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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21
votes
1answer
24k views

How can vertex paint be rendered?

I have added some vertex paint and would like to see it in the render. It looks simple enough on all the tutorials, except I don't have those options available; Having spent hours researching I am ...
8
votes
1answer
7k views

Import PLY doesn't display vertex colors

I'm trying to import a .PLY mesh in Blender. I've troubles with colors: the mesh appear in a grayscale palette. Other softwares open it correctly (eg. MeshLab). This is the header of the PLY file: <...
5
votes
2answers
9k 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, ...
19
votes
3answers
22k views

How can I set and get the vertex color property?

I can't find a way to display RGB values (or equivalent) without using the python shell. I would like to get and set color values numerically (ie. not painting), I can't find it for weight painting ...
2
votes
2answers
3k 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. ...
7
votes
2answers
687 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). ...
8
votes
2answers
179 views

Linking the color of one mesh to a second mesh

I have a series of tubes that were inputted as VRMLs with varying colors. I have made a path out of them and have the sphere following the tubes. I want to link the color of the sphere to be the same ...
19
votes
2answers
25k views

Is it possible to paint only on selected vertices in vertex paint?

I'm trying to add some fake shading to a model in vertex paint mode, but I'm having trouble because some parts of the mesh hide the vertices I'm trying to paint. Ideally, since I'm painting the same ...
11
votes
3answers
7k views

How to bake to vertex colors in blender cycles?

The long way I do this is: have cycles render selected setup the materials of a mesh create it's UV coordinates create a new image and assign it to the mesh bake change from cycles to ...
2
votes
1answer
3k 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 ...
0
votes
1answer
326 views

Flat shaded mesh - missing separate colours/normals for connected vertices?

I recently got started with python scripting, so I am still very new to this! I am trying to set the vertex color of vertices looking'up' to white, otherwise set it to black. I use a dot product to ...
9
votes
2answers
3k views

File format with per face colors

I am trying to export a mesh from some scientific experiment (in MATLAB) and load it in blender for rendering. I'd like to assign per-face colors (as opposed to per-vertex with interpolation over ...
6
votes
2answers
5k views

Turn weight paint(vertex groups) into vertex paint?

Can I turn weight paint(vertex group data) into vertex paint? I would like to take the weight paint value and convert it into a black and white grey scale vertex paint map.
3
votes
1answer
1k views

Applying per-vertex colors to new Bmesh

I'm having trouble applying vertex colors through Python to a mesh. The mesh is imported from a file which has vertex info, face info (vertex indices), and a list of colors that corresponds to each ...
1
vote
1answer
394 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:...
13
votes
2answers
1k views

How to colour vertices of a beveled curve mesh without converting to mesh?

For scientific visualisation, I'm using a lot of splines which are bevelled with an object (i.e. a hexagon). I control the level of details depending on the context. Without losing the benefits of ...
8
votes
3answers
684 views

Smoothing vertex_colors values

I'm coloring a mesh using vertex colors: ...
7
votes
2answers
7k views

How to view vertex' colors?

I'm a beginner. Is it possible (and if so, how) to select a single vertex and change its color? I tried the "Vertex paint" mode, but couldn't find a way to select a single vertex and view its color. ...
3
votes
2answers
6k views

How do I implement the color I have on vertex paint onto my faces?

I have painted my object with vertex-color on vertex-paint. How can I make the color visible in object-mode or edit-mode. Meaning, how do I implement the vertex-color onto my faces so that I can see ...
2
votes
1answer
8k views

How to color vertices of a cube?

I do some tests of 3D projection, I am using some references mesh like a cube. However, I need to colorize the vertices of a cube. Is it possible to do that?
3
votes
1answer
374 views

How to add a RGB Curve node

How i can add a RGB Curve node, like this example? I want to improve colors of my PLY mesh. (This screenshot is not mine, I've found in this forum.)
2
votes
1answer
4k 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 ...
2
votes
1answer
532 views

How to properly set VERTEX_PAINT mode from a python script?

My goal is to get a rendered image of an PLY mesh from command line. I wrote this script: ...
0
votes
2answers
1k views

Bake lights (lamps) to vertex color

Is it possible to somehow bake vertex colors from lamps?
0
votes
1answer
5k views

How to bake uv map texture to vertex color (selected to active)?

I have two mesh ! One mesh textured and one mesh no textured. How to bake uv map texture to vertex color (selected to active) ?
3
votes
1answer
529 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.) ...
3
votes
3answers
640 views

How to invert vertex colors in Blender?

So there is no built-in functionality to invert vertex color o.O How can I invert vertex color on an active object?
3
votes
1answer
114 views

Can I animate which vertices a certain material is assigned to?

What I want to achieve is to have a low-poly mesh with a certain mesh assigned to a set of vertices, and then be able to animate it to change which vertices are affected. Something like this: To ...
3
votes
0answers
729 views

Colouring hair with vertex paint [closed]

Is it possible to get a vertex paint layer into a cycles hair material, when the hairs are emitted from vertices? Here is a vertex paint layer working for the emitter, but the hair strands don't get ...
2
votes
1answer
416 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 ...
1
vote
1answer
2k views

Texture color with vertex paints

I have a black and white textured 3d model. Is there any way I can vertex paint the model and have the vertex paint serve as a way to "colorize" or change the color of the black and white images to ...
1
vote
1answer
397 views

This PLY is too dark! How to improve it?

Please, how to improve darkness in this PLY: http://156.54.99.175/3d/sodark.zip ? It is too dark! What's the issue?
1
vote
0answers
20 views

No objects or images to bake to error, driving me nuts [duplicate]

I am trying to bake texture for a model, and I get the infamous error "No objects or images to bake to". I have done a lot of googling to try and solve this, and in particular I have read pretty much ...
1
vote
1answer
21k views

Color not showing up and neither is the option

I am using Blender 2.69, (I am unable to upgrade at this time) and I am trying to color my model using the Vertex Paint mode, but it won't show up in the final render. I know that you have to enable ...
0
votes
1answer
64 views

How to color vertices of cube

I am trying to color the vertex points of a octahedron and want to have control over how they blend into each other. I am using a mapping node but am not able to achieve the desired result. The ...
0
votes
1answer
481 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.
0
votes
1answer
62 views

Cycles Gradient between two materials

How do i create gradient between two materials in one mesh? (second screenchot was edited in PS)
0
votes
0answers
379 views

How to convert this vertex paint into a useable material (scripted)?

I have a single, the all-in-one mesh object created and then vertex-painted with a script. I can see the colors in vertex paint mode, but I haven't been able to successfully turn it into a renderable (...