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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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Applying vertex color via python

Since I am used to code with Python in Maya I have trouble getting things to work in Blender. I am using Blender 2.79. I want to do something specific based on the name of its material that is ...
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1answer
46 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
13 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
23 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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14 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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0answers
21 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
41 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
88 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
83 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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0answers
22 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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0answers
17 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
69 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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94 views

Vetex Color Overlay on top of Material

I would like to display some mesh/object regions with vertex color to help my users in their design. This needs to happen in the 3DView while modelling, not during rendering. 1) How can I overlay ...
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29 views

Particle emmiter using vertex colors can´t render?

Please check this Particle emmiter video I´ve setup a vertex color paint on the object, to later emmit particles making them inherit the .col attribute from the vertex color map. I instance an ...
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31 views

How to prevent vertex painting from splitting vertices?

Whenever I paint vertex colors, it is only applied on front-facing triangles. That's no problem, but what is, is that it splits the vertices that connect these front and backfacing triangles, like ...
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0answers
71 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
96 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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0answers
105 views

Bake Vertex colors

I am following a tutorial on YouTube (https://www.youtube.com/watch?v=YdJwrcl1nRM) right now. I need to bake the Vertex colors of my mesh but I don't get the same as in the tutorial. It's just a black ...
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196 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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0answers
63 views

Blender and Python: How to create an object, add vertices and paint them

I try to create a new object in blender, add vertices to it and then paint them using Python. I try to do this in this script: ...
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1answer
48 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
50 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
31 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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1answer
76 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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0answers
124 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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1answer
108 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
419 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
153 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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0answers
40 views

transfert texture colors to vertex colors [duplicate]

I have a 3D textured mesh. My aim is to convert it into a colored 3D (colors per vertex) (.ply or .obj) for a project I'm working on. I'm very beginner on Blender and I need to transfert texture to ...
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0answers
10 views

How to use the Vertex color Hue Saturation Levels menu while in edit mode?

I'm looking for ideas on how to get the Hue Saturation Levels menu to work from edit mode (not vertex paint mode) Also it would be nice to have it as a popup under the mouse similar to photoshop's ...
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0answers
26 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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0answers
51 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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0answers
67 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
175 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 ...
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1answer
632 views

How do I bake/add material colors onto my UVmap?

I looked everywhere from tutorials to documents and either they only talk about texturing or they are doing the tutorial in 'blender render' when I need it in 'cycles render'. I have a cube that is ...
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1answer
40 views

The colors of the layers of my first 2D animation are wrong for some reason

I've just created my first 2D animation and I used separate layers and the "voxel heat diffuse" addon that you can find here. With it I've been able to make the 2d animation faster. But,anyway,there ...
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1answer
1k views

How to bake ambient occlusion into vertex colors?

This is frustrating for me. The UV-textures to vertex cols add-on doesn't seem to work despite the specific instructions. Any other tutorials I can find are either very old or very poor. I'd like to ...
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2answers
868 views

Is there a way to compute vertex density?

I've got a mesh and am trying to figure out if there is a way to get a map of its vertex density. Ideally it would be something that I could put into a color ramp node and visualize. The goal is to ...
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2answers
4k views

How to display and use Vertex Color from OBJ model

Recently, I found this funny site, that allows you to generate a 3D model from a 2D image. It works very well and you can download an OBJ file. Vertex are colored and when I import it using Blender, ...
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1answer
57 views

Vertex paint colours keep flickering

A Blender beginner here. So I recently modeled a low poly plane and applied some vertex paint to it, but after I baked the vertex paint to an id colour map the vertex paint started flickering like so ...
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1answer
198 views

Vertex colors loose color data

Vertex color data seems to be distorted when used in material nodes, does anybody has similar issues? Looks like Blender modifies them for Cycles somehow. I am using VC not for coloring but for ...
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1answer
303 views

Vertex colors are wrong value?

I am using a renderlayer with some vertex colors to render some masks. I have an object with a vertex color layer. The entire object is set to RGB values of .25 each (using set vertex colors command.) ...
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2answers
559 views

Bake lights (lamps) to vertex color

Is it possible to somehow bake vertex colors from lamps?
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0answers
117 views

Controlling Node Based Displacement

Hey I'm making a model that uses the experimental microdisplacement to make bumps on my mesh, but I only want the bumps to be in certain parts of the mesh. Is there some way to use vertex groups or ...
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2answers
1k views

Per face vertex coloring

In blender you can color the vertexes. But is there a way to color the faces so the faces have only one color instead of the colors being interpolated based on the colors of the surronding verticies. ...
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3answers
381 views

Smoothing vertex_colors values

I'm coloring a mesh using vertex colors: ...
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0answers
51 views

How many bits per channel we have for storing vertex color data?

As in title. I want to know how precise vertex color data is in Blender.
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0answers
846 views

View vertex color in edit mode instead of material color?

I am using vertex color to create the colorID map for Substance Painter. I canot use materials for this, because I use materials to define Substance Painter's textures sets (there is no other way for ...
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2answers
436 views

Dilate/expand vertex color mask?

I'd like to use vertex colors in order to apply different shaders on a single object, instead of going through the whole process and drawing a 'black and white' texture (for 1000+ objects). ...
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1answer
217 views

Can't export vertex colors in edit mode

I'm trying to write an export script to output vertices and vertex colors in a simple format. The script I've created appears to work fine when run during "Object" or "Vertex Paint" mode, but when I ...