Questions tagged [custom-attributes]
The custom-attributes tag has no usage guidance.
64
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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
36
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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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15
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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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0
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27
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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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44
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Finding a work around for for the transfer attribute node because the resample surface node is not working
I've been having this issue with finding a work around for the transfer attribute node, because the resample nearest surface node only works with meshes and I used the transfer attribute node for ...
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11
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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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29
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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
answer
91
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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50
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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
answer
90
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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 ...
0
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1
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116
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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
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153
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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
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180
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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
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225
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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
answer
46
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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 ...
2
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1
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356
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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
50
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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
answer
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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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25
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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 ...
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1
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166
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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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0
answers
36
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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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0
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24
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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 ...
0
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1
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287
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Access instances attributes from collection info node
I was trying to access attributes from objects outside of the node graph but I'm having some problems and I don't know if it's meant to work like that or not.
I have two different node systems. The ...
2
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1
answer
620
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Cannot read value from named attribute geometry node
I've been working a product configurator based on a CSV file that assembles something like a rack-system with different sized compartments per rack.
Somehow I figured out the complicated part for the ...
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360
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How to get an object custom property within Geometry Nodes (without the creation of drivers)?
How to access custom object properties within Geometry Nodes without using drivers?
In the Shader Editor this can be easily accomplished by adding an "Attribute" node e.g.:
Note that the ...
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158
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Blender isn't reading color attributes from USD?
I'm recently learning about USD and it seems like a simple process to include color data with a mesh but I'm not seeing anything included in blender after import. I'm using this page https://docs....
2
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188
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Geometry Node Attribute Unusable on Density (Shader Nodes)
I've found something weird. I have an Fac Attribute in my geometry nodes (it's a simple gradient). When I use it in Shader Nodes, it works, but not for the density value on volume absorbtion or volume ...
0
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1
answer
59
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distance to object as single value per instance
I have an array of lights and want a wave to run across it. Each light should only show one value.
Using the distance method below, I end up with a smooth gradient.
Is there any smart way of achieving ...
0
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1
answer
47
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How do you drive a light colour based on a colorRamp inside Geometry Nodes?
Im Trying to automate the process of retroilluminating the face of a robot by copying the color of the emotion displayed(blueish for neutral red for anger atm) on a light thats pointing the face of ...
3
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1
answer
382
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How to create a checkbox in Geometry nodes modifier stack
In the image below, I have two switch nodes. The default appearance for the boolean input of the switch node is a checkbox. But if I pull in an input to control the switch node from the modifier stack,...
2
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0
answers
94
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How to preserve nested collection colors on instances using geometry nodes?
A simple case.
2 cubes in a collection using same material.
This material color is driven by an ObjectInfo node connected to and both cubes have actually different colors set in Object tab>...
2
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0
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369
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How can I access named custom instance attributes generated with Geometry Nodes in Python?
I have a question. How can I access named custom instance attributes generated with Geometry Nodes in Python?
What I did:
I set up named custom instance attribute with Geometry Nodes, named "...
4
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1
answer
2k
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Transferring data between different objects in / using Geometry nodes
Transferring data between different objects in Geometry nodes
I know we can use the Object info node to get the geometry data from another object and use the geometry data but what about a specific ...
3
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3
answers
974
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How to edit Mesh Attributes?
How do I use the "Attributes" that I can create in a mesh object?
I'm able to create an attribute that is associated with a mesh, and I can assign it to a domain (i.e. vertex, Face, etc). ...
0
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2
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106
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Voronoi object for CNC mill
I have been using Blender for some time now but I am unable to solve this problem that I have. I need an object with Voronoi textures similar to the picture attached but I need to be able to change it ...
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106
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Unable to find Attribute option? [closed]
Hi I can't find the Attribute option in blender working on something with Dynamic Paint.
Refer the screenshot
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733
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How do I replace the deprecated "Attribute Mix" node from 2.93 in blender 3.3
How do I replace the deprecated Attribute Mix node from 2.93 in blender 3.3 using a vertex group as a kind of falloff for the scale of distributed instances on points.
I am trying to follow/replicate ...
1
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1
answer
1k
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Data sharing between geometry nodes and shader through attributes not working
When I share data between shader and geometry nodes through attributes (more concretely, I was sharing color of the object), it works perfectly, as seen on picture:
However, when I don't use the ...
1
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1
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561
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Geometry Nodes assign Named Attribute to specific points/curve handles
A have a resampled curve with 3 points (ID 0, 1, 2).
I would like to assign a custom named attribute only to the point with ID 2.
Specifically, I would like to add a Boolean with a True value for ...
1
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0
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54
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How can I catch the XYZ coordinates for a curved road? [duplicate]
I'm making a curved road made with Geometry Nodes but I'm not able to get the mapping right.
I kind of managed to get the X and the Y right, but I'm just not able to also get the Z right.
As you can ...
0
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1
answer
84
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0
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1
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160
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Add custom properties to objects before alembic export
I want to add custom properties on objects and export them with alembic, then read them from another software.
like in maya AbcExport -j .. - attr foo -attr bar ..
5
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1
answer
515
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How can I combine geometry with captured attribute?
Say I have a 2 meshes and I want to capture some attribute for each mesh (Same Attribute Different values).
Then I want to join the 2 meshes and only after joining, I want to reuse the attribute to ...
1
vote
1
answer
194
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Changing colour based on geometry node attribute
I've been following this cell fracturing tutorial: https://www.youtube.com/watch?v=keKDABQfxQU
I'd like to add a colour change based on an attribute in my geometry nodes. I'm trying to use 'Store ...
0
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0
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124
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Does Blender Have Attributes like maya?
Does Blender have anything similar to the extra attributes feature of Maya? my colleagues are using Maya and have the ability to add these attributes to tell a different piece of software what to do. ...
2
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1
answer
591
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How to get Vertex Color data from multiple objects?
Using Geometry Nodes, is it possible to get the Vertex Colors of two separate objects with the same topology, and mix them?
I know mixing of colors can (obviously) be done in the material, but I am ...
1
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1
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386
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How can I use geometry nodes to change the material of each individual instance on a curve based off of its character?
I'm relatively new to coding and I'd self-describe myself as an amateur in Blender. I've been working on a project where I can pull long arrays of characters and assign each individual instance to its ...
0
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1
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73
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GN: Each tri of instancer mesh is randomizing instance colors differently. How to make distribution uniform?
I tried to assign different random colors to instances based on this answer, but for some reason each triangle of my instancer mesh produces different color for the instances.
Each face triangle of ...
2
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1
answer
2k
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transfer color attribute
can I just ask u how may I fix the issue with a color attribute in the geo node?
What I need to get is a new attribute with the name col, which is based on the texture I am using (attribute sample ...
7
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1
answer
2k
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Manually setting custom attributes per edge / vertex / etc
I'm trying to determine if it's possible to define custom attributes associated with vertices or edges of a mesh and then assign values to them manually as part of the mesh creation process, much like ...