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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 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 ...
Synxis's user avatar
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4 votes
0 answers
1k 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 ...
Super Cat's user avatar
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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?
Ravenman 13's user avatar
4 votes
1 answer
2k 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. ...
Geoffrey Van Gieson's user avatar
3 votes
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Error creating a color_attribute slot and bakes the AO onto this slot for multiple Objects

I need a script, that batch processes the selected objects, creates a color_attribute slot and bakes the AO onto this slot. This works fine with individual objects. However when I try to boundle it ...
Erdorano's user avatar
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3 votes
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Blender ColorRamp strange behavior

I found an unexpected behavior of ColorRamp node and I will demonstrate it on a simple example. There are five cubes and they have vertex colours set. From left, the colours are in RGB: (0.0, 0.0, 0.0)...
Maca's user avatar
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3 votes
0 answers
456 views

Per-Face Vertex Color from Image Texture

Is it possible to convert a UV mapped image texture into per-face vertex color? I found this script that can generate Per-face vertex color from Normals of 2.79, or an add-on Bake vertex color, but it ...
vklidu's user avatar
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3 votes
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How to access hidden value in Uvmap (UVWT)

I got a really specific question for an expert. I learned recently there is no such thing as Vector 2 in a graphic shader. Every Vector is in reality a Vector 4. Like vertex colors are not just Vector ...
01 Studio's user avatar
3 votes
0 answers
888 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 ...
michael's user avatar
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3 votes
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398 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 ...
Tortenrandband's user avatar
2 votes
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107 views

Geometry Nodes: How to make a vertex color gradient on a tree depending on distance to root point?

I'm trying to create a vertex color gradient on a mesh created by converting a branch made with hand drawn curves to a mesh using geometry nodes. I want to color each edge ring on the created mesh ...
Adkopras's user avatar
2 votes
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244 views

Why is the vertex color interpolated differently in different cube faces?

I realise this might be a very simple and stupid question as I am just getting started with Blender. I am trying to procedurally colour vertices to produce pseudo-colour maps. I created this simple ...
Rui Costa's user avatar
2 votes
0 answers
3k views

How to make a gouraud shading material

i would like to make a material that uses gouraud shading instead of phong : That means that the shader is per vertex and not per pixel, i thought i could use the parametric input but it didn't lead ...
alexth 91's user avatar
2 votes
0 answers
246 views

make Blender displays vertex color of unselected faces, WITHOUT Blender's white-mix foggy mask

The below image shows the vertex color of an object. The vertex color of left & right parts are exactly symmatric (R,G,B,Black,White). However, if I select only right faces, the left faces will ...
cppBeginner's user avatar
2 votes
0 answers
213 views

Is there a way in Blender 2.8.1 to use indexed colors in vertex painting

I am looking for a way to do vertex painting in Blender with indexed colors, so that one could have a palette of colors and assign a index of those colors to a vertex. This would enable a way to ...
KJS's user avatar
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2 votes
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601 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 ...
abenhamou's user avatar
2 votes
0 answers
562 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 ...
AllMightySean's user avatar
2 votes
0 answers
200 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.
Bartek Moniewski's user avatar
2 votes
0 answers
21 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 ...
Omar Clifton's user avatar
2 votes
0 answers
735 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 ...
Lamper's user avatar
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1 vote
0 answers
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How can I preserve face corner colors when doing a limited dissolve?

I have imported a model with vertex colors and plugged the Color Attribute to BSDF. Thanks to this thread I am able to merge vertices while preserving vertex colors and face corner colors by ...
Harry McKenzie's user avatar
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1 vote
1 answer
36 views

Convert Color Atribute to Face Delete Color Attribute

When I convert Domain from vertex to Face of my Color Attribute, it delete it... Why ? Thanks !
BLenjamin's user avatar
1 vote
0 answers
37 views

Blender does not import correct color from images

Im trying to make a product design in 3D for a friend but the colors just wont match the original image. Its exported from cymk illustrator. How to fix please
Ho Xin Yan's user avatar
1 vote
0 answers
48 views

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 ...
Hee Lee's user avatar
  • 11
1 vote
0 answers
217 views

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 ...
Phönix 64's user avatar
1 vote
0 answers
23 views

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?
Solido Pergamino's user avatar
1 vote
1 answer
108 views

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 ...
Ігор Спасівський's user avatar
1 vote
0 answers
54 views

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 ...
Dominic Santiago's user avatar
1 vote
0 answers
152 views

How to export .x3d file(frp, paraView) as FBX with colour?

