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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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 ...
1
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0answers
129 views

Convert (bake ? ) cycles shaders to vertex colors for 3D printing

Is there any solution to "bake" vertexcolors from cycles shaders, such as voronoi, cells, pointiness etc...? I want to make some colorful patterns by mixing shaders on objects via cycles and then ...
3
votes
3answers
615 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
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2answers
1k views

Gradient between two materials on the same mesh

I am trying to colorize a mesh for a 3d illustration, and I have been using Steven's technique so far. The problem is that, as Stephen notes at the end of his answer, the contrast between the two ...
2
votes
1answer
2k views

Is it possible to set the vertex color alpha component?

I work in the game industry and often make shaders that rely on vertex color parameters for certain effects. This is often used to reduce shader complexity and material usage in order to improve ...
2
votes
1answer
484 views

Multiple colors per vertex

I am able to paint model with Vertex Paint. Colours are very similar to Normals. It is possible to have 2 or 3 normals per vertex. (smooth/flat) Is it possible to assign multiple colours per vertex ...
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
426 views

Showing X3D color per face?

I have an X3D from Meshlab which has color per face, It's a polyhedron where per face colors are the best compared to per vertex. Can blender show X3D per face colors? I have found an option of per ...
2
votes
1answer
7k 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
369 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.)
1
vote
1answer
374 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?
2
votes
1answer
512 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: ...
7
votes
1answer
6k 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: <...
2
votes
0answers
20 views

is it possible to declare what info is duplicated during subdivision?

I'm looking to write a script for fun and testing. I want to subdivide a mesh but only the vertex color info. In short, I want blender to create more room for uvless painting with out carrying twice ...
1
vote
1answer
2k views

Materials from Blender to Three.JS: Colors seem to be different

I am just working on a bigger WebGL project, using the three.js framework. I am also using Blender as my 3D Software and the latest version of the three.js blender exporter. While developing I ...
1
vote
0answers
604 views

Remove alpha from vertex color

I have some meshes that I baked the materials in to vertex color and it works fine. But when I export to FBX, all the vertex colors are RGBA while all the alpha values are 1.0. Is there a way to get ...
3
votes
1answer
628 views

How to disable scene shading and view Vertex Colors only?

I'm working with an older model from another program (3DS Max) meant to be rendered in an engine running on older hardware with no dynamic lighting (Faked with shaders and vertex coloring) The model ...
3
votes
1answer
1k views

Set Vertex normals to vertex color in Python

How do i set the vertex color to vertex normal for all vertices of an selected object? My approach here somehow prints only a few vertices and spares out the rest :( How can i fix that and include ...
4
votes
1answer
450 views

Is there a way to not limit vertex painting to visible geometry?

Is there a setting for vertex painting which allows you to paint on geometry that is visually obscured from the view by geometry in front of it? (I am looking for something similar to the limit ...
2
votes
2answers
6k views

How can I get vertex painted .obj files to import into Blender?

I have an .obj of a model that was polypainted (vertex painted) in ZBrush. I would like to import it into Blender and see the vertex painting in the 3D Viewport. Instructions for doing this in Blender ...
2
votes
1answer
3k views

Getting Blender to export .ply files with vertex colors

I'm trying to get Blender to export .ply files with vertex colors and triangular faces. First, I assign my model a material, and change its diffuse color. Then, in edit mode, with my whole model ...
18
votes
2answers
24k 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 ...
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. ...
8
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 ...
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 ...
4
votes
1answer
1k views

Weight paint only working on some vertices? [v2.73]

I am trying to weight paint a mesh for a unity game, and only a few if any of the vertices are being painted. This is something I was able to do a while back in version 2.49, but now it doesn't work. ...
0
votes
1answer
4k 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
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 ...
11
votes
1answer
361 views

How can I get the color in the middle of a face using Python?

Say I have a mesh and I have colored the vertices using vertex paint, how can I then get the average of the colors or rather the color in the middle of the face or the color under the normal (shown ...
5
votes
3answers
960 views

How to hide vertex colors in Texture Paint?

I am currently trying to paint a texture onto a character model. However, I cannot actually see what I am doing because one of the vertex color layers is being overlaid on top of the texture, causing ...
1
vote
1answer
100 views

Environment choice for a color-only objects

My question will definitely sound incredibly noobish, but I started to play with 3D graphics and Blender just a few days ago (after a month-lasting struggle with OpenGL basics) and I've run into ...
1
vote
0answers
386 views

why is my rendered image different from what I see in my 3D view?

I am trying to load a specific mesh with texture into blender using bpy. With a lot of help from this community, I have managed to load both the mesh and texture. Our question 1) When we try to ...
8
votes
2answers
178 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 ...
2
votes
0answers
643 views

How can I get the viewport in rendered shading mode to update in real time during vertex painting in cycles?

I try to use vertex painting in cycles as a factor to mix two different materials, which works perfectly fine. However, while I paint the object in the viewport in rendered shading mode, the viewport ...
1
vote
1answer
569 views

Visualize some edges of a mesh with Blender (or MeshLab)

Here's my problem : I have a triangle mesh in .PLY file. In this .PLY file I have a description for edges : element edge N property int vertex1 property int vertex2 property uchar red property uchar ...
3
votes
2answers
798 views

Inverting Vertex Colors?

I am using black & white vertex colors to drive some of the shading on a character model's surface material (cycles), and found that the colors were the opposite of what I needed. I wound up just ...
1
vote
1answer
563 views

Cycles multiple material and multiple importance sample light

I'm having a problem with multiple materials and multiple importance sample options on the light. I make a vertex color to assign the different material to the vertex. Node setup is in the screenshot....
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 ...
20
votes
1answer
23k 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 ...
1
vote
1answer
988 views

Vertex color bake to texture causes wrong color margin

I import a .ply file from MagicaVoxel to Blender, it looks good right now: I want to export to .fbx but it has no color data. Then I baked vertex color to texture, but the problem is that after the ...
3
votes
0answers
710 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 ...
1
vote
1answer
474 views

Can Vertex Paint Normalize Color Channels?

I'm using vertex colors to control texture splatting on my model. Each color channel controls the blending weight of a texture: ...
3
votes
1answer
308 views

Can I use Vertex paint with volume shaders?

Simple question: Can vertex paint be used with volume shading in Cycles? When you plug the vertex-colors into any volumetric node (emission, scatter absorption) and plug the output of that node into ...
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.
1
vote
1answer
838 views

dirty vertex color with the multiresolution

I am making a candle with sculpting and I want some dirt on it so I am going to use dirty vertex color but I don't want to apply the multires modifier so is their any way to make dirty vertex color ...
1
vote
1answer
166 views

Vertex Paint on faceless model

Is it possible to apply vertex colors to vertices that aren't part of a face? I've tried using vertex paint mode in the Blender application, and also directly modifying a vertex paint object via ...
3
votes
1answer
2k views

How to copy vertex colors?

I duplicated an object with ShiftD several times, then painted some vertex colors on one of the duplicates. Unfortunately, I think I did this sort of backwards as I can't find a way to copy vertex ...
0
votes
1answer
6k views

Best way to add color to your 3D model?

I have created a rigged 3D model, and it starts with nothing but white. I wonder how to color the model. I did try painting it directly in Blender and did not like the results. There were spots I ...
3
votes
1answer
981 views

Vertex paint mode shaded view in cycles

When in vertex paint mode - the object being painted is displayed as shadeless. This makes painting on a complex model difficult - as you cannot really see what you are doing. You can use dirty vertex ...
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 ...