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.

Filter by
Sorted by
Tagged with
2
votes
0answers
27 views

Animate Individual Vertices w/ Geometry Nodes

Hey guys, First picture a cube animated to be moving in the y direction. As it moves, it passes over conveyor rollers. Each roller then begins rotating because of the contact forces. I am trying to ...
0
votes
1answer
37 views

is there a modifier that can smooth geometry but keep boundary vertices position unchanged

Is there an modifier that can smooth out vertices while preventing its boundary vertices from moving? What I am searching for is basically smooth modifier but with "Pin Boundaries" ...
1
vote
0answers
16 views

Use Instances Names to create custom render file names

I am trying to render many frames of a character with different accessories and characteristics, I would like to give each image the name of these characteristics which I am instancing with the ...
0
votes
0answers
17 views

Geometry nodes: Assign random material to instances on points

With the new Geometry node network (Blender 3.0.0 alpha downloaded today), how can I assign a material to a random selection of my instances? I only managed to assign two materials to a random ...
1
vote
0answers
26 views

Custom textures in new "Fields" Geo nodes

Does anyone know how to use custom image textures in the new Fields refactor of geometry nodes? There used to be a node called attribute sample texture, I cannot find the equivalent now. Thanks in ...
1
vote
1answer
44 views

Blender 3.0 did they change the geometry nodes structure?

I've been checking 3.0 alpha builds for a few months already and there appeared one major change in Geometry nodes: all the attribute nodes have gone (except two). I thought it might be just a ...
2
votes
0answers
31 views

Geometry Nodes: Is it possible to merge multiple curve segments?

I am using Geometry Nodes in Blender 3.0 to generate a bunch of curves and I would like to join them together - ideally converting them to a single curve object. The Join Geometry node allows me to ...
0
votes
2answers
34 views

subdivision surface is not working on geometry nodes

I've added a mesh subdivide to the cube, but it doesn't work. how to add a subdivision surface through geometry nodes?
0
votes
1answer
20 views

Translating a geometry node changes its color

I have a pretty simple geometry node based on a plane: What it does, it takes an hexagonal polygon as mesh, places it on a grid (yellow hexagons on the picture below - same color than source object), ...
2
votes
1answer
92 views

how to make this kind of rope [ with bristles ]

i want to make this kind of rope. any ideas how to do it , especially the bristles
0
votes
1answer
31 views

How do I randomly add points across geometry nodes

I was making a geometry node tree and I was wondering how I can use the point distribute an Icophere across my mesh?
1
vote
0answers
35 views

Blender 3.0 alpha: Geometry Nodes deprecated node alternatives [closed]

I am working through geometry node tutorials and am finding nodes in version 3.0a that have already been deprecated within 2 weeks of a tutorial being uploaded along with, of course, the other 'legacy'...
2
votes
2answers
217 views

Dashed link lines in node editor

While testing a change to an add-on that automatically creates node groups I noticed that the links in the group in the Geometry Node Editor window were dashed instead of solid. It seems to be related ...
1
vote
0answers
20 views

How can I rotate/displace instanced objects with normals from another object?

I want to make a wall of planks, where I can use a sphere's distance and normals to rotate the planks to the normals. Think of it as the sphere is "bending" the wall around it as a force ...
1
vote
1answer
53 views

Texture over geometry nodes array

I have a series of cubes generated by a "Point instance" geometry node over a simple grid. The texture is assigned to the source cube (on the right). How can I add some UV coordinates, so ...
1
vote
0answers
41 views

Geometry Nodes: Align rotation to vector with fields [closed]

The align rotation to vector node was removed in the 3.0 alpha and I was wondering what the math was behind this node to achieve the same result in Geometry Nodes with fields.
0
votes
0answers
29 views

Instantiates spheres on vertices with UV coordinates

I have a triangle mesh with uv coordinates and I would like to instantiate spheres on each of the nodes of the triangle mesh. This is easy to do with geometry nodes. The issue is that I want a ...
1
vote
0answers
37 views

Obtain position of point in geometry node

I have a mesh in which I have two vertices in a vertex group. I would like to create a line between those two points. For that, I have tried to add a Line node ...
0
votes
0answers
19 views

Generate a mesh given a vertex group from another mesh

Lets say I have a square meshed with a lot of triangles. I would like to generate a box following the position of a vertex group of the square mesh. This is my input, with the vertex group selected. ...
4
votes
1answer
61 views

Geometry nodes: How to distribute points on valleys only?

