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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8 views

Best way to paint same Material with different mask?

My question is to have an alternative way if it exists. So my problem is the following: As you can see from this image, I have 2 materials, the first in the top row, uses vertex paint, so white and ...
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How can I change colors of grease pencil strokes drawn in 'vertex color' paint mode?

If I have drawn grease pencil line strokes in 'material' paint mode, I can easily change colors of them by using base color button(marked with a white arrow in above picture). But after I had drawn ...
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10 views

Correct settings for baking texture from vertex paint (low poly game asset)

I'm a newbie in blender 2.8 and made a model for a low poly map. Then colored the map with the vertex paint mode so the coloring fits the polygons of the model. I need to import that model and its ...
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1answer
50 views

How to animate vertex colors using animation nodes

How can animation nodes drive vertex colors on an object? Details I have a time varying dataset the defines the color for each vertex in a model. I'd like to use animation nodes to drive the colors of ...
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1answer
16 views

Blender painting brushes shortcut selection polygons 2.82. Coloring a character with vertex-group in draw mode

How do I select through the shortcuts the polygons that I am going to color or modify? In the video-tutorials I often see using the selection of polygons in the edit mode but I don't know how to use ...
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1answer
21 views

Help make script work on all selected obj instead of just one

Below is the code that is for flipping the vertex on an object. I want it so I can select all objects and run the script it does it to all the objects selected instead of doing them individually. If ...
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24 views

how to programatically color an arbitrarily large number of faces

I've got a bit of a puzzler here I am using blender to import 3d plots that I generate using a 3d graphic utility. What I want is for the blender objects that I create to have a perfect radius, so ...
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14 views

Vertex coloring on textured models to use in Unity? [duplicate]

I am making a Nintendo 64/ PS1 inspired game in Unity. I know that those consoles did not have lighting and instead used vertex colors on textured models to add variations in light and in color to ...
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8 views

The object shows in black color after adding color by vertex paint

I'm following a tutorial on YouTube. I painted my object without any problem with Vertex Paint by selecting the vertices and correct colors has been appeared on my object. Unfortunately, the object's ...
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27 views

How can I use vertex paint with another material?

I made a new model and i followed a tutorial. I made a texture and I want to add some color with vertex paint. I tried it, but it doesn't show up on the render. What should I do? Is this possible at ...
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16 views

Vertex color Animation from houdini to blender 2.8

i am trying to export a alembic from houdini to blender. This mesh has a Cd atribute with an animation. I was able to export a still frame using the ROP alembic node in houdini. I can use the vertex ...
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14 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 ...
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How to copy one object's vertex-color layer to the other same shape object's vertex-color layer2

I draw a color layer in ZBrush and explored to Blender.then,I want to add a Roughness layer with ZbrushPolyPaint,but ZB just Only one vertex-layer is allowed.When i explore the same model with ...
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Can't get 2 Dynamic Paint Canvases to render at once - Blender 2.8

Trying to render both the waves and trail of a boat using 2 dynamic paint canvases, one of the Waves Surface Type, and one of the Paint Surface Type. The two show up together perfectly in the viewport,...
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14 views

Vertex Color unreadable

I’m using an ‘Attribute’ node to pick my vertex color and filter the green spectrum to input to a coloramp. If I take the ‘fac’ socket as output it works fine, but then I lose the filter color ...
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20 views

when adding custom-data layers to bmesh object, where does the data get stored once bpy mesh object is updated?

I am trying to add custom-data layers to mesh vertices so that I may use the values to generate a colorramp on the surface during rendering. Currently, I first map the data to RGBA values and then ...
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1answer
141 views

how to use external values as input for color ramp shader node?

All, I've recently started dabbling in Blender to do some scientific visualization, like ParaView but 1000x prettier :) At the moment I'm trying to tackle adding a color ramp to a 3D surface. As of ...
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2answers
101 views

how to modify / customize a coloramp?

New to blender, coming from engineering discipline and want to learn more about rendering CFD/model results in Blender. Right now I'm struggling with generating a coloramp for a 3d surface. What I've ...
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7 views

vertex coordinates not aligned with vertex_colors

In cannot color a vertex according to it's xy coordinate. Some of the vertex have their colors swapped. In the following code I create a simple plane on the XY plane with coordinates (0,0,0) (1,0,0) (...
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1answer
29 views

Random vertex colors for uv islands

Is it possible to auto assign random vertex colors for every UV island... so it will be more visible in the 3d view? Like in 3d-coat
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14 views

How to add vertices to make baking into vcol more accurate?

I was wondering how I'd be able to create new geometry to make baking shading into VCol more accurate. Something like this is what I'm looking for:
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1answer
47 views

From texture painting to UV map

I'm a newbie and I have a hypothetical question that is interested in me. For example, the man has a 3D-model and texture painting therefore he has a UV map. The man detects a mistake in UV and ...
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1answer
12 views

Hide vertex colors in vertex painting view

Simply put, I struggle with the same problem found on this unanswered question: Hide Vertex Colors while painting Is there a way to disable displaying vertex colors while in vertex color painting ...
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41 views

Are Vertex Color layers limited to 8?

