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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PLY import with colour-per-vertex is far too dark

I import my models via two different importers: PLY and COLLADA. Even if I use the same RGB values, after import, the brightness is vastly different between the two. The PLY import has very dark ...
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38 views

How to loop import vertex color to get the second one

I want to get some knowledge for fixing up my issue, which is I cannot import second vertex color. I'm using add-on to do so but it has not this feature. So what I am asking for is to make comments ...
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227 views

How to see vertex alpha transparency?

How can I see vertex alpha as I paint it in Vertex Paint mode in 2.8? I get how to see vertex colors, via the node system, in LookDev, but I can't seem to figure how to see vertex alpha as I go to add ...
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75 views

How to get into second vertex color?

Edit: For all viewers which can have similar problem - if your addon is importing vertex color but you don't see second or another one then you should make sure that this script even has these kind of ...
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2answers
421 views

Having issues with Low Poly Texture Colours

Blender Novice here. I been getting into some basic low poly modelling for unity and have been working on applying a simple solid color texture to one of my trees. The issue is that the colors seem ...
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1answer
6k views

How do I set a vertex color material in Blender 2.8?

I have a model with vertex colors in it. I would like to display it in rendered shading. There is no more an input called vertex color. I'm using Blender -2.80-387c1f2e0d5d-linux-glibc224-x86_64 How ...
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1answer
63 views

Gradient-Coloring Vertices Based on Global Z-Loc Not Working As Expected

I tried to write my own code that changes vertex colors based on the vertex Z-location(global). Which I derived from these links: How can I get vertex positions from a mesh? https://blenderartists....
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253 views

How to import Alembic Vertex Colors from Houdini correctly?

I've exported a simple scene from houdini with a few geometries, and written into the vertex colors, Cd, for each mesh a different gray value like: (.1,.1,.1)(.2,.2,.2) ... etc When I import this ...
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96 views

Vertex colors with skin modifier

I have some curves that I want to render in Cycles; these are not blender curves, instead they are composed of a set of vertices, each having a color, and edges (but no faces). Using the skin ...
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108 views

Replace all white vertices with color of my choice Blender

I need a way to replace all white vertices in the scene with color of my choice via python or tools. The real problems is that I make models with vertex colors and I apply Cell Fracture. ...
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1answer
494 views

How to export a .fbx file with vertex colors for substance painter

I am trying to use vertex colors in order to utilize substance painter's ID mask baking functionality. Is there any way to export vertex colors in the high-poly .fbx file to generate the ID map? I ...
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1answer
93 views

Cycles Gradient between two materials

How do i create gradient between two materials in one mesh? (second screenchot was edited in PS)
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1answer
61 views

Offset based on Vertex Colors

For you a tricky question : do you know a way to apply negative and positive offsets on different surfaces based on its colors in Blender ? For this key, the green represents the surfaces without ...
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1answer
153 views

Cant find attribute node

Complete and utter noob to 3d traditional 3d modeling, let alone blender. I was going to learn how to do lighting, but the imported colours are considered vertex colors, and cannot be rendered without ...
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1answer
134 views

How to mix Vertex Colours with character's Diffuse Texture? (Blender Internal)

I'm currently on my wit's end trying to find an answer to this that works for me, but every question and answer are referring to something different from my situation, and with most being Cycles-only ...
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1answer
753 views

How to paint vertex alpha in the new version for unity?

https://youtu.be/DMS1I-gJkzE According to google, making bottom vertecies opaque and top ones transparent should fix the sliding grass issue. https://www.youtube.com/watch?v=1QbpCZuGe7M I tried ...
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1answer
282 views

Texture becomes black when tryng to bake vertex color to texture!

when I UV smart project my model, then open a new file (thats black) where I want my vertex color to bake to. The texture only becomes black. It doesnt make any sense. Please look at attached file: ...
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339 views

Animation Node (Vertex color) and Cycles Node (Gradient)

I have a problem creating a color gradient in the AN grid (I used vertex color, but only one color remains). This image below shows the effect you would like to have on AN. But I used the array and ...
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1answer
2k views

Blender 2.8 How to make the object color in viewport look excatly as it is?

So I'm making the models for a game that only uses vertex colors and no textures. I've noticed that any color in blender 2.8 viewport looks darker that it actually is. I use vertex painting to paint ...
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933 views

Retrieve vertex colors in 2.8

2.79 allowed you to set shading to flat, which would render the vertex color 1:1 on screen (assuming the entire normal had been solidly colored and noting else is being set to diffuse, of course ...
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1answer
265 views

Animation nodes - Vertex colors to transforms?

I apologize if this looks as spamming, but I think this should be a different question, though I am trying to achieve similar goal. I want to be able to influence matrices with several different ...
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31 views

Reset and Layout UV is really slow

I have this 3D Voxel sculpture, this was made of thousands of Box objects, but merged into a single object and it has a nice Vertex Color per Box. Anyhow, I would like to somewhat layout the UV of ...
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1answer
108 views

How to change color only of selected objects in a matrix?

I'm trying to exempt a couple of objects from being colored by an 'empty' which is coloring the cube matrix based on the distance. In the image there are 2 empties: one is coloring the cubes blue, ...
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1answer
88 views

Store unique vertex ID in vertex color

Script from this answer encodes polygons ID to vertex colors: ...
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1answer
1k views

How to get diffuse color of a material via Python?