I want to add vegetation to my rocky semi-desert scene of Himalayan mountains, using geometry nodes. In that scenery, vegetation only grows in valleys, where water would sometimes flow. Note that by '...
0
votes
0answers
30 views

using random face corner attribute value for radomized color faces

Trying to use face corner attribute to randomize mesh face colors (grayscale at the moment). Seem not to work properly so far. Its weird that similar concept have done using python and bmesh, worked ...
0
votes
0answers
18 views

Colorize Point Instance from texture _ Geometry Nodes_ [duplicate]

I'm working on 3d carpets assets with Blender, i'm using Geometry Nodes for scattering the fur. I wish colorize the instances with the pixel color on my "emiter" shader difuse texture. We ...
5
votes
2answers
134 views

How to do a recursive Shrink/Fatten with Geometry Nodes?

I want to create an effect where a mesh is duplicated and then shrunken down by x amount, recursively y iterations. Something like this (for visual reference): I came pretty close by layering ...
2
votes
0answers
45 views

How to distribute points on valleys only? [duplicate]

I want to add vegetation to my rocky semi-desert scene of Himalayan mountains, using geometry nodes. In that scenery, vegetation only grows in valleys, where water would sometimes flow. Note that by ...
1
vote
0answers
53 views

creating a landfill

I would like to create a large landfill in blender but I'm not quite sure how to go about it. I would like to create something like this: I have this low poly trash I have downloaded that I would ...
0
votes
0answers
33 views

NodeTree save by python script [duplicate]

I found it is possible to import Node Groups by appending files, but I want to save these groups by python data or something else, not blender file. So is there any way to save NodeTree by python data ...
0
votes
0answers
11 views

Geometry Nodes fbx file import?

Hello! I'm using geometry nodes. In Shading nodes, there is "Image Texture"(picture) to import outside blender. So I just wonder is it possible to import fbx 'file' in Geometry Nodes.
1
vote
1answer
63 views

How to Make flower petals compressed INSIDE a Sphere

i want to make flower petals compressed INSIDE a Sphere. just like this image. i just want the petals inside , not the sphere part nor the upper part
0
votes
0answers
22 views

About getting vertex positions between two models by geometry node

I want to do the following. I want to acquire the vertex position information of two models A and B with the same structure at the geometry node, blend them, and then reflect the result in the model. ...
3
votes
1answer
86 views

Sinusoidal damping from distance object (Wave function - Geometry Nodes)

I am attempting to replicate blenders wave modifier using geometry nodes but have run into a hurdle trying to implement damping(fall off), due to a limited understanding of maths. I'm combining these ...
0
votes
1answer
48 views

I want to change between geometry nodes via script instead of the dropdown menu in the properties section

i added a Geometry Node Modifier via script to a grid i have, now i want to change this modifier from the default empty geo node to a geo modifier i already finished, which sits on an object in the ...
0
votes
1answer
18 views

Vector Rotate random on two axis (geometry nodes)

I'm learning a bit about geometry nodes, and they are great, but it's not always clear how to control them the way you want. So, in the scene I'm trying to align the human figures in front of the ...
0
votes
1answer
42 views

How to add color based on height of a single geometry nodes mesh

what can i do to get a effect like this https://www.youtube.com/watch?v=F1kBax6Z8s4 . i have made the animation in geometry nodes . how can i then affect the opacity of the single letters according to ...
1
vote
1answer
44 views

Geometry Nodes for Manipulating the shape of animal scales

I am currently working on a way to cover a model with scales in a modular way. Therefore I’m using a triangulated mesh, where every vertex gets replaced by a Scale. So far, everything works quite ...
0
votes
0answers
19 views

