Questions tagged [vertex-colors]
Vertex colors are color values that can be stored with each vertex in a mesh. This tag is for anything related to them.
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Vertex color applied on curves with geometry nodes wont display on Solid Flat in Blender 3.5
On Blender 3.4.1, after applying a geometry nodes modifier with a set vertex color to a curve, you can display that curve with flat vertex color on the Solid > Flat > Attribute.
However, from ...
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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 ...
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Apply random greyscale vertex colour to every element of an object using geometry nodes
I'm trying to use geometry nodes to make an ID map I can bake. I'll be baking in external software so ideally this would be vertex colour that can be exported in an FBX file. Applying colour based on ...
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How do you transfer weight paint or vertex colors to another model in blender?
I got a model then rigged it with AccuRig. When I imported the model into blender, the colors were all gone.
So I tried transferring the vertex colors. That didn't work.
Then I tried transferring the ...
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Converting vertex colours to UV coordinates
So I've got a colour attribute that needs to be converted into a UV map. My color attribute just so happens to only be using R and G values, and what I want is for the R value to be converted into the ...
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Microsoft Powertoys renders STL with color data on thumbnail, how can i bring it to blender?
I have my STL files on the folder and powertoys are installed on my PC so i can review STL files.
I noticed that Powertoys are actually rendering color to them, which is odd as i thought STL files don'...
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Above Threshold and Below Threshold in DataTransfer Modifier?
I'm working on DataTransfer Modifier to blend vertex color of 2 colors layer , it worked but i dont understand how Mix Mode : Above Threshold and Below Threshhold worked , i tried to modified Mix ...
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Vertex Colors Option Not Visible
For some reason under data options vertex colors does not show under the UV Maps. I have went into Shader Editor and went to add and searched for vertex colors however nothing pops up.
I've tried ...
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Color Palette Swatches in UI
I'm using vertex paint to blend materials and i'd love to just have a red, green, blue swatches on the ui without having to go into the color picker every time
Is there an option or addon to bring ...
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How to make objects change color depending on color at a point on surface of another object they are closest to?
I wanted to try to create a shader which will take the information from a linked object, and based on the closer colour of the surface of that object, it will apply that same colour to the objects ...
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Export .ply file from .blend file
I'm facing a problem exporting a .ply file with colour information from a .blend file in Blender 3.5. While in the blender my object is displayed with the right texture when I export the file in .ply ...
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Exporting generated point cloud to Unreal with color data
I'm an art student from Paris, used to work with blender and pointclouds, and I have a ploblem that I can't seem to be able to solve.
My workflow is (most of the time) what follows :
Modeling mesh >...
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How to use a Color attribute with a Geometry Proximity node to change vertex color based on depth
The set up here is pretty straight forward. Take a shape, get its volume, generate leaves within that volume and set the vertex color based on how near the surface the leaf is.
My solution was to use ...
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Getting stuck in baking vertex colors from texture
Operating System: Ubuntu 18.04 LTS
Python Version: Python 3.10.11 Anaconda
BPY Version: bpy-3.5.0 (installed by pip)
I was trying to use ...
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Morph between vertex color from instancer
I have some trouble to morph between two vertex color.
I made a morphing between two point cloud without problem, but when I try to morph vertex color, the first one is ok but second one stay black (...
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Export vertex colors in .abc alembic
I am unable to export an alembic with vertex colours.
I have a cube with some vertex colours on it that I would like to export as an alembic but on reimport, in a different file, the colour attribute ...
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Export animated vertex color as .fbx
Is it possible to export animated vertex colours, here created with a geometry nodes graph?
The values animate from 1 to 0 and from 0 to 1, and the Color out is assigned to the colour attribute. The ...
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File format or method of exporting per-vertex roughness values
I am working on a project that necessitates an automated export of blender objects with materials to basically any file format that supports diffuse and roughness maps. However, some objects have ...
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Segment mesh based on vertex colors. Vertex Colors / Geometry Nodes
How would one segment or divide a large complicated mesh based on vertex colors. I have some large mesh files that were generated from a point cloud and the color data does a great job of showing ...
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Script that will assign vertex color based on distance from cursor
my goal is to create an operator script that will add the specified color to the vertex color of the selected object based on distance (and lambert using the normals facing). this will essentially ...
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Transferring vertex colour info to alpha channel
Is it possible to transfer the vertex colours in a mesh from the rbg channels to the alpha channel after they have been desaturated? thanks.
I tried using chatGPT to create a script to do it but ...
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Is there a way to make the same form sculpt mode smoothing in texture paint?
Is there a way to integrate more the one color with smoth in texturing painting?
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Vertex color – setting alpha value on selected vertices
I’ve been given a task by the game programming team to create a shape with vertex color and alpha values on designated vertices.
I managed to crack the vertex color part of the task, unfortunately I ...
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Copy Vertex Color from specific face (one object) to selected faces (another object)
I found only one way to transfer vertex colors from one object to another object: via Ctrl+L transfer Mesh Data, but this transfers all vertex colors and with different topology actually randomly (all ...