Since I am used to code with Python in Maya I have trouble getting things to work in Blender. I want to do something specific based on the name of its material that is applied. But I am really ...
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1answer
1k views

Changing vertex colors through python

I'm trying to get and set the vertex colors of a mesh through a python script. However, the script seems unable to find the vertex color data, claiming the data set has length 0 despite that clearly ...
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1answer
683 views

set a specified vertex color to black via python

how to set the vertex color in the center of the mesh to black and the rest of the vertices to red via python? a lot of the answers just tell me that i can color all the vertices in one face like that:...
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27 views

Editing and displaying different “layers” of vertex colors

I'm given a mesh with vertex colors that display the original material/color of an object. Now I want to classify these vertex colors according to the different materials they can be divided into. ...
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421 views

Transfer vertex colors between objects

I need to vary the vertex colors of a mesh using simulation data (generated using a tool named Paraview). I imported the mesh and vertex colors in an X3D file, but the vertex colors correspond to ...
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1answer
307 views

Coloring bevel curve with vertex color

I'm working on a visualization problem. I'm given a curve with a list of vertices. There is a color assigned to each vertex. My question is "how do I generate the bevel curve by linearly ...
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1answer
6k views

Bake vertex colors to texture from mesh

This has been asked before but I can't find the solution now. The solution was something about going into blender render, setting the bake type to vertex colors and then just baking but I'm just ...
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2answers
746 views

Assign colour to vertices given face texture, and enable conversion to a point cloud

I'm a-bit of a Blender newbie here so please forgive me if what I'm about to say sounds stupid, but I've been trying to solve this issue for far too long now and am becoming way too frustrated...so, ...
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196 views

Attribute node for Vertex color texturing problem

I would like to use vertex color information for texturing. I found some description on the web but there is something what I can't figure out. If I use a color at 0.5 value, the FAC value through ...
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31 views

How to correctly use vertex colors?

I exported the model into Unity and only the blue faces are shown. I think am doing something wrong, because when I select the blue ones they appear alone, but when I select the red ones both are ...
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1answer
691 views

Render Vertex Colours in Blender Internal

I don't like using cycles and prefer using blender internal render. So how can I render my vertex colours in Internal render. like as a material.
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150 views

Colorize Instances according to vertex color or UV map

I have a vertex colored model (1) and I'm using Cells v1.2 to generate a hollow voxel model of my Object.(2) I want to change the object color of every instance/voxel according to the underlying ...
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1answer
161 views

Setting vertex color with ob.data.vertex_colors[“Col”].data[0].color stores values wrong

when I set the color of vertex data with; ob.data.vertex_colors["Col"].data[0].color = [0.7, 0.5, 0.3] and then look at the values, they are different ...
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584 views

No objects or images found to bake to

this is my first time trying to do this thing. So I am trying to bake a Vector painted object onto a texture but I failled. Video showing the failure: https://www.youtube.com/watch?v=tOjKZ9u3OD8 I ...
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1answer
136 views

How to use vertex color if defined, or white otherwise?

I'm fairly new to Blender. I have a Cycles material in Blender 2.79. I'm using an Attribute node with COLOR_0 to get the vertex color and multiplying that into the material color. But if a particular ...
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1answer
182 views

How can I keep vertex color accurate on a voxel model thats been converted to a lower poly model?

I'm importing voxel models into Blender from Qubicle, and then turning them into low poly models. I'm using vertex paint, and want to keep each face one solid color. After finishing my model and ...
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1answer
103 views

Duplication vertex lighting/color

I'm wondering if it is possible to copy vertex lighting from one object to another, similar but different from default one. Here is screen showing what I really want to do ( https://i.imgur.com/...
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2answers
451 views

Encoding Vertex Position into Vertex Colors

I got a model in -1 to 1 space and I want to encode each vertex position into the the vertex color for future use. There seems to be nothing by default to do that so I will have to use a custom script ...
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321 views

How to color line set with vertex colors?

I would like to use vertex colors to paint an extruded line set but do not succeed to do it. In detail, I export a scene in X3D format from paraview. It consist of a panels and lines that are colored ...
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338 views

Does Blender support linear colorspace for vertex colors?

It looks like the vertex colors in Blender are stored using sRGB colorspace. The game engine I'm using (Apple SceneKit) uses linear colorspace. As I export the vertex painted model either using the ...
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2answers
1k views

Bake per vertex color to Texture

So, I was trying to make the colours of a obj created by this Demo make by the talented people of the Computer Vision Laboratory of University of Nottingham and with no success and frustration I wasn'...
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1answer
637 views

Can I use the weigh paint information as color vertex information?

I've came up with a question regarding weight painting and color vertex data. So this is the explanation to my question: I would like to use the gradient I created as weight paint to create a mask ...
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38 views

Bake imported image to vertex colors [duplicate]

I've looked everywhere and can't seem to find an answer to this issue. All I want to do is generate a UV Map, upload an image onto that UV Map, and then export a .ply file with the vertex colors ...
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96 views

Any way to have more than 8 vertex paint slots?

Currently there is a limit of 8 vertex paints slots, is there anyway to have more than 8 slots?
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164 views

Can a cycles material input a texture from outside of the material?

I'm creating a Blender cycles material that combines a mesh's vertex colors with a texture. I use the Attribute node to get the vertex colors, and the Image Texture node to get the texture: I want ...
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1answer
1k views

Flat vertex painting, or face painting?

Vertex painting is far too soft for me: I'm looking to paint something more like this (not exact, but close enough): Instead of smooth interpolation, color interpolation should be done on a per-face ...