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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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 ...
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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. ...
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0answers
248 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 ...
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0answers
96 views

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 ...
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0answers
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 ...
2
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0answers
149 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 ...
2
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0answers
321 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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96 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
298 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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71 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
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 ...
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0answers
659 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 ...
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0answers
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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0answers
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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0answers
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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0answers
111 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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0answers
36 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 ...
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0answers
225 views

How to see vertex alpha transparency?

How can I see vertex alpha as I paint it in Vertex Paint mode in 2.8? I get how to see vertex colors, via the node system, in LookDev, but I can't seem to figure how to see vertex alpha as I go to add ...
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0answers
108 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. ...
1
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1answer
130 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 ...
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0answers
31 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 ...
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0answers
27 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
195 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
31 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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0answers
164 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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0answers
129 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!
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0answers
137 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 ...
1
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0answers
625 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 ...
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0answers
412 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 ...
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2answers
414 views

Having issues with Low Poly Texture Colours

Blender Novice here. I been getting into some basic low poly modelling for unity and have been working on applying a simple solid color texture to one of my trees. The issue is that the colors seem ...
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0answers
6 views

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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0answers
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 ...
0
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1answer
17 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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0answers
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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0answers
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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0answers
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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0answers
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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0answers
6 views

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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0answers
9 views

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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0answers
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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0answers
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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0answers
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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0answers
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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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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0answers
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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0answers
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.
0
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1answer
88 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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0answers
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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0answers
24 views

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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0answers
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 ...