Questions tagged [custom-attributes]
The custom-attributes tag has no usage guidance.
91
questions
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Take position values geometry nodes and apply them on an object outside of geometry nodes
I am trying to figure out how to take values that I have exposed in the group output in geometry nodes/stored as named attributes and take these values and use them elsewhere in a different object as ...
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19
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After the Version. 4.2 of Blender my capture attribute node seems to be broken? [duplicate]
Is it me or the node seem to be changed. I checked the setting in the panel but it was not working? Any solution?
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20
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Having difficulty with capturing the location of a geometry in geometry nodes in order to have it delete points in proximity
This setup perfectly removes geometry in proximity to the empty, which is an external object I've brought into the node tree with the object info
Now I wish to be able to do this removal but using the ...
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12
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How to mark the junction of two objects?
I need to use a geonode to mark the area of mutual influence of the shader of one object on another when they intersect. I tried ambient occlusion and was not happy with the result. Raycast works ...
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1
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24
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marking verts with custom attribute
Is it possible to select a bunch of edges and assign a custom attribute to the verts that those edges include, and then export that data in a GLTF?
I am aware that geometry nodes supports custom ...
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33
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How to set max scale on instances based on scale of other instances
Good morning/afternoon/evening/etc Blender Family
Forgive me if my question is not immediately clear.
In short, I am trying to use geometry nodes to create a system where the Z Scale of instances on a ...
0
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1
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25
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How do i delete the blue-green color on meshes? its not the material, i went in the solid tab and changed the thing to attributes
It's this color that seems to make me uncomfortable. However i cannot change it.
It is not Material by the way.
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35
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Geometry Proximity - Permanent vertex attribute value switch ("Permanent/Temporary proximity trail")
Objective:
Toggle/Trigger attribute value permanently/temporarily, even after controller object left the proximity area.
Examples:
Controller objects leaving fading trail in material color
Controller ...
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41
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How to Export JSON from Blender with Split Normals using Geometry Nodes
I am trying to export a JSON file from Blender and need split normals as data on vertices. I have exported a custom attribute named "norm" using geometry nodes. However, I am struggling to ...
1
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1
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53
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How do I do instance coloring with nodes in Blender 4.1?
For the life of me, I am unable to get instances of different colors using geometry and shader nodes. From what I've seen of other answers on here, there are two ways to get information from the ...
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1
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60
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Using Curve ID to drive Random Value Node for Instances
I've instanced a Curve Circle at the end of two splines, which are part of the same geometry. I'd like to assign a random number between 0 to 5 to the Resample Curve count, before it's instanced at ...
2
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2
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83
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Why `foreach_set()` don't work?
How do I write an integer attribute for each vertex?
For some reason this code doesn't work:
...
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29
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Encoding List Values for Custom Geometry Node Attributes: Seeking Solutions and Insights
For a personal project, I'm seeking guidance on transferring values stored in a list to a custom attribute within geometry nodes. I've encountered a challenge due to the limitations of BMesh, which ...
0
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1
answer
87
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Transfer (float) vertex-attribute to vertex-weight, to allow GeoNodes to control subsequent Armature binding
In Blender 4.1 or higher, I want to write a custom modifier, which transfers values from a vertex attribute (on geometry generated by geonodes) to a vertex group (usable with other modifiers).
This is ...
0
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1
answer
98
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Custom Attribute Transfer from Mesh (Edge domain) to Curve domain in Blender (4.1) Geo Nodes
I have a mesh object without faces, that is transformed into a curve in geo nodes. The edges of the mesh have custom attribute assigned (let's say integer value). After transforming to curve, the ...
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1
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30
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"Sound Info" geometry attribute to shader
I have a Sound Info geometry node and I want to take the (beat or loudness) value and plug into a Noise texture node (in the Shader tab).
using the artribute shader node, how do I set this up?
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90
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How can I access and modify a boolean attribute in edit mode?
Re Manually setting custom attributes per edge / vertex / etc
TLDR : In edit mode, the regular interface to access and edit attributes, ...
1
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1
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45
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why is my color picker value slider giving me odd values? custom color property in custom node
I am trying to create a custom node using Blender's built in example script.
I've added a FloatVectorProperty with subtype='COLOR' as a custom property to my custom node. But, when I register the ...
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27
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Animating custom attributes with python
I'm looking for a way to animate custom Blender attributes. Let's say we have an attribute created using the solution from this post: Manually setting custom attributes per edge / vertex / etc
...
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29
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Is there a faster way to duplicate attributes than using Geometry Nodes?
In the Data tab of the Properties panel, you can go to the Color Attributes drop-down menu, click on the context menu and duplicate Color Attributes. Is there anything similar for other Attributes? I ...
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30
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How can I convert a color attribute to a mask for sculpting?
Left: Generated Mask after Mask by Color Tool ; Right: Original Color Attribute
Is there a way to convert a color attribute to a sculpting mask? I tried using the Mask by Color tool, but it loses ...
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31
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"attribute is read-only" error when trying to set a PointerProperty of a Shader Node
I'm working on a addon that makes use of custom node groups that has a Pointer property that holds a specific custom class type.
like that:
...
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59
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What settings should I use to replicate this "lava" effect using flip fluids?
https://www.youtube.com/shorts/p3OhspLdgdU
I want to replicate the emission strength fading according to speed like in the video. Additionally, I am trying to figure out how to go about having the ...
0
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1
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52
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Capture Top and Side Boolean from former Extrusion to new Geometry (Geometry Nodes)
I am trying to create some lichen like, differential growth style animation, where the open edges of a mesh extrude outwards and "subdivide" (by extruding individually and scaling the ...