Why is there a limit for vertex-colour layers? Is this a bug or is there a reason, why I cant add more than 8 vertex-color layers? I will make a bug-report if it is a bug - but I'm not sure for now. ...
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51 views

Weight Paint to Vertex Color OR as Shader input

Is there a way to use weight paint to influence vertex color or to use it as a attribute value for a shader?
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24 views

Feather / Blend Vertex Colors into Material During Rendering?

Is it possible to nicely blend vertex painted areas into the material color? The attached picture is my attempt to do so, but as can be seen, the areas around the vertex-painted areas are grey. I ...
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2answers
25 views

How can I use vertex colors as an input in my material? [duplicate]

I want to use vertex colors as a mix factor in my material. However when I chose Add->Input the option Vertex Colors doesn't show up. Why can I not access the vertex colors data? I want to avoid using ...
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26 views

how do I add vertex paint over a base material?

I have a model with a green base material, and I want to add vertex paint, but I don't know how to add the vertex paint in a way that doesn't fill the rest of the model with white.
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49 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 ...
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1answer
87 views

I can only see vertex colors in Vertex Paint mode - otherwise gray

I'm using Blender 2.81 beta. I imported a large glTF model which has only vertex colors. (I can see them in other glTF apps like the web viewers.) After the import completes (it takes a while, 7M ...
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1answer
217 views

Blender 2.81 doesn't seem to be importing vertex color for .ply

So people have had similar problems showing colors on .ply files here and here but I don't think this is the same case. I've exported a .ply file from a program called paraview with color info on it....
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1answer
37 views

Is it possible to stick vertices, and for them not to be affect by proportional editing

I have a tablet/pill shape, and I want to select all the outer vertices or edges, and have them stay where they are, so that when I do a proportional edit, they remain fixed, and so the edges/vertices ...
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22 views

Baking Texture to Vertex Color: what's under the hood?

Blender 2.9 user here. I make intense use of the "bake texture" option in the Render tab, with the option "bake to vertex color" activated. I do this in order to later export a .ply file which ...
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How to StringProperty to bpy.context.object.data.vertex_colors?

I was wondering, if it were possible and how, I was looking at the bees but this is not present in bpy.types so I don't really know how and if you can add a StringProperty, to this ...
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23 views

Get smoke color from flow object Vertex Color

I have an alembic cache of an animated object with animated vertex color and I'm using this as a flow object for a smoke simulation. All that is generating smoke well, but... Does anyone know how I ...
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1answer
204 views

Viewport colors look darker in Vertex Paint mode Blender 2.8

Viewport shading set to solid and color to vertex with flat shading, the colors appear to be darker in vertex paint mode than in object mode.
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35 views

How to paint vertex alpha for use in Unreal/Unity or cycles

How can I paint vertex alpha in Blender 2.8 so it can be used either for Unreal/Unity or even for use in cycles renderings. And how can I see this in a viewport?
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41 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 ...
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60 views

Feature Points on Mesh

I didn't start using Blender yet since I would like to know whether it's is the correct place to do my work on. The case is as follows: I have a mesh (XYZ- coordinates, faces) represented as Graph(...
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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 ...
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22 views

How do I change the vertex color layer limit? (2.79)

I am very new to anything scripting so bare with me. I am trying to create a script that exports out a ply sequence with a different baked vertex color per frame of the sequence. I did some ...
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16 views

Remove from vertex color group data about another group

I have two groups Vertex Colors. One is Face another Cheeks. I want to ...
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1answer
73 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 ...
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1answer
98 views

Change vertex color by selection

Is there a way to set the vertex color by selecting vertex or faces rather than painting? I know there is a way in maya, but I can't seem to find a way to do it in blender.
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110 views

How to correctly separate vertex color data into the R channel on EEVEE?

for some reason if I add (in the shader tree) the ATTRIBUTE>COL from the vertex color property and channel it to a separate RGB (only making the R channel plug into a ramp node and then to the shader ...
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44 views

Texture is not baking correctly in Bake Mode: Vertex Colors

I have done vertex paint for one of my models. After vertex paint, I baked the texture, but it spoiled the model. I followed the procedure in this video for baking. The result is below.
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77 views

how to add vertex colors to multiple objects using animation nodes

What are the steps to assign a list of colors to the vertex color of a list of objects? The 'set vertex color' node does not accept a list of colors and a list of objects. So how to wrap this action ...
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1answer
416 views

Per-Vertex Color

There is already a post about this (reference: https://cvl-demos.cs.nott.ac.uk/vrn/index.php), but it hasn't been resolved and I'm evidently too much of a noob to even comment on it, but I'm having ...
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2k views

Bake a texture to vertex color in Blender 2.8

In Blender 2.8 was removed Blender Render, where was option "Bake Texture to Vertex Color". Unfortunately in Eevee there is no such functionality. I like new Blender 2.8 very much, but I can't use it ...
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31 views

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 ...