1answer
101 views

geometry nodes finger pillow push alike effect

would it be possible with geometry nodes to make a shrinkwrap alike effect In such that farther away of the object the effect of impressing becomes increasingly less. In the simple analogy, I mean the ...
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1answer
60 views

Why is my Geometry Node Setup not working?

I´m currently trying to create a very simple effect using the new Geometry Nodes. This is my Node setup but it doesn´t work. The Mesh gets displayed by the collection but the effect I want to achieve ...
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1answer
92 views

How to use Geometry Nodes on vertices with rotation?

How would I distribute geometry following the rotation of the source mesh, but keep the distribution on the vertices (not random)?
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0answers
95 views

Geometry Nodes: Point Instance Collection use count (object weighting)

I'm trying to recreate the donut sprinkles tutorial (by Blender Guru) but instead of using a particle system for sprinkles on the top of a donut, I want to use the new geometry nodes system. When ...
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0answers
35 views

Detect Viewport vs Rendering in Geometry Nodes

I'm trying to scatter some grass on a terrain. With the particle system, you could set different density values for viewport vs rendering. I was wondering if there is a way to do the same in geometry ...
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1answer
112 views

Distribute Points on instanced geometry

I want to instance a leaf on my instanced stems. But it only shows the stems. Is the geometry output of the Point Instance node not treated as full normal geometry?
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1answer
54 views

Geometry nodes Controle point scale with z position

I want to distribute points on my mesh but scale them so they get smaller the higher they get. I think that we can do this by using a color ramp but I want to separate my position values and clamp the ...
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0answers
34 views

Could the new GeometryNode be able to create accurate Japanese style roof?

It's easy to create roof tiles in Blender with array modifier but to make them align like the Japanese curved roof is kind of hard. Using proportional editing could cause the shape of each roof tile ...
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1answer
212 views

how to use vertex group to instance an object in geometry node?

I'm trying to use vertex group to instance an object in geometry node, for example, a table with his legs. But don't work
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0answers
27 views

Geometry nodes modifier resets when applied

Trying out this nice idea (https://www.lushogames.com/post/simple-rocks-with-modifiers) When i apply the geometry node (to export FBX); the whole thing flattens out. What obvious thing am I missing ...
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1answer
600 views

Geometry Nodes align

How can I align a Cylinder with the normals of the surface? I want it to be aligned with the points on the surface as well.
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0answers
182 views

Geometry Nodes - Point Cloud from custom XYZ coordinates?

I'd like to create a point cloud using the Geometry Node Editor based on my own custom data. The data is stored in a .txt file, plain [x,y,z] coordinates and looks like this: ...
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1answer
68 views

Distribute object instances at every vertex

Can I distribute object instances at every vertex? I tried with the new geometry nodes but it only distirbutes randomly (see screenshot).
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1answer
89 views

How to transfer attributes from source mesh to distributed points?

Let's say I have a Vertex group, that controls a point distribution: Point scale disabled because it doesn't work as expected But if I want to scale points by this Vertex group, I can't do it, ...
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0answers
198 views

How to move points along their rotation in geometry nodes?

I would like to do something like this: randomly rotate points, place object instances, move points to new positions by a set amount BUT in the direction of current rotation, (and then repeat). But I ...
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41 views

'Join Geometry' node does not work with uv maps

I'm just playing around with the new geometry nodes and noticed that whenever I use 'Join Geometry' it kills the uv map. (No Uvmap present anymore after appliying the modifier.) If I use 'Boolean' on ...