0
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1
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135
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Use custom properties in Blender (4.0.2) material preview?
I have a material I made that uses some custom properties from the object: a color and a float. The color and float are used in some computations to make the Base Color for the Principled BSDF.
When I ...
6
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2
answers
484
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Is there a limit for how many Stored Named Attributes you can have in a geometry node or receive in a material?
I've been using Stored Named Attributes on this geo node to pass the values to the shader editor - and I've noticed some attributes on the shader have stopped receiving info -, and when I tried "...
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1
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45
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How can I call the values from an group output attribute?
I am trying to call the values from an attribute defined in the Group Output for the use in a python script.
To illustrate the problem I have made a simple GN-model (2 Mesh Lines with unique integer ...
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19
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How to color or overlay on vertices via the Python api? [duplicate]
For a plugin I am making, I need to highlight the vertices that the user hovers over. I could not work out this color assignment part yet. I have tried methods then found out they were obsolete. I ...
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109
views
Store Named Attribute Value is turned to zero?
I´m trying to get to attributes from two different points to another mesh. If I´m doing this the attributes (which aren´t zero) are turned to zero. How can I use this value for another node tree?
1
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2
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291
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How to Set Selected Edge Bevel Weight in Blender 4.0
I have code that sets the bevel weight of selected edges in an object like this in Blender 3.3 LTS:
...
1
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1
answer
95
views
Transform specific vertices of primitive mesh/extra object using geometry nodes?
I just started learning geometry nodes, and I have a question about manipulating specific vertices for meshes other than the original object that the geometry nodes modifier has been applied to.
Here'...
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24
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3Dmax "user defined properties" similar in Blender
Is there a way in add 'User Defined Properties' in Blender like in 3DMax
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222
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Read atributes from an alembic?
I'm trying to export geometry from Houdini to Blender, as far as I know alembic is the way to go.
But, even tho I have multiple attributes in Houdini, I only receive in Blender the color attribute (Cd)...
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15
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How to provide the instanced objects with a value field? [duplicate]
The specific problem I'm facing is that I have a node group (called petals array) that is instanced on a point cloud. Each point in the cloud has an anonymous attribute (say growth) which is captured ...
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52
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Per Object Attribute not updating instantly
I am using this code, based on a previous question:
https://blender.stackexchange.com/a/302335/171509
...
2
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1
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195
views
Link geometry node sockets in python
I'm trying to link the values of a Named Attribute node to the scale vector of the Instance on Points node in Python but I couldnt find a way to do this anywhere...
I want to do something like this:
...
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114
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I want to use the color of one volume to color a mesh
Is there a way to use the color of a volume object to shade it?
I haven't found anything online or when checking shaders and geo-nodes.
Does anyone have an idea to solve this? I didn't understand on ...
2
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1
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557
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How to delete all attributes for multiple selected objects in Blender 3.6 using Python?
I'm trying to write a script that would delete all custom attributes for multiple selected objects except the 'backed' ones such as position. With some Chat-GPT help I ended up with this code
But the ...
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1
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2k
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Geometry nodes how to capture the position of a point and use this position in a seperate node set up
This is a simplified version of what I'm after.
I have two "distribute points on faces" nodes, one instances the Cones and the other instances the Torus. (There is a node group that limits ...
1
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1
answer
1k
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How can I assign material colors to a color attribute?
For the record I'm asking this question because it was brought up by a member recently and deleted under my eyes while I was clicking on the submit answer button, but I think it was a worthy question ...
4
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2
answers
313
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Copying position of points based on matching attributes
I have two sets of points. The first has defined positions, and an ID number attribute. The second set is a subset of the first's ID numbers, but doesn't have any position values. What I'm hoping for ...
3
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1
answer
242
views
How can I replace circle objects with a sphere of same radius?
How to replace objects (circles) with a spheres, taking into account the radii of circles
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1
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93
views
Copy a float exactly in an object attribute
I'm looking for a way to copy exactly the value of a float into the attribute of a Blender object, but I see a loss of precision on the last 5 digits.
For example I want to copy -0.18958371707600324 ...
3
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1
answer
1k
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How to convert UVMap attribute to UV map in blender 3.6
UV's generated using Geometry Nodes are stored as attributes, not as UV's, meaning they are not exported and cannot be edited in the UV editor.
In Blender 3.1 there was an operator to convert ...
3
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1
answer
73
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Material not updating when param in Attribute node is changed via Python
I have a Material node, it contains the default BSDF Shader whose color is fed via an Attribute Node.
The Type is Object, and Attribute Node's Name is custom_color.
...
2
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1
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38
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Is there any decent way to bulk change a material Parameter?
I'm have imported a model of AnorLondo from Darksouls to Use as a lighting study. I have run into the problem of all the materials having a value of 1 for specularity. I have tried using the copy to ...
2
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0
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62
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Default alpha value from attribute node
I was trying to use the alpha channel as an "exist" factor for a color attribute inside the shader editor and I discovered that the default value for this channel (as default I mean the ...
2
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1
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283
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How can I give custom index to duplicates inside a simulation zone?
I'm trying to create a simulation for cell division. The idea is pretty simple.
Get one point
Duplicate the point inside a simulation using the duplicate node
Instance a "cell"
Move only ...
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44
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Geometry Nodes: Recreate objects from collection using attributes
A bunch of differently sized small cubes (referred below as objects 'A') need to be arranged in front of a much larger object (object 'B'). They never touch the object and do not need to line up with ...
1
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58
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Get focus on Blender interface when working on a custom panel (pyside6 and Qt)
I created an Animation Picker panel using pyside6 and Qt, and so far, everything is going pretty well. However, the Picker has a feature which allows the user to click on a button and immediately ...