Unanswered Questions
1,217 questions with no upvoted or accepted answers
12
votes
1
answer
5k
views
Creating custom node types for geometry nodes
is it possible to create custom nodes for the geometry node editor (NOT node groups, combining blender built-in nodes), define inputs and outputs and execute some python code in between? I couldn't ...
9
votes
0
answers
359
views
Scatter objects with different forms and sizes on flat surface without intersections
My goal is to make a node group that can distribute random objects over a given surface without (noticeable) intersections. I suppose the surface is flat, but it can be different forms (rectangle, ...
8
votes
1
answer
474
views
Sub-steps setting for Simulation Nodes
In the Blender 4.0 online reference, there is this mention in the Simulation Nodes section:
In the Node Editor the inputs can be renamed, shuffled and removed. This is also the place where sub-steps ...
7
votes
0
answers
1k
views
How to get access to Armature pose bones info from Geometry nodes?
I have an armature with several bones, each of them I would like to use to control transforms of other objects. Normally I would either directly parent objects to the bones or use constraints or ...
5
votes
1
answer
143
views
Gizmo for each point
I'm trying to add a gizmo for each of my vertices so I can edit a custom attribute for each vertex, as if I was using the "Set attribute" operator, but the for each zone seems to output just ...
5
votes
0
answers
95
views
GeoNodes: How to use captured positions from one set of points and offset individual mesh island positions using the captured positions
Link to the blend file (uses Blender 4.0):
My question is a little long, but hopefully with the screenshots it becomes clear what I am trying to achieve.
Here's what I have so far in my geometry ...
5
votes
1
answer
362
views
Geometry nodes: is there a way to create a centerline of a closed curve/mesh?
See above image for a reference. For this kind of closed curve I would like to create a centerline.
I have previously worked with an extension in Inkscape which creates a centerline but it is cutting ...
5
votes
2
answers
1k
views
How to instance a roof tiles?
Imagine that I have a mesh that represents a quite complicated roof. It consists of planar faces:
Is it possible to instance roof tiles like this using geometry nodes?
Here is the setup that I have ...
5
votes
0
answers
767
views
Is it possible to control the radius of the skin modifier with geometry nodes?
Is it possible to apply to an object (formed by only vertices) a skin modifier, and then control the radius of the modifier using geometry nodes?
This means that the object would have two modifiers, ...
4
votes
0
answers
88
views
Execute Geometry Nodes tool from Python
Let's say I have a simple geonodes tool:
How do I execute it from Python, specifying "X" (socket_2)?
I know I could add and apply a geonodes modifier, ...
4
votes
0
answers
101
views
Spiral Array with geometry nodes issue
I'm trying to spiral out some elements/bridges off a central column with geometry nodes.
This setup works for the most part but I get these two elements in a wrong position and rotation.
how can this ...
4
votes
0
answers
986
views
How can I create an outline around an object?
I want to use a geometry node to place a fixed number of instances on the outline of an object based on the camera's viewpoint. How can I place a fixed number of points on the outline of an object ...
4
votes
0
answers
339
views
Why is my "extrude mesh" offset scale uneven (Geometry nodes)
I'm trying to make levels for my game in a more procedural way and thought that geometry nodes would be the perfect way to start doing that, I'm trying to create some walls and an edge around this ...
4
votes
0
answers
1k
views
Offset and time-scale Armature animation in Geometry nodes instances
Is it possible to randomly offset and change speed of animated assets that are instanced on GN points?
I've found a tutorial on Youtube in which author duplicates assets and node groups each time to ...
4
votes
0
answers
271
views
Geometry nodes: calculate the cross sectional area of a moving object
I'm trying to model the drag force (Fd) on flying objects. I would like to make the model procedural, so in which I now choose to use points, on which I later can instance.
The drag force formula is:
...