I am trying to export my .x3d model to FBX with the ultimate goal of importing to unity. The model has colours stored as vertex paint, so initially the model is white. When I add a colour attribute to ...
3.14159's user avatar
  • 11
1 vote
0 answers
79 views

How to denoise when baking into vertex color (color attributes)

I've been searching for quite a while for a solution for this but haven't been able to find anything. As part of custom level making for the PC port of jak and daxter, the vertex colors are used as ...
Kuitar's user avatar
  • 11
1 vote
0 answers
52 views

Jagged result of baked vertex color

My model has vertex color. I unwrap using Smart UV Project with default (Angle limit 66 and Correct Aspect selected). In shading node, I linked Vectec Color (Col) > Principle BSDF > Material ...
pihionx's user avatar
  • 11
1 vote
0 answers
37 views

How to colour particles (in particle settings) based on vertex colour of emitter object

In Blender 2.8, cycles renderer. I'm using an imported .ply object (which includes vertex colours) to generate a single particle on each vertex of the object. The idea is to create a point cloud ...
ukmikeb's user avatar
  • 11
1 vote
0 answers
90 views

How to convert a mesh with vertex colors to grease pencil and keep the vertex colors?

I have a Mesh that has Vertex Colors. Is there a way to convert the coloured mesh to grease pencil, and keep the Vertex Colors? Right now, when I convert it, the lines only become black. I am using ...
Vincent's user avatar
  • 11
1 vote
0 answers
75 views

Why is my tension map turning out as bumps?

I am having a problem with an tension map addon. https://blenderartists.org/t/revised-mesh-tension-add-on/1239091 <- that one. and the tutorial (by kext next) I was following is https://www.youtube....
Fooon's user avatar
  • 11
1 vote
0 answers
204 views

How to use two displacement material in one plane?

I was making a terrain, actually making a path on the terrain,so I have to combine two materials together with their own displacement maps. Now I know how to do it for those normal materials, I just ...
Dandan's user avatar
  • 11
1 vote
0 answers
164 views

Remove viewport noise

I'm working with color sensitive data in vertex colors, and the only way I can retrieve these colors in real-time is to capture them off the mesh they're applied to (otherwise, I have to locate the ...
Super Cat's user avatar
  • 237
1 vote
0 answers
114 views

Vertex color display

Blender v2.79 user over here. I've baked my texture to vertex colors and I was wondering: is there a way to view the RGB color of a selected vertex, much like you can see the XYZ coordinates of it in ...
Gustavo Lucena Gómez's user avatar
1 vote
0 answers
58 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 ...
YenTy's user avatar
  • 11
1 vote
0 answers
125 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. ...
Brain Defragment's user avatar
1 vote
0 answers
62 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 ...
Blender Sushi Guy's user avatar
1 vote
0 answers
39 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. ...
Kitty's user avatar
  • 11
1 vote
0 answers
310 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 ...
hiuuz's user avatar
  • 11
1 vote
0 answers
35 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 ...
Fernando's user avatar
1 vote
0 answers
206 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 ...
user3124047's user avatar
1 vote
0 answers
269 views

Colour Bleeding

I have made this circle for an eye. I would like the white to fill the selected faces only, but for some reason it is going way beyond. Any ideas what I could do? Many thanks!
Nat Strangerweather's user avatar
1 vote
0 answers
158 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 ...
oliver's user avatar
  • 11
1 vote
0 answers
744 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 ...
rgngl's user avatar
  • 121
1 vote
0 answers
512 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 ...
Mayur's user avatar
  • 21
1 vote
1 answer
2k views

Select by certain vertex color

Is there a way to select all faces with the same vertex color of the selected face? There is an old addon, but it doesn't work in the new version of Blender: https://gist.github.com/tamask/2590850
Yan Kansky's user avatar
1 vote
1 answer
527 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 ...
Anthony's user avatar
  • 64