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Only paint the paint mask selected faces in vertex paint
I'm using the latest blender stable build: 3.5, in past versions it worked fine to just activate paint mask, and it only painted the selected face. Now, it suddenly stopped working with the latest ...
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What is a good workflow to draw an irradiance distribution of a lamp? A cone with a light-like look is the goal
I would like to draw a distribution of irradiance of a light. The plan that I went about is to generate a heat map independent of Blender. So I have a csv file that has a heat map containing the ...
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How to get vertex colors efficiently?
I need to export vertex colors from Blender to a custom mesh format. To do it, I need to create a dictionary where the vertex index is a key and color is a value, as proof of concept I wrote this but ...
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Not able to export color and textures [duplicate]
I want to export the .blend file into another formats such as .dae or .fbx.
But I could not export the model with color and textures. For example I want to export color model. 2 But I get model ...
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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....
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I click on one object, while in vertex paint, it shows it's colors, but it will not show any other objects colors
I'm new to blender.
I click on one object, while in vertex paint, it shows it's colors, but it will not show any other objects colors.
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Randomize Color of an Object with Multiple Meshes
I'm making a container with multiple meshes inside and I want to randomize the color when I duplicate it. Like the left red one in the picture I want to change its color between blue/red/green but ...
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How to make one color attribute for 2 separate objects?
I have 2 objects that I cannot connect to a common mesh, but at the same time I need to paint them together. Can I do this?
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Why are my Vertex Colors not being rendered in Python API?
I'm rendering a mesh with vertex colors, but cannot get the colors to render.
I'm using blender python 3.4.0
Here's what I tried:
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Getting and using the selected Color Attribute
Fairly new to blender python, though have some experience with python outside of blender, I'm trying to work out why this bit of code is only ever working on the first color attribute and not the ...
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189
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Accessing color_attributes for every vertex in Blender script
How can I access the color_attribute stored for each vertex and store it in an array using Python in Blender 3.4? Using ...
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51
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Assign and show vertex color in edit or object mode for a point cloud
I have displayed a point cloud after writing the following code.
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bpy: Limit vertex colors exported with fbx to one
When I export with gltf, the fbx contains 1 vertex color channel set using "obj.data.color_attributes.render_color_index=col_index"
When I attempt to do the same for fbx, but I have say 3 ...
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How to render mesh in .ply with vertex color?
I'm quite new to blender and I'm trying to render some meshes in .ply format shown below.
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Artifact and pixelation issue with baking vertex colors
I'm trying to bake the red and green channels of a shader material using vertex colors, but the resulting solid mesh shows a lot of artifacts and overall doesn't look correct.
First screenshot shows ...
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BPY control what vertex color channel I include in my gltf export
I would like to export a gltf file using a specific vertex color channel name "Color_Id". Does anyone know how I could make sure this channel is exported while other vertex color channels ...
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201
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Vertex Paint Alpha Channel - Paint Exact Value
I'm currently making use of the full RGBA components of vertex paint, where RGB stands for color and A for blend height inside a shader.
The shader basically uses alpha 0.0 to 1.0 to set different ...
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bleeding edges in vertex painting
I'm having trouble with vertex painting in Blender. I want to keep the color to specific faces with hard edges, but no matter what I try, I still get bleeding over.
Anyone had smilier issues, and ...
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How to sample vertex color in geometry nodes from a mesh onto another?
I've been trying to sample the (vertex) color of the grass from a plane which has been vertex painted, from what I could gather this should be done with attributes in the geometry node editor, I'm a ...
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Can you view vertex colors by channel?
Is there built-in way to view vertex colors by channel within vertex paint mode?
I'm trying to use RGB channels for different world position offsets in Unreal Engine. I was hoping to see a feature ...
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python code to set color attributes per vertex in blender 3.5
I have a python script that sets vertex colors per vertex (reading the data from lists) which worked in blender3.3.
I'd like to use that script in blender 3.5 (simulations branch) but it throws an ...
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Blender(3.3.1) is not identifying the color of my vertices ( ply file)
Sorry for the beginner question, but can't find the answer on previous posts ):
I import my .ply file which has colors in each vertex, but when I try to see the vertex colors, the option does not show ...
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Some Colours does not Transfer to Viewport Shading
I am doing a tutorial in Blender 3.3.1 and I painted my model using the new sculpt mode paint function. I transferred my colors using New material/Surface/Color Attribute. All my colors transferred ...
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How can I import an OBJ with Vertex Colors into Blender 3.2?
I've got an OBJ file with vertex colors, created by a machine learning script (PiFuHD). I want to get the mesh and colors into Blender. As far as I can tell, there's no way to change the output format ...
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Manage the grease pencil thickness with a vertex color
Is there a way to link a vertex color of an object to manage the thickness of a grease pencil freestyle or artline?
I was using this technique with 3DSMax and pencil+.
I would like to reproduce this ...
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How do I save a selection of points in a curve in blender 3.2?
Vertex group is not in the object data tab, vertex color is also not there. All the tutorials point that it should be there.
The points in a curve are vertices, correct? So, I should be able to save ...
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