How can I apply individual softbody physics to geometry point instances

I have an animation of a DNA helix I'd like to produce, with leaves growing off of it. I've created instances of stalks on the DNA helix, but they copy the softbody modifier on the stalk object, ...
1
vote
0answers
20 views

Texture coordinate isn't working as desired when shading distributed plane with icospheres using geometry nodes

I'm trying to create an animation using a plane distributed with icospheres that is affected by another shape using the proximity attribute in geometry nodes. Now the problem is when I use a texture ...
1
vote
1answer
50 views

is there is a node, among geometry nodes, that outputs an object ( orange slot )?

I would like to make a grid of lines: how to transform lines into objects that I can plug into "Point instance" ? I have inspected all the nodes, there is no node, in the current release of ...
0
votes
0answers
54 views

why are Geometry Nodes results invisible to render?

I have made a geometry nodes Setup in 2.93 that turns this: into this : Un fortunatly, When I go to Render, I see this: I know the mesh is still There, though, because when I go to edit mode, the ...
2
votes
0answers
21 views

Is there a way to force blender dynamically calculate the (random values of) Geometry nodes for instances used in another geometry node modifier?

Currently just playing around to learn ins and outs of geometry nodes. I am trying to make a bush-like plant - that potentially could be used as a branch for a tree, and possibly the trees would be ...
0
votes
0answers
29 views

How to avoid linear chains while using geometry nodes?

I am following this tutorial to create a moving spiral hypnosis shape. In the video, he goes about doing it by chaining together everything linearly, something like the following: ...to get the ...
1
vote
0answers
20 views

How to copy object's name to that same object's Geometry Nodes modifier's object input with Python?

I'm following this tutorial and it requires some intense manual labor in the section where the video starts in the link. How can I copy object's name to that same object's Geometry Nodes modifier's ...
1
vote
1answer
57 views

Geometry nodes - Trim Curves with different values

I've created geometry containing of 3 overlapping circles (pic 1, pic2), and rotated each circle 120deg on Z axis (pic2). Then I've generated a mesh line of 2 points, and instanced my previously ...
0
votes
1answer
49 views

Can't find nodes in node editor

I'm new to blender so forgive me for the noob question. I created a new material, but can't find it in the node editor, I tried to follow instruction from other posts in this forum but haven't found a ...
0
votes
1answer
25 views

Geo Nodes: Align point instance to normal - tangent

I am attempting to replicate blenders particle system alignment using geo nodes. the issue I'm having is that I cant get the particles to stay upright, is it possible to align to something like normal ...
0
votes
0answers
23 views

Count of instances in Geometry Nodes

I am using Geometry Nodes in Blender, based on an input image, and scaled instances based on the image color. Is there a way to know how many instances are display (scale > 0) ?
0
votes
2answers
99 views

Geometry Node : Point Instance with normal

I'm using Blender 3.0.0 alpha. I want to copy object to line (point instance) with maintaining object's normal, but I can't find how to it. Someone said using Align Rotation to Vector, but it doesn't ...
0
votes
0answers
19 views

Access sculpt brush features with geometry nodes

Can you access sculpt brush features with geometry nodes? I would like to automate some sculpt processes with geometry nodes, is this sort of thing possible? For example i would like to control the ...
2
votes
3answers
61 views

How do I enter rotation values in radians?

I personally prefer to use radians instead of degrees whenever possible, is just more comfortable to me. Is there any way to set blenders UI in a way where I never have to use degrees ever again and ...
0
votes
0answers
28 views

How to project previously mapped textures onto geometry?

I'm currently working on a project where I've used instanced geometry of a plane on top of a base object to create a pinata-like look on the base object. I have already mapped the texture on the ...
0
votes
0answers
40 views

Using geometry nodes rotate a displacement texture around object

With the displacement modifier you cannot free rotate the displacement texture around an object it is limited to specific axis. I want to use geometry nodes to rotate my displacement textures around ...

1
2 3 4